=~=~=~=~=~=~=~=~=~=~=~= PuTTY log 2006.08.01 17:00:22 =~=~=~=~=~=~=~=~=~=~=~= config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#do sh run int s 0./  0 /0.1 Building configuration... Current configuration : 118 bytes ! interface Serial0/0.1 point-to-point ip address 208.28.1.1 255.255.255.248 frame-relay interface-dlci 103 end R1(config)#do sh run int s 0/0.1 2 Building configuration... Current configuration : 119 bytes ! interface Serial0/0.2 point-to-point ip address 180.40.7.66 255.255.255.224 frame-relay interface-dlci 102 end R1(config)#router ospf 1 R1(config-router)#routr R1(config-router)#routr  R1(config-router)#router-id 1.1.1.1 R1(config-router)#net 180.5 40.7.66 0.0.0.0 area 0 R1(config-router)#n *Mar 1 08:22:17.627: OSPF: Interface Serial0/0.2 going Up *Mar 1 08:22:18.132: OSPF: Build router LSA for area 0, router ID 1.1.1.1, seq 0x80000001 R1(config-router)#net 208.28.1.1 0.0.0.0 area 200 R1(config-router)# *Mar 1 08:22:27.715: OSPF: Interface Serial0/0.1 going Up *Mar 1 08:22:28.228: OSPF: Build router LSA for area 200, router ID 1.1.1.1, seq 0x80000001 *Mar 1 08:22:28.228: OSPF: Build router LSA for area 0, router ID 1.1.1.1, seq 0x80000002 R1(config-router)# RACK14AS>2 [Resuming connection 2 to r2 ... ] R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#rotuer      uter os spf 12 R2(config-router)#router ospf 12 router ospf 12nrouter ospf 12orouter ospf 12 router ospf 12 R2(config)#no router ospf 12 no router ospf 12 no router ospf 1 o router ospf 1  R2(config-router)#router R2(config-router)#router-id 2.2.2.2 R2(config-router)#net 208.28.1.3 0.0.0.0 2 area 200 R2(config-router)#net 180.40.7.65 0..0.00.0.0.0.0 area 0 R2(config-router)# RACK14AS>3 [Resuming connection 3 to r3 ... ] R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#rotuer       outer op spf 1 R3(config-router)#rout R3(config-router)#router-id 3.3.3.3 R3(config-router)#net 208.28.1.2 0.0.0.0 area 200 R3(config-router)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface N/A 0 ATTEMPT/DROTHER 00:01:27 208.28.1.1 Serial1/0 R3(config-router)#do    do sh run int s 1/0 Building configuration... Current configuration : 156 bytes ! interface Serial1/0 ip address 208.28.1.2 255.255.255.248 encapsulation frame-relay ip split-horizon frame-relay map ip 208.28.1.1 301 broadcast end R3(config-router)#do sh run int s 1/0 int s 1/0 R3(config-if)#mp frame-relay map ip 208.28.1.1 301 broadcast ^ % Invalid input detected at '^' marker. R3(config-if)#no frame-relay map ip 208.28.1.1 301 broadcast R3(config-if)#no frame-relay map ip 208.28.1.1 301 broadcastmp frame-relay map ip 208.28.1.1 301 broadcastint s 1/0 do sh run int s 1/0ip ospf nei net 208.28.1.2 0.0.0.0 area 200do sh ip ospf nei  Neighbor ID Pri State Dead Time Address Interface N/A 0 ATTEMPT/DROTHER 00:00:40 208.28.1.1 Serial1/0 R3(config-if)#do sh ip ospf inty  Serial1/0 is up, line protocol is up Internet Address 208.28.1.2/29, Area 200 Process ID 1, Router ID 3.3.3.3, Network Type NON_BROADCAST, Cost: 781 Transmit Delay is 1 sec, State WAITING, Priority 1 No designated router on this network No backup designated router on this network Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5 oob-resync timeout 120 Hello due in 00:00:28 Wait time before Designated router selection 00:00:28 Index 1/1, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 2, maximum is 3 Last flood scan time is 0 msec, maximum is 0 msec Neighbor Count is 0, Adjacent neighbor count is 0 Suppress hello for 0 neighbor(s) R3(config-if)#no fram inv R3(config-if)#no fram inverse-arp R3(config-if)#fram map ip 208. *Mar 1 08:26:32.949: %OSPF-5-ADJCHG: Process 1, Nbr 0.0.0.0 on Serial1/0 from ATTEMPT to DOWN, Neighbor Down: Dead timer expired R3(config-if)#fram map ip 208.28,.  1.1   .1.1 301 bro R3(config-if)#fram map ip 208.28.1.1 301 broadcast R3(config-if)#fram map ip 208.28.1.1 301 broadcast 1 broadcast 2 broadcast  302 broadcast 3 302 broadcast  R3(config-if)# RACK14AS>1 [Resuming connection 1 to r1 ... ] R1(config-router)#int s 0/0.1 R1(config-subif)#ip ospf nei t R1(config-subif)#ip ospf network ? broadcast Specify OSPF broadcast multi-access network non-broadcast Specify OSPF NBMA network point-to-multipoint Specify OSPF point-to-multipoint network point-to-point Specify OSPF point-to-point network R1(config-subif)#ip ospf network br R1(config-subif)#ip ospf network broadcast R1(config-subif)# *Mar 1 08:29:11.181: OSPF: Interface Serial0/0.1 going Down *Mar 1 08:29:11.181: OSPF: 1.1.1.1 address 208.28.1.1 on Serial0/0.1 is dead, state DOWN *Mar 1 08:29:11.185: OSPF: Interface Serial0/0.1 going Up R1(config-subif)#ip ospf hell 10  30 R1(config-subif)#do sh ip ospf int s 0/0.1 Serial0/0.1 is up, line protocol is up Internet Address 208.28.1.1/29, Area 200 Process ID 1, Router ID 1.1.1.1, Network Type BROADCAST, Cost: 64 Transmit Delay is 1 sec, State WAITING, Priority 1 No designated router on this network No backup designated router on this network Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5 oob-resync timeout 120 Hello due in 00:00:20 Wait time before Designated router selection 00:00:16 Index 1/2, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 0, maximum is 3 Last flood scan time is 0 msec, maximum is 4 msec Neighbor Count is 0, Adjacent neighbor count is 0 Suppress hello for 0 neighbor(s) R1(config-subif)# *Mar 1 08:29:51.186: OSPF: end of Wait on interface Serial0/0.1 *Mar 1 08:29:51.186: OSPF: DR/BDR election on Serial0/0.1 *Mar 1 08:29:51.186: OSPF: Elect BDR 1.1.1.1 *Mar 1 08:29:51.186: OSPF: Elect DR 1.1.1.1 *Mar 1 08:29:51.186: OSPF: Elect BDR 0.0.0.0 *Mar 1 08:29:51.186: OSPF: Elect DR 1.1.1.1 *Mar 1 08:29:51.186: DR: 1.1.1.1 (Id) BDR: none *Mar 1 08:29:51.687: OSPF: No full nbrs to build Net Lsa for interface Serial0/0.1 R1(config-subif)# *Mar 1 08:29:55.510: OSPF: Rcv DBD from 3.3.3.3 on Serial0/0.1 seq 0x1F48 opt 0x52 flag 0x7 len 32 mtu 1500 state INIT *Mar 1 08:29:55.510: OSPF: 2 Way Communication to 3.3.3.3 on Serial0/0.1, state 2WAY *Mar 1 08:29:55.514: OSPF: Neighbor change Event on interface Serial0/0.1 *Mar 1 08:29:55.514: OSPF: DR/BDR election on Serial0/0.1 *Mar 1 08:29:55.514: OSPF: Elect BDR 0.0.0.0 *Mar 1 08:29:55.514: OSPF: Elect DR 3.3.3.3 *Mar 1 08:29:55.514: OSPF: Elect BDR 1.1.1.1 *Mar 1 08:29:55.514: OSPF: Elect DR 3.3.3.3 *Mar 1 08:29:55.514: DR: 3.3.3.3 (Id) BDR: 1.1.1.1 (Id) R1(config-subif)# *Mar 1 08:29:55.514: OSPF: Send DBD to 3.3.3.3 on Serial0/0.1 seq 0xB59 opt 0x52 flag 0x7 len 32 *Mar 1 08:29:55.518: OSPF: Set Serial0/0.1 flush timer *Mar 1 08:29:55.518: OSPF: Remember old DR 1.1.1.1 (id) *Mar 1 08:29:55.518: OSPF: NBR Negotiation Done. We are the SLAVE *Mar 1 08:29:55.518: OSPF: Send DBD to 3.3.3.3 on Serial0/0.1 seq 0x1F48 opt 0x52 flag 0x2 len 72 *Mar 1 08:29:55.582: OSPF: Rcv DBD from 3.3.3.3 on Serial0/0.1 seq 0x1F49 opt 0x52 flag 0x3 len 52 mtu 1500 state EXCHANGE *Mar 1 08:29:55.582: OSPF: Send DBD to 3.3.3.3 on Serial0/0.1 seq 0x1F49 opt 0x52 flag 0x0 len 32 *Mar 1 08:29:55.586: OSPF: Database request to 3.3.3.3 *Mar 1 08:29:55.586: OSPF: sent LS REQ packet to 208.28.1.2, length 12 *Mar 1 08:29:55.626: OSPF: Rcv DBD from 3.3.3.3 on Serial0/0.1 seq 0x1F4A opt 0x52 flag 0x1 len 32 mtu 1500 state EXCHANGE *Mar 1 08:29:55.626: OSPF: Exchange Done with 3.3.3.3 on Serial0/0.1 *Mar 1 08:29:55.626: OSPF: Send DBD to 3.3.3.3 on Serial0/0. R1(config-subi1 seq 0x1F4A opt 0x52 flag 0x0 len 32 *Mar 1 08:29:55.638: OSPF: Synchronized with 3.3.3.3 on Serial0/0.1, state FULL *Mar 1 08:29:55.642: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on Serial0/0.1 from LOADING to FULL, Loading Done *Mar 1 08:29:56.018: OSPF: Reset old DR on Serial0/0.1 *Mar 1 08:29:56.018: OSPF: Build router LSA for area 200, router ID 1.1.1.1, seq 0x80000002f)# R1(config-subif)# *Mar 1 08:30:45.295: OSPF: Neighbor change Event on interface Serial0/0.1 *Mar 1 08:30:45.299: OSPF: DR/BDR election on Serial0/0.1 *Mar 1 08:30:45.299: OSPF: Elect BDR 1.1.1.1 *Mar 1 08:30:45.299: OSPF: Elect DR 3.3.3.3 *Mar 1 08:30:45.299: DR: 3.3.3.3 (Id) BDR: 1.1.1.1 (Id) R1(config-subif)#do u all All possible debugging has been turned off R1(config-subif)#^Z R1# RACK14AS>2 [Resuming connection 2 to r2 ... ] R2(config-router)#int s 1/0.1 R2(config-subif)#ip ospf net bro R2(config-subif)#ip ospf net bro       hell 30 R2(config-subif)# RACK14AS> [Resuming connection 2 to r2 ... ] R2(config-subif)#do sh ip ospf nei R2(config-subif)#do sh ip ospf nei R2(config-subif)#do sh ip ospf nei R2(config-subif)#do sh ip ospf nei R2(config-subif)#do sh ip ospf nei R2(config-subif)#do sh ip ospf nei R2(config-subif)#do sh ip ospf nei R2(config-subif)#do sh ip ospf nei R2(config-subif)#do sh ip ospf nei R2(config-subif)#do sh ip ospf neiip ospf hell 30 net bro R2(config-subif)#ip ospf net bro R2(config-subif)#ip ospf net brodo sh ip ospf nei R2(config-subif)#so ah       do sh ip ospf int s 1/0;.  .1 Serial1/0.1 is up, line protocol is up Internet Address 208.28.1.3/29, Area 200 Process ID 1, Router ID 2.2.2.2, Network Type BROADCAST, Cost: 781 Transmit Delay is 1 sec, State BDR, Priority 1 Designated Router (ID) 3.3.3.3, Interface address 208.28.1.2 Backup Designated router (ID) 2.2.2.2, Interface address 208.28.1.3 Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5 oob-resync timeout 120 Hello due in 00:00:23 Index 1/1, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 1 Last flood scan time is 0 msec, maximum is 0 msec Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 3.3.3.3 (Designated Router) Suppress hello for 0 neighbor(s) R2(config-subif)# *Mar 1 08:30:34.533: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on Serial1/0.1 from LOADING to FULL, Loading Done R2(config-subif)#do sh ip ospf int s 1/0.1nei  Neighbor ID Pri State Dead Time Address Interface 3.3.3.3 1 FULL/DR 00:01:55 208.28.1.2 Serial1/0.1 R2(config-subif)#do sh ip ospf neiint s 1/0.1 2 Serial1/0.2 is up, line protocol is up Internet Address 180.40.7.65/27, Area 0 Process ID 1, Router ID 2.2.2.2, Network Type NON_BROADCAST, Cost: 781 Transmit Delay is 1 sec, State DR, Priority 1 Designated Router (ID) 2.2.2.2, Interface address 180.40.7.65 No backup designated router on this network Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5 oob-resync timeout 120 Hello due in 00:00:20 Index 1/2, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 0, maximum is 0 Last flood scan time is 0 msec, maximum is 0 msec Neighbor Count is 0, Adjacent neighbor count is 0 Suppress hello for 0 neighbor(s) R2(config-subif)#i int s 1/0.2 R2(config-subif)#i ospf     p ospf hell 10 R2(config-subif)#ip ospf hell 10nt s 1/0.2 do sh ip ospf int s 1/0.2int s 1/0.2 do sh ip ospf int s 1/0.2 Serial1/0.2 is up, line protocol is up Internet Address 180.40.7.65/27, Area 0 Process ID 1, Router ID 2.2.2.2, Network Type NON_BROADCAST, Cost: 781 Transmit Delay is 1 sec, State DR, Priority 1 Designated Router (ID) 2.2.2.2, Interface address 180.40.7.65 Backup Designated router (ID) 1.1.1.1, Interface address 180.40.7.66 Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 oob-resync timeout 40 Hello due in 00:00:07 Index 1/2, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 1 Last flood scan time is 0 msec, maximum is 0 msec Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 1.1.1.1 (Backup Designated Router) Suppress hello for 0 neighbor(s) R2(config-subif)# *Mar 1 08:31:19.679: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Serial1/0.2 from LOADING to FULL, Loading Done R2(config-subif)#q ^ % Invalid input detected at '^' marker. R2(config-subif)#qdo sh ip ospf int s 1/0.2ip ospf hell 10 nt s 1/0.2 do sh ip ospf int s 1/0.2nei  Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 1 FULL/BDR 00:00:39 180.40.7.66 Serial1/0.2 3.3.3.3 1 FULL/DR 00:01:59 208.28.1.2 Serial1/0.1 R2(config-subif)#do sh ip ospf data OSPF Router with ID (2.2.2.2) (Process ID 1) Router Link States (Area 0) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 35 0x80000003 0x005A0C 2 2.2.2.2 2.2.2.2 35 0x80000002 0x00F0D6 1 Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 180.40.7.65 2.2.2.2 35 0x80000001 0x0036E9 Summary Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 208.28.1.0 1.1.1.1 184 0x80000003 0x00C847 208.28.1.0 2.2.2.2 65 0x80000003 0x00C576 Router Link States (Area 200) Link ID ADV Router Age Seq# Checksum Link count --More--  1.1.1.1 1.1.1.1 195 0x80000002 0x002CDE 1 2.2.2.2 2.2.2.2 82 0x80000003 0x00939C 1 3.3.3.3 3.3.3.3 196 0x80000002 0x0038F2 1 Net Link States (Area 200) Link ID ADV Router Age Seq# Checksum 208.28.1.2 3.3.3.3 82 0x80000002 0x0033F4 Summary Net Link States (Area 200) Link ID ADV Router Age Seq# Checksum 180.40.7.64 1.1.1.1 645 0x80000001 0x00549F 180.40.7.64 2.2.2.2 27 0x80000003 0x004DD0 R2(config-subif)#do sh ip ospf datanei q do sh ip ospf neiq do sh ip ospf int s 1/0.2ip ospf hell 10 do sh ip ospf int s 1/0.2q do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 1 FULL/BDR 00:00:30 180.40.7.66 Serial1/0.2 3.3.3.3 1 FULL/DR 00:01:57 208.28.1.2 Serial1/0.1 R2(config-subif)# RACK14AS>1 [Resuming connection 1 to r1 ... ] *M R1#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 2.2.2.2 0 FULL/ - 00:00:31 180.40.7.65 Serial0/0.2 3.3.3.3 1 FULL/DR 00:01:51 208.28.1.2 Serial0/0.1 R1# RACK14AS>2 [Resuming connection 2 to r2 ... ] R2(config-subif)#ip ospf nei t po R2(config-subif)#ip ospf net point-to- % Ambiguous command: "ip ospf net point-to-" R2(config-subif)#ip ospf net point-to-p R2(config-subif)#^Z R2# *Mar 1 08:34:33.052: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Serial1/0.2 from FULL to DOWN, Neighbor Down: Interface down or detached R2#sh *Mar 1 08:34:34.683: %SYS-5-CONFIG_I: Configured from console by console R2#sh run int s 1/0.2 Building configuration... Current configuration : 144 bytes ! interface Serial1/0.2 multipoint ip address 180.40.7.65 255.255.255.224 ip ospf network point-to-point frame-relay interface-dlci 201 end R2# *Mar 1 08:34:43.281: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Serial1/0.2 from LOADING to FULL, Loading Done R2#sh run int s 1/0.2config t en config tsh run int s 1/0.2 sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 FULL/ - 00:00:38 180.40.7.66 Serial1/0.2 3.3.3.3 1 FULL/DR 00:01:55 208.28.1.2 Serial1/0.1 R2# RACK14AS>3 [Resuming connection 3 to r3 ... ] *Ma R3(config-if)#do sh ip ospf neiu  Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 1 FULL/DROTHER 00:01:44 208.28.1.1 Serial1/0 2.2.2.2 1 FULL/BDR 00:01:33 208.28.1.3 Serial1/0 R3(config-if)#^Z R3# *Mar 1 08:35:59.726: %SYS-5-CONFIG_I: Configured from console by console R3#sj io[       h ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets C 17.80.1.0 is directly connected, FastEthernet0/0 208.28.1.0/29 is subnetted, 1 subnets C 208.28.1.0 is directly connected, Serial1/0 180.40.0.0/27 is subnetted, 2 subnets C 180.40.7.0 is directly connected, Serial1/2 O IA 180.40.7.64 [110/845] via 208.28.1.1, 00:01:19, Serial1/0 R3# R3# R3# R3# RACK14AS>1 [Resuming connection 1 to r1 ... ] * R1#sh run | b rotuer R1#sh run | b rotuer    uter router ospf 1 router-id 1.1.1.1 log-adjacency-changes network 180.40.7.66 0.0.0.0 area 0 network 208.28.1.1 0.0.0.0 area 200 ! no ip http server ip classless ! ! ! ! ! ! ! ! line con 0 exec-timeout 0 0 logging synchronous line aux 0 line vty 0 4 ! ! --More--   R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#int s 1 0/0.1 R1(config-subif)#ip ospf pri R1(config-subif)#ip ospf priority 0 R1(config-subif)#^Z R1# RACK14AS>2 [Resuming connection 2 to r2 ... ] R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#int s 1/0.1 R2(config-subif)#ip ospf priority 0 R2(config-subif)#^Z R2# *Mar 1 08:38:00.945: %SYS-5-CONFIG_I: Configured from console by console R2# RACK14AS>3 [Resuming connection 3 to r3 ... ] R3#sh ip routeconfig t en config tsh ip route sh ip osp  f nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 FULL/DROTHER 00:01:56 208.28.1.1 Serial1/0 2.2.2.2 1 FULL/BDR 00:01:45 208.28.1.3 Serial1/0 R3# R3# R3# R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 FULL/DROTHER 00:01:52 208.28.1.1 Serial1/0 2.2.2.2 1 FULL/BDR 00:01:41 208.28.1.3 Serial1/0 R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 FULL/DROTHER 00:01:45 208.28.1.1 Serial1/0 2.2.2.2 1 FULL/BDR 00:01:34 208.28.1.3 Serial1/0 R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 FULL/DROTHER 00:01:44 208.28.1.1 Serial1/0 2.2.2.2 1 FULL/BDR 00:01:33 208.28.1.3 Serial1/0 R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 FULL/DROTHER 00:01:43 208.28.1.1 Serial1/0 2.2.2.2 1 FULL/BDR 00:01:32 208.28.1.3 Serial1/0 R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 FULL/DROTHER 00:01:42 208.28.1.1 Serial1/0 2.2.2.2 1 FULL/BDR 00:01:31 208.28.1.3 Serial1/0 R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 FULL/DROTHER 00:01:42 208.28.1.1 Serial1/0 2.2.2.2 1 FULL/BDR 00:01:30 208.28.1.3 Serial1/0 R3# RACK14AS>2 [Resuming connection 2 to r2 ... ] R2#sh ip sof     ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 FULL/ - 00:00:37 180.40.7.66 Serial1/0.2 3.3.3.3 1 FULL/DR 00:01:54 208.28.1.2 Serial1/0.1 R2#sh ip ospf nei sh ip io  ospf int Serial1/0.2 is up, line protocol is up Internet Address 180.40.7.65/27, Area 0 Process ID 1, Router ID 2.2.2.2, Network Type POINT_TO_POINT, Cost: 781 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 oob-resync timeout 40 Hello due in 00:00:02 Index 1/2, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 1 Last flood scan time is 0 msec, maximum is 0 msec Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 1.1.1.1 Suppress hello for 0 neighbor(s) Serial1/0.1 is up, line protocol is up Internet Address 208.28.1.3/29, Area 200 Process ID 1, Router ID 2.2.2.2, Network Type BROADCAST, Cost: 781 Transmit Delay is 1 sec, State DROTHER, Priority 0 Designated Router (ID) 3.3.3.3, Interface address 208.28.1.2 No backup designated router on this network Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5 oob-resync timeout 120 Hello due in 00:00:16 --More--   R2# RACK14AS>3 [Resuming connection 3 to r3 ... ] R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 FULL/DROTHER 00:01:49 208.28.1.1 Serial1/0 2.2.2.2 0 FULL/DROTHER 00:01:38 208.28.1.3 Serial1/0 R3# R3# R3# R3# RACK14AS>1 [Resuming connection 1 to r1 ... ] *Maconfig t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#^Z R1#sh r *Mar 1 08:40:15.406: %SYS-5-CONFIG_I: Configured from console by console R1#sh run | b 0/0.1 interface Serial0/0.1 point-to-point ip address 208.28.1.1 255.255.255.248 ip ospf network broadcast ip ospf hello-interval 30 ip ospf priority 0 frame-relay interface-dlci 103 ! interface Serial0/0.2 point-to-point ip address 180.40.7.66 255.255.255.224 frame-relay interface-dlci 102 ! interface Ethernet0/1 no ip address shutdown half-duplex ! interface Serial0/1 no ip address shutdown ! router ospf 1 router-id 1.1.1.1 log-adjacency-changes --More--   R1# RACK14AS>2 [Resuming connection 2 to r2 ... ] R2#sh run \ b       | b 1/0.1 interface Serial1/0.1 multipoint ip address 208.28.1.3 255.255.255.248 ip ospf network broadcast ip ospf hello-interval 30 ip ospf priority 0 frame-relay interface-dlci 203 ! interface Serial1/0.2 multipoint ip address 180.40.7.65 255.255.255.224 ip ospf network point-to-point frame-relay interface-dlci 201 ! interface Serial1/1 no ip address shutdown ! interface Serial1/2 ip address 180.40.7.2 255.255.255.224 clock rate 64000 ! interface Serial1/3 no ip address shutdown --More--  ! interface Serial1/4 no ip address shutdown ! interface Serial1/5 no ip address shutdown ! interface Serial1/6 no ip address shutdown ! interface Serial1/7 no ip address shutdown ! router ospf 1 router-id 2.2.2.2 log-adjacency-changes network 180.40.7.65 0.0.0.0 area 0 network 208.28.1.3 0.0.0.0 area 200 ! --More--   R2# RACK14AS>3 [Resuming connection 3 to r3 ... ] R3#sh run | b 1/0 interface Serial1/0 ip address 208.28.1.2 255.255.255.248 encapsulation frame-relay ip split-horizon frame-relay map ip 208.28.1.1 301 broadcast frame-relay map ip 208.28.1.3 302 broadcast no frame-relay inverse-arp ! interface Serial1/1 no ip address shutdown ! interface Serial1/2 ip address 180.40.7.3 255.255.255.224 ! interface Serial1/3 no ip address shutdown ! interface Serial1/4 no ip address shutdown ! --More--  interface Serial1/5 no ip address shutdown ! interface Serial1/6 no ip address shutdown ! interface Serial1/7 no ip address shutdown ! router ospf 1 router-id 3.3.3.3 log-adjacency-changes network 208.28.1.2 0.0.0.0 area 200 neighbor 208.28.1.1 ! ip classless ! no ip http server no ip http secure-server ! --More--   R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#int    nt lo 0 R3(config-if)#ip add 33.33.33.33 255.255.255.0 R3(config-if)#rotuer       outer ospf ` 1 R3(config-router)#red R3(config-router)#redistribute con R3(config-router)#redistribute connected su R3(config-router)#redistribute connected subnets tag R3(config-router)#redistribute connected subnets tag 3 R3(config-router)#end R3# *Mar 1 08:42:27.350: %SYS-5-CONFIG_I: Configured from console by console R3# RACK14AS>1 [Resuming connection 1 to r1 ... ] R1#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets O E2 17.80.1.0 [110/20] via 208.28.1.2, 00:00:36, Serial0/0.1 33.0.0.0/24 is subnetted, 1 subnets O E2 33.33.33.0 [110/20] via 208.28.1.2, 00:00:36, Serial0/0.1 208.28.1.0/24 is variably subnetted, 2 subnets, 2 masks C 208.28.1.64/28 is directly connected, Ethernet0/0 C 208.28.1.0/29 is directly connected, Serial0/0.1 180.40.0.0/27 is subnetted, 2 subnets O E2 180.40.7.0 [110/20] via 208.28.1.2, 00:00:36, Serial0/0.1 C 180.40.7.64 is directly connected, Serial0/0.2 R1#sh ip route 33.33.33.33 Routing entry for 33.33.33.0/24 Known via "ospf 1", distance 110, metric 20 Tag 3, type extern 2, forward metric 64 Last update from 208.28.1.2 on Serial0/0.1, 00:00:43 ago Routing Descriptor Blocks: * 208.28.1.2, from 3.3.3.3, 00:00:43 ago, via Serial0/0.1 Route metric is 20, traffic share count is 1 R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#int lo 0 R1(config-if)#ip add 11.11.11.11 w 255.255.255.0 R1(config-if)#rotuer osp        uter ospf 1 R1(config-router)#redis R1(config-router)#redistribute con R1(config-router)#redistribute connected su R1(config-router)#redistribute connected subnets tag 1 R1(config-router)#^Z R1# RACK14AS>2 [Resuming connection 2 to r2 ... ] R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#int lo 0 R2(config-if)#ip add 22.22.22.22 255.255.255.25  0 R2(config-if)#roituer       uter ospf 1 R2(config-router)#red con su ta 2 R2(config-router)#^Z R2# *Mar 1 08:44:12.606: %SYS-5-CONFIG_I: Configured from console by console R2# RACK14AS>3 [Resuming connection 3 to r3 ... ] R3#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets C 17.80.1.0 is directly connected, FastEthernet0/0 33.0.0.0/24 is subnetted, 1 subnets C 33.33.33.0 is directly connected, Loopback0 22.0.0.0/24 is subnetted, 1 subnets O E2 22.22.22.0 [110/20] via 208.28.1.3, 00:00:02, Serial1/0 11.0.0.0/24 is subnetted, 1 subnets O E2 11.11.11.0 [110/20] via 208.28.1.1, 00:00:02, Serial1/0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O E2 208.28.1.128/27 [110/20] via 208.28.1.3, 00:00:03, Serial1/0 O E2 208.28.1.64/28 [110/20] via 208.28.1.1, 00:00:03, Serial1/0 C 208.28.1.0/29 is directly connected, Serial1/0 180.40.0.0/27 is subnetted, 2 subnets --More--  C 180.40.7.0 is directly connected, Serial1/2 O IA 180.40.7.64 [110/845] via 208.28.1.1, 00:00:04, Serial1/0 R3# RACK14AS>1 [Resuming connection 1 to r1 ... ] *Ma R1#sh run | b Lo interface Loopback0 ip address 11.11.11.11 255.255.255.0 ! interface Ethernet0/0 ip address 208.28.1.66 255.255.255.240 half-duplex ! interface Serial0/0 no ip address encapsulation frame-relay no fair-queue ! interface Serial0/0.1 point-to-point ip address 208.28.1.1 255.255.255.248 ip ospf network broadcast ip ospf hello-interval 30 ip ospf priority 0 frame-relay interface-dlci 103 ! interface Serial0/0.2 point-to-point ip address 180.40.7.66 255.255.255.224 frame-relay interface-dlci 102 ! --More--  interface Ethernet0/1 no ip address shutdown half-duplex ! interface Serial0/1 no ip address shutdown ! router ospf 1 router-id 1.1.1.1 log-adjacency-changes redistribute connected subnets tag 1 network 180.40.7.66 0.0.0.0 area 0 network 208.28.1.1 0.0.0.0 area 200 ! no ip http server ip classless ! ! ! ! ! --More--   R1# RACK14AS>2 [Resuming connection 2 to r2 ... ] R2#sh run | b Lo interface Loopback0 ip address 22.22.22.22 255.255.255.0 ! interface FastEthernet0/0 no ip address shutdown duplex auto speed auto ! interface BRI0/0 no ip address shutdown ! interface FastEthernet0/1 ip address 208.28.1.129 255.255.255.224 duplex auto speed auto ! interface Serial1/0 no ip address encapsulation frame-relay no fair-queue ! --More--  interface Serial1/0.1 multipoint ip address 208.28.1.3 255.255.255.248 ip ospf network broadcast ip ospf hello-interval 30 ip ospf priority 0 frame-relay interface-dlci 203 ! interface Serial1/0.2 multipoint ip address 180.40.7.65 255.255.255.224 ip ospf network point-to-point frame-relay interface-dlci 201 ! interface Serial1/1 no ip address shutdown ! interface Serial1/2 ip address 180.40.7.2 255.255.255.224 clock rate 64000 ! interface Serial1/3 no ip address shutdown --More--  ! interface Serial1/4 no ip address shutdown ! interface Serial1/5 no ip address shutdown ! interface Serial1/6 no ip address shutdown ! interface Serial1/7 no ip address shutdown ! router ospf 1 router-id 2.2.2.2 log-adjacency-changes redistribute connected subnets tag 2 network 180.40.7.65 0.0.0.0 area 0 network 208.28.1.3 0.0.0.0 area 200 --More--  ! ip classless ! no ip http server no ip http secure-server ! ! ! ! ! ! ! ! ! ! line con 0 exec-timeout 0 0 logging synchronous line aux 0 line vty 0 4 ! ! end --More--   R2#^x3 % Unknown command or computer name, or unable to find computer address R2# R2# RACK14AS>3 [Resuming connection 3 to r3 ... ] R3#sh run | b Lo interface Loopback0 ip address 33.33.33.33 255.255.255.0 ! interface FastEthernet0/0 ip address 17.80.1.1 255.255.255.0 duplex auto speed auto ! interface BRI0/0 no ip address shutdown ! interface FastEthernet0/1 no ip address shutdown duplex auto speed auto ! interface Serial1/0 ip address 208.28.1.2 255.255.255.248 encapsulation frame-relay ip split-horizon frame-relay map ip 208.28.1.1 301 broadcast --More--   frame-relay map ip 208.28.1.3 302 broadcast no frame-relay inverse-arp ! interface Serial1/1 no ip address shutdown ! interface Serial1/2 ip address 180.40.7.3 255.255.255.224 ! interface Serial1/3 no ip address shutdown ! interface Serial1/4 no ip address shutdown ! interface Serial1/5 no ip address shutdown ! interface Serial1/6 --More--   no ip address shutdown ! interface Serial1/7 no ip address shutdown ! router ospf 1 router-id 3.3.3.3 log-adjacency-changes redistribute connected subnets tag 3 network 208.28.1.2 0.0.0.0 area 200 neighbor 208.28.1.1 ! ip classless ! no ip http server no ip http secure-server ! ! ! ! ! --More--   R3# RACK14AS>6 [Resuming connection 6 to r6 ... ] S6#config t Enter configuration commands, one per line. End with CNTL/Z. S6(config)#router rip S6(config-router)#ver 2 S6(config-router)#no auto S6(config-router)#net 200.1.1.90  0 S6(config-router)#net 200.1.1.0.0 2.0 S6(config-router)#net 200.1.2.0.0 3.0 S6(config-router)#net 200.1.3.0        17.57.100.0 S6(config-router)#end S6# RACK14AS>5 [Resuming connection 5 to r5 ... ] S5#config t Enter configuration commands, one per line. End with CNTL/Z. S5(config)#rotuer      uter rip S5(config-router)#v ver 2 S5(config-router)#no auto S5(config-router)#net 217.57.100.0 S5(config-router)#router ospf 1 S5(config-router)#rout S5(config-router)#router-id 5.5.5.5.  S5(config-router)#net 208.28.1.65 0.0.0.0 area 51 S5(config-router)#net 208.28.1.65 0.0.0.0 area 51 0.0.0.0 area 51  0.0.0.0 area 51 1 0.0.0.0 area 513 0.0.0.0 area 510 0.0.0.0 area 51 S5(config-router)#rotuer       e r ed rip sub S5(config-router)#rotuer      uter rip S5(config-router)#red ospf 1 met S5(config-router)#red ospf 1 metric 3 S5(config-router)#def S5(config-router)#default- S5(config-router)#default-m S5(config-router)#default-metric                ^Z S5# 08:55:47: %SYS-5-CONFIG_I: Configured from console by console S5# RACK14AS>2 [Resuming connection 2 to r2 ... ] R2#confi gt ^ % Invalid input detected at '^' marker. R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#rotuer osg         outer ispf    ospf 1 R2(config-router)#net 208.28.1.129 0.0.0.0 area 51 R2(config-router)#^Z R2# RACK14AS>1 [Resuming connection 1 to r1 ... ] R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#router isp   ospf 1~  R1(config-router)#nert     et 208.28.1.66 0.0.0.0 area 51 R1(config-router)# RACK14AS>2 [Resuming connection 2 to r2 ... ] *Ma R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#rotuer      uter ospf 1 R2(config-router)#net 180.40.7.2 0.0.0.0 area 200 R2(config-router)#^Z R2# RACK14AS>3 [Resuming connection 3 to r3 ... ] R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#router ospf 1 R3(config-router)#net 180.40.7.3 0.0.0.0 area 200 R3(config-router)#net 17.80.1.1 0.0.0.0 area *Mar 1 08:54:17.810: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial1/2 from LOADING to FULL, Loading Done R3(config-router)#net 17.80.1.1 0.0.0.0 area 51 R3(config-router)#end R3# RACK14AS>4 [Resuming connection 4 to r4 ... ] R4#config t Enter configuration commands, one per line. End with CNTL/Z. R4(config)#int lo 0 R4(config-if)#ip add res     200.0.1.1 255.255.255.0 R4(config-if)#rotuer      uter ospf 1 R4(config-router)#net     router R4(config-router)#router-id 4.4.4.4.  R4(config-router)#net 17.80.1.1   2 0.0.0.0 area 51 R4(config-router)#redis R4(config-router)#redistribute con R4(config-router)#redistribute connected *Mar 1 08:57:09.125: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on FastEthernet0/0 from LOADING to FULL, Loading Done R4(config-router)#redistribute connected su R4(config-router)#redistribute connected subnets tag 4 R4(config-router)#redistribute connected subnets tag 4net 17.80.1.2 0.0.0.0 area 51 router-id 4.4.4.4  ospf 1 ip add 200.0.1.1 255.255.255.0nt lo 0  \ 0 R4(config-if)#int lo 0redistribute connected subnets tag 4net 17.80.1.2 0.0.0.0 area 51 router-id 4.4.4.4  ospf 1 ip add 200.0.1.1 255.255.255.01.1 255.255.255.0 1 255.255.255.0 .1 255.255.255.0 1.1 255.255.255.0..1 255.255.255.09.1 255.255.255.0.1 255.255.255.0 0.1 255.255.255.0 R4(config-if)#^x   RACK14AS>5 [Resuming connection 5 to r5 ... ] 08:5 S5#sh i  p ospf nei Neighbor ID Pri State Dead Time Address Interface 2.2.2.2 1 FULL/BDR 00:00:35 208.28.1.129 Vlan20 S5#deb ip oso  spf             sh ip rotue ^ % Invalid input detected at '^' marker. S5#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 33.0.0.0/24 is subnetted, 1 subnets O E2 33.33.33.0 [110/20] via 208.28.1.129, 00:04:36, Vlan20 R 200.1.1.0/24 [120/1] via 217.57.100.2, 00:00:25, Vlan16 R 200.1.2.0/24 [120/1] via 217.57.100.2, 00:00:25, Vlan16 C 217.57.100.0/24 is directly connected, Vlan16 22.0.0.0/24 is subnetted, 1 subnets O E2 22.22.22.0 [110/20] via 208.28.1.129, 00:04:36, Vlan20 R 200.1.3.0/24 [120/1] via 217.57.100.2, 00:00:25, Vlan16 11.0.0.0/24 is subnetted, 1 subnets O E2 11.11.11.0 [110/20] via 208.28.1.129, 00:04:36, Vlan20 208.28.1.0/24 is variably subnetted, 4 subnets, 3 masks C 208.28.1.128/27 is directly connected, Vlan20 C 208.28.1.64/29 is directly connected, Vlan10 --More--  O IA 208.28.1.64/28 [110/792] via 208.28.1.129, 00:04:37, Vlan20 O IA 208.28.1.0/29 [110/782] via 208.28.1.129, 00:04:46, Vlan20 180.40.0.0/27 is subnetted, 2 subnets O IA 180.40.7.0 [110/782] via 208.28.1.129, 00:04:17, Vlan20 O IA 180.40.7.64 [110/782] via 208.28.1.129, 00:04:46, Vlan20 S5#deb ip ospf eve OSPF events debugging is on S5# S5# S5# 09:02:20: OSPF: Rcv hello from 2.2.2.2 area 51 from Vlan20 208.28.1.129 09:02:20: OSPF: End of hello processing 09:02:21: OSPF: Send hello to 224.0.0.5 area 51 on Vlan20 from 208.28.1.130 S5# 09:02:26: OSPF: Rcv hello from 1.1.1.1 area 51 from Vlan10 208.28.1.66 09:02:26: OSPF: Mismatched hello parameters from 208.28.1.66 09:02:26: OSPF: Dead R 40 C 40, Hello R 10 C 10 Mask R 255.255.255.240 C 255.255.255.248 09:02:26: OSPF: Send hello to 224.0.0.5 area 51 on Vlan10 from 208.28.1.65 S5#u al;l   09:02:30: OSPF: Rcv hello from 2.2.2.2 area 51 from Vlan20 208.28.1.129 09:02:30: OSPF: End of hello processing 09:02:31: OSPF: Send hello to 224.0.0.5 area 51 on Vlan20 from 208.28.1.130 S5#u all All possible debugging has been turned off S5#config t Enter configuration commands, one per line. End with CNTL/Z. S5(config)#int vlan 10 S5(config-if)#do sh run int vlan 10 Building configuration... Current configuration : 64 bytes ! interface Vlan10 ip address 208.28.1.65 255.255.255.248 end S5(config-if)# ip address 208.28.1.65 255.255.255.240 S5(config-if)#^Z S5# 09:04:25: %SYS-5-CONFIG_I: Configured from console by console S5# 09:04:31: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Vlan10 from LOADING to FULL, Loading Done S5# S5# S5# S5# S5#config tu all deb ip ospf evesh ip route tueospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 1 FULL/DR 00:00:34 208.28.1.66 Vlan10 2.2.2.2 1 FULL/BDR 00:00:37 208.28.1.129 Vlan20 S5# RACK14AS>6 [Resuming connection 6 to r6 ... ] 08:51:31: %SYS-5- S6#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 33.0.0.0/24 is subnetted, 1 subnets R 33.33.33.0 [120/3] via 217.57.100.1, 00:00:09, Vlan16 C 200.1.1.0/24 is directly connected, Loopback0 C 200.1.2.0/24 is directly connected, Loopback1 C 217.57.100.0/24 is directly connected, Vlan16 22.0.0.0/24 is subnetted, 1 subnets R 22.22.22.0 [120/3] via 217.57.100.1, 00:00:09, Vlan16 C 200.1.3.0/24 is directly connected, Loopback2 11.0.0.0/24 is subnetted, 1 subnets R 11.11.11.0 [120/3] via 217.57.100.1, 00:00:09, Vlan16 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks R 208.28.1.128/27 [120/3] via 217.57.100.1, 00:00:09, Vlan16 R 208.28.1.64/28 [120/3] via 217.57.100.1, 00:00:09, Vlan16 --More--  R 208.28.1.0/29 [120/3] via 217.57.100.1, 00:00:10, Vlan16 180.40.0.0/27 is subnetted, 2 subnets R 180.40.7.0 [120/3] via 217.57.100.1, 00:00:10, Vlan16 R 180.40.7.64 [120/3] via 217.57.100.1, 00:00:10, Vlan16 S6#ping 200.1.1.1     0.1 sou 2000 .1.1.1~1 ^ % Invalid input detected at '^' marker. S6#ping 200.1.0.1 sou 200.1.1.1~11  % Invalid source address- IP address not on any of our up interfaces S6#ping 200.1.0.1 sou 200.1.1.11  Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 200.1.0.1, timeout is 2 seconds: Packet sent with a source address of 200.1.1.1 ... RACK14AS>4 [Resuming connection 4 to r4 ... ] R4(config-if)#s ^Z R4#sh ip rout *Mar 1 09:04:39.525: %SYS-5-CONFIG_I: Configured from console by console R4#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets C 17.80.1.0 is directly connected, FastEthernet0/0 33.0.0.0/24 is subnetted, 1 subnets O E2 33.33.33.0 [110/20] via 17.80.1.1, 00:07:23, FastEthernet0/0 C 200.1.0.0/24 is directly connected, Loopback0 R4# RACK14AS>3 [Resuming connection 3 to r3 ... ] *Mar 1 08:54:22.983: %SYS-5-CONFIG_I: Configured from conso R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#int   router ospgf 1     pf 1 R3(config-router)#area 200 vir R3(config-router)#area 200 virtual-link ? A.B.C.D ID (IP addr) associated with virtual link neighbor R3(config-router)#area 200 virtual-link 1.1.1.1 R3(config-router)#area 200 virtual-link 1.1.1.1       2.2.2.2 R3(config-router)#^Z R3# RACK14AS>1 [Resuming connection 1 to r1 ... ] *Mar R1(config-router)# *Mar 1 09:05:47.273: %OSPF-4-ERRRCV: Received invalid packet: mismatch area ID, from backbone area must be virtual-link but not found from 208.28.1.2, Serial0/0.1 R1(config-router)# *Mar 1 09:05:57.269: %OSPF-4-ERRRCV: Received invalid packet: mismatch area ID, from backbone area must be virtual-link but not found from 208.28.1.2, Serial0/0.1 R1(config-router)# *Mar 1 09:06:07.294: %OSPF-4-ERRRCV: Received invalid packet: mismatch area ID, from backbone area must be virtual-link but not found from 208.28.1.2, Serial0/0.1 R1(config-router)#area *Mar 1 09:06:17.306: %OSPF-4-ERRRCV: Received invalid packet: mismatch area ID, from backbone area must be virtual-link but not found from 208.28.1.2, Serial0/0.1 R1(config-router)#area 200 vir R1(config-router)#area 200 virtual-link 3.3.3.3 R1(config-router)#^Z R1# RACK14AS>2 [Resuming connection 2 to r2 ... ] *Mar R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#router ospf 1 R2(config-router)# *Mar 1 09:05:14.286: %OSPF-4-ERRRCV: Received invalid packet: mismatch area ID, from backbone area must be virtual-link but not found from 180.40.7.3, Serial1/2 R2(config-router)#area 200 vir 3.3.3.3 R2(config-router)#^Z R2# *Mar 1 09:05:20.689: %SYS-5-CONFIG_I: Configured from console by console R2# *Mar 1 09:05:24.471: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on OSPF_VL0 from LOADING to FULL, Loading Done R2# RACK14AS>3 [Resuming connection 3 to r3 ... ] *Ma R3#sh ip ospf nbe  ei Neighbor ID Pri State Dead Time Address Interface 2.2.2.2 0 FULL/ - - 180.40.7.2 OSPF_VL2 1.1.1.1 0 FULL/ - - 208.28.1.1 OSPF_VL1 4.4.4.4 1 FULL/BDR 00:00:38 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:37 180.40.7.2 Serial1/2 1.1.1.1 0 FULL/DROTHER 00:01:57 208.28.1.1 Serial1/0 2.2.2.2 0 FULL/DROTHER 00:01:56 208.28.1.3 Serial1/0 R3#sh ip ospf n ve ir Virtual Link OSPF_VL2 to router 2.2.2.2 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/2, Cost of using 781 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:07 Adjacency State FULL (Hello suppressed) Index 2/6, retransmission queue length 0, number of retransmission 0 First 0x0(0)/0x0(0) Next 0x0(0)/0x0(0) Last retransmission scan length is 0, maximum is 0 Last retransmission scan time is 0 msec, maximum is 0 msec Virtual Link OSPF_VL1 to router 1.1.1.1 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 781 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:05 Adjacency State FULL (Hello suppressed) Index 1/5, retransmission queue length 0, number of retransmission 1 First 0x0(0)/0x0(0) Next 0x0(0)/0x0(0) Last retransmission scan length is 1, maximum is 1 --More--   Last retransmission scan time is 0 msec, maximum is 0 msec R3#sh ip osp f   pf data OSPF Router with ID (3.3.3.3) (Process ID 1) Router Link States (Area 0) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 5 (DNA) 0x80000007 0x009F74 3 2.2.2.2 2.2.2.2 1 (DNA) 0x80000006 0x00A605 3 3.3.3.3 3.3.3.3 158 0x80000003 0x0014EC 2 Summary Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 17.80.1.0 3.3.3.3 231 0x80000001 0x008C41 180.40.7.0 1.1.1.1 683 (DNA) 0x80000001 0x0074AF 180.40.7.0 2.2.2.2 684 (DNA) 0x80000001 0x00D38C 180.40.7.0 3.3.3.3 231 0x80000001 0x00B5A6 208.28.1.0 1.1.1.1 256 (DNA) 0x80000004 0x00C648 208.28.1.0 2.2.2.2 103 (DNA) 0x80000004 0x00C377 208.28.1.0 3.3.3.3 231 0x80000001 0x00AB8E 208.28.1.64 1.1.1.1 222 (DNA) 0x80000003 0x00F716 208.28.1.64 2.2.2.2 229 (DNA) 0x80000003 0x008988 208.28.1.128 1.1.1.1 217 (DNA) 0x80000001 0x0023BB --More--   R3#sh ip ospf int OSPF_VL2 is up, line protocol is up Internet Address 180.40.7.3/27, Area 0 Process ID 1, Router ID 3.3.3.3, Network Type VIRTUAL_LINK, Cost: 781 Configured as demand circuit. Run as demand circuit. DoNotAge LSA allowed. Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 oob-resync timeout 40 Hello due in 00:00:05 Index 2/5, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 1 Last flood scan time is 0 msec, maximum is 0 msec Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 2.2.2.2 (Hello suppressed) Suppress hello for 1 neighbor(s) OSPF_VL1 is up, line protocol is up Internet Address 208.28.1.2/29, Area 0 Process ID 1, Router ID 3.3.3.3, Network Type VIRTUAL_LINK, Cost: 781 Configured as demand circuit. Run as demand circuit. DoNotAge LSA allowed. --More--   R3# RACK14AS>4 [Resuming connection 4 to r4 ... ] R4#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets C 17.80.1.0 is directly connected, FastEthernet0/0 33.0.0.0/24 is subnetted, 1 subnets O E2 33.33.33.0 [110/20] via 17.80.1.1, 00:03:13, FastEthernet0/0 C 200.1.0.0/24 is directly connected, Loopback0 O E2 200.1.1.0/24 [110/20] via 17.80.1.1, 00:03:13, FastEthernet0/0 O E2 200.1.2.0/24 [110/20] via 17.80.1.1, 00:03:13, FastEthernet0/0 O E2 217.57.100.0/24 [110/20] via 17.80.1.1, 00:03:13, FastEthernet0/0 22.0.0.0/24 is subnetted, 1 subnets O E2 22.22.22.0 [110/20] via 17.80.1.1, 00:03:14, FastEthernet0/0 O E2 200.1.3.0/24 [110/20] via 17.80.1.1, 00:03:14, FastEthernet0/0 11.0.0.0/24 is subnetted, 1 subnets O E2 11.11.11.0 [110/20] via 17.80.1.1, 00:03:14, FastEthernet0/0 --More--   208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/783] via 17.80.1.1, 00:03:20, FastEthernet0/0 O IA 208.28.1.64/28 [110/784] via 17.80.1.1, 00:03:20, FastEthernet0/0 O IA 208.28.1.0/29 [110/782] via 17.80.1.1, 00:04:30, FastEthernet0/0 180.40.0.0/27 is subnetted, 2 subnets O IA 180.40.7.0 [110/782] via 17.80.1.1, 00:04:30, FastEthernet0/0 O IA 180.40.7.64 [110/846] via 17.80.1.1, 00:03:20, FastEthernet0/0 R4# RACK14AS>6 [Resuming connection 6 to r6 ... ] .. S6#ping 200.1.0.1 sou 200.1.1.1 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 200.1.0.1, timeout is 2 seconds: Packet sent with a source address of 200.1.1.1 !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 44/46/48 ms S6#sh ip route sum IP routing table name is Default-IP-Routing-Table(0) IP routing table maximum-paths is 32 Route Source Networks Subnets Overhead Memory (bytes) connected 4 0 256 608 static 0 0 0 0 rip 1 9 640 1520 internal 6 7032 Total 11 9 896 9160 S6#^x4 % Unknown command or computer name, or unable to find computer address S6# S6# RACK14AS>4 [Resuming connection 4 to r4 ... ] R4#sh ip route sum IP routing table name is Default-IP-Routing-Table(0) Route Source Networks Subnets Overhead Memory (bytes) connected 1 1 128 304 static 0 0 0 0 ospf 1 4 8 768 1824 Intra-area: 0 Inter-area: 5 External-1: 0 External-2: 7 NSSA External-1: 0 NSSA External-2: 0 internal 6 7032 Total 11 9 896 9160 R4# RACK14AS> [Resuming connection 4 to r4 ... ] 3 Trying 3... % Destination unreachable; gateway or host down % Unknown command or computer name, or unable to find computer address R4# RACK14AS>3 [Resuming connection 3 to r3 ... ] R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 2.2.2.2 0 FULL/ - - 180.40.7.2 OSPF_VL2 1.1.1.1 0 FULL/ - - 208.28.1.1 OSPF_VL1 4.4.4.4 1 FULL/BDR 00:00:35 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:39 180.40.7.2 Serial1/2 1.1.1.1 0 FULL/DROTHER 00:01:55 208.28.1.1 Serial1/0 2.2.2.2 0 FULL/DROTHER 00:01:43 208.28.1.3 Serial1/0 R3#^x1 % Unknown command or computer name, or unable to find computer address R3# R3#^x1 % Unknown command or computer name, or unable to find computer address R3# RACK14AS>1 [Resuming connection 1 to r1 ... ] *Mar R1#sh run | b router router ospf 1 router-id 1.1.1.1 log-adjacency-changes area 200 virtual-link 3.3.3.3 redistribute connected subnets tag 1 network 180.40.7.66 0.0.0.0 area 0 network 208.28.1.1 0.0.0.0 area 200 network 208.28.1.66 0.0.0.0 area 51 ! no ip http server ip classless ! ! ! ! ! ! ! ! line con 0 exec-timeout 0 0 logging synchronous line aux 0 --More--   R1# RACK14AS>2 [Resuming connection 2 to r2 ... ] R2#sh reun     un | b rotuer    uter router ospf 1 router-id 2.2.2.2 log-adjacency-changes area 200 virtual-link 3.3.3.3 redistribute connected subnets tag 2 network 180.40.7.2 0.0.0.0 area 200 network 180.40.7.65 0.0.0.0 area 0 network 208.28.1.3 0.0.0.0 area 200 network 208.28.1.129 0.0.0.0 area 51 ! ip classless ! no ip http server no ip http secure-server ! ! ! ! ! ! ! ! ! --More--   R2#^x3 % Unknown command or computer name, or unable to find computer address R2# R2#^x3 % Unknown command or computer name, or unable to find computer address R2# R2# RACK14AS>3 [Resuming connection 3 to r3 ... ] R3#sh run | b rotuer    uter router ospf 1 router-id 3.3.3.3 log-adjacency-changes area 200 virtual-link 2.2.2.2 area 200 virtual-link 1.1.1.1 redistribute connected subnets tag 3 network 17.80.1.1 0.0.0.0 area 51 network 180.40.7.3 0.0.0.0 area 200 network 208.28.1.2 0.0.0.0 area 200 neighbor 208.28.1.1 ! ip classless ! no ip http server no ip http secure-server ! ! ! ! ! ! ! ! --More--   R3#^x   RACK14AS>4 [Resuming connection 4 to r4 ... ] R4#sh run | b Lo interface Loopback0 ip address 200.1.0.1 255.255.255.0 ! interface FastEthernet0/0 ip address 17.80.1.2 255.255.255.0 duplex auto speed auto ! interface ATM1/0 no ip address shutdown no atm ilmi-keepalive ! router ospf 1 router-id 4.4.4.4 log-adjacency-changes redistribute connected subnets tag 4 network 17.80.1.2 0.0.0.0 area 51 ! no ip http server no ip http secure-server ip classless ! --More--   R4#config t Enter configuration commands, one per line. End with CNTL/Z. R4(config)#int lo 0 R4(config-if)#for testing the summary ^ % Invalid input detected at '^' marker. R4(config-if)#for testing the summarydfor testing the summaryefor testing the summarysfor testing the summarycfor testing the summary ^ % Invalid input detected at '^' marker. R4(config-if)#descfor testing the summarydescf for testing the summary R4(config-if)#^Z R4#sh run | *Mar 1 09:15:06.933: %SYS-5-CONFIG_I: Configured from console by console R4#sh run | b Lo interface Loopback0 description for testing the summary ip address 200.1.0.1 255.255.255.0 ! interface FastEthernet0/0 ip address 17.80.1.2 255.255.255.0 duplex auto speed auto ! interface ATM1/0 no ip address shutdown no atm ilmi-keepalive ! router ospf 1 router-id 4.4.4.4 log-adjacency-changes redistribute connected subnets tag 4 network 17.80.1.2 0.0.0.0 area 51 ! no ip http server no ip http secure-server ip classless --More--   R4# RACK14AS>5 [Resuming connection 5 to r5 ... ] S5#sh ru n  b n | b rotuer    uter router ospf 1 router-id 5.5.5.5 log-adjacency-changes redistribute rip subnets network 208.28.1.65 0.0.0.0 area 51 network 208.28.1.130 0.0.0.0 area 51 ! router rip version 2 redistribute ospf 1 metric 3 network 217.57.100.0 no auto-summary ! ip classless ip http server ip http secure-server ! ! ! control-plane ! ! line con 0 --More--   S5# RACK14AS>6 [Resuming connection 6 to r6 ... ] S6#sh run | b router router rip version 2 network 200.1.1.0 network 200.1.2.0 network 200.1.3.0 network 217.57.100.0 no auto-summary ! ip classless ip http server ip http secure-server ! ! ! control-plane ! ! line con 0 exec-timeout 0 0 line vty 0 4 no login line vty 5 15 no login --More--   S6#^x5 % Unknown command or computer name, or unable to find computer address S6# RACK14AS>5 [Resuming connection 5 to r5 ... ] S5#hs    sh riu oute      ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets O IA 17.80.1.0 [110/66] via 208.28.1.66, 00:09:15, Vlan10 33.0.0.0/24 is subnetted, 1 subnets O E2 33.33.33.0 [110/20] via 208.28.1.66, 00:09:10, Vlan10 O E2 200.1.0.0/24 [110/20] via 208.28.1.66, 00:09:10, Vlan10 R 200.1.1.0/24 [120/1] via 217.57.100.2, 00:00:18, Vlan16 R 200.1.2.0/24 [120/1] via 217.57.100.2, 00:00:18, Vlan16 C 217.57.100.0/24 is directly connected, Vlan16 22.0.0.0/24 is subnetted, 1 subnets O E2 22.22.22.0 [110/20] via 208.28.1.129, 00:09:11, Vlan20 R 200.1.3.0/24 [120/1] via 217.57.100.2, 00:00:19, Vlan16 11.0.0.0/24 is subnetted, 1 subnets O E2 11.11.11.0 [110/20] via 208.28.1.66, 00:09:11, Vlan10 --More--   208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks C 208.28.1.128/27 is directly connected, Vlan20 C 208.28.1.64/28 is directly connected, Vlan10 O IA 208.28.1.0/29 [110/65] via 208.28.1.66, 00:13:15, Vlan10 180.40.0.0/27 is subnetted, 2 subnets O IA 180.40.7.0 [110/782] via 208.28.1.129, 00:13:15, Vlan20 O IA 180.40.7.64 [110/65] via 208.28.1.66, 00:13:15, Vlan10 S5#config t Enter configuration commands, one per line. End with CNTL/Z. S5(config)#router ospf 1 S5(config-router)#area 51 nssa S5(config-router)#area 51 nssa S5(config-router)#^Z S5# 09:18:19: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Vlan10 from FULL to DOWN, Neighbor Down: Adjacency forced RACK14AS>1 [Resuming connection 1 to r1 ... ] R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#router ospgf    f 1 R1(config-router)#n area 51 nssa ? default-information-originate Originate Type 7 default into NSSA area no-redistribution No redistribution into this NSSA area no-summary Do not send summary LSA into NSSA translate Translate LSA R1(config-router)#area 51 nssa no  - R1(config-router)#area 51 nssa no-r R1(config-router)#area 51 nssa no-redistribution ? default-information-originate Originate Type 7 default into NSSA area no-summary Do not send summary LSA into NSSA translate Translate LSA R1(config-router)#area 51 nssa no-redistribution no  - R1(config-router)#area 51 nssa no-redistribution no-summary ? default-information-originate Originate Type 7 default into NSSA area translate Translate LSA R1(config-router)#area 51 nssa no-redistribution no-summary *Mar 1 09:16:58.633: %OSPF-5-ADJCHG: Process 1, Nbr 5.5.5.5 on Ethernet0/0 from FULL to DOWN, Neighbor Down: Dead timer expired R1(config-router)#area 51 nssa no-redistribution no-summary R1(config-router)#^Z R1# *Mar 1 09:17:11.322: %OSPF-5-ADJCHG: Process 1, Nbr 5.5.5.5 on Ethernet0/0 from LOADING to FULL, Loading Done *Mar 1 09:17:11.743: %SYS-5-CONFIG_I: Configured from console by console R1# RACK14AS>2 [Resuming connection 2 to r2 ... ] * R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#router ospf 1 R2(config-router)#area 51 nssa no-redistribution no-summary R2(config-router)#^Z R2# *Mar 1 09:16:05.109: %SYS-5-CONFIG_I: Configured from console by console R2# RACK14AS>5 [Resuming connection 5 to r5 ... ] 09:18:19: %OSPF-5-A S5#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is 208.28.1.129 to network 0.0.0.0 R 200.1.1.0/24 [120/1] via 217.57.100.2, 00:00:00, Vlan16 R 200.1.2.0/24 [120/1] via 217.57.100.2, 00:00:00, Vlan16 C 217.57.100.0/24 is directly connected, Vlan16 R 200.1.3.0/24 [120/1] via 217.57.100.2, 00:00:00, Vlan16 208.28.1.0/24 is variably subnetted, 2 subnets, 2 masks C 208.28.1.128/27 is directly connected, Vlan20 C 208.28.1.64/28 is directly connected, Vlan10 O*IA 0.0.0.0/0 [110/2] via 208.28.1.129, 00:00:20, Vlan20 [110/2] via 208.28.1.66, 00:00:20, Vlan10 S5#^x2 % Unknown command or computer name, or unable to find computer address S5# RACK14AS>1 [Resuming connection 1 to r1 ... ] R1#sh run | b rotuer    uter router ospf 1 router-id 1.1.1.1 log-adjacency-changes area 51 nssa no-redistribution no-summary area 200 virtual-link 3.3.3.3 redistribute connected subnets tag 1 network 180.40.7.66 0.0.0.0 area 0 network 208.28.1.1 0.0.0.0 area 200 network 208.28.1.66 0.0.0.0 area 51 ! no ip http server ip classless ! ! ! ! ! ! ! ! line con 0 exec-timeout 0 0 logging synchronous --More--   R1# RACK14AS>2 [Resuming connection 2 to r2 ... ] *M R2#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets O IA 17.80.1.0 [110/782] via 180.40.7.3, 00:01:31, Serial1/2 33.0.0.0/24 is subnetted, 1 subnets O E2 33.33.33.0 [110/20] via 208.28.1.2, 00:01:31, Serial1/0.1 [110/20] via 180.40.7.3, 00:01:31, Serial1/2 O E2 200.1.0.0/24 [110/20] via 180.40.7.3, 00:01:31, Serial1/2 O N2 200.1.1.0/24 [110/20] via 208.28.1.130, 00:01:25, FastEthernet0/1 O N2 200.1.2.0/24 [110/20] via 208.28.1.130, 00:01:25, FastEthernet0/1 O N2 217.57.100.0/24 [110/20] via 208.28.1.130, 00:01:26, FastEthernet0/1 22.0.0.0/24 is subnetted, 1 subnets C 22.22.22.0 is directly connected, Loopback0 O N2 200.1.3.0/24 [110/20] via 208.28.1.130, 00:01:26, FastEthernet0/1 11.0.0.0/24 is subnetted, 1 subnets --More--  O E2 11.11.11.0 [110/20] via 208.28.1.1, 00:01:33, Serial1/0.1 [110/20] via 180.40.7.66, 00:01:33, Serial1/0.2 [110/20] via 208.28.1.130, 00:01:33, FastEthernet0/1 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks C 208.28.1.128/27 is directly connected, FastEthernet0/1 O 208.28.1.64/28 [110/2] via 208.28.1.130, 00:01:33, FastEthernet0/1 C 208.28.1.0/29 is directly connected, Serial1/0.1 180.40.0.0/27 is subnetted, 2 subnets C 180.40.7.0 is directly connected, Serial1/2 C 180.40.7.64 is directly connected, Serial1/0.2 R2#q ping 11.11.11.11 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 11.11.11.11, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 56/59/60 ms R2#sh run |   uin   int s 1/0.1 Building configuration... Current configuration : 185 bytes ! interface Serial1/0.1 multipoint ip address 208.28.1.3 255.255.255.248 ip ospf network broadcast ip ospf hello-interval 30 ip ospf priority 0 frame-relay interface-dlci 203 end R2#ping 208.28.1.1.1   Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 208.28.1.1, timeout is 2 seconds: ..... Success rate is 0 percent (0/5) R2#sh ip route 11.11.11.11 Routing entry for 11.11.11.0/24 Known via "ospf 1", distance 110, metric 20 Tag 1, type extern 2, forward metric 781 Last update from 208.28.1.130 on FastEthernet0/1, 00:00:09 ago Routing Descriptor Blocks: * 208.28.1.1, from 1.1.1.1, 00:00:09 ago, via Serial1/0.1 Route metric is 20, traffic share count is 1 180.40.7.66, from 1.1.1.1, 00:00:09 ago, via Serial1/0.2 Route metric is 20, traffic share count is 1 208.28.1.130, from 1.1.1.1, 00:00:09 ago, via FastEthernet0/1 Route metric is 20, traffic share count is 1 R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#int fa 0    s 1/0.1 R2(config-subif)#no fram int R2(config-subif)#no fram interface-dlci 203 R2(config-subif)#fram map ip 208, .28.1.1 203 R2(config-subif)#fram map ip 208.28.1.1 203 br R2(config-subif)#fram map ip 208.28.1.1 203 broadcast R2(config-subif)#fram map ip 208.28.1.1 203 broadcast 1 203 broadcast 2 203 broadcast  R2(config-subif)#^Z R2# *Mar 1 09:19:58.752: %SYS-5-CONFIG_I: Configured from console by console R2#config tsh ip route 11.11.11.11ping 208.28.1.1  Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 208.28.1.1, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 112/128/144 ms R2# RACK14AS>1 [Resuming connection 1 to r1 ... ] R1#sh run        sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets O IA 17.80.1.0 [110/65] via 208.28.1.2, 00:01:48, Serial0/0.1 33.0.0.0/24 is subnetted, 1 subnets O E2 33.33.33.0 [110/20] via 208.28.1.2, 00:01:48, Serial0/0.1 O E2 200.1.0.0/24 [110/20] via 208.28.1.2, 00:01:48, Serial0/0.1 O E2 200.1.1.0/24 [110/20] via 208.28.1.65, 00:01:48, Ethernet0/0 O E2 200.1.2.0/24 [110/20] via 208.28.1.65, 00:01:48, Ethernet0/0 O E2 217.57.100.0/24 [110/20] via 208.28.1.65, 00:01:48, Ethernet0/0 22.0.0.0/24 is subnetted, 1 subnets O E2 22.22.22.0 [110/20] via 208.28.1.3, 00:01:49, Serial0/0.1 [110/20] via 180.40.7.65, 00:01:49, Serial0/0.2 [110/20] via 208.28.1.65, 00:01:49, Ethernet0/0 O E2 200.1.3.0/24 [110/20] via 208.28.1.65, 00:01:49, Ethernet0/0 --More--   11.0.0.0/24 is subnetted, 1 subnets C 11.11.11.0 is directly connected, Loopback0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O 208.28.1.128/27 [110/11] via 208.28.1.65, 00:01:50, Ethernet0/0 C 208.28.1.64/28 is directly connected, Ethernet0/0 C 208.28.1.0/29 is directly connected, Serial0/0.1 180.40.0.0/27 is subnetted, 2 subnets O 180.40.7.0 [110/845] via 208.28.1.3, 00:05:08, Serial0/0.1 [110/845] via 208.28.1.2, 00:05:08, Serial0/0.1 C 180.40.7.64 is directly connected, Serial0/0.2 R1# RACK14AS>2 [Resuming connection 2 to r2 ... ] R2#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets O IA 17.80.1.0 [110/782] via 180.40.7.3, 00:01:58, Serial1/2 33.0.0.0/24 is subnetted, 1 subnets O E2 33.33.33.0 [110/20] via 208.28.1.2, 00:01:58, Serial1/0.1 [110/20] via 180.40.7.3, 00:01:58, Serial1/2 O E2 200.1.0.0/24 [110/20] via 180.40.7.3, 00:01:58, Serial1/2 O N2 200.1.1.0/24 [110/20] via 208.28.1.130, 00:01:58, FastEthernet0/1 O N2 200.1.2.0/24 [110/20] via 208.28.1.130, 00:01:58, FastEthernet0/1 O N2 217.57.100.0/24 [110/20] via 208.28.1.130, 00:02:00, FastEthernet0/1 22.0.0.0/24 is subnetted, 1 subnets C 22.22.22.0 is directly connected, Loopback0 O N2 200.1.3.0/24 [110/20] via 208.28.1.130, 00:02:00, FastEthernet0/1 11.0.0.0/24 is subnetted, 1 subnets --More--  O E2 11.11.11.0 [110/20] via 208.28.1.1, 00:02:01, Serial1/0.1 [110/20] via 180.40.7.66, 00:02:01, Serial1/0.2 [110/20] via 208.28.1.130, 00:02:01, FastEthernet0/1 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks C 208.28.1.128/27 is directly connected, FastEthernet0/1 O 208.28.1.64/28 [110/2] via 208.28.1.130, 00:02:01, FastEthernet0/1 C 208.28.1.0/29 is directly connected, Serial1/0.1 180.40.0.0/27 is subnetted, 2 subnets C 180.40.7.0 is directly connected, Serial1/2 C 180.40.7.64 is directly connected, Serial1/0.2 R2#^x1 % Unknown command or computer name, or unable to find computer address R2# R2# RACK14AS>1 [Resuming connection 1 to r1 ... ] R1#sh run | b router router ospf 1 router-id 1.1.1.1 log-adjacency-changes area 51 nssa no-redistribution no-summary area 200 virtual-link 3.3.3.3 redistribute connected subnets tag 1 network 180.40.7.66 0.0.0.0 area 0 network 208.28.1.1 0.0.0.0 area 200 network 208.28.1.66 0.0.0.0 area 51 ! no ip http server ip classless ! ! ! ! ! ! ! ! line con 0 exec-timeout 0 0 logging synchronous --More--   R1#^x2 % Unknown command or computer name, or unable to find computer address R1# R1#^x2 % Unknown command or computer name, or unable to find computer address R1# R1# RACK14AS>2 [Resuming connection 2 to r2 ... ] R2#sh run | b rtouer     outer router ospf 1 router-id 2.2.2.2 log-adjacency-changes area 51 nssa no-redistribution no-summary area 200 virtual-link 3.3.3.3 redistribute connected subnets tag 2 network 180.40.7.2 0.0.0.0 area 200 network 180.40.7.65 0.0.0.0 area 0 network 208.28.1.3 0.0.0.0 area 200 network 208.28.1.129 0.0.0.0 area 51 ! ip classless ! no ip http server no ip http secure-server ! ! ! ! ! ! ! ! --More--   R2#^x5 % Unknown command or computer name, or unable to find computer address R2# RACK14AS>5 [Resuming connection 5 to r5 ... ] S5#sh run | b rotuer    uter ospf router ospf 1 router-id 5.5.5.5 log-adjacency-changes area 51 nssa redistribute rip subnets network 208.28.1.65 0.0.0.0 area 51 network 208.28.1.130 0.0.0.0 area 51 ! router rip version 2 redistribute ospf 1 metric 3 network 217.57.100.0 no auto-summary ! ip classless ip http server ip http secure-server ! ! ! control-plane ! ! --More--   S5#&  RACK14AS>1 [Resuming connection 1 to r1 ... ] R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)# R1(config)#router ospf 1 R1(config-router)#sum R1(config-router)#summary-address ? A.B.C.D IP summary address R1(config-router)#summary-address 200.1.0.0 255.255.252  .0 R1(config-router)#sum R1(config-router)#summary-address 217.57.0.0 255.25. 5.0.0 R1(config-router)#^Z R1# RACK14AS>2 [Resuming connection 2 to r2 ... ] R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)# R2(config)#router ospgf    f 1 R2(config-router)#summary-address 200.1.0.0 255.255.252.0 R2(config-router)#summary-address 217.57.0.0 255.255.0.0 R2(config-router)#^Z R2# *Mar 1 09:24:13.750: %SYS- RACK14AS>3 [Resuming connection 3 to r3 ... ] R3#sh ip rotue ^ % Invalid input detected at '^' marker. R3#sh ip rotue ^ % Invalid input detected at '^' marker. R3#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets C 17.80.1.0 is directly connected, FastEthernet0/0 33.0.0.0/24 is subnetted, 1 subnets C 33.33.33.0 is directly connected, Loopback0 O E2 200.1.0.0/24 [110/20] via 17.80.1.2, 00:07:52, FastEthernet0/0 22.0.0.0/24 is subnetted, 1 subnets O E2 22.22.22.0 [110/20] via 208.28.1.3, 00:07:52, Serial1/0 [110/20] via 180.40.7.2, 00:07:52, Serial1/2 11.0.0.0/24 is subnetted, 1 subnets O E2 11.11.11.0 [110/20] via 208.28.1.1, 00:07:53, Serial1/0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/782] via 180.40.7.2, 00:07:58, Serial1/2 O IA 208.28.1.64/28 [110/783] via 180.40.7.2, 00:07:53, Serial1/2 --More--  C 208.28.1.0/29 is directly connected, Serial1/0 180.40.0.0/27 is subnetted, 2 subnets C 180.40.7.0 is directly connected, Serial1/2 O 180.40.7.64 [110/845] via 208.28.1.1, 00:18:56, Serial1/0 O E2 200.1.0.0/22 [110/20] via 208.28.1.3, 00:00:12, Serial1/0 [110/20] via 180.40.7.2, 00:00:12, Serial1/2 O E2 217.57.0.0/16 [110/20] via 208.28.1.3, 00:00:02, Serial1/0 [110/20] via 180.40.7.2, 00:00:02, Serial1/2 R3# RACK14AS>4 6 [Resuming connection 6 to r6 ... ] S6#^x5sh run | b router^x4 sh ip route sumping 200.1.0.1 sou 200.1.1.1 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 200.1.0.1, timeout is 2 seconds: Packet sent with a source address of 200.1.1.1 !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 44/44/48 ms S6#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is 217.57.100.1 to network 0.0.0.0 C 200.1.1.0/24 is directly connected, Loopback0 C 200.1.2.0/24 is directly connected, Loopback1 C 217.57.100.0/24 is directly connected, Vlan16 C 200.1.3.0/24 is directly connected, Loopback2 208.28.1.0/24 is variably subnetted, 2 subnets, 2 masks R 208.28.1.128/27 [120/3] via 217.57.100.1, 00:00:15, Vlan16 R 208.28.1.64/28 [120/3] via 217.57.100.1, 00:00:15, Vlan16 R* 0.0.0.0/0 [120/3] via 217.57.100.1, 00:00:15, Vlan16 S6#   RACK14AS>5 [Resuming connection 5 to r5 ... ] S5#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is 208.28.1.129 to network 0.0.0.0 R 200.1.1.0/24 [120/1] via 217.57.100.2, 00:00:04, Vlan16 R 200.1.2.0/24 [120/1] via 217.57.100.2, 00:00:04, Vlan16 C 217.57.100.0/24 is directly connected, Vlan16 R 200.1.3.0/24 [120/1] via 217.57.100.2, 00:00:04, Vlan16 208.28.1.0/24 is variably subnetted, 2 subnets, 2 masks C 208.28.1.128/27 is directly connected, Vlan20 C 208.28.1.64/28 is directly connected, Vlan10 O*IA 0.0.0.0/0 [110/2] via 208.28.1.129, 00:06:03, Vlan20 [110/2] via 208.28.1.66, 00:06:03, Vlan10 S5# RACK14AS>1 [Resuming connection 1 to r1 ... ] *M R1#sh ip rotue ^ % Invalid input detected at '^' marker. R1#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets O IA 17.80.1.0 [110/65] via 208.28.1.2, 00:06:14, Serial0/0.1 33.0.0.0/24 is subnetted, 1 subnets O E2 33.33.33.0 [110/20] via 208.28.1.2, 00:06:14, Serial0/0.1 O E2 200.1.0.0/24 [110/20] via 208.28.1.2, 00:06:14, Serial0/0.1 O N2 200.1.1.0/24 [110/20] via 208.28.1.65, 00:01:10, Ethernet0/0 O N2 200.1.2.0/24 [110/20] via 208.28.1.65, 00:01:10, Ethernet0/0 O N2 217.57.100.0/24 [110/20] via 208.28.1.65, 00:01:00, Ethernet0/0 22.0.0.0/24 is subnetted, 1 subnets O E2 22.22.22.0 [110/20] via 208.28.1.3, 00:06:16, Serial0/0.1 [110/20] via 180.40.7.65, 00:06:16, Serial0/0.2 [110/20] via 208.28.1.65, 00:06:16, Ethernet0/0 O N2 200.1.3.0/24 [110/20] via 208.28.1.65, 00:01:12, Ethernet0/0 --More--   11.0.0.0/24 is subnetted, 1 subnets C 11.11.11.0 is directly connected, Loopback0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O 208.28.1.128/27 [110/11] via 208.28.1.65, 00:06:30, Ethernet0/0 C 208.28.1.64/28 is directly connected, Ethernet0/0 C 208.28.1.0/29 is directly connected, Serial0/0.1 180.40.0.0/27 is subnetted, 2 subnets O 180.40.7.0 [110/845] via 208.28.1.3, 00:09:48, Serial0/0.1 [110/845] via 208.28.1.2, 00:09:48, Serial0/0.1 C 180.40.7.64 is directly connected, Serial0/0.2 O E2 200.1.0.0/22 [110/20] via 208.28.1.3, 00:01:26, Serial0/0.1 [110/20] via 180.40.7.65, 00:01:26, Serial0/0.2 [110/20] via 208.28.1.65, 00:01:26, Ethernet0/0 O E2 217.57.0.0/16 [110/20] via 208.28.1.3, 00:01:16, Serial0/0.1 [110/20] via 180.40.7.65, 00:01:16, Serial0/0.2 [110/20] via 208.28.1.65, 00:01:16, Ethernet0/0 R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)# RACK14AS>2 [Resuming connection 2 to r2 ... ] IG_I: Configured fr R2#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets O IA 17.80.1.0 [110/782] via 180.40.7.3, 00:06:54, Serial1/2 33.0.0.0/24 is subnetted, 1 subnets O E2 33.33.33.0 [110/20] via 208.28.1.2, 00:06:54, Serial1/0.1 [110/20] via 180.40.7.3, 00:06:54, Serial1/2 O E2 200.1.0.0/24 [110/20] via 180.40.7.3, 00:06:54, Serial1/2 O N2 200.1.1.0/24 [110/20] via 208.28.1.130, 00:06:54, FastEthernet0/1 O N2 200.1.2.0/24 [110/20] via 208.28.1.130, 00:06:54, FastEthernet0/1 O N2 217.57.100.0/24 [110/20] via 208.28.1.130, 00:06:55, FastEthernet0/1 22.0.0.0/24 is subnetted, 1 subnets C 22.22.22.0 is directly connected, Loopback0 O N2 200.1.3.0/24 [110/20] via 208.28.1.130, 00:06:55, FastEthernet0/1 11.0.0.0/24 is subnetted, 1 subnets --More--  O E2 11.11.11.0 [110/20] via 208.28.1.1, 00:06:56, Serial1/0.1 [110/20] via 180.40.7.66, 00:06:56, Serial1/0.2 [110/20] via 208.28.1.130, 00:06:56, FastEthernet0/1 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks C 208.28.1.128/27 is directly connected, FastEthernet0/1 O 208.28.1.64/28 [110/2] via 208.28.1.130, 00:06:56, FastEthernet0/1 C 208.28.1.0/29 is directly connected, Serial1/0.1 180.40.0.0/27 is subnetted, 2 subnets C 180.40.7.0 is directly connected, Serial1/2 C 180.40.7.64 is directly connected, Serial1/0.2 O 200.1.0.0/22 is a summary, 00:01:42, Null0 O 217.57.0.0/16 is a summary, 00:01:42, Null0 R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)# R2(config)#router ospf 1 R2(config-router)#no dis R2(config-router)#no disc R2(config-router)#no discard-route ? external Discard route for redistributed summarised routes internal Discard route for summarised internal routes R2(config-router)#no discard-route ex R2(config-router)#no discard-route external R2(config-router)#^Z R2#config tsh ip route *Mar 1 09:26:35.703: %SYS-5-CONFIG_I: Configured from console by console R2#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets O IA 17.80.1.0 [110/782] via 180.40.7.3, 00:07:30, Serial1/2 33.0.0.0/24 is subnetted, 1 subnets O E2 33.33.33.0 [110/20] via 208.28.1.2, 00:07:30, Serial1/0.1 [110/20] via 180.40.7.3, 00:07:30, Serial1/2 O E2 200.1.0.0/24 [110/20] via 180.40.7.3, 00:07:30, Serial1/2 O N2 200.1.1.0/24 [110/20] via 208.28.1.130, 00:07:30, FastEthernet0/1 O N2 200.1.2.0/24 [110/20] via 208.28.1.130, 00:07:30, FastEthernet0/1 O N2 217.57.100.0/24 [110/20] via 208.28.1.130, 00:07:32, FastEthernet0/1 22.0.0.0/24 is subnetted, 1 subnets C 22.22.22.0 is directly connected, Loopback0 O N2 200.1.3.0/24 [110/20] via 208.28.1.130, 00:07:32, FastEthernet0/1 11.0.0.0/24 is subnetted, 1 subnets --More--  O E2 11.11.11.0 [110/20] via 208.28.1.1, 00:07:32, Serial1/0.1 [110/20] via 180.40.7.66, 00:07:32, Serial1/0.2 [110/20] via 208.28.1.130, 00:07:32, FastEthernet0/1 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks C 208.28.1.128/27 is directly connected, FastEthernet0/1 O 208.28.1.64/28 [110/2] via 208.28.1.130, 00:07:32, FastEthernet0/1 C 208.28.1.0/29 is directly connected, Serial1/0.1 180.40.0.0/27 is subnetted, 2 subnets C 180.40.7.0 is directly connected, Serial1/2 C 180.40.7.64 is directly connected, Serial1/0.2 R2#   RACK14AS>1 [Resuming connection 1 to r1 ... ] R1(config)#i router os f  pf 1 R1(config-router)#no e disc R1(config-router)#no discard-route e R1(config-router)#no discard-route external R1(config-router)#^Z R1# *Mar 1 09:28:13.648: %SYS-5-CONFIG_I: Configured from console by console R1#sh run | b router router ospf 1 router-id 1.1.1.1 log-adjacency-changes no discard-route external area 51 nssa no-redistribution no-summary area 200 virtual-link 3.3.3.3 summary-address 200.1.0.0 255.255.252.0 summary-address 217.57.0.0 255.255.0.0 redistribute connected subnets tag 1 network 180.40.7.66 0.0.0.0 area 0 network 208.28.1.1 0.0.0.0 area 200 network 208.28.1.66 0.0.0.0 area 51 ! no ip http server ip classless ! ! ! ! ! ! ! ! --More--   R1# RACK14AS>2 [Resuming connection 2 to r2 ... ] R2#sh run | B rotuer    uter router ospf 1 router-id 2.2.2.2 log-adjacency-changes no discard-route external area 51 nssa no-redistribution no-summary area 200 virtual-link 3.3.3.3 summary-address 200.1.0.0 255.255.252.0 summary-address 217.57.0.0 255.255.0.0 redistribute connected subnets tag 2 network 180.40.7.2 0.0.0.0 area 200 network 180.40.7.65 0.0.0.0 area 0 network 208.28.1.3 0.0.0.0 area 200 network 208.28.1.129 0.0.0.0 area 51 ! ip classless ! no ip http server no ip http secure-server ! ! ! ! ! --More--   R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#no    router sp  p ospf 1 R2(config-router)#no summary-address 200.1.0.0 255.255.252.0 R2(config-router)#no summary-address 217.57.0.0 255.255.0.0 R2(config-router)#no    discard-route external R2(config-router)#^Z R2# RACK14AS>1 [Resuming connection 1 to r1 ... ] R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#router ospf 1 R1(config-router)#no summary-address 200.1.0.0 255.255.252.0 R1(config-router)#no summary-address 217.57.0.0 255.255.0.0 R1(config-router)#discard-route external R1(config-router)#^Z R1# RACK14AS>5 [Resuming connection 5 to r5 ... ] S5#config t Enter configuration commands, one per line. End with CNTL/Z. S5(config)#router ospf 1 S5(config-router)# summary-address 200.1.0.0 255.255.252.0 S5(config-router)# summary-address 217.57.0.0 255.255.0.0 S5(config-router)#do    do sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is 208.28.1.129 to network 0.0.0.0 R 200.1.1.0/24 [120/1] via 217.57.100.2, 00:00:19, Vlan16 R 200.1.2.0/24 [120/1] via 217.57.100.2, 00:00:19, Vlan16 C 217.57.100.0/24 is directly connected, Vlan16 R 200.1.3.0/24 [120/1] via 217.57.100.2, 00:00:19, Vlan16 208.28.1.0/24 is variably subnetted, 2 subnets, 2 masks C 208.28.1.128/27 is directly connected, Vlan20 C 208.28.1.64/28 is directly connected, Vlan10 O*IA 0.0.0.0/0 [110/2] via 208.28.1.129, 00:10:21, Vlan20 [110/2] via 208.28.1.66, 00:10:21, Vlan10 O 200.1.0.0/22 is a summary, 00:00:27, Null0 O 217.57.0.0/16 is a summary, 00:00:27, Null0 S5(config-router)# RACK14AS>6 [Resuming connection 6 to r6 ... ] S6#sh ip routeping 200.1.0.1 sou 200.1.1.1 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 200.1.0.1, timeout is 2 seconds: Packet sent with a source address of 200.1.1.1 ..... Success rate is 0 percent (0/5) S6# RACK14AS>5 [Resuming connection 5 to r5 ... ] S5(config-router)#no e disc S5(config-router)#no discard-route e S5(config-router)#no discard-route external S5(config-router)#^Z S5# RACK14AS>6 [Resuming connection 6 to r6 ... ] S6#ping 200.1.0.1 sou 200.1.1.1 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 200.1.0.1, timeout is 2 seconds: Packet sent with a source address of 200.1.1.1 !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 28/31/32 ms S6# RACK14AS>5 [Resuming connection 5 to r5 ... ] 09 S5#sh run | b r s   ospf router ospf 1 router-id 5.5.5.5 log-adjacency-changes no discard-route external area 51 nssa summary-address 200.1.0.0 255.255.252.0 summary-address 217.57.0.0 255.255.0.0 redistribute rip subnets network 208.28.1.65 0.0.0.0 area 51 network 208.28.1.130 0.0.0.0 area 51 ! router rip version 2 redistribute ospf 1 metric 3 network 217.57.100.0 no auto-summary ! ip classless ip http server ip http secure-server ! ! ! --More--   S5# S5# RACK14AS>1 [Resuming connection 1 to r1 ... ] *Mar R1#sh ip ospf day ta OSPF Router with ID (1.1.1.1) (Process ID 1) Router Link States (Area 0) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 1655 0x80000007 0x009F74 3 2.2.2.2 2.2.2.2 2 (DNA) 0x80000006 0x00A605 3 3.3.3.3 3.3.3.3 1 (DNA) 0x80000003 0x0014EC 2 Summary Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 17.80.1.0 3.3.3.3 61 (DNA) 0x80000001 0x008C41 180.40.7.0 1.1.1.1 409 0x80000002 0x0072B0 180.40.7.0 2.2.2.2 497 0x80000002 0x00D18D 180.40.7.0 3.3.3.3 61 (DNA) 0x80000001 0x00B5A6 208.28.1.0 1.1.1.1 1910 0x80000004 0x00C648 208.28.1.0 2.2.2.2 1758 0x80000004 0x00C377 208.28.1.0 3.3.3.3 61 (DNA) 0x80000001 0x00AB8E 208.28.1.64 1.1.1.1 979 0x80000009 0x00EB1C 208.28.1.64 2.2.2.2 984 0x80000001 0x008D86 208.28.1.128 1.1.1.1 985 0x80000001 0x0023BB --More--  208.28.1.128 2.2.2.2 2 (DNA) 0x80000001 0x00A044 Summary ASB Link States (Area 0) Link ID ADV Router Age Seq# Checksum 1.1.1.1 2.2.2.2 1881 0x80000002 0x00230A 1.1.1.1 3.3.3.3 61 (DNA) 0x80000001 0x00908B 2.2.2.2 1.1.1.1 1874 0x80000002 0x006DB6 2.2.2.2 3.3.3.3 61 (DNA) 0x80000001 0x0062B5 3.3.3.3 1.1.1.1 1164 0x80000002 0x005397 3.3.3.3 2.2.2.2 1258 0x80000002 0x0050C6 4.4.4.4 3.3.3.3 61 (DNA) 0x80000001 0x0072AC Router Link States (Area 51) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 827 0x80000005 0x000CA9 1 2.2.2.2 2.2.2.2 1000 0x80000004 0x002116 1 5.5.5.5 5.5.5.5 999 0x80000009 0x004F5C 2 Net Link States (Area 51) Link ID ADV Router Age Seq# Checksum --More--  208.28.1.65 5.5.5.5 1014 0x80000001 0x00AD3A 208.28.1.130 5.5.5.5 999 0x80000003 0x00EEC1 Summary Net Link States (Area 51) Link ID ADV Router Age Seq# Checksum 0.0.0.0 1.1.1.1 1024 0x80000001 0x001B17 0.0.0.0 2.2.2.2 1011 0x80000001 0x00FC31 Type-7 AS External Link States (Area 51) Link ID ADV Router Age Seq# Checksum Tag 200.1.0.0 5.5.5.5 243 0x80000001 0x005834 0 217.57.0.0 5.5.5.5 233 0x80000001 0x00E659 0 Router Link States (Area 200) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 910 0x80000004 0x002ED8 1 2.2.2.2 2.2.2.2 504 0x80000007 0x006CC8 3 3.3.3.3 3.3.3.3 1722 0x80000006 0x00E74A 3 Net Link States (Area 200) --More--   R1#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets O IA 17.80.1.0 [110/65] via 208.28.1.2, 00:13:56, Serial0/0.1 33.0.0.0/24 is subnetted, 1 subnets O E2 33.33.33.0 [110/20] via 208.28.1.2, 00:13:56, Serial0/0.1 O E2 200.1.0.0/24 [110/20] via 208.28.1.2, 00:13:56, Serial0/0.1 22.0.0.0/24 is subnetted, 1 subnets O E2 22.22.22.0 [110/20] via 208.28.1.3, 00:13:56, Serial0/0.1 [110/20] via 180.40.7.65, 00:13:56, Serial0/0.2 [110/20] via 208.28.1.65, 00:13:56, Ethernet0/0 11.0.0.0/24 is subnetted, 1 subnets C 11.11.11.0 is directly connected, Loopback0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O 208.28.1.128/27 [110/11] via 208.28.1.65, 00:13:57, Ethernet0/0 --More--  C 208.28.1.64/28 is directly connected, Ethernet0/0 C 208.28.1.0/29 is directly connected, Serial0/0.1 180.40.0.0/27 is subnetted, 2 subnets O 180.40.7.0 [110/845] via 208.28.1.3, 00:17:16, Serial0/0.1 [110/845] via 208.28.1.2, 00:17:16, Serial0/0.1 C 180.40.7.64 is directly connected, Serial0/0.2 O E2 200.1.0.0/22 [110/20] via 208.28.1.65, 00:04:13, Ethernet0/0 O E2 217.57.0.0/16 [110/20] via 208.28.1.65, 00:04:03, Ethernet0/0 R1# RACK14AS>2 [Resuming connection 2 to r2 ... ] *Ma R2#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets O IA 17.80.1.0 [110/782] via 180.40.7.3, 00:14:06, Serial1/2 33.0.0.0/24 is subnetted, 1 subnets O E2 33.33.33.0 [110/20] via 208.28.1.2, 00:14:06, Serial1/0.1 [110/20] via 180.40.7.3, 00:14:06, Serial1/2 O E2 200.1.0.0/24 [110/20] via 180.40.7.3, 00:14:06, Serial1/2 22.0.0.0/24 is subnetted, 1 subnets C 22.22.22.0 is directly connected, Loopback0 11.0.0.0/24 is subnetted, 1 subnets O E2 11.11.11.0 [110/20] via 208.28.1.1, 00:14:07, Serial1/0.1 [110/20] via 180.40.7.66, 00:14:07, Serial1/0.2 [110/20] via 208.28.1.130, 00:14:07, FastEthernet0/1 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks --More--  C 208.28.1.128/27 is directly connected, FastEthernet0/1 O 208.28.1.64/28 [110/2] via 208.28.1.130, 00:14:07, FastEthernet0/1 C 208.28.1.0/29 is directly connected, Serial1/0.1 180.40.0.0/27 is subnetted, 2 subnets C 180.40.7.0 is directly connected, Serial1/2 C 180.40.7.64 is directly connected, Serial1/0.2 O N2 200.1.0.0/22 [110/20] via 208.28.1.130, 00:04:23, FastEthernet0/1 O N2 217.57.0.0/16 [110/20] via 208.28.1.130, 00:04:13, FastEthernet0/1 R2# R2# R2#sh p   ip ospf Routing Process "ospf 1" with ID 2.2.2.2 Supports only single TOS(TOS0) routes Supports opaque LSA Supports Link-local Signaling (LLS) It is an area border and autonomous system boundary router Redistributing External Routes from, connected, includes subnets in redistribution Initial SPF schedule delay 5000 msecs Minimum hold time between two consecutive SPFs 10000 msecs Maximum wait time between two consecutive SPFs 10000 msecs Minimum LSA interval 5 secs. Minimum LSA arrival 1 secs LSA group pacing timer 240 secs Interface flood pacing timer 33 msecs Retransmission pacing timer 66 msecs Number of external LSA 6. Checksum Sum 0x02A808 Number of opaque AS LSA 0. Checksum Sum 0x000000 Number of DCbitless external and opaque AS LSA 0 Number of DoNotAge external and opaque AS LSA 0 Number of areas in this router is 3. 2 normal 0 stub 1 nssa External flood list length 0 Area BACKBONE(0) Number of interfaces in this area is 2 Area has no authentication --More--   R2#^x1 % Unknown command or computer name, or unable to find computer address R2# RACK14AS>1 [Resuming connection 1 to r1 ... ] R1#sh ip ospf Routing Process "ospf 1" with ID 1.1.1.1 Supports only single TOS(TOS0) routes Supports opaque LSA Supports Link-local Signaling (LLS) It is an area border and autonomous system boundary router Redistributing External Routes from, connected, includes subnets in redistribution Initial SPF schedule delay 5000 msecs Minimum hold time between two consecutive SPFs 10000 msecs Maximum wait time between two consecutive SPFs 10000 msecs Minimum LSA interval 5 secs. Minimum LSA arrival 1 secs LSA group pacing timer 240 secs Interface flood pacing timer 33 msecs Retransmission pacing timer 66 msecs Number of external LSA 6. Checksum Sum 0x02A808 Number of opaque AS LSA 0. Checksum Sum 0x000000 Number of DCbitless external and opaque AS LSA 0 Number of DoNotAge external and opaque AS LSA 0 Number of areas in this router is 3. 2 normal 0 stub 1 nssa External flood list length 0 Area BACKBONE(0) Number of interfaces in this area is 2 Area has no authentication --More--   R1#confi t Enter configuration commands, one per line. End with CNTL/Z. R1(config)# R1(config)# R1(config)#rotuer      uter ospf 1 R1(config-router)#rout R1(config-router)#router-id 11.11.11.11 Reload or use "clear ip ospf process" command, for this to take effect R1(config-router)#^Z R1#c =  *Mar 1 09:35:19.326: %SYS-5-CONFIG_I: Configured from console by console R1# RACK14AS>3 [Resuming connection 3 to r3 ... ] R3#confi gt ^ % Invalid input detected at '^' marker. R3#router os    ospf 1 ^ % Invalid input detected at '^' marker. R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#router ospf 1 R3(config-router)#no area 200 vir R3(config-router)#no area 200 virtual-link 1.1.1.1 R3(config-router)#no area 200 virtual-link 1.1.1.1 *Mar 1 09:36:30.787: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on OSPF_VL1 from FULL to DOWN, Neighbor Down: Interface down or detached R3(config-router)#no area 200 virtual-link 1.1.1.1 *Mar 1 09:36:31.392: %OSPF-4-ERRRCV: Received invalid packet: mismatch area ID, from backbone area must be virtual-link but not found from 208.28.1.1, Serial1/0 R3(config-router)#no area 200 virtual-link 1.1.1.111.111.11.111.11.11.11o *Mar 1 09:36:40.947: %OSPF-4-ERRRCV: Received invalid packet: mismatch area ID, from backbone area must be virtual-link but not found from 208.28.1.1, Serial1/0 R3(config-router)#no area 200 virtual-link 11.11.11.11 area 200 virtual-link 11.11.11.11  area 200 virtual-link 11.11.11.11  R3(config-router)#^Z R3# *Mar 1 09:36:43.992: %SYS-5-CONFIG_I: Configured from console by console R3# *Mar 1 09:36:50.074: %OSPF-4-ERRRCV: Received invalid packet: mismatch area ID, from backbone area must be virtual-link but not found from 208.28.1.1, Serial1/0 R3# RACK14AS>1 [Resuming connection 1 to r1 ... ] R1#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets O IA 17.80.1.0 [110/846] via 180.40.7.65, 00:00:21, Serial0/0.2 33.0.0.0/24 is subnetted, 1 subnets O E2 33.33.33.0 [110/20] via 208.28.1.2, 00:00:21, Serial0/0.1 O E2 200.1.0.0/24 [110/20] via 180.40.7.65, 00:00:21, Serial0/0.2 22.0.0.0/24 is subnetted, 1 subnets O E2 22.22.22.0 [110/20] via 208.28.1.3, 00:00:21, Serial0/0.1 [110/20] via 180.40.7.65, 00:00:21, Serial0/0.2 [110/20] via 208.28.1.65, 00:00:21, Ethernet0/0 11.0.0.0/24 is subnetted, 1 subnets C 11.11.11.0 is directly connected, Loopback0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O 208.28.1.128/27 [110/11] via 208.28.1.65, 00:17:48, Ethernet0/0 --More--  C 208.28.1.64/28 is directly connected, Ethernet0/0 C 208.28.1.0/29 is directly connected, Serial0/0.1 180.40.0.0/27 is subnetted, 2 subnets O 180.40.7.0 [110/845] via 208.28.1.3, 00:21:07, Serial0/0.1 [110/845] via 208.28.1.2, 00:21:07, Serial0/0.1 C 180.40.7.64 is directly connected, Serial0/0.2 O E2 200.1.0.0/22 [110/20] via 208.28.1.65, 00:00:23, Ethernet0/0 O E2 217.57.0.0/16 [110/20] via 208.28.1.65, 00:00:23, Ethernet0/0 R1#sh ip so  ospf data OSPF Router with ID (1.1.1.1) (Process ID 1) Router Link States (Area 0) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 1926 0x80000007 0x009F74 3 2.2.2.2 2.2.2.2 18 0x80000007 0x00A406 3 3.3.3.3 3.3.3.3 2 (DNA) 0x80000004 0x00A371 1 Summary Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 17.80.1.0 3.3.3.3 61 (DNA) 0x80000001 0x008C41 180.40.7.0 1.1.1.1 681 0x80000002 0x0072B0 180.40.7.0 2.2.2.2 769 0x80000002 0x00D18D 180.40.7.0 3.3.3.3 61 (DNA) 0x80000001 0x00B5A6 208.28.1.0 1.1.1.1 169 0x80000005 0x00C449 208.28.1.0 2.2.2.2 18 0x80000005 0x00C178 208.28.1.0 3.3.3.3 61 (DNA) 0x80000001 0x00AB8E 208.28.1.64 1.1.1.1 1250 0x80000009 0x00EB1C 208.28.1.64 2.2.2.2 1255 0x80000001 0x008D86 208.28.1.128 1.1.1.1 1256 0x80000001 0x0023BB --More--  208.28.1.128 2.2.2.2 2 (DNA) 0x80000001 0x00A044 Summary ASB Link States (Area 0) Link ID ADV Router Age Seq# Checksum 1.1.1.1 2.2.2.2 269 0x80000003 0x00210B 1.1.1.1 3.3.3.3 61 (DNA) 0x80000001 0x00908B 2.2.2.2 1.1.1.1 170 0x80000003 0x006BB7 2.2.2.2 3.3.3.3 61 (DNA) 0x80000001 0x0062B5 3.3.3.3 1.1.1.1 1434 0x80000002 0x005397 3.3.3.3 2.2.2.2 1528 0x80000002 0x0050C6 4.4.4.4 3.3.3.3 61 (DNA) 0x80000001 0x0072AC Router Link States (Area 51) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 1098 0x80000005 0x000CA9 1 2.2.2.2 2.2.2.2 1270 0x80000004 0x002116 1 5.5.5.5 5.5.5.5 1271 0x80000009 0x004F5C 2 Net Link States (Area 51) Link ID ADV Router Age Seq# Checksum --More--  208.28.1.65 5.5.5.5 1286 0x80000001 0x00AD3A 208.28.1.130 5.5.5.5 1267 0x80000003 0x00EEC1 Summary Net Link States (Area 51) Link ID ADV Router Age Seq# Checksum 0.0.0.0 1.1.1.1 1292 0x80000001 0x001B17 0.0.0.0 2.2.2.2 1279 0x80000001 0x00FC31 Type-7 AS External Link States (Area 51) Link ID ADV Router Age Seq# Checksum Tag 200.1.0.0 5.5.5.5 511 0x80000001 0x005834 0 217.57.0.0 5.5.5.5 501 0x80000001 0x00E659 0 Router Link States (Area 200) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 1178 0x80000004 0x002ED8 1 2.2.2.2 2.2.2.2 773 0x80000007 0x006CC8 3 3.3.3.3 3.3.3.3 3 0x80000007 0x00E54B 3 Net Link States (Area 200) --More--   Link ID ADV Router Age Seq# Checksum 208.28.1.2 3.3.3.3 3 0x80000004 0x002FF6 Summary Net Link States (Area 200) Link ID ADV Router Age Seq# Checksum 17.80.1.0 1.1.1.1 49 0x80000002 0x00E69D 17.80.1.0 2.2.2.2 22 0x80000002 0x00467A 17.80.1.0 3.3.3.3 3 0x80000002 0x008A42 180.40.7.64 1.1.1.1 684 0x80000003 0x0050A1 180.40.7.64 2.2.2.2 1793 0x80000006 0x0047D3 180.40.7.64 3.3.3.3 3 0x80000003 0x00CC3D 208.28.1.64 1.1.1.1 1253 0x8000000A 0x00E91D 208.28.1.64 2.2.2.2 1260 0x80000002 0x008B87 208.28.1.64 3.3.3.3 1254 0x80000008 0x00FEF9 208.28.1.128 1.1.1.1 1260 0x80000001 0x0023BB 208.28.1.128 2.2.2.2 1261 0x80000001 0x00A044 208.28.1.128 3.3.3.3 1255 0x80000006 0x0016B5 Summary ASB Link States (Area 200) Link ID ADV Router Age Seq# Checksum --More--  1.1.1.1 2.2.2.2 273 0x80000003 0x00210B 1.1.1.1 3.3.3.3 5 0x80000003 0x002ADF 2.2.2.2 1.1.1.1 174 0x80000003 0x006BB7 2.2.2.2 3.3.3.3 5 0x80000002 0x0060B6 3.3.3.3 1.1.1.1 51 0x80000002 0x00F0E9 3.3.3.3 2.2.2.2 25 0x80000002 0x0050C6 4.4.4.4 1.1.1.1 51 0x80000002 0x00CC09 4.4.4.4 2.2.2.2 25 0x80000002 0x002CE5 4.4.4.4 3.3.3.3 5 0x80000002 0x0070AD Type-5 AS External Link States Link ID ADV Router Age Seq# Checksum Tag 11.11.11.0 1.1.1.1 1182 0x80000002 0x004C2D 1 22.22.22.0 2.2.2.2 1287 0x80000002 0x00B2A0 2 33.33.33.0 3.3.3.3 1485 0x80000002 0x001914 3 200.1.0.0 2.2.2.2 516 0x80000002 0x00455C 0 200.1.0.0 4.4.4.4 580 0x80000002 0x00774A 4 217.57.0.0 2.2.2.2 507 0x80000002 0x00D381 0 R1#  clea ip ospf pr Reset ALL OSPF processes? [no]: y R1# *Mar 1 09:39:06.935: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on OSPF_VL1 from FULL to DOWN, Neighbor Down: Interface down or detached *Mar 1 09:39:06.935: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial0/0.2 from FULL to DOWN, Neighbor Down: Interface down or detached *Mar 1 09:39:06.987: %OSPF-5-ADJCHG: Process 1, Nbr 5.5.5.5 on Ethernet0/0 from FULL to DOWN, Neighbor Down: Interface down or detached *Mar 1 09:39:07.035: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on Serial0/0.1 from FULL to DOWN, Neighbor Down: Interface down or detached R1# *Mar 1 09:39:07.067: %OSPF-3-RECONF_VL: OSPF process 1 is changing router-id. Reconfigure virtual link neighbors with our new router-id R1# *Mar 1 09:39:09.627: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial0/0.2 from LOADING to FULL, Loading Done R1# *Mar 1 09:39:46.103: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on Serial0/0.1 from LOADING to FULL, Loading Done *Mar 1 09:39:47.081: %OSPF-5-ADJCHG: Process 1, Nbr 5.5.5.5 on Ethernet0/0 from LOADING to FULL, Loading Done R1#sh ip pos   ospf nei Neighbor ID Pri State Dead Time Address Interface 2.2.2.2 0 FULL/ - 00:00:35 180.40.7.65 Serial0/0.2 5.5.5.5 1 FULL/DR 00:00:36 208.28.1.65 Ethernet0/0 3.3.3.3 1 FULL/DR 00:01:52 208.28.1.2 Serial0/0.1 R1#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 2.2.2.2 0 FULL/ - 00:00:38 180.40.7.65 Serial0/0.2 5.5.5.5 1 FULL/DR 00:00:34 208.28.1.65 Ethernet0/0 3.3.3.3 1 FULL/DR 00:01:58 208.28.1.2 Serial0/0.1 R1#sh ip ospf data OSPF Router with ID (11.11.11.11) (Process ID 1) Router Link States (Area 0) Link ID ADV Router Age Seq# Checksum Link count 2.2.2.2 2.2.2.2 56 0x80000009 0x00D7A8 3 3.3.3.3 3.3.3.3 2 (DNA) 0x80000004 0x00A371 1 11.11.11.11 11.11.11.11 56 0x80000002 0x0067AD 2 Summary Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 17.80.1.0 3.3.3.3 63 (DNA) 0x80000001 0x008C41 180.40.7.0 2.2.2.2 862 0x80000002 0x00D18D 180.40.7.0 3.3.3.3 63 (DNA) 0x80000001 0x00B5A6 180.40.7.0 11.11.11.11 8 0x80000001 0x0047B4 208.28.1.0 2.2.2.2 112 0x80000005 0x00C178 208.28.1.0 3.3.3.3 63 (DNA) 0x80000001 0x00AB8E 208.28.1.0 11.11.11.11 8 0x80000001 0x009F4A 208.28.1.64 2.2.2.2 1349 0x80000001 0x008D86 208.28.1.64 11.11.11.11 8 0x80000001 0x00CE19 208.28.1.128 2.2.2.2 1351 0x80000001 0x00A044 --More--  208.28.1.128 11.11.11.11 9 0x80000001 0x00F5C0 Summary ASB Link States (Area 0) Link ID ADV Router Age Seq# Checksum 1.1.1.1 2.2.2.2 364 0x80000003 0x00210B 2.2.2.2 3.3.3.3 63 (DNA) 0x80000001 0x0062B5 2.2.2.2 11.11.11.11 9 0x80000001 0x005671 3.3.3.3 2.2.2.2 1623 0x80000002 0x0050C6 3.3.3.3 11.11.11.11 9 0x80000001 0x00289B 4.4.4.4 3.3.3.3 63 (DNA) 0x80000001 0x0072AC 11.11.11.11 2.2.2.2 10 0x80000001 0x00E017 11.11.11.11 3.3.3.3 2 (DNA) 0x80000001 0x00C231 Router Link States (Area 51) Link ID ADV Router Age Seq# Checksum Link count 2.2.2.2 2.2.2.2 1365 0x80000004 0x002116 1 5.5.5.5 5.5.5.5 1365 0x80000009 0x004F5C 2 11.11.11.11 11.11.11.11 24 0x80000002 0x001751 1 Net Link States (Area 51) --More--  Link ID ADV Router Age Seq# Checksum 208.28.1.65 5.5.5.5 24 0x80000002 0x00A11D 208.28.1.130 5.5.5.5 1361 0x80000003 0x00EEC1 Summary Net Link States (Area 51) Link ID ADV Router Age Seq# Checksum 0.0.0.0 2.2.2.2 1373 0x80000001 0x00FC31 0.0.0.0 11.11.11.11 64 0x80000001 0x00ED1C Type-7 AS External Link States (Area 51) Link ID ADV Router Age Seq# Checksum Tag 200.1.0.0 5.5.5.5 605 0x80000001 0x005834 0 217.57.0.0 5.5.5.5 595 0x80000001 0x00E659 0 Router Link States (Area 200) Link ID ADV Router Age Seq# Checksum Link count 2.2.2.2 2.2.2.2 866 0x80000007 0x006CC8 3 3.3.3.3 3.3.3.3 97 0x80000007 0x00E54B 3 11.11.11.11 11.11.11.11 26 0x80000002 0x003781 1 --More--   Net Link States (Area 200) Link ID ADV Router Age Seq# Checksum 208.28.1.2 3.3.3.3 26 0x80000006 0x0021DA Summary Net Link States (Area 200) Link ID ADV Router Age Seq# Checksum 17.80.1.0 2.2.2.2 116 0x80000002 0x00467A 17.80.1.0 3.3.3.3 97 0x80000002 0x008A42 17.80.1.0 11.11.11.11 50 0x80000001 0x00BBA1 180.40.7.64 2.2.2.2 1887 0x80000006 0x0047D3 180.40.7.64 3.3.3.3 97 0x80000003 0x00CC3D 180.40.7.64 11.11.11.11 60 0x80000001 0x0027A4 208.28.1.64 2.2.2.2 1354 0x80000002 0x008B87 208.28.1.64 3.3.3.3 1348 0x8 *Mar 1 09:40:11.537: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on OSPF_VL1 from LOADING to FULL, Loading Done0000008 0x00FEF9 208.28.1.64 11.11.11.11 13 0x80000001 0x00CE19 208.28.1.128 2.2.2.2 1355 0x80000001 0x00A044 208.28.1.128 3.3.3.3 1350 0x80000006 0x0016B5 208.28.1.128 11.11.11.11 13 0x80000002 0x00F3C1 Summary ASB Link States (Area 200) --More--  Link ID ADV Router Age Seq# Checksum 1.1.1.1 3.3.3.3 57 0x80000005 0x009C79 1.1.1.1 11.11.11.11 52 0x80000001 0x009831 2.2.2.2 3.3.3.3 99 0x80000002 0x0060B6 2.2.2.2 11.11.11.11 52 0x80000001 0x005671 3.3.3.3 2.2.2.2 118 0x80000002 0x0050C6 3.3.3.3 11.11.11.11 52 0x80000001 0x00C5ED 4.4.4.4 2.2.2.2 118 0x80000002 0x002CE5 4.4.4.4 3.3.3.3 99 0x80000002 0x0070AD 4.4.4.4 11.11.11.11 52 0x80000001 0x00A10D 11.11.11.11 2.2.2.2 53 0x80000001 0x00E017 11.11.11.11 3.3.3.3 53 0x80000001 0x006083 Type-5 AS External Link States Link ID ADV Router Age Seq# Checksum Tag 11.11.11.0 11.11.11.11 67 0x80000001 0x002131 1 22.22.22.0 2.2.2.2 1381 0x80000002 0x00B2A0 2 33.33.33.0 3.3.3.3 1578 0x80000002 0x001914 3 200.1.0.0 4.4.4.4 675 0x80000002 0x00774A 4 200.1.0.0 11.11.11.11 3 0x80000001 0x003846 0 217.57.0.0 11.11.11.11 3 0x80000001 0x00C66B 0 R1#        R1# R1#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets O IA 17.80.1.0 [110/65] via 208.28.1.2, 00:00:11, Serial0/0.1 33.0.0.0/24 is subnetted, 1 subnets O E2 33.33.33.0 [110/20] via 208.28.1.2, 00:00:01, Serial0/0.1 O E2 200.1.0.0/24 [110/20] via 208.28.1.2, 00:00:01, Serial0/0.1 22.0.0.0/24 is subnetted, 1 subnets O E2 22.22.22.0 [110/20] via 180.40.7.65, 00:00:01, Serial0/0.2 [110/20] via 208.28.1.65, 00:00:01, Ethernet0/0 [110/20] via 208.28.1.3, 00:00:01, Serial0/0.1 11.0.0.0/24 is subnetted, 1 subnets C 11.11.11.0 is directly connected, Loopback0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O 208.28.1.128/27 [110/11] via 208.28.1.65, 00:00:32, Ethernet0/0 --More--  C 208.28.1.64/28 is directly connected, Ethernet0/0 C 208.28.1.0/29 is directly connected, Serial0/0.1 180.40.0.0/27 is subnetted, 2 subnets O 180.40.7.0 [110/845] via 208.28.1.2, 00:00:32, Serial0/0.1 [110/845] via 208.28.1.3, 00:00:32, Serial0/0.1 C 180.40.7.64 is directly connected, Serial0/0.2 O N2 200.1.0.0/22 [110/20] via 208.28.1.65, 00:00:02, Ethernet0/0 O N2 217.57.0.0/16 [110/20] via 208.28.1.65, 00:00:02, Ethernet0/0 R1# R1# R1# R1# RACK14AS>2 [Resuming connection 2 to r2 ... ] *Mar R2#sh r ip orute ^ % Invalid input detected at '^' marker. R2#sh ip rotue ^ % Invalid input detected at '^' marker. R2#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets O IA 17.80.1.0 [110/782] via 180.40.7.3, 00:00:31, Serial1/2 33.0.0.0/24 is subnetted, 1 subnets O E2 33.33.33.0 [110/20] via 208.28.1.2, 00:00:21, Serial1/0.1 [110/20] via 180.40.7.3, 00:00:21, Serial1/2 O E2 200.1.0.0/24 [110/20] via 180.40.7.3, 00:00:21, Serial1/2 22.0.0.0/24 is subnetted, 1 subnets C 22.22.22.0 is directly connected, Loopback0 11.0.0.0/24 is subnetted, 1 subnets O E2 11.11.11.0 [110/20] via 180.40.7.66, 00:00:22, Serial1/0.2 [110/20] via 208.28.1.130, 00:00:22, FastEthernet0/1 [110/20] via 208.28.1.1, 00:00:22, Serial1/0.1 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks --More--  C 208.28.1.128/27 is directly connected, FastEthernet0/1 O 208.28.1.64/28 [110/2] via 208.28.1.130, 00:00:53, FastEthernet0/1 C 208.28.1.0/29 is directly connected, Serial1/0.1 180.40.0.0/27 is subnetted, 2 subnets C 180.40.7.0 is directly connected, Serial1/2 C 180.40.7.64 is directly connected, Serial1/0.2 O E2 200.1.0.0/22 [110/20] via 208.28.1.130, 00:00:23, FastEthernet0/1 O E2 217.57.0.0/16 [110/20] via 208.28.1.130, 00:00:23, FastEthernet0/1 R2# RACK14AS>1 [Resuming connection 1 to r1 ... ] R1#sh run | b router router ospf 1 router-id 11.11.11.11 log-adjacency-changes area 51 nssa no-redistribution no-summary area 200 virtual-link 3.3.3.3 redistribute connected subnets tag 1 network 180.40.7.66 0.0.0.0 area 0 network 208.28.1.1 0.0.0.0 area 200 network 208.28.1.66 0.0.0.0 area 51 ! no ip http server ip classless ! ! ! ! ! ! ! ! line con 0 exec-timeout 0 0 logging synchronous --More--   R1# RACK14AS>5 [Resuming connection 5 to r5 ... ] 09:4 S5#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is 208.28.1.129 to network 0.0.0.0 R 200.1.1.0/24 [120/1] via 217.57.100.2, 00:00:14, Vlan16 R 200.1.2.0/24 [120/1] via 217.57.100.2, 00:00:14, Vlan16 C 217.57.100.0/24 is directly connected, Vlan16 R 200.1.3.0/24 [120/1] via 217.57.100.2, 00:00:14, Vlan16 208.28.1.0/24 is variably subnetted, 2 subnets, 2 masks C 208.28.1.128/27 is directly connected, Vlan20 C 208.28.1.64/28 is directly connected, Vlan10 O*IA 0.0.0.0/0 [110/2] via 208.28.1.129, 00:01:44, Vlan20 [110/2] via 208.28.1.66, 00:01:44, Vlan10 S5#  config t Enter configuration commands, one per line. End with CNTL/Z. S5(config)#route osp    r ospf 1 S5(config-router)#disc S5(config-router)#discard-route            tan S5(config-router)#distance ? <1-255> Administrative distance ospf OSPF distance S5(config-router)#distance 109 ? A.B.C.D IP Source address S5(config-router)#distance 109 2.2.2.2 ? A.B.C.D Wildcard bits S5(config-router)#distance 109 2.2.2.2 0.0.0.0 ? <1-99> IP Standard access list number <1300-1999> IP Standard expanded access list number WORD Standard access-list name S5(config-router)#distance 109 2.2.2.2 0.0.0.0 S5(config-router)#^Z S5#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resor 09:44:48: %SYS-5-CONFIG_I: Configured from console by consolet is 208.28.1.129 to network 0.0.0.0 R 200.1.1.0/24 [120/1] via 217.57.100.2, 00:00:28, Vlan16 R 200.1.2.0/24 [120/1] via 217.57.100.2, 00:00:28, Vlan16 C 217.57.100.0/24 is directly connected, Vlan16 R 200.1.3.0/24 [120/1] via 217.57.100.2, 00:00:28, Vlan16 208.28.1.0/24 is variably subnetted, 2 subnets, 2 masks C 208.28.1.128/27 is directly connected, Vlan20 C 208.28.1.64/28 is directly connected, Vlan10 O*IA 0.0.0.0/0 [109/2] via 208.28.1.129, 00:00:09, Vlan20 S5# sh run | b router router ospf 1 router-id 5.5.5.5 log-adjacency-changes no discard-route external area 51 nssa summary-address 200.1.0.0 255.255.252.0 summary-address 217.57.0.0 255.255.0.0 redistribute rip subnets network 208.28.1.65 0.0.0.0 area 51 network 208.28.1.130 0.0.0.0 area 51 distance 109 2.2.2.2 0.0.0.0 ! router rip version 2 redistribute ospf 1 metric 3 network 217.57.100.0 no auto-summary ! ip classless ip http server ip http secure-server ! ! --More--   S5#config t Enter configuration commands, one per line. End with CNTL/Z. S5(config)#router ospf 1 S5(config-router)#router ospf 1distance 109 2.2.2.2 0.0.0.0 ndistance 109 2.2.2.2 0.0.0.0 odistance 109 2.2.2.2 0.0.0.0  distance 109 2.2.2.2 0.0.0.0  S5(config-router)#^Z S5# RACK14AS>2 [Resuming connection 2 to r2 ... ] R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#router ospf 1 R2(config-router)#area 6 51 ? authentication Enable authentication default-cost Set the summary default-cost of a NSSA/stub area filter-list Filter networks between OSPF areas nssa Specify a NSSA area range Summarize routes matching address/mask (border routers only) sham-link Define a sham link and its parameters stub Specify a stub area virtual-link Define a virtual link and its parameters R2(config-router)#area 51 def R2(config-router)#area 51 default-cost ? <0-16777215> Stub's advertised external route metric R2(config-router)#area 51 default-cost 0 R2(config-router)#^Z R2# RACK14AS>5 [Resuming connection 5 to r5 ... ] 09:4 S5#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is 208.28.1.129 to network 0.0.0.0 R 200.1.1.0/24 [120/1] via 217.57.100.2, 00:00:19, Vlan16 R 200.1.2.0/24 [120/1] via 217.57.100.2, 00:00:19, Vlan16 C 217.57.100.0/24 is directly connected, Vlan16 R 200.1.3.0/24 [120/1] via 217.57.100.2, 00:00:19, Vlan16 208.28.1.0/24 is variably subnetted, 2 subnets, 2 masks C 208.28.1.128/27 is directly connected, Vlan20 C 208.28.1.64/28 is directly connected, Vlan10 O*IA 0.0.0.0/0 [110/1] via 208.28.1.129, 00:00:06, Vlan20 S5#  sh ip ospf data OSPF Router with ID (5.5.5.5) (Process ID 1) Router Link States (Area 51) Link ID ADV Router Age Seq# Checksum Link count 2.2.2.2 2.2.2.2 1612 0x80000004 0x002116 1 5.5.5.5 5.5.5.5 1612 0x80000009 0x004F5C 2 11.11.11.11 11.11.11.11 270 0x80000002 0x001751 1 Net Link States (Area 51) Link ID ADV Router Age Seq# Checksum 208.28.1.65 5.5.5.5 270 0x80000002 0x00A11D 208.28.1.130 5.5.5.5 1608 0x80000003 0x00EEC1 Summary Net Link States (Area 51) Link ID ADV Router Age Seq# Checksum 0.0.0.0 2.2.2.2 19 0x80000002 0x00F03D 0.0.0.0 11.11.11.11 311 0x80000001 0x00ED1C Type-7 AS External Link States (Area 51) --More--   S5#sh ip ospf data sum 0.0.0.0 OSPF Router with ID (5.5.5.5) (Process ID 1) Summary Net Link States (Area 51) Routing Bit Set on this LSA LS age: 28 Options: (No TOS-capability, DC, Upward) LS Type: Summary Links(Network) Link State ID: 0.0.0.0 (summary Network Number) Advertising Router: 2.2.2.2 LS Seq Number: 80000002 Checksum: 0xF03D Length: 28 Network Mask: /0 TOS: 0 Metric: 0 --More--   LS age: 320 Options: (No TOS-capability, DC, Upward) LS Type: Summary Links(Network) Link State ID: 0.0.0.0 (summary Network Number) Advertising Router: 11.11.11.11 LS Seq Number: 80000001 Checksum: 0xED1C Length: 28 Network Mask: /0 TOS: 0 Metric: 1 S5#sh ip ospf int Vlan10 is up, line protocol is up Internet Address 208.28.1.65/28, Area 51 Process ID 1, Router ID 5.5.5.5, Network Type BROADCAST, Cost: 1 Transmit Delay is 1 sec, State DR, Priority 1 Designated Router (ID) 5.5.5.5, Interface address 208.28.1.65 Backup Designated router (ID) 11.11.11.11, Interface address 208.28.1.66 Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 oob-resync timeout 40 Hello due in 00:00:04 Supports Link-local Signaling (LLS) Index 1/1, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 7 Last flood scan time is 0 msec, maximum is 4 msec Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 11.11.11.11 (Backup Designated Router) Suppress hello for 0 neighbor(s) Vlan20 is up, line protocol is up Internet Address 208.28.1.130/27, Area 51 Process ID 1, Router ID 5.5.5.5, Network Type BROADCAST, Cost: 1 Transmit Delay is 1 sec, State DR, Priority 1 Designated Router (ID) 5.5.5.5, Interface address 208.28.1.130 Backup Designated router (ID) 2.2.2.2, Interface address 208.28.1.129 --More--   S5#sh ip nt vlan 10 Vlan10 is up, line protocol is up Hardware is EtherSVI, address is 0014.a859.cc00 (bia 0014.a859.cc00) Internet address is 208.28.1.65/28 MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec, reliability 255/255, txload 1/255, rxload 1/255 Encapsulation ARPA, loopback not set ARP type: ARPA, ARP Timeout 04:00:00 Last input 00:00:06, output 00:00:05, output hang never Last clearing of "show interface" counters never Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 3 Queueing strategy: fifo Output queue: 0/40 (size/max) 5 minute input rate 0 bits/sec, 0 packets/sec 5 minute output rate 0 bits/sec, 0 packets/sec 368 packets input, 37554 bytes, 0 no buffer Received 0 broadcasts (0 IP multicast) 0 runts, 0 giants, 0 throttles 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored 400 packets output, 39104 bytes, 0 underruns 0 output errors, 0 interface resets 0 output buffer failures, 0 output buffers swapped out S5#q  RACK14AS>2 [Resuming connection 2 to r2 ... ] *Ma R2#sh run | b rotuer R2#sh run | b rotuer     uoter     outer router ospf 1 router-id 2.2.2.2 log-adjacency-changes area 51 nssa no-redistribution no-summary area 51 default-cost 0 area 200 virtual-link 3.3.3.3 redistribute connected subnets tag 2 network 180.40.7.2 0.0.0.0 area 200 network 180.40.7.65 0.0.0.0 area 0 network 208.28.1.3 0.0.0.0 area 200 network 208.28.1.129 0.0.0.0 area 51 ! ip classless ! no ip http server no ip http secure-server ! ! ! ! ! ! ! --More--   R2# RACK14AS>4 [Resuming connection 4 to r4 ... ] R4#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets C 17.80.1.0 is directly connected, FastEthernet0/0 33.0.0.0/24 is subnetted, 1 subnets O E2 33.33.33.0 [110/20] via 17.80.1.1, 00:09:12, FastEthernet0/0 C 200.1.0.0/24 is directly connected, Loopback0 22.0.0.0/24 is subnetted, 1 subnets O E2 22.22.22.0 [110/20] via 17.80.1.1, 00:09:12, FastEthernet0/0 11.0.0.0/24 is subnetted, 1 subnets O E2 11.11.11.0 [110/20] via 17.80.1.1, 00:09:12, FastEthernet0/0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/783] via 17.80.1.1, 00:31:35, FastEthernet0/0 O IA 208.28.1.64/28 [110/784] via 17.80.1.1, 00:31:35, FastEthernet0/0 O IA 208.28.1.0/29 [110/782] via 17.80.1.1, 00:43:47, FastEthernet0/0 --More--   180.40.0.0/27 is subnetted, 2 subnets O IA 180.40.7.0 [110/782] via 17.80.1.1, 00:43:48, FastEthernet0/0 O IA 180.40.7.64 [110/846] via 17.80.1.1, 00:08:59, FastEthernet0/0 O E2 200.1.0.0/22 [110/20] via 17.80.1.1, 00:09:08, FastEthernet0/0 O E2 217.57.0.0/16 [110/20] via 17.80.1.1, 00:09:07, FastEthernet0/0 R4# RACK14AS>5 [Resuming connection 5 to r5 ... ] S5#confi gt ^ % Invalid input detected at '^' marker. S5#confi g ^ % Invalid input detected at '^' marker. S5#config t Enter configuration commands, one per line. End with CNTL/Z. S5(config)#ip pre S5(config)#ip prefix-list ? WORD Name of a prefix list sequence-number Include/exclude sequence numbers in NVGEN S5(config)#ip prefix-list Prob8 ? deny Specify packets to reject description Prefix-list specific description permit Specify packets to forward seq sequence number of an entry S5(config)#ip prefix-list Prob8 per 217.57.0.0/16   6    16 le 24 S5(config)#route-map Prob8 S5(config-route-map)#match ip add pr S5(config-route-map)#match ip add prefix-list Prob8 S5(config-route-map)#set me S5(config-route-map)#set metric- S5(config-route-map)#set metric-type ? external IS-IS external metric internal IS-IS internal metric or Use IGP metric as the MED for BGP type-1 OSPF external type 1 metric type-2 OSPF external type 2 metric S5(config-route-map)#set metric-type ty S5(config-route-map)#set metric-type type-1 S5(config-route-map)#set metric-type type-1match ip add prefix-list Prob8route-map Prob8  20 S5(config-route-map)#router so  ospf 1 S5(config-router)#redis S5(config-router)#redistribute e rd ed sub rout S5(config-router)#redistribute red sub router  S5(config-router)#redistribute red sub route- S5(config-router)#redistribute red sub route-m S5(config-router)#redistribute red sub route-m? % Unrecognized command S5(config-router)#redistribute red sub route-m              ip r sub rou S5(config-router)#redistribute rip sub route-map Prob8 ? metric Metric for redistributed routes metric-type OSPF/IS-IS exterior metric type for redistributed routes tag Set tag for routes redistributed into OSPF S5(config-router)#redistribute rip sub route-map Prob8 tag ? <0-4294967295> 32-bit tag value S5(config-router)#redistribute rip sub route-map Prob8 tag 5 ? metric Metric for redistributed routes metric-type OSPF/IS-IS exterior metric type for redistributed routes S5(config-router)#redistribute rip sub route-map Prob8 tag 5 S5(config-router)#^Z S5# 09:53:59: %SYS-5-CONFIG_I: Configured from console by console S5#sh run | b ospf router ospf 1 router-id 5.5.5.5 log-adjacency-changes no discard-route external area 51 nssa summary-address 200.1.0.0 255.255.252.0 summary-address 217.57.0.0 255.255.0.0 redistribute rip subnets tag 5 route-map Prob8 network 208.28.1.65 0.0.0.0 area 51 network 208.28.1.130 0.0.0.0 area 51 ! router rip version 2 redistribute ospf 1 metric 3 network 217.57.100.0 no auto-summary ! ip classless ip http server ip http secure-server ! ! ! --More--  ip prefix-list Prob8 seq 5 permit 217.57.0.0/16 le 24 route-map Prob8 permit 10 match ip address prefix-list Prob8 set metric-type type-1 ! route-map Prob8 permit 20 ! ! control-plane ! ! line con 0 exec-timeout 0 0 logging synchronous line vty 0 4 no login line vty 5 15 no login ! ! end S5# RACK14AS>4 [Resuming connection 4 to r4 ... ] R4#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets C 17.80.1.0 is directly connected, FastEthernet0/0 33.0.0.0/24 is subnetted, 1 subnets O E2 33.33.33.0 [110/20] via 17.80.1.1, 00:12:52, FastEthernet0/0 C 200.1.0.0/24 is directly connected, Loopback0 22.0.0.0/24 is subnetted, 1 subnets O E2 22.22.22.0 [110/20] via 17.80.1.1, 00:12:52, FastEthernet0/0 11.0.0.0/24 is subnetted, 1 subnets O E2 11.11.11.0 [110/20] via 17.80.1.1, 00:12:52, FastEthernet0/0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/783] via 17.80.1.1, 00:35:15, FastEthernet0/0 O IA 208.28.1.64/28 [110/784] via 17.80.1.1, 00:35:15, FastEthernet0/0 O IA 208.28.1.0/29 [110/782] via 17.80.1.1, 00:47:27, FastEthernet0/0 --More--   180.40.0.0/27 is subnetted, 2 subnets O IA 180.40.7.0 [110/782] via 17.80.1.1, 00:47:27, FastEthernet0/0 O IA 180.40.7.64 [110/846] via 17.80.1.1, 00:12:38, FastEthernet0/0 O E2 200.1.0.0/22 [110/20] via 17.80.1.1, 00:12:47, FastEthernet0/0 O E1 217.57.0.0/16 [110/804] via 17.80.1.1, 00:00:56, FastEthernet0/0 R4# R4# R4# R4# R4# RACK14AS>5 [Resuming connection 5 to r5 ... ] S5#config t Enter configuration commands, one per line. End with CNTL/Z. S5(config)# S5(config)#int vlan 10 S5(config-if)#band 100000   000 S5(config-if)#^Z S5#sh 09:58:54: %SYS-5-CONFIG_I: Configured from console by console S5#sh ip ospf int Vlan10 is up, line protocol is up Internet Address 208.28.1.65/28, Area 51 Process ID 1, Router ID 5.5.5.5, Network Type BROADCAST, Cost: 1 Transmit Delay is 1 sec, State DR, Priority 1 Designated Router (ID) 5.5.5.5, Interface address 208.28.1.65 Backup Designated router (ID) 11.11.11.11, Interface address 208.28.1.66 Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 oob-resync timeout 40 Hello due in 00:00:05 Supports Link-local Signaling (LLS) Index 1/1, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 7 Last flood scan time is 0 msec, maximum is 4 msec Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 11.11.11.11 (Backup Designated Router) Suppress hello for 0 neighbor(s) Vlan20 is up, line protocol is up Internet Address 208.28.1.130/27, Area 51 Process ID 1, Router ID 5.5.5.5, Network Type BROADCAST, Cost: 1 Transmit Delay is 1 sec, State DR, Priority 1 Designated Router (ID) 5.5.5.5, Interface address 208.28.1.130 Backup Designated router (ID) 2.2.2.2, Interface address 208.28.1.129 --More--   S5#sh int vlan 10 Vlan10 is up, line protocol is up Hardware is EtherSVI, address is 0014.a859.cc00 (bia 0014.a859.cc00) Internet address is 208.28.1.65/28 MTU 1500 bytes, BW 100000 Kbit, DLY 10 usec, reliability 255/255, txload 1/255, rxload 1/255 Encapsulation ARPA, loopback not set ARP type: ARPA, ARP Timeout 04:00:00 Last input 00:00:05, output 00:00:04, output hang never Last clearing of "show interface" counters never Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 3 Queueing strategy: fifo Output queue: 0/40 (size/max) 5 minute input rate 0 bits/sec, 0 packets/sec 5 minute output rate 0 bits/sec, 0 packets/sec 434 packets input, 44014 bytes, 0 no buffer Received 0 broadcasts (0 IP multicast) 0 runts, 0 giants, 0 throttles 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored 468 packets output, 45516 bytes, 0 underruns 0 output errors, 0 interface resets 0 output buffer failures, 0 output buffers swapped out S5#sh int vlan 100 20 Vlan20 is up, line protocol is up Hardware is EtherSVI, address is 0014.a859.cc00 (bia 0014.a859.cc00) Internet address is 208.28.1.130/27 MTU 1500 bytes, BW 1000000 Kbit, DLY 10 usec, reliability 255/255, txload 1/255, rxload 1/255 Encapsulation ARPA, loopback not set ARP type: ARPA, ARP Timeout 04:00:00 Last input 00:00:01, output 00:00:01, output hang never Last clearing of "show interface" counters never Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 2 Queueing strategy: fifo Output queue: 0/40 (size/max) 5 minute input rate 0 bits/sec, 0 packets/sec 5 minute output rate 0 bits/sec, 0 packets/sec 434 packets input, 44194 bytes, 0 no buffer Received 0 broadcasts (0 IP multicast) 0 runts, 0 giants, 0 throttles 0 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored 464 packets output, 44918 bytes, 0 underruns 0 output errors, 0 interface resets 0 output buffer failures, 0 output buffers swapped out S5#confi t Enter configuration commands, one per line. End with CNTL/Z. S5(config)# S5(config)#rout   ter ospf 1 S5(config-router)#aut S5(config-router)#auto-cost ? reference-bandwidth Use reference bandwidth method to assign OSPF cost S5(config-router)#auto-cost  re S5(config-router)#auto-cost reference-bandwidth ? <1-4294967> The reference bandwidth in terms of Mbits per second S5(config-router)#auto-cost reference-bandwidth 100000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. S5(config-router)#do sh ip ospf int Vlan10 is up, line protocol is up Internet Address 208.28.1.65/28, Area 51 Process ID 1, Router ID 5.5.5.5, Network Type BROADCAST, Cost: 1000 Transmit Delay is 1 sec, State DR, Priority 1 Designated Router (ID) 5.5.5.5, Interface address 208.28.1.65 Backup Designated router (ID) 11.11.11.11, Interface address 208.28.1.66 Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 oob-resync timeout 40 Hello due in 00:00:07 Supports Link-local Signaling (LLS) Index 1/1, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 7 Last flood scan time is 0 msec, maximum is 4 msec Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 11.11.11.11 (Backup Designated Router) Suppress hello for 0 neighbor(s) Vlan20 is up, line protocol is up Internet Address 208.28.1.130/27, Area 51 Process ID 1, Router ID 5.5.5.5, Network Type BROADCAST, Cost: 100 Transmit Delay is 1 sec, State DR, Priority 1 Designated Router (ID) 5.5.5.5, Interface address 208.28.1.130 Backup Designated router (ID) 2.2.2.2, Interface address 208.28.1.129 --More--   S5(config-router)# S5# 10:01:07: %SYS-5-CONFIG_I: Configured from console by console S5# RACK14AS>1 [Resuming connection 1 to r1 ... ] R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#router ospf 1 R1(config-router)# R1(config-router)#auto-cost reference-bandwidth 100000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R1(config-router)#end R1# RACK14AS>2 [Resuming connection 2 to r2 ... ] R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#router ospf 1 R2(config-router)# R2(config-router)#auto-cost reference-bandwidth 100000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R2(config-router)#end R2#x *Mar 1 09:58:23.246: %SYS-5-CONFIG_I: Configured from console by console R2#x3 % Incomplete command. R2# R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#router ospf 1 R2(config-router)# R2(config-router)#auto-cost reference-bandwidth 100000 R2(config-router)#end R2# RACK14AS>3 [Resuming connection 3 to r3 ... ] *Mar R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#router ospf 1 R3(config-router)# R3(config-router)#auto-cost reference-bandwidth 100000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R3(config-router)#end R3# *Ma RACK14AS>4 [Resuming connection 4 to r4 ... ] R4#config t Enter configuration commands, one per line. End with CNTL/Z. R4(config)#router ospf 1 R4(config-router)# R4(config-router)#auto-cost reference-bandwidth 100000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R4(config-router)#end R4# *Mar 1 10:00:30.349: %SYS-5-CONFIG_I: Configured from console by console R4#^Z R4#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets C 17.80.1.0 is directly connected, FastEthernet0/0 33.0.0.0/24 is subnetted, 1 subnets O E2 33.33.33.0 [110/20] via 17.80.1.1, 00:00:08, FastEthernet0/0 C 200.1.0.0/24 is directly connected, Loopback0 22.0.0.0/24 is subnetted, 1 subnets O E2 22.22.22.0 [110/20] via 17.80.1.1, 00:00:08, FastEthernet0/0 11.0.0.0/24 is subnetted, 1 subnets O E2 11.11.11.0 [110/20] via 17.80.1.1, 00:00:08, FastEthernet0/0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/11881] via 17.80.1.1, 00:00:05, FastEthernet0/0 O IA 208.28.1.64/28 [110/11781] via 17.80.1.1, 00:00:05, FastEthernet0/0 O IA 208.28.1.0/29 [110/66535] via 17.80.1.1, 00:00:05, FastEthernet0/0 --More--   180.40.0.0/27 is subnetted, 2 subnets O IA 180.40.7.0 [110/66535] via 17.80.1.1, 00:00:05, FastEthernet0/0 O IA 180.40.7.64 [110/66547] via 17.80.1.1, 00:00:10, FastEthernet0/0 O E2 200.1.0.0/22 [110/20] via 17.80.1.1, 00:00:00, FastEthernet0/0 O E1 217.57.0.0/16 [110/11801] via 17.80.1.1, 00:00:00, FastEthernet0/0 R4#   RACK14AS>3 [Resuming connection 3 to r3 ... ] 1 09:58:29.42 R3#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets C 17.80.1.0 is directly connected, FastEthernet0/0 33.0.0.0/24 is subnetted, 1 subnets C 33.33.33.0 is directly connected, Loopback0 O E2 200.1.0.0/24 [110/20] via 17.80.1.2, 00:00:01, FastEthernet0/0 22.0.0.0/24 is subnetted, 1 subnets O E2 22.22.22.0 [110/20] via 180.40.7.2, 00:00:01, Serial1/2 [110/20] via 208.28.1.3, 00:00:01, Serial1/0 11.0.0.0/24 is subnetted, 1 subnets O E2 11.11.11.0 [110/20] via 208.28.1.1, 00:00:02, Serial1/0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/75635] via 208.28.1.1, 00:00:02, Serial1/0 O IA 208.28.1.64/28 [110/75535] via 208.28.1.1, 00:00:02, Serial1/0 --More--  C 208.28.1.0/29 is directly connected, Serial1/0 180.40.0.0/27 is subnetted, 2 subnets C 180.40.7.0 is directly connected, Serial1/2 O 180.40.7.64 [110/130301] via 208.28.1.1, 00:00:03, Serial1/0 O E2 200.1.0.0/22 [110/20] via 208.28.1.1, 00:00:03, Serial1/0 O E1 217.57.0.0/16 [110/75555] via 208.28.1.1, 00:00:03, Serial1/0 R3#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets C 17.80.1.0 is directly connected, FastEthernet0/0 33.0.0.0/24 is subnetted, 1 subnets C 33.33.33.0 is directly connected, Loopback0 O E2 200.1.0.0/24 [110/20] via 17.80.1.2, 00:00:08, FastEthernet0/0 22.0.0.0/24 is subnetted, 1 subnets O E2 22.22.22.0 [110/20] via 180.40.7.2, 00:00:08, Serial1/2 [110/20] via 208.28.1.3, 00:00:08, Serial1/0 11.0.0.0/24 is subnetted, 1 subnets O E2 11.11.11.0 [110/20] via 208.28.1.1, 00:00:09, Serial1/0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/75635] via 208.28.1.1, 00:00:19, Serial1/0 O IA 208.28.1.64/28 [110/75535] via 208.28.1.1, 00:00:19, Serial1/0 --More--   R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 11.11.11.11 0 FULL/ - - 208.28.1.1 OSPF_VL3 4.4.4.4 1 FULL/BDR 00:00:31 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:35 180.40.7.2 Serial1/2 11.11.11.11 0 FULL/DROTHER 00:01:42 208.28.1.1 Serial1/0 2.2.2.2 0 FULL/DROTHER 00:01:49 208.28.1.3 Serial1/0 R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 11.11.11.11 0 FULL/ - - 208.28.1.1 OSPF_VL3 4.4.4.4 1 FULL/BDR 00:00:32 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:37 180.40.7.2 Serial1/2 11.11.11.11 0 FULL/DROTHER 00:01:34 208.28.1.1 Serial1/0 2.2.2.2 0 FULL/DROTHER 00:01:41 208.28.1.3 Serial1/0 R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 11.11.11.11 0 FULL/ - - 208.28.1.1 OSPF_VL3 4.4.4.4 1 FULL/BDR 00:00:30 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:35 180.40.7.2 Serial1/2 11.11.11.11 0 FULL/DROTHER 00:01:32 208.28.1.1 Serial1/0 2.2.2.2 0 FULL/DROTHER 00:01:38 208.28.1.3 Serial1/0 R3# RACK14AS>2 [Resuming connection 2 to r2 ... ] *Ma R2#config tx3 config tsh run | b routertuerconfig t sh ip routetueuteconfig t sh run | b rotueruterconfig t x3 config t ^V config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#router ospf 1 R2(config-router)# R2(config-router)#auto-cost reference-bandwidth 100000 R2(config-router)#end R2# *Mar 1 09:59:42.031: %SYS-5-CONFIG_I: Configured from console by console R2#^Z R2# RACK14AS>1 [Resuming connection 1 to r1 ... ] *Ma R1#sh run | b ospf ip ospf network broadcast ip ospf hello-interval 30 ip ospf priority 0 frame-relay interface-dlci 103 ! interface Serial0/0.2 point-to-point ip address 180.40.7.66 255.255.255.224 frame-relay interface-dlci 102 ! interface Ethernet0/1 no ip address shutdown half-duplex ! interface Serial0/1 no ip address shutdown ! router ospf 1 router-id 11.11.11.11 log-adjacency-changes auto-cost reference-bandwidth 100000 area 51 nssa no-redistribution no-summary --More--   area 200 virtual-link 3.3.3.3 redistribute connected subnets tag 1 network 180.40.7.66 0.0.0.0 area 0 network 208.28.1.1 0.0.0.0 area 200 network 208.28.1.66 0.0.0.0 area 51 ! no ip http server ip classless ! ! ! ! ! ! ! ! line con 0 exec-timeout 0 0 logging synchronous line aux 0 line vty 0 4 ! ! --More--   R1# RACK14AS>3 [Resuming connection 3 to r3 ... ] R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 11.11.11.11 0 FULL/ - - 208.28.1.1 OSPF_VL3 4.4.4.4 1 FULL/BDR 00:00:37 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:31 180.40.7.2 Serial1/2 11.11.11.11 0 FULL/DROTHER 00:01:48 208.28.1.1 Serial1/0 2.2.2.2 0 FULL/DROTHER 00:01:55 208.28.1.3 Serial1/0 R3#sh ip sof     ospf nei   vir Virtual Link OSPF_VL3 to router 11.11.11.11 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 65535 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:00 Adjacency State FULL (Hello suppressed) Index 1/5, retransmission queue length 7, number of retransmission 45 First 0x83BD0458(32)/0x0(0) Next 0x83BD0B58(38)/0x0(0) Last retransmission scan length is 6, maximum is 6 Last retransmission scan time is 0 msec, maximum is 0 msec Link State retransmission due in 1732 msec Virtual Link OSPF_VL2 to router 2.2.2.2 is down Run as demand circuit DoNotAge LSA allowed. Transit area 200, Cost of using 65535 Transmit Delay is 1 sec, State DOWN, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 R3# *Mar 1 10:00:37.282: %OSPF-5-ADJCHG: Process 1, Nbr 11.11.11.11 on OSPF_VL3 from FULL to DOWN, Neighbor Down: Too many retransmissions R3#sh ip ospf vir Virtual Link OSPF_VL3 to router 11.11.11.11 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 65535 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:05 Virtual Link OSPF_VL2 to router 2.2.2.2 is down Run as demand circuit DoNotAge LSA allowed. Transit area 200, Cost of using 65535 Transmit Delay is 1 sec, State DOWN, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 R3#sh ip      run | b ospf    rotuer    uter router ospf 1 router-id 3.3.3.3 log-adjacency-changes auto-cost reference-bandwidth 100000 area 200 virtual-link 11.11.11.11 area 200 virtual-link 2.2.2.2 redistribute connected subnets tag 3 network 17.80.1.1 0.0.0.0 area 51 network 180.40.7.3 0.0.0.0 area 200 network 208.28.1.2 0.0.0.0 area 200 neighbor 208.28.1.1 ! ip classless ! no ip http server no ip http secure-server ! ! ! ! ! ! ! --More--   R3# RACK14AS>2 [Resuming connection 2 to r2 ... ] *M R2#sh run | b router router ospf 1 router-id 2.2.2.2 log-adjacency-changes auto-cost reference-bandwidth 100000 area 51 nssa no-redistribution no-summary area 51 default-cost 0 area 200 virtual-link 3.3.3.3 redistribute connected subnets tag 2 network 180.40.7.2 0.0.0.0 area 200 network 180.40.7.65 0.0.0.0 area 0 network 208.28.1.3 0.0.0.0 area 200 network 208.28.1.129 0.0.0.0 area 51 ! ip classless ! no ip http server no ip http secure-server ! ! ! ! ! ! --More--   R2# RACK14AS>3 [Resuming connection 3 to r3 ... ] R3#sh run | b routerip ospf vir  Virtual Link OSPF_VL3 to router 11.11.11.11 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 65535 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:02 Virtual Link OSPF_VL2 to router 2.2.2.2 is down Run as demand circuit DoNotAge LSA allowed. Transit area 200, Cost of using 65535 Transmit Delay is 1 sec, State DOWN, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#router ospf 1 R3(config-router)#no area 200 vir 2.2.2.2 R3(config-router)#no area 200 vir 2.2.2.2no area 200 vir 2.2.2.2  area 200 vir 2.2.2.2  R3(config-router)#^Z R3# RACK14AS>3 2 [Resuming connection 2 to r2 ... ] R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#router ospf 1 R2(config-router)#no area 200 vi 3.3.3.3 R2(config-router)#no area 200 vi 3.3.3.3area 200 vi 3.3.3.3 area 200 vi 3.3.3.3 area 200 vi 3.3.3.3  R2(config-router)#z ^Z R2# RACK14AS>3 [Resuming connection 3 to r3 ... ] * R3#sh ip ospf bne   nei Neighbor ID Pri State Dead Time Address Interface 4.4.4.4 1 FULL/BDR 00:00:39 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:31 180.40.7.2 Serial1/2 11.11.11.11 0 FULL/DROTHER 00:01:48 208.28.1.1 Serial1/0 2.2.2.2 0 FULL/DROTHER 00:01:55 208.28.1.3 Serial1/0 R3#n sh ip ospf int OSPF_VL4 is down, line protocol is down Internet Address 0.0.0.0/0, Area 0 Process ID 1, Router ID 3.3.3.3, Network Type VIRTUAL_LINK, Cost: 65535 Configured as demand circuit. Run as demand circuit. DoNotAge LSA allowed. Transmit Delay is 1 sec, State DOWN, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 oob-resync timeout 40 OSPF_VL3 is up, line protocol is up Internet Address 208.28.1.2/29, Area 0 Process ID 1, Router ID 3.3.3.3, Network Type VIRTUAL_LINK, Cost: 65535 Configured as demand circuit. Run as demand circuit. DoNotAge LSA allowed. Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 oob-resync timeout 40 Hello due in 00:00:05 Index 1/4, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 5 Last flood scan time is 0 msec, maximum is 4 msec --More--   Neighbor Count is 0, Adjacent neighbor count is 0 Suppress hello for 0 neighbor(s) FastEthernet0/0 is up, line protocol is up Internet Address 17.80.1.1/24, Area 51 Process ID 1, Router ID 3.3.3.3, Network Type BROADCAST, Cost: 1000 Transmit Delay is 1 sec, State DR, Priority 1 Designated Router (ID) 3.3.3.3, Interface address 17.80.1.1 Backup Designated router (ID) 4.4.4.4, Interface address 17.80.1.2 Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 oob-resync timeout 40 Hello due in 00:00:02 Index 1/3, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 5 Last flood scan time is 0 msec, maximum is 4 msec Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 4.4.4.4 (Backup Designated Router) Suppress hello for 0 neighbor(s) Serial1/2 is up, line protocol is up Internet Address 180.40.7.3/27, Area 200 Process ID 1, Router ID 3.3.3.3, Network Type POINT_TO_POINT, Cost: 65535 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 --More--   oob-resync timeout 40 Hello due in 00:00:05 Index 2/2, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 9 Last flood scan time is 0 msec, maximum is 4 msec Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 2.2.2.2 Suppress hello for 0 neighbor(s) Serial1/0 is up, line protocol is up Internet Address 208.28.1.2/29, Area 200 Process ID 1, Router ID 3.3.3.3, Network Type NON_BROADCAST, Cost: 65535 Transmit Delay is 1 sec, State DR, Priority 1 Designated Router (ID) 3.3.3.3, Interface address 208.28.1.2 No backup designated router on this network Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5 oob-resync timeout 120 Hello due in 00:00:07 Index 1/1, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 9 Last flood scan time is 4 msec, maximum is 5 msec Neighbor Count is 2, Adjacent neighbor count is 2 --More--   Adjacent with neighbor 11.11.11.11 Adjacent with neighbor 2.2.2.2 Suppress hello for 0 neighbor(s) R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#router ospf 1 R3(config-router)# R3(config-router)#auto-cost reference-bandwidth 1000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R3(config-router)#end R3# RACK14AS>4 [Resuming connection 4 to r4 ... ] R4#config t Enter configuration commands, one per line. End with CNTL/Z. R4(config)#router ospf 1 R4(config-router)# R4(config-router)#auto-cost reference-bandwidth 1000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R4(config-router)#end R4# RACK14AS>2 [Resuming connection 2 to r2 ... ] *Mar R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#router ospf 1 R2(config-router)# R2(config-router)#auto-cost reference-bandwidth 1000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R2(config-router)#end R2# *Mar 1 10:04:00.875: %SYS-5-CONFIG_I: Configured from console by console R2# RACK14AS>1 [Resuming connection 1 to r1 ... ] R1# *Mar 1 10:05:21.592: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on OSPF_VL1 from LOADING to FULL, Loading Done R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#router ospf 1 R1(config-router)# R1(config-router)#auto-cost reference-bandwidth 1000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R1(config-router)#end R1# *Mar 1 10:05:24.160: %SYS-5-CONFIG_I: Configured from console by console R1# RACK14AS>5 [Resuming connection 5 to r5 ... ] S5#config t Enter configuration commands, one per line. End with CNTL/Z. S5(config)#router ospf 1 S5(config-router)# S5(config-router)#auto-cost reference-bandwidth 1000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. S5(config-router)#end S5# 10:07:25: %SYS-5-CONFIG_I: Configured from console by console S5#sh ip ospf int Vlan10 is up, line protocol is up Internet Address 208.28.1.65/28, Area 51 Process ID 1, Router ID 5.5.5.5, Network Type BROADCAST, Cost: 10 Transmit Delay is 1 sec, State DR, Priority 1 Designated Router (ID) 5.5.5.5, Interface address 208.28.1.65 Backup Designated router (ID) 11.11.11.11, Interface address 208.28.1.66 Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 oob-resync timeout 40 Hello due in 00:00:01 Supports Link-local Signaling (LLS) Index 1/1, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 7 Last flood scan time is 0 msec, maximum is 4 msec Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 11.11.11.11 (Backup Designated Router) Suppress hello for 0 neighbor(s) Vlan20 is up, line protocol is up Internet Address 208.28.1.130/27, Area 51 Process ID 1, Router ID 5.5.5.5, Network Type BROADCAST, Cost: 1 Transmit Delay is 1 sec, State DR, Priority 1 Designated Router (ID) 5.5.5.5, Interface address 208.28.1.130 Backup Designated router (ID) 2.2.2.2, Interface address 208.28.1.129 --More--   S5# RACK14AS>3 [Resuming connection 3 to r3 ... ] *M R3#config tsh ip ospf intneiint OSPF_VL4 is up, line protocol is up Internet Address 180.40.7.3/27, Area 0 Process ID 1, Router ID 3.3.3.3, Network Type VIRTUAL_LINK, Cost: 7812 Configured as demand circuit. Run as demand circuit. DoNotAge LSA allowed. Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 oob-resync timeout 40 Hello due in 00:00:06 Index 2/5, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 1 Last flood scan time is 0 msec, maximum is 0 msec Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 2.2.2.2 (Hello suppressed) Suppress hello for 1 neighbor(s) OSPF_VL3 is up, line protocol is up Internet Address 208.28.1.2/29, Area 0 Process ID 1, Router ID 3.3.3.3, Network Type VIRTUAL_LINK, Cost: 7812 Configured as demand circuit. Run as demand circuit. DoNotAge LSA allowed. --More--   Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 oob-resync timeout 40 Hello due in 00:00:05 Index 1/4, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 5 Last flood scan time is 0 msec, maximum is 4 msec Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 11.11.11.11 (Hello suppressed) Suppress hello for 1 neighbor(s) FastEthernet0/0 is up, line protocol is up Internet Address 17.80.1.1/24, Area 51 Process ID 1, Router ID 3.3.3.3, Network Type BROADCAST, Cost: 10 Transmit Delay is 1 sec, State DR, Priority 1 Designated Router (ID) 3.3.3.3, Interface address 17.80.1.1 Backup Designated router (ID) 4.4.4.4, Interface address 17.80.1.2 Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 oob-resync timeout 40 Hello due in 00:00:07 Index 1/3, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 5 --More--   R3#sh ip ospf vir Virtual Link OSPF_VL4 to router 2.2.2.2 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/2, Cost of using 7812 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:00 Adjacency State FULL (Hello suppressed) Index 2/6, retransmission queue length 0, number of retransmission 0 First 0x0(0)/0x0(0) Next 0x0(0)/0x0(0) Last retransmission scan length is 0, maximum is 0 Last retransmission scan time is 0 msec, maximum is 0 msec Virtual Link OSPF_VL3 to router 11.11.11.11 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 7812 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:05 Adjacency State FULL (Hello suppressed) Index 1/5, retransmission queue length 0, number of retransmission 1 First 0x0(0)/0x0(0) Next 0x0(0)/0x0(0) Last retransmission scan length is 1, maximum is 1 --More--   Last retransmission scan time is 0 msec, maximum is 0 msec R3# RACK14AS>5 [Resuming connection 5 to r5 ... ] S5#config t Enter configuration commands, one per line. End with CNTL/Z. S5(config)#int vlan 100  S5(config-if)#no band S5(config-if)#^Z S5# 10:09:48: %SYS-5-CONFIG_I: Configured from console by console S5# RACK14AS>4 [Resuming connection 4 to r4 ... ] * R4#sh ip ospf Routing Process "ospf 1" with ID 4.4.4.4 Supports only single TOS(TOS0) routes Supports opaque LSA Supports Link-local Signaling (LLS) It is an autonomous system boundary router Redistributing External Routes from, connected, includes subnets in redistribution Initial SPF schedule delay 5000 msecs Minimum hold time between two consecutive SPFs 10000 msecs Maximum wait time between two consecutive SPFs 10000 msecs Minimum LSA interval 5 secs. Minimum LSA arrival 1 secs LSA group pacing timer 240 secs Interface flood pacing timer 33 msecs Retransmission pacing timer 66 msecs Number of external LSA 6. Checksum Sum 0x01D7E8 Number of opaque AS LSA 0. Checksum Sum 0x000000 Number of DCbitless external and opaque AS LSA 0 Number of DoNotAge external and opaque AS LSA 0 Number of areas in this router is 1. 1 normal 0 stub 0 nssa External flood list length 0 Area 51 Number of interfaces in this area is 1 Area has no authentication --More--   R4#config t Enter configuration commands, one per line. End with CNTL/Z. R4(config)#rotuer os       uter osf 1   pf 1 R4(config-router)#tim R4(config-router)#timers ? pacing OSPF pacing timers throttle OSPF throttle timers R4(config-router)#timers th R4(config-router)#timers throttle ? spf OSPF SPF throttle timers R4(config-router)#timers throttle sp R4(config-router)#timers throttle spf ? <1-600000> Delay between receiving a change to SPF calculation in milliseconds R4(config-router)#timers throttle spf 4000 ? <1-600000> Delay between first and second SPF calculation in milliseconds R4(config-router)#timers throttle spf 4000 20000 ? <1-600000> Maximum wait time in milliseconds for SPF calculations R4(config-router)#timers throttle spf 4000 20000 2000  0 ? R4(config-router)#timers throttle spf 4000 20000 20000 R4(config-router)#tim R4(config-router)#timers ? pacing OSPF pacing timers throttle OSPF throttle timers R4(config-router)#timers p R4(config-router)#timers pacing ? flood OSPF flood pacing timer lsa-group OSPF LSA group pacing timer retransmission OSPF retransmission pacing timer R4(config-router)#timers pacing ls R4(config-router)#timers pacing lsa-group ? <10-1800> Interval in sec between group of LSA being refreshed or maxaged R4(config-router)#timers pacing lsa-group 6000  R4(config-router)#^Z R4#sh run | b *Mar 1 10:11:58.805: %SYS-5-CONFIG_I: Configured from console by console R4#sh run | b ospd R4#sh run | b ospd f router ospf 1 router-id 4.4.4.4 log-adjacency-changes auto-cost reference-bandwidth 1000 timers throttle spf 4000 20000 20000 timers pacing lsa-group 600 redistribute connected subnets tag 4 network 17.80.1.2 0.0.0.0 area 51 ! no ip http server no ip http secure-server ip classless ! ! ! ! ! ! ! ! line con 0 exec-timeout 0 0 logging synchronous --More--   R4#confi g t Enter configuration commands, one per line. End with CNTL/Z. R4(config)#config        router ospf 1 R4(config-router)#i R4(config-router)#ignore ? lsa Do not complain upon receiving LSA of the specified type R4(config-router)#ignore l R4(config-router)#ignore lsa ? mospf MOSPF Type 6 LSA R4(config-router)#ignore lsa mo R4(config-router)#ignore lsa mospf ? R4(config-router)#ignore lsa mospf R4(config-router)#^Z R4#sh *Mar 1 10:12:56.633: %SYS-5-CONFIG_I: Configured from console by console R4#sh run confi tsh run | b ospf router ospf 1 router-id 4.4.4.4 ignore lsa mospf log-adjacency-changes auto-cost reference-bandwidth 1000 timers throttle spf 4000 20000 20000 timers pacing lsa-group 600 redistribute connected subnets tag 4 network 17.80.1.2 0.0.0.0 area 51 ! no ip http server no ip http secure-server ip classless ! ! ! ! ! ! ! ! line con 0 exec-timeout 0 0 --More--   R4# RACK14AS>2 [Resuming connection 2 to r2 ... ] *Mar 1 10: R2#sh ip int r brie Interface IP-Address OK? Method Status Protocol FastEthernet0/0 unassigned YES unset administratively down down BRI0/0 unassigned YES unset administratively down down BRI0/0:1 unassigned YES unset administratively down down BRI0/0:2 unassigned YES unset administratively down down FastEthernet0/1 208.28.1.129 YES manual up up Serial1/0 unassigned YES manual up up Serial1/0.1 208.28.1.3 YES manual up up Serial1/0.2 180.40.7.65 YES manual up up Serial1/1 unassigned YES unset administratively down down Serial1/2 180.40.7.2 YES manual up up Serial1/3 unassigned YES unset administratively down down --More--  Serial1/4 unassigned YES unset administratively down down Serial1/5 unassigned YES unset administratively down down Serial1/6 unassigned YES unset administratively down down Serial1/7 unassigned YES unset administratively down down Loopback0 22.22.22.22 YES manual up up R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#int lo 1 R2(config-if)#ip add 202.2.2.2 255.255.252.0 R2(config-if)# RACK14AS>3 [Resuming connection 3 to r3 ... ] R3# RACK14AS>4 [Resuming connection 4 to r4 ... ] R4#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets C 17.80.1.0 is directly connected, FastEthernet0/0 33.0.0.0/24 is subnetted, 1 subnets O E2 33.33.33.0 [110/20] via 17.80.1.1, 00:05:03, FastEthernet0/0 C 200.1.0.0/24 is directly connected, Loopback0 22.0.0.0/24 is subnetted, 1 subnets O E2 22.22.22.0 [110/20] via 17.80.1.1, 00:05:03, FastEthernet0/0 11.0.0.0/24 is subnetted, 1 subnets O E2 11.11.11.0 [110/20] via 17.80.1.1, 00:05:03, FastEthernet0/0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/7832] via 17.80.1.1, 00:07:20, FastEthernet0/0 O IA 208.28.1.64/28 [110/7833] via 17.80.1.1, 00:05:09, FastEthernet0/0 O IA 208.28.1.0/29 [110/7822] via 17.80.1.1, 00:07:51, FastEthernet0/0 --More--   180.40.0.0/27 is subnetted, 2 subnets O IA 180.40.7.0 [110/7822] via 17.80.1.1, 00:07:51, FastEthernet0/0 O IA 180.40.7.64 [110/8469] via 17.80.1.1, 00:07:31, FastEthernet0/0 O E2 200.1.0.0/22 [110/20] via 17.80.1.1, 00:05:04, FastEthernet0/0 O E1 217.57.0.0/16 [110/7853] via 17.80.1.1, 00:05:04, FastEthernet0/0 O E2 202.2.0.0/22 [110/20] via 17.80.1.1, 00:00:15, FastEthernet0/0 R4# RACK14AS>2 [Resuming connection 2 to r2 ... ] R2(config-if)#router ospf 1 R2(config-router)#net 202.2.2.2 0.0.0.00  area 0 R2(config-router)#^Z R2# *Mar 1 10:12:18.399: %SYS-5-CONFIG_I: Configured from console by console R2#x RACK14AS>4 [Resuming connection 4 to r4 ... ] R4#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets C 17.80.1.0 is directly connected, FastEthernet0/0 33.0.0.0/24 is subnetted, 1 subnets O E2 33.33.33.0 [110/20] via 17.80.1.1, 00:05:36, FastEthernet0/0 C 200.1.0.0/24 is directly connected, Loopback0 202.2.2.0/32 is subnetted, 1 subnets O IA 202.2.2.2 [110/7823] via 17.80.1.1, 00:00:00, FastEthernet0/0 22.0.0.0/24 is subnetted, 1 subnets O E2 22.22.22.0 [110/20] via 17.80.1.1, 00:05:36, FastEthernet0/0 11.0.0.0/24 is subnetted, 1 subnets O E2 11.11.11.0 [110/20] via 17.80.1.1, 00:05:37, FastEthernet0/0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/7832] via 17.80.1.1, 00:07:53, FastEthernet0/0 --More--  O IA 208.28.1.64/28 [110/7833] via 17.80.1.1, 00:05:42, FastEthernet0/0 O IA 208.28.1.0/29 [110/7822] via 17.80.1.1, 00:08:23, FastEthernet0/0 180.40.0.0/27 is subnetted, 2 subnets O IA 180.40.7.0 [110/7822] via 17.80.1.1, 00:08:23, FastEthernet0/0 O IA 180.40.7.64 [110/8469] via 17.80.1.1, 00:08:03, FastEthernet0/0 O E2 200.1.0.0/22 [110/20] via 17.80.1.1, 00:05:37, FastEthernet0/0 O E1 217.57.0.0/16 [110/7853] via 17.80.1.1, 00:05:37, FastEthernet0/0 O E2 202.2.0.0/22 [110/20] via 17.80.1.1, 00:00:47, FastEthernet0/0 R4#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets C 17.80.1.0 is directly connected, FastEthernet0/0 33.0.0.0/24 is subnetted, 1 subnets O E2 33.33.33.0 [110/20] via 17.80.1.1, 00:00:04, FastEthernet0/0 C 200.1.0.0/24 is directly connected, Loopback0 202.2.2.0/32 is subnetted, 1 subnets O IA 202.2.2.2 [110/7823] via 17.80.1.1, 00:00:08, FastEthernet0/0 22.0.0.0/24 is subnetted, 1 subnets O E2 22.22.22.0 [110/20] via 17.80.1.1, 00:00:04, FastEthernet0/0 11.0.0.0/24 is subnetted, 1 subnets O E2 11.11.11.0 [110/20] via 17.80.1.1, 00:00:05, FastEthernet0/0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/7832] via 17.80.1.1, 00:08:01, FastEthernet0/0 --More--  O IA 208.28.1.64/28 [110/7833] via 17.80.1.1, 00:05:50, FastEthernet0/0 O IA 208.28.1.0/29 [110/7822] via 17.80.1.1, 00:08:31, FastEthernet0/0 180.40.0.0/27 is subnetted, 2 subnets O IA 180.40.7.0 [110/7822] via 17.80.1.1, 00:08:32, FastEthernet0/0 O IA 180.40.7.64 [110/8469] via 17.80.1.1, 00:08:12, FastEthernet0/0 O E2 200.1.0.0/22 [110/20] via 17.80.1.1, 00:00:06, FastEthernet0/0 O E1 217.57.0.0/16 [110/7853] via 17.80.1.1, 00:00:06, FastEthernet0/0 O E2 202.2.0.0/22 [110/20] via 17.80.1.1, 00:00:06, FastEthernet0/0 R4# RACK14AS>3 [Resuming connection 3 to r3 ... ] R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#int s 1/2 R3(config-if)#ip ospf ne po R3(config-if)#ip ospf ne point-to-, m R3(config-if)#ip ospf ne point-to-multipoint R3(config-if)# RACK14AS>2 [Resuming connection 2 to r2 ... ] % Ambiguous command: "x" R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#int s 1/2 R2(config-if)#ip ospf nbe  et po R2(config-if)#ip ospf net point-to-m R2(config-if)#ip ospf net point-to-multipoint R2(config-if)# RACK14AS>4 [Resuming connection 4 to r4 ... ] R4#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets C 17.80.1.0 is directly connected, FastEthernet0/0 33.0.0.0/24 is subnetted, 1 subnets O E2 33.33.33.0 [110/20] via 17.80.1.1, 00:00:07, FastEthernet0/0 C 200.1.0.0/24 is directly connected, Loopback0 202.2.2.0/32 is subnetted, 1 subnets O IA 202.2.2.2 [110/7823] via 17.80.1.1, 00:01:18, FastEthernet0/0 22.0.0.0/24 is subnetted, 1 subnets O E2 22.22.22.0 [110/20] via 17.80.1.1, 00:00:07, FastEthernet0/0 11.0.0.0/24 is subnetted, 1 subnets O E2 11.11.11.0 [110/20] via 17.80.1.1, 00:00:08, FastEthernet0/0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/7832] via 17.80.1.1, 00:09:11, FastEthernet0/0 --More--  O IA 208.28.1.64/28 [110/7833] via 17.80.1.1, 00:07:02, FastEthernet0/0 O IA 208.28.1.0/29 [110/7822] via 17.80.1.1, 00:09:43, FastEthernet0/0 180.40.0.0/16 is variably subnetted, 3 subnets, 2 masks O IA 180.40.7.3/32 [110/10] via 17.80.1.1, 00:00:13, FastEthernet0/0 O IA 180.40.7.2/32 [110/7822] via 17.80.1.1, 00:00:03, FastEthernet0/0 O IA 180.40.7.64/27 [110/8469] via 17.80.1.1, 00:09:23, FastEthernet0/0 O E2 200.1.0.0/22 [110/20] via 17.80.1.1, 00:00:09, FastEthernet0/0 O E1 217.57.0.0/16 [110/7853] via 17.80.1.1, 00:00:09, FastEthernet0/0 O E2 202.2.0.0/22 [110/20] via 17.80.1.1, 00:00:09, FastEthernet0/0 R4#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets C 17.80.1.0 is directly connected, FastEthernet0/0 33.0.0.0/24 is subnetted, 1 subnets O E2 33.33.33.0 [110/20] via 17.80.1.1, 00:00:00, FastEthernet0/0 C 200.1.0.0/24 is directly connected, Loopback0 202.2.2.0/32 is subnetted, 1 subnets O IA 202.2.2.2 [110/7823] via 17.80.1.1, 00:01:32, FastEthernet0/0 22.0.0.0/24 is subnetted, 1 subnets O E2 22.22.22.0 [110/20] via 17.80.1.1, 00:00:00, FastEthernet0/0 11.0.0.0/24 is subnetted, 1 subnets O E2 11.11.11.0 [110/20] via 17.80.1.1, 00:00:02, FastEthernet0/0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/7832] via 17.80.1.1, 00:09:25, FastEthernet0/0 --More--  O IA 208.28.1.64/28 [110/7833] via 17.80.1.1, 00:07:14, FastEthernet0/0 O IA 208.28.1.0/29 [110/7822] via 17.80.1.1, 00:09:55, FastEthernet0/0 180.40.0.0/16 is variably subnetted, 3 subnets, 2 masks O IA 180.40.7.3/32 [110/10] via 17.80.1.1, 00:00:26, FastEthernet0/0 O IA 180.40.7.2/32 [110/7822] via 17.80.1.1, 00:00:16, FastEthernet0/0 O IA 180.40.7.64/27 [110/8469] via 17.80.1.1, 00:09:35, FastEthernet0/0 O E2 200.1.0.0/22 [110/20] via 17.80.1.1, 00:00:02, FastEthernet0/0 O E1 217.57.0.0/16 [110/7853] via 17.80.1.1, 00:00:02, FastEthernet0/0 O E2 202.2.0.0/22 [110/20] via 17.80.1.1, 00:00:02, FastEthernet0/0 R4#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets C 17.80.1.0 is directly connected, FastEthernet0/0 33.0.0.0/24 is subnetted, 1 subnets O E2 33.33.33.0 [110/20] via 17.80.1.1, 00:00:07, FastEthernet0/0 C 200.1.0.0/24 is directly connected, Loopback0 202.2.2.0/32 is subnetted, 1 subnets O IA 202.2.2.2 [110/7823] via 17.80.1.1, 00:01:38, FastEthernet0/0 22.0.0.0/24 is subnetted, 1 subnets O E2 22.22.22.0 [110/20] via 17.80.1.1, 00:00:07, FastEthernet0/0 11.0.0.0/24 is subnetted, 1 subnets O E2 11.11.11.0 [110/20] via 17.80.1.1, 00:00:08, FastEthernet0/0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/7832] via 17.80.1.1, 00:09:31, FastEthernet0/0 --More--  O IA 208.28.1.64/28 [110/7833] via 17.80.1.1, 00:07:21, FastEthernet0/0 O IA 208.28.1.0/29 [110/7822] via 17.80.1.1, 00:10:02, FastEthernet0/0 180.40.0.0/16 is variably subnetted, 3 subnets, 2 masks O IA 180.40.7.3/32 [110/10] via 17.80.1.1, 00:00:33, FastEthernet0/0 O IA 180.40.7.2/32 [110/7822] via 17.80.1.1, 00:00:23, FastEthernet0/0 O IA 180.40.7.64/27 [110/8469] via 17.80.1.1, 00:09:42, FastEthernet0/0 O E2 200.1.0.0/22 [110/20] via 17.80.1.1, 00:00:09, FastEthernet0/0 O E1 217.57.0.0/16 [110/7853] via 17.80.1.1, 00:00:09, FastEthernet0/0 O E2 202.2.0.0/22 [110/20] via 17.80.1.1, 00:00:09, FastEthernet0/0 R4# RACK14AS> [Resuming connection 4 to r4 ... ] R4#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets C 17.80.1.0 is directly connected, FastEthernet0/0 33.0.0.0/24 is subnetted, 1 subnets O E2 33.33.33.0 [110/20] via 17.80.1.1, 00:02:11, FastEthernet0/0 C 200.1.0.0/24 is directly connected, Loopback0 202.2.2.0/32 is subnetted, 1 subnets O IA 202.2.2.2 [110/7823] via 17.80.1.1, 00:03:43, FastEthernet0/0 22.0.0.0/24 is subnetted, 1 subnets O E2 22.22.22.0 [110/20] via 17.80.1.1, 00:02:11, FastEthernet0/0 11.0.0.0/24 is subnetted, 1 subnets O E2 11.11.11.0 [110/20] via 17.80.1.1, 00:02:12, FastEthernet0/0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/7832] via 17.80.1.1, 00:11:35, FastEthernet0/0 --More--  O IA 208.28.1.64/28 [110/7833] via 17.80.1.1, 00:09:25, FastEthernet0/0 O IA 208.28.1.0/29 [110/7822] via 17.80.1.1, 00:12:06, FastEthernet0/0 180.40.0.0/16 is variably subnetted, 3 subnets, 2 masks O IA 180.40.7.3/32 [110/10] via 17.80.1.1, 00:02:36, FastEthernet0/0 O IA 180.40.7.2/32 [110/7822] via 17.80.1.1, 00:02:26, FastEthernet0/0 O IA 180.40.7.64/27 [110/8469] via 17.80.1.1, 00:11:46, FastEthernet0/0 O E2 200.1.0.0/22 [110/20] via 17.80.1.1, 00:02:12, FastEthernet0/0 O E1 217.57.0.0/16 [110/7853] via 17.80.1.1, 00:02:12, FastEthernet0/0 O E2 202.2.0.0/22 [110/20] via 17.80.1.1, 00:02:12, FastEthernet0/0 R4# RACK14AS>2 [Resuming connection 2 to r2 ... ] * R2(config-if)#ip ospf net point-to-multipoint nip ospf net point-to-multipoint oip ospf net point-to-multipoint  ip ospf net point-to-multipoint  R2(config-if)#^Z R2# RACK14AS>3 [Resuming connection 3 to r3 ... ] *Ma R3(config-if)#ip ospf ne point-to-multipoint nip ospf ne point-to-multipoint oip ospf ne point-to-multipoint  ip ospf ne point-to-multipoint  R3(config-if)#^Z R3# *Mar 1 10:16:23.377: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial1/2 from FULL to DOWN, Neighbor Down: Interface down or detached *Mar 1 10:16:24.078: %SYS-5-CONFIG_I: Configured from console by console R3# RACK14AS>2 [Resuming connection 2 to r2 ... ] * R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#int lo 1 R2(config-if)# *Mar 1 10:16:26.217: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on Serial1/2 from LOADING to FULL, Loading Done R2(config-if)#ip ospf net R2(config-if)#ip ospf network ? broadcast Specify OSPF broadcast multi-access network non-broadcast Specify OSPF NBMA network point-to-multipoint Specify OSPF point-to-multipoint network point-to-point Specify OSPF point-to-point network R2(config-if)#ip ospf network br R2(config-if)#ip ospf network broadcast OSPF: Invalid type for interface R2(config-if)#ip ospf network broadcast             no R2(config-if)#ip ospf network non-broadcast OSPF: Invalid type for interface R2(config-if)#ip ospf network non-broadcast                 po R2(config-if)#ip ospf network point-to-m R2(config-if)#ip ospf network point-to-multipoint OSPF: Invalid type for interface R2(config-if)#ip ospf network point-to-multipoint            p R2(config-if)#ip ospf network point-to-point R2(config-if)#^Z R2# RACK14AS>4 [Resuming connection 4 to r4 ... ] R4#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets C 17.80.1.0 is directly connected, FastEthernet0/0 33.0.0.0/24 is subnetted, 1 subnets O E2 33.33.33.0 [110/20] via 17.80.1.1, 00:00:46, FastEthernet0/0 C 200.1.0.0/24 is directly connected, Loopback0 22.0.0.0/24 is subnetted, 1 subnets O E2 22.22.22.0 [110/20] via 17.80.1.1, 00:00:46, FastEthernet0/0 11.0.0.0/24 is subnetted, 1 subnets O E2 11.11.11.0 [110/20] via 17.80.1.1, 00:00:46, FastEthernet0/0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/7832] via 17.80.1.1, 00:12:42, FastEthernet0/0 O IA 208.28.1.64/28 [110/7833] via 17.80.1.1, 00:10:31, FastEthernet0/0 O IA 208.28.1.0/29 [110/7822] via 17.80.1.1, 00:13:12, FastEthernet0/0 --More--   180.40.0.0/27 is subnetted, 2 subnets O IA 180.40.7.0 [110/7822] via 17.80.1.1, 00:00:51, FastEthernet0/0 O IA 180.40.7.64 [110/8469] via 17.80.1.1, 00:12:52, FastEthernet0/0 O E2 200.1.0.0/22 [110/20] via 17.80.1.1, 00:00:48, FastEthernet0/0 O E1 217.57.0.0/16 [110/7853] via 17.80.1.1, 00:00:48, FastEthernet0/0 O IA 202.2.0.0/22 [110/7823] via 17.80.1.1, 00:00:02, FastEthernet0/0 R4# RACK14AS>2 [Resuming connection 2 to r2 ... ] *Mar R2#sh ip ospf data OSPF Router with ID (2.2.2.2) (Process ID 1) Router Link States (Area 0) Link ID ADV Router Age Seq# Checksum Link count 2.2.2.2 2.2.2.2 58 0x80000014 0x006C76 4 3.3.3.3 3.3.3.3 1 (DNA) 0x8000000F 0x00782F 2 11.11.11.11 11.11.11.11 833 0x80000008 0x006086 3 Summary Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 17.80.1.0 3.3.3.3 7 (DNA) 0x80000004 0x00E0E0 180.40.7.0 2.2.2.2 103 0x80000001 0x00725B 180.40.7.0 3.3.3.3 1 (DNA) 0x80000001 0x005475 180.40.7.0 11.11.11.11 103 0x80000001 0x00BF60 208.28.1.0 2.2.2.2 833 0x80000007 0x005C49 208.28.1.0 3.3.3.3 7 (DNA) 0x80000004 0x004460 208.28.1.0 11.11.11.11 834 0x80000003 0x007628 208.28.1.64 2.2.2.2 682 0x80000007 0x00DB29 208.28.1.64 11.11.11.11 834 0x80000003 0x005239 208.28.1.128 2.2.2.2 834 0x80000004 0x00F4E3 --More--  208.28.1.128 11.11.11.11 825 0x80000005 0x0075E2 Summary ASB Link States (Area 0) Link ID ADV Router Age Seq# Checksum 1.1.1.1 2.2.2.2 708 0x80000005 0x001D0D 2.2.2.2 3.3.3.3 7 (DNA) 0x80000004 0x00FA87 2.2.2.2 11.11.11.11 835 0x80000003 0x002D4F 3.3.3.3 2.2.2.2 834 0x80000005 0x00E898 3.3.3.3 11.11.11.11 835 0x80000003 0x00FE79 4.4.4.4 3.3.3.3 7 (DNA) 0x80000004 0x00C64C 11.11.11.11 2.2.2.2 834 0x80000003 0x007BE7 11.11.11.11 3.3.3.3 7 (DNA) 0x80000003 0x005D02 Router Link States (Area 51) Link ID ADV Router Age Seq# Checksum Link count 2.2.2.2 2.2.2.2 844 0x80000007 0x00BD6D 1 5.5.5.5 5.5.5.5 690 0x8000000D 0x004760 2 11.11.11.11 11.11.11.11 839 0x80000004 0x006D9E 1 Net Link States (Area 51) --More--  Link ID ADV Router Age Seq# Checksum 208.28.1.65 5.5.5.5 564 0x80000003 0x009F1E 208.28.1.130 5.5.5.5 1857 0x80000004 0x00ECC2 Summary Net Link States (Area 51) Link ID ADV Router Age Seq# Checksum 0.0.0.0 2.2.2.2 1695 0x80000003 0x00EE3E 0.0.0.0 11.11.11.11 610 0x80000002 0x00EB1D Type-7 AS External Link States (Area 51) Link ID ADV Router Age Seq# Checksum Tag 200.1.0.0 5.5.5.5 1082 0x80000002 0x005635 0 217.57.0.0 5.5.5.5 1639 0x80000002 0x00615E 0 Router Link States (Area 200) Link ID ADV Router Age Seq# Checksum Link count 2.2.2.2 2.2.2.2 100 0x8000000E 0x0094E1 3 3.3.3.3 3.3.3.3 102 0x8000000D 0x001063 3 11.11.11.11 11.11.11.11 840 0x80000004 0x005815 1 --More--   Net Link States (Area 200) Link ID ADV Router Age Seq# Checksum 208.28.1.2 3.3.3.3 437 0x80000007 0x001FDB Summary Net Link States (Area 200) Link ID ADV Router Age Seq# Checksum 17.80.1.0 3.3.3.3 847 0x80000004 0x00E0E0 17.80.1.0 11.11.11.11 828 0x80000001 0x0053C7 180.40.7.3 2.2.2.2 107 0x80000001 0x000F9C 180.40.7.64 2.2.2.2 836 0x80000009 0x00DFA5 180.40.7.64 3.3.3.3 827 0x80000001 0x002ED1 180.40.7.64 11.11.11.11 828 0x80000003 0x00FD82 202.2.0.0 2.2.2.2 57 0x80000001 0x00E386 202.2.0.0 3.3.3.3 58 0x80000001 0x0002C1 202.2.0.0 11.11.11.11 60 0x80000001 0x00328A 208.28.1.64 2.2.2.2 686 0x80000008 0x00D92A 208.28.1.64 3.3.3.3 687 0x80000003 0x000260 208.28.1.64 11.11.11.11 839 0x80000003 0x005239 208.28.1.128 2.2.2.2 838 0x80000004 0x00F4E3 208.28.1.128 3.3.3.3 818 0x80000003 0x00151E 208.28.1.128 11.11.11.11 829 0x80000006 0x0073E3 --More--   Summary ASB Link States (Area 200) Link ID ADV Router Age Seq# Checksum 1.1.1.1 3.3.3.3 818 0x80000002 0x004145 1.1.1.1 11.11.11.11 829 0x80000004 0x006D10 2.2.2.2 3.3.3.3 819 0x80000002 0x00FE85 2.2.2.2 11.11.11.11 829 0x80000004 0x002B50 3.3.3.3 11.11.11.11 829 0x80000001 0x000377 4.4.4.4 3.3.3.3 849 0x80000004 0x00C64C 4.4.4.4 11.11.11.11 829 0x80000001 0x003933 11.11.11.11 2.2.2.2 839 0x80000004 0x0079E8 11.11.11.11 3.3.3.3 830 0x80000001 0x0061FF Type-5 AS External Link States Link ID ADV Router Age Seq# Checksum Tag 11.11.11.0 11.11.11.11 612 0x80000002 0x001F32 1 22.22.22.0 2.2.2.2 1699 0x80000003 0x00B0A1 2 33.33.33.0 3.3.3.3 1958 0x80000003 0x001715 3 200.1.0.0 4.4.4.4 1032 0x80000003 0x00754B 4 200.1.0.0 11.11.11.11 369 0x80000002 0x003647 0 202.2.0.0 2.2.2.2 393 0x80000001 0x005C70 2 --More--  217.57.0.0 11.11.11.11 1643 0x80000002 0x004170 0 R2# sh ru | % Ambiguous command: " sh ru " R2#  sh run | b Lo interface Loopback0 ip address 22.22.22.22 255.255.255.0 ! interface Loopback1 ip address 202.2.2.2 255.255.252.0 ip ospf network point-to-point ! interface FastEthernet0/0 no ip address shutdown duplex auto speed auto ! interface BRI0/0 no ip address shutdown ! interface FastEthernet0/1 ip address 208.28.1.129 255.255.255.224 duplex auto speed auto ! interface Serial1/0 --More--   no ip address encapsulation frame-relay no fair-queue ! interface Serial1/0.1 multipoint ip address 208.28.1.3 255.255.255.248 ip ospf network broadcast ip ospf hello-interval 30 ip ospf priority 0 frame-relay map ip 208.28.1.1 203 broadcast frame-relay map ip 208.28.1.2 203 broadcast ! interface Serial1/0.2 multipoint ip address 180.40.7.65 255.255.255.224 ip ospf network point-to-point frame-relay interface-dlci 201 ! interface Serial1/1 no ip address shutdown ! interface Serial1/2 ip address 180.40.7.2 255.255.255.224 --More--   clock rate 64000 ! interface Serial1/3 no ip address shutdown ! interface Serial1/4 no ip address shutdown ! interface Serial1/5 no ip address shutdown ! interface Serial1/6 no ip address shutdown ! interface Serial1/7 no ip address shutdown ! router ospf 1 --More--   router-id 2.2.2.2 log-adjacency-changes auto-cost reference-bandwidth 1000 area 51 nssa no-redistribution no-summary area 51 default-cost 0 area 200 virtual-link 3.3.3.3 redistribute connected subnets tag 2 network 180.40.7.2 0.0.0.0 area 200 network 180.40.7.65 0.0.0.0 area 0 network 202.2.2.2 0.0.0.0 area 0 network 208.28.1.3 0.0.0.0 area 200 network 208.28.1.129 0.0.0.0 area 51 ! ip classless ! no ip http server no ip http secure-server ! ! ! ! ! ! --More--   R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)# R2(config)#rotuer os       uter os 1 R2(config-router)#area 0 authe R2(config-router)#area 0 authentication ? message-digest Use message-digest authentication R2(config-router)#area 0 authentication m R2(config-router)#area 0 authentication message-digest ? R2(config-router)#area 0 authentication message-digest R2(config-router)# RACK14AS>3 3 1 [Resuming connection 1 to r1 ... ] R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#rotuer o      uter osf opf   pf 1 R1(config-router)#area 0 authen me R1(config-router)#area 0 authen message-digest R1(config-router)#do deb ip osp pack OSPF packet debugging is on R1(config-router)# *Mar 1 10:22:08.647: OSPF: rcv. v:2 t:1 l:48 rid:5.5.5.5 aid:0.0.0.51 chk:229B aut:0 auk: from Ethernet0/0 *Mar 1 10:22:09.328: OSPF: rcv. v:2 t:1 l:48 rid:2.2.2.2 aid:0.0.0.0 chk:0 aut:2 keyid:0 seq:0x2B91E2DE from Serial0/0.2 R1(config-router)#do u all All possible debugging has been turned off R1(config-router)#coni    int s 0 1/0.2 ^ % Invalid input detected at '^' marker. R1(config)#int s 1/0.2/0.2 0/0.2 R1(config-subif)#ip ospf ? authentication Enable authentication authentication-key Authentication password (key) cost Interface cost database-filter Filter OSPF LSA during synchronization and flooding dead-interval Interval after which a neighbor is declared dead demand-circuit OSPF demand circuit flood-reduction OSPF Flood Reduction hello-interval Time between HELLO packets message-digest-key Message digest authentication password (key) mtu-ignore Ignores the MTU in DBD packets network Network type priority Router priority resync-timeout Interval after which adjacency is reset if oob-resync is not started retransmit-interval Time between retransmitting lost link state advertisements transmit-delay Link state transmit delay R1(config-subif)#ip ospf message-digest-key ? <1-255> Key ID R1(config-subif)#ip ospf message-digest-key 1 ? md5 Use MD5 algorithm R1(config-subif)#ip ospf message-digest-key 1 m R1(config-subif)#ip ospf message-digest-key 1 md5 ? <0-7> Encryption type (0 for not yet encrypted, 7 for proprietary) LINE The OSPF password (key) (maximum 16 characters) R1(config-subif)#ip ospf message-digest-key 1 md5 cisco R1(config-subif)#^Z R1# *Mar 1 10:23:46.503: %SYS-5-CONFIG_I: Configured from console by console R1# RACK14AS>2 [Resuming connection 2 to r2 ... ] R2(config-router)#int s 1/0.2 R2(config-subif)#ip ospf message-digest-key 1 md5 cisco R2(config-subif)#^Z R2#do sh *Mar 1 10:22:46.913: %SYS-5-CONFIG_I: Configured from console by console R2#do sh       deb ip ps  ispf      ospf pack OSPF packet debugging is on R2# *Mar 1 10:23:00.323: OSPF: rcv. v:2 t:1 l:48 rid:3.3.3.3 aid:0.0.0.200 chk:E0E8 aut:0 auk: from Serial1/2 *Mar 1 10:23:00.387: OSPF: rcv. v:2 t:1 l:52 rid:3.3.3.3 aid:0.0.0.200 chk:F933 aut:0 auk: from Serial1/0.1 *Mar 1 10:23:00.432: OSPF: rcv. v:2 t:1 l:48 rid:5.5.5.5 aid:0.0.0.51 chk:343D aut:0 auk: from FastEthernet0/1 R2# *Mar 1 10:23:03.092: OSPF: rcv. v:2 t:1 l:48 rid:11.11.11.11 aid:0.0.0.0 chk:0 aut:2 keyid:1 seq:0x2B91E3A6 from Serial1/0.2 R2# *Mar 1 10:23:10.324: OSPF: rcv. v:2 t:1 l:48 rid:3.3.3.3 aid:0.0.0.200 chk:E0E8 aut:0 auk: from Serial1/2 *Mar 1 10:23:10.432: OSPF: rcv. v:2 t:1 l:48 rid:5.5.5.5 aid:0.0.0.51 chk:343D aut:0 auk: from FastEthernet0/1 R2# *Mar 1 10:23:13.064: OSPF: rcv. v:2 t:1 l:48 rid:11.11.11.11 aid:0.0.0.0 chk:0 aut:2 keyid:1 seq:0x2B91E3B0 from Serial1/0.2 *Mar 1 10:23:13.833: OSPF: rcv. v:2 t:4 l:64 rid:3.3.3.3 aid:0.0.0.200 chk:F8E8 aut:0 auk: from Serial1/0.1 *Mar 1 10:23:13.866: OSPF: rcv. v:2 t:4 l:64 rid:11.11.11.11 aid:0.0.0.0 chk:0 aut:2 keyid:1 seq:0x2B91E3B0 from Serial1/0.2 *Mar 1 10:23:13.942: OSPF: rcv. v:2 t:5 l:44 rid:3.3.3.3 aid:0.0.0.200 chk:7815 aut:0 auk: from Serial1/0.1 R2# *Mar 1 10:23:16.286: OSPF: rcv. v:2 t:5 l:44 rid:5.5.5.5 aid:0.0.0.51 chk:5B29 aut:0 auk: from FastEthernet0/1 *Mar 1 10:23:16.306: OSPF: rcv. v:2 t:5 l:44 rid:3.3.3.3 aid:0.0.0.200 chk:7815 aut:0 auk: from Serial1/2 R2# *Mar 1 10:23:20.324: OSPF: rcv. v:2 t:1 l:48 rid:3.3.3.3 aid:0.0.0.200 chk:E0E8 aut:0 auk: from Serial1/2 *Mar 1 10:23:20.432: OSPF: rcv. v:2 t:1 l:48 rid:5.5.5.5 aid:0.0.0.51 chk:343D aut:0 auk: from FastEthernet0/1 R2# *Mar 1 10:23:23.073: OSPF: rcv. v:2 t:1 l:48 rid:11.11.11.11 aid:0.0.0.0 chk:0 aut:2 keyid:1 seq:0x2B91E3B9 from Serial1/0.2 R2#u all All possible debugging has been turned off R2#sh ip ospf nei ? Async Async interface BRI ISDN Basic Rate Interface BVI Bridge-Group Virtual Interface CTunnel CTunnel interface Dialer Dialer interface FastEthernet FastEthernet IEEE 802.3 Hostname or A.B.C.D Neighbor ID Loopback Loopback interface MFR Multilink Frame Relay bundle interface Multilink Multilink-group interface Null Null interface Port-channel Ethernet Channel of interfaces Serial Serial Tunnel Tunnel interface Vif PGM Multicast Host interface Virtual-Template Virtual Template interface Virtual-TokenRing Virtual TokenRing detail detail of all neighbors sorted sorted based on interface order | Output modifiers R2#sh ip ospf nei det R2#sh ip ospf nei detail Neighbor 3.3.3.3, interface address 180.40.7.3 In the area 0 via interface OSPF_VL1 Neighbor priority is 0, State is INIT, 7 state changes DR is 0.0.0.0 BDR is 0.0.0.0 Options is 0x72 LLS Options is 0x1 (LR) Dead timer due in 00:00:33 Index 0/0, retransmission queue length 0, number of retransmission 0 First 0x0(0)/0x0(0) Next 0x0(0)/0x0(0) Last retransmission scan length is 0, maximum is 0 Last retransmission scan time is 0 msec, maximum is 0 msec Neighbor 11.11.11.11, interface address 180.40.7.66 In the area 0 via interface Serial1/0.2 Neighbor priority is 0, State is FULL, 6 state changes DR is 0.0.0.0 BDR is 0.0.0.0 Options is 0x52 LLS Options is 0x1 (LR) Dead timer due in 00:00:35 Neighbor is up for 00:45:43 Index 1/2, retransmission queue length 0, number of retransmission 3 First 0x0(0)/0x0(0) Next 0x0(0)/0x0(0) Last retransmission scan length is 1, maximum is 8 Last retransmission scan time is 0 msec, maximum is 0 msec --More--   Neighbor 5.5.5.5, interface address 208.28.1.130 --More--   In the area 51 via interface FastEthernet0/1 --More--   Neighbor priority is 1, State is FULL, 6 state changes --More--   DR is 208.28.1.130 BDR is 208.28.1.129 --More--   Options is 0x58 --More--   LLS Options is 0x1 (LR) --More--   R2#sh ip ospf int Loopback1 is up, line protocol is up Internet Address 202.2.2.2/22, Area 0 Process ID 1, Router ID 2.2.2.2, Network Type POINT_TO_POINT, Cost: 1 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 oob-resync timeout 40 Index 3/6, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 0, maximum is 0 Last flood scan time is 0 msec, maximum is 0 msec Neighbor Count is 0, Adjacent neighbor count is 0 Suppress hello for 0 neighbor(s) Message digest authentication enabled No key configured, using default key id 0 OSPF_VL1 is up, line protocol is up Internet Address 180.40.7.2/27, Area 0 Process ID 1, Router ID 2.2.2.2, Network Type VIRTUAL_LINK, Cost: 7812 Configured as demand circuit. Run as demand circuit. DoNotAge LSA allowed. Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 oob-resync timeout 40 --More--   Hello due in 00:00:08 Index 2/5, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 2 Last flood scan time is 0 msec, maximum is 4 msec Neighbor Count is 1, Adjacent neighbor count is 0 Suppress hello for 1 neighbor(s) Message digest authentication enabled No key configured, using default key id 0 Serial1/0.2 is up, line protocol is up Internet Address 180.40.7.65/27, Area 0 Process ID 1, Router ID 2.2.2.2, Network Type POINT_TO_POINT, Cost: 7812 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 oob-resync timeout 40 Hello due in 00:00:01 Index 1/2, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 5 Last flood scan time is 0 msec, maximum is 4 msec Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 11.11.11.11 Suppress hello for 0 neighbor(s) --More--   Message digest authentication enabled Youngest key id is 1 FastEthernet0/1 is up, line protocol is up Internet Address 208.28.1.129/27, Area 51 Process ID 1, Router ID 2.2.2.2, Network Type BROADCAST, Cost: 10 Transmit Delay is 1 sec, State BDR, Priority 1 Designated Router (ID) 5.5.5.5, Interface address 208.28.1.130 Backup Designated router (ID) 2.2.2.2, Interface address 208.28.1.129 Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 oob-resync timeout 40 Hello due in 00:00:03 Index 1/3, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 3 Last flood scan time is 0 msec, maximum is 0 msec Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 5.5.5.5 (Designated Router) Suppress hello for 0 neighbor(s) Serial1/2 is up, line protocol is up Internet Address 180.40.7.2/27, Area 200 Process ID 1, Router ID 2.2.2.2, Network Type POINT_TO_POINT, Cost: 7812 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 --More-- RACK14AS>3 [Resuming connection 3 to r3 ... ] * R3#sh ip ops    spf int OSPF_VL4 is up, line protocol is up Internet Address 180.40.7.3/27, Area 0 Process ID 1, Router ID 3.3.3.3, Network Type VIRTUAL_LINK, Cost: 7812 Configured as demand circuit. Run as demand circuit. DoNotAge LSA allowed. Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 oob-resync timeout 40 Hello due in 00:00:00 Index 2/5, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 2 Last flood scan time is 0 msec, maximum is 0 msec Neighbor Count is 0, Adjacent neighbor count is 0 Suppress hello for 0 neighbor(s) OSPF_VL3 is up, line protocol is up Internet Address 208.28.1.2/29, Area 0 Process ID 1, Router ID 3.3.3.3, Network Type VIRTUAL_LINK, Cost: 7812 Configured as demand circuit. Run as demand circuit. DoNotAge LSA allowed. Transmit Delay is 1 sec, State POINT_TO_POINT, --More--   Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 oob-resync timeout 40 Hello due in 00:00:00 Index 1/4, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 5 Last flood scan time is 0 msec, maximum is 4 msec Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 11.11.11.11 (Hello suppressed) Suppress hello for 1 neighbor(s) FastEthernet0/0 is up, line protocol is up Internet Address 17.80.1.1/24, Area 51 Process ID 1, Router ID 3.3.3.3, Network Type BROADCAST, Cost: 10 Transmit Delay is 1 sec, State DR, Priority 1 Designated Router (ID) 3.3.3.3, Interface address 17.80.1.1 Backup Designated router (ID) 4.4.4.4, Interface address 17.80.1.2 Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 oob-resync timeout 40 Hello due in 00:00:02 Index 1/3, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 5 Last flood scan time is 0 msec, maximum is 4 msec --More--   R3# RACK14AS>4 [Resuming connection 4 to r4 ... ] R4#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets C 17.80.1.0 is directly connected, FastEthernet0/0 33.0.0.0/24 is subnetted, 1 subnets O E2 33.33.33.0 [110/20] via 17.80.1.1, 00:06:41, FastEthernet0/0 C 200.1.0.0/24 is directly connected, Loopback0 22.0.0.0/24 is subnetted, 1 subnets O E2 22.22.22.0 [110/20] via 17.80.1.1, 00:06:41, FastEthernet0/0 11.0.0.0/24 is subnetted, 1 subnets O E2 11.11.11.0 [110/20] via 17.80.1.1, 00:06:41, FastEthernet0/0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/7923] via 17.80.1.1, 00:06:47, FastEthernet0/0 O IA 208.28.1.64/28 [110/7922] via 17.80.1.1, 00:06:47, FastEthernet0/0 O IA 208.28.1.0/29 [110/7822] via 17.80.1.1, 00:21:21, FastEthernet0/0 --More--   180.40.0.0/27 is subnetted, 2 subnets O IA 180.40.7.0 [110/7822] via 17.80.1.1, 00:09:01, FastEthernet0/0 O IA 180.40.7.64 [110/8469] via 17.80.1.1, 00:21:01, FastEthernet0/0 O E2 200.1.0.0/22 [110/20] via 17.80.1.1, 00:06:43, FastEthernet0/0 O E1 217.57.0.0/16 [110/7942] via 17.80.1.1, 00:06:43, FastEthernet0/0 O IA 202.2.0.0/22 [110/8470] via 17.80.1.1, 00:06:47, FastEthernet0/0 R4# RACK14AS>3 [Resuming connection 3 to r3 ... ] R3#clea ip ospf pr Reset ALL OSPF processes? [no]: y R3# *Mar 1 10:25:33.042: %OSPF-5-ADJCHG: Process 1, Nbr 11.11.11.11 on OSPF_VL3 from FULL to DOWN, Neighbor Down: Interface down or detached *Mar 1 10:25:33.082: %OSPF-5-ADJCHG: Process 1, Nbr 4.4.4.4 on FastEthernet0/0 from FULL to DOWN, Neighbor Down: Interface down or detached *Mar 1 10:25:33.122: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial1/2 from FULL to DOWN, Neighbor Down: Interface down or detached *Mar 1 10:25:33.122: %OSPF-5-ADJCHG: Process 1, Nbr 11.11.11.11 on Serial1/0 from 2WAY to DOWN, Neighbor Down: Interface down or detached R3# *Mar 1 10:25:33.126: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial1/0 from 2WAY to DOWN, Neighbor Down: Interface down or detached *Mar 1 10:25:33.791: %OSPF-5-ADJCHG: Process 1, Nbr 4.4.4.4 on FastEthernet0/0 from LOADING to FULL, Loading Done R3# *Mar 1 10:25:39.372: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial1/2 from LOADING to FULL, Loading Done R3#yclea ip ospf prsh ip ospf int  OSPF_VL4 is up, line protocol is up Internet Address 180.40.7.3/27, Area 0 Process ID 1, Router ID 3.3.3.3, Network Type VIRTUAL_LINK, Cost: 7812 Configured as demand circuit. Run as demand circuit. DoNotAge LSA allowed. Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 oob-resync timeout 40 Hello due in 00:00:03 Index 2/5, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 0, maximum is 2 Last flood scan time is 0 msec, maximum is 0 msec Neighbor Count is 0, Adjacent neighbor count is 0 Suppress hello for 0 neighbor(s) OSPF_VL3 is down, line protocol is down Internet Address 0.0.0.0/0, Area 0 Process ID 1, Router ID 3.3.3.3, Network Type VIRTUAL_LINK, Cost: 65535 Configured as demand circuit. Run as demand circuit. DoNotAge LSA allowed. Transmit Delay is 1 sec, State DOWN, --More--   R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 4.4.4.4 1 FULL/DR 00:00:31 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:37 180.40.7.2 Serial1/2 2.2.2.2 0 2WAY/DROTHER 00:01:57 208.28.1.3 Serial1/0 11.11.11.11 0 2WAY/DROTHER 00:01:59 208.28.1.1 Serial1/0 R3#sh ip ospf nei   vir Virtual Link OSPF_VL4 to router 2.2.2.2 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/2, Cost of using 7812 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:09 Virtual Link OSPF_VL3 to router 11.11.11.11 is down Run as demand circuit DoNotAge LSA allowed. Transit area 200, Cost of using 65535 Transmit Delay is 1 sec, State DOWN, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 R3#sh ip ospf virnei Neighbor ID Pri State Dead Time Address Interface 4.4.4.4 1 FULL/DR 00:00:33 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:38 180.40.7.2 Serial1/2 2.2.2.2 0 2WAY/DROTHER 00:01:58 208.28.1.3 Serial1/0 11.11.11.11 0 2WAY/DROTHER 00:01:57 208.28.1.1 Serial1/0 R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 4.4.4.4 1 FULL/DR 00:00:33 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:38 180.40.7.2 Serial1/2 2.2.2.2 0 2WAY/DROTHER 00:01:58 208.28.1.3 Serial1/0 11.11.11.11 0 2WAY/DROTHER 00:01:57 208.28.1.1 Serial1/0 R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 4.4.4.4 1 FULL/DR 00:00:32 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:37 180.40.7.2 Serial1/2 2.2.2.2 0 2WAY/DROTHER 00:01:59 208.28.1.3 Serial1/0 11.11.11.11 0 2WAY/DROTHER 00:01:59 208.28.1.1 Serial1/0 R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 4.4.4.4 1 FULL/DR 00:00:30 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:36 180.40.7.2 Serial1/2 2.2.2.2 0 2WAY/DROTHER 00:01:59 208.28.1.3 Serial1/0 11.11.11.11 0 2WAY/DROTHER 00:01:59 208.28.1.1 Serial1/0 R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 4.4.4.4 1 FULL/DR 00:00:39 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:35 180.40.7.2 Serial1/2 2.2.2.2 0 2WAY/DROTHER 00:01:59 208.28.1.3 Serial1/0 11.11.11.11 0 2WAY/DROTHER 00:01:58 208.28.1.1 Serial1/0 R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 4.4.4.4 1 FULL/DR 00:00:38 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:34 180.40.7.2 Serial1/2 2.2.2.2 0 2WAY/DROTHER 00:01:58 208.28.1.3 Serial1/0 11.11.11.11 0 2WAY/DROTHER 00:01:59 208.28.1.1 Serial1/0 R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 4.4.4.4 1 FULL/DR 00:00:37 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:32 180.40.7.2 Serial1/2 2.2.2.2 0 2WAY/DROTHER 00:01:59 208.28.1.3 Serial1/0 11.11.11.11 0 2WAY/DROTHER 00:01:59 208.28.1.1 Serial1/0 R3# R3# R3# R3# R3# R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 4.4.4.4 1 FULL/DR 00:00:36 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:32 180.40.7.2 Serial1/2 2.2.2.2 0 2WAY/DROTHER 00:01:59 208.28.1.3 Serial1/0 11.11.11.11 0 2WAY/DROTHER 00:01:59 208.28.1.1 Serial1/0 R3#deb ip ospf pac OSPF packet debugging is on R3#deb ip ospf pac *Mar 1 10:27:02.440: OSPF: rcv. v:2 t:4 l:200 rid:2.2.2.2 aid:0.0.0.200 chk:75BF aut:0 auk: from Serial1/0 R3#deb ip ospf pac   e *Mar 1 10:27:03.774: OSPF: rcv. v:2 t:1 l:48 rid:4.4.4.4 aid:0.0.0.51 chk:B9B6 aut:0 auk: from FastEthernet0/0 *Mar 1 10:27:03.814: OSPF: rcv. v:2 t:4 l:56 rid:11.11.11.11 aid:0.0.0.200 chk:92E2 aut:0 auk: from Serial1/0 *Mar 1 10:27:04.740: OSPF: rcv. v:2 t:4 l:56 rid:2.2.2.2 aid:0.0.0.200 chk:8D44 aut:0 auk: from Serial1/0 R3#deb ip ospf ev *Mar 1 10:27:05.117: OSPF: rcv. v:2 t:4 l:112 rid:11.11.11.11 aid:0.0.0.200 chk:1FED aut:0 auk: from Serial1/0 *Mar 1 10:27:05.734: OSPF: rcv. v:2 t:4 l:88 rid:2.2.2.2 aid:0.0.0.200 chk:A7DB aut:0 auk: from Serial1/0 R3#deb ip ospf ev *Mar 1 10:27:06.214: OSPF: rcv. v:2 t:4 l:64 rid:11.11.11.11 aid:0.0.0.200 chk:6BFF aut:0 auk: from Serial1/0 *Mar 1 10:27:07.004: OSPF: rcv. v:2 t:4 l:200 rid:2.2.2.2 aid:0.0.0.200 chk:75B0 aut:0 auk: from Serial1/0 *Mar 1 10:27:07.124: OSPF: rcv. v:2 t:4 l:64 rid:2.2.2.2 aid:0.0.0.200 chk:7E11 aut:0 auk: from Serial1/0 R3#deb ip ospf ev *Mar 1 10:27:08.334: OSPF: rcv. v:2 t:4 l:56 rid:11.11.11.11 aid:0.0.0.200 chk:92DD aut:0 auk: from Serial1/0 *Mar 1 10:27:09.103: OSPF: rcv. v:2 t:1 l:48 rid:2.2.2.2 aid:0.0.0.200 chk:E0E8 aut:0 auk: from Serial1/2 R3#deb ip ospf ev *Mar 1 10:27:09.460: OSPF: rcv. v:2 t:4 l:56 rid:2.2.2.2 aid:0.0.0.200 chk:8D44 aut:0 auk: from Serial1/0 *Mar 1 10:27:10.057: OSPF: rcv. v:2 t:4 l:112 rid:11.11.11.11 aid:0.0.0.200 chk:1FE8 aut:0 auk: from Serial1/0 R3#deb ip ospf ev *Mar 1 10:27:10.706: OSPF: rcv. v:2 t:4 l:88 rid:2.2.2.2 aid:0.0.0.200 chk:A7D6 aut:0 auk: from Serial1/0 *Mar 1 10:27:10.930: OSPF: rcv. v:2 t:4 l:64 rid:11.11.11.11 aid:0.0.0.200 chk:6BFA aut:0 auk: from Serial1/0 *Mar 1 10:27:11.647: OSPF: rcv. v:2 t:4 l:64 rid:2.2.2.2 aid:0.0.0.200 chk:7E0C aut:0 auk: from Serial1/0 R3#deb ip ospf ev *Mar 1 10:27:11.836: OSPF: rcv. v:2 t:4 l:200 rid:2.2.2.2 aid:0.0.0.200 chk:75A2 aut:0 auk: from Serial1/0 R3#deb ip ospf ev *Mar 1 10:27:12.965: OSPF: rcv. v:2 t:4 l:56 rid:11.11.11.11 aid:0.0.0.200 chk:92D9 aut:0 auk: from Serial1/0 *Mar 1 10:27:13.771: OSPF: rcv. v:2 t:1 l:48 rid:4.4.4.4 aid:0.0.0.51 chk:B9B6 aut:0 auk: from FastEthernet0/0 R3#deb ip ospf ev *Mar 1 10:27:14.388: OSPF: rcv. v:2 t:4 l:56 rid:2.2.2.2 aid:0.0.0.200 chk:8D44 aut:0 auk: from Serial1/0 *Mar 1 10:27:14.732: OSPF: rcv. v:2 t:4 l:112 rid:11.11.11.11 aid:0.0.0.200 chk:1FE3 aut:0 auk: from Serial1/0 *Mar 1 10:27:15.349: OSPF: rcv. v:2 t:4 l:88 rid:2.2.2.2 aid:0.0.0.200 chk:A7D1 aut:0 auk: from Serial1/0 R3#deb ip ospf ev *Mar 1 10:27:15.630: OSPF: rcv. v:2 t:4 l:64 rid:11.11.11.11 aid:0.0.0.200 chk:6BF5 aut:0 auk: from Serial1/0 *Mar 1 10:27:16.475: OSPF: rcv. v:2 t:4 l:200 rid:2.2.2.2 aid:0.0.0.200 chk:7595 aut:0 auk: from Serial1/0 *Mar 1 10:27:16.563: OSPF: rcv. v:2 t:4 l:64 rid:2.2.2.2 aid:0.0.0.200 chk:7E07 aut:0 auk: from Serial1/0 R3#deb ip ospf ev  *Mar 1 10:27:17.914: OSPF: rcv. v:2 t:4 l:56 rid:11.11.11.11 aid:0.0.0.200 chk:92D4 aut:0 auk: from Serial1/0 R3#deb ip ospf e              *Mar 1 10:27:19.104: OSPF: rcv. v:2 t:1 l:48 rid:2.2.2.2 aid:0.0.0.200 chk:E0E8 aut:0 auk: from Serial1/2 *Mar 1 10:27:19.172: OSPF: rcv. v:2 t:4 l:56 rid:2.2.2.2 aid:0.0.0.200 chk:8D44 aut:0 auk: from Serial1/0 *Mar 1 10:27:19.757: OSPF: rcv. v:2 t:4 l:112 rid:11.11.11.11 aid:0.0.0.200 chk:1FDE aut:0 auk: from Serial1/0 R3#u all *Mar 1 10:27:20.201: OSPF: rcv. v:2 t:4 l:88 rid:2.2.2.2 aid:0.0.0.200 chk:A7CC aut:0 auk: from Serial1/0 *Mar 1 10:27:20.241: OSPF: rcv. v:2 t:4 l:64 rid:11.11.11.11 aid:0.0.0.200 chk:6BF1 aut:0 auk: from Serial1/0 *Mar 1 10:27:21.099: OSPF: rcv. v:2 t:4 l:64 rid:2.2.2.2 aid:0.0.0.200 chk:7E03 aut:0 auk: from Serial1/0 R3#u all All possible debugging has been turned off R3# *Mar 1 10:27:21.295: OSPF: rcv. v:2 t:4 l:200 rid:2.2.2.2 aid:0.0.0.200 chk:7586 aut:0 auk: from Serial1/0 R3#u alldeb ip ospf pacsh ip ospf nei  Neighbor ID Pri State Dead Time Address Interface 4.4.4.4 1 FULL/DR 00:00:37 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:33 180.40.7.2 Serial1/2 2.2.2.2 0 2WAY/DROTHER 00:01:59 208.28.1.3 Serial1/0 11.11.11.11 0 2WAY/DROTHER 00:01:59 208.28.1.1 Serial1/0 R3#sh ip ospf nei deb ip ospf eve OSPF events debugging is on R3# *Mar 1 10:27:33.627: %OSPF-5-ADJCHG: Process 1, Nbr 11.11.11.11 on Serial1/0 from LOADING to FULL, Loading Done R3# *Mar 1 10:27:33.772: OSPF: Rcv hello from 4.4.4.4 area 51 from FastEthernet0/0 17.80.1.2 *Mar 1 10:27:33.772: OSPF: End of hello processing R3# *Mar 1 10:27:38.159: OSPF: Send DBD to 2.2.2.2 on Serial1/0 seq 0xA49 opt 0x52 flag 0x7 len 32 *Mar 1 10:27:38.159: OSPF: Retransmitting DBD to 2.2.2.2 on Serial1/0 [1] *Mar 1 10:27:38.195: OSPF: Rcv DBD from 2.2.2.2 on Serial1/0 seq 0xB41 opt 0x52 flag 0x7 len 32 mtu 1500 state EXSTART *Mar 1 10:27:38.199: OSPF: First DBD and we are not SLAVE *Mar 1 10:27:38.339: OSPF: Rcv DBD from 2.2.2.2 on Serial1/0 seq 0xA49 opt 0x52 flag 0x2 len 572 mtu 1500 state EXSTART *Mar 1 10:27:38.343: OSPF: NBR Negotiation Done. We are the MASTER *Mar 1 10:27:38.343: OSPF: Send DBD to 2.2.2.2 on Serial1/0 seq 0xA4A opt 0x52 flag 0x3 len 572 R3# *Mar 1 10:27:38.519: OSPF: Rcv DBD from 2.2.2.2 on Serial1/0 seq 0xA4A opt 0x52 flag 0x0 len 32 mtu 1500 state EXCHANGE *Mar 1 10:27:38.519: OSPF: Send DBD to 2.2.2.2 on Serial1/0 seq 0xA4B opt 0x52 flag 0x1 len 32 *Mar 1 10:27:38.547: OSPF: Send hello to 180.40.7.2 area 0 on OSPF_VL4 from 180.40.7.3 *Mar 1 10:27:38.563: OSPF: Rcv DBD from 2.2.2.2 on Serial1/0 seq 0xA4B opt 0x52 flag 0x0 len 32 mtu 1500 state EXCHANGE *Mar 1 10:27:38.563: OSPF: Exchange Done with 2.2.2.2 on Serial1/0 *Mar 1 10:27:38.563: OSPF: Synchronized with 2.2.2.2 on Serial1/0, state FULL *Mar 1 10:27:38.563: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial1/0 from LOADING to FULL, Loading Done R3# *Mar 1 10:27:38.632: OSPF: Interface OSPF_VL3 going Up *Mar 1 10:27:38.632: OSPF: Send hello to 208.28.1.1 area 0 on OSPF_VL3 from 208.28.1.2 *Mar 1 10:27:39.104: OSPF: Rcv hello from 2.2.2.2 area 200 from Serial1/2 180.40.7.2 *Mar 1 10:27:39.108: OSPF: End of hello processing R3#u all All possible debugging has been turned off R3#u alldeb ip ospf eveu all deb ip ospf evesh ip ospf nei  Neighbor ID Pri State Dead Time Address Interface 4.4.4.4 1 FULL/DR 00:00:39 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:33 180.40.7.2 Serial1/2 2.2.2.2 0 FULL/DROTHER 00:01:56 208.28.1.3 Serial1/0 11.11.11.11 0 FULL/DROTHER 00:01:59 208.28.1.1 Serial1/0 R3#sh ip ospf neiu all deb ip ospf evesh ip ospf nei u all deb ip ospf pacsh ip ospf nei vir Virtual Link OSPF_VL4 to router 2.2.2.2 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 7812 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:02 Virtual Link OSPF_VL3 to router 11.11.11.11 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 7812 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:02 R3#confi gt ^ % Invalid input detected at '^' marker. R3#conf     RACK14AS>1 [Resuming connection 1 to r1 ... ] * R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)# R1(config)#rotuer o      uter ospf 1 R1(config-router)#area 200 vir  R1(config-router)#area 200 vir 3.3.3.3 ? authentication Set authentication type authentication-key Set authentication key dead-interval Dead router detection time hello-interval Hello packet interval message-digest-key Set message digest key retransmit-interval LSA retransmit interval transmit-delay LSA transmission delay R1(config-router)#area 200 vir 3.3.3.3 mes R1(config-router)#area 200 vir 3.3.3.3 message-digest-key ? <1-255> Key ID R1(config-router)#area 200 vir 3.3.3.3 message-digest-key 1 ? md5 Use MD5 algorithm R1(config-router)#area 200 vir 3.3.3.3 message-digest-key 1 m R1(config-router)#area 200 vir 3.3.3.3 message-digest-key 1 md5 ? <0-7> Encryption type (0 for not yet encrypted, 7 for proprietary) LINE Authentication key (16 chars) R1(config-router)#area 200 vir 3.3.3.3 message-digest-key 1 md5 notcisco R1(config-router)#^Z R1# RACK14AS>2 [Resuming connection 2 to r2 ... ] *  oob-resync timeout 40 --More--   R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#router osfp 1    pf 1 R2(config-router)#2.2.2.2       area 200 vir 3.3.3.3 message-digest-key 1 md5 notcisco R2(config-router)#^Z R2# RACK14AS>3 [Resuming connection 3 to r3 ... ] R3#confng   fig t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#rotuer osfp         uter ospf 1 R3(config-router)#area 200 vir 11.11.11.11 me R3(config-router)#area 200 vir 11.11.11.11 message-digest-key 1 m R3(config-router)#area 200 vir 11.11.11.11 message-digest-key 1 md5 notcisco R3(config-router)#area 200 vir 11.11.11.11 message-digest-key 1 md5 notcisco1 message-digest-key 1 md5 notcisco  message-digest-key 1 md5 notcisco  message-digest-key 1 md5 notcisco  message-digest-key 1 md5 notcisco  message-digest-key 1 md5 notcisco  message-digest-key 1 md5 notcisco  message-digest-key 1 md5 notcisco  message-digest-key 1 md5 notcisco  message-digest-key 1 md5 notcisco  message-digest-key 1 md5 notcisco  message-digest-key 1 md5 notcisco 2 message-digest-key 1 md5 notcisco. message-digest-key 1 md5 notcisco2 message-digest-key 1 md5 notcisco. message-digest-key 1 md5 notcisco2 message-digest-key 1 md5 notcisco. message-digest-key 1 md5 notcisco2 message-digest-key 1 md5 notcisco2 message-digest-key 1 md5 notcisco message-digest-key 1 md5 notcisco . message-digest-key 1 md5 notcisco2 message-digest-key 1 md5 notcisco ^ % Invalid input detected at '^' marker. R3(config-router)#area 200 vir 2.2.2.2.2 message-digest-key 1 md5 notcisco message-digest-key 1 md5 notcisco  message-digest-key 1 md5 notcisco  R3(config-router)#do sh ip ospf vir Virtual Link OSPF_VL4 to router 2.2.2.2 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 7812 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:07 Virtual Link OSPF_VL3 to router 11.11.11.11 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 7812 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:07 R3(config-router)#do sh ip ospf virarea 200 vir 2.2.2.2 message-digest-key 1 md5 notcisco OSPF: Key 1 already exists R3(config-router)#area 200 vir 2.2.2.2 message-digest-key 1 md5 notciscodo sh ip ospf vir  Virtual Link OSPF_VL4 to router 2.2.2.2 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 7812 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:09 Virtual Link OSPF_VL3 to router 11.11.11.11 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 7812 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:09 R3(config-router)#do sh ip ospf vir Virtual Link OSPF_VL4 to router 2.2.2.2 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 7812 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:06 Virtual Link OSPF_VL3 to router 11.11.11.11 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 7812 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:06 R3(config-router)#do sh ip ospf vir Virtual Link OSPF_VL4 to router 2.2.2.2 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 7812 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:09 Virtual Link OSPF_VL3 to router 11.11.11.11 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 7812 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:09 R3(config-router)#do sh ip ospf vir Virtual Link OSPF_VL4 to router 2.2.2.2 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 7812 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:07 Virtual Link OSPF_VL3 to router 11.11.11.11 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 7812 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:07 R3(config-router)#do sh ip ospf vir Virtual Link OSPF_VL4 to router 2.2.2.2 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 7812 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:06 Virtual Link OSPF_VL3 to router 11.11.11.11 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 7812 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:06 R3(config-router)#are  a      do sh ip ospf virarea 200 vir 2.2.2.2 message-digest-key 1 md5 notciscodo sh ip ospf vir                  area 0 authen R3(config-router)#area 0 authentication me R3(config-router)#area 0 authentication message-digest ? R3(config-router)#area 0 authentication message-digest R3(config-router)# *Mar 1 10:31:29.430: %OSPF-5-ADJCHG: Process 1, Nbr 11.11.11.11 on OSPF_VL3 from LOADING to FULL, Loading Done R3(config-router)#^Z R3# *Mar 1 10:32:55.046: %SYS-5-CONFIG_I: Configured from console by console R3# R3# R3# R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#rtouer o       u outer osof 1\     pf 1 R3(config-router)#area R3(config-router)#area ? <0-4294967295> OSPF area ID as a decimal value A.B.C.D OSPF area ID in IP address format R3(config-router)#area 0 ? authentication Enable authentication default-cost Set the summary default-cost of a NSSA/stub area filter-list Filter networks between OSPF areas nssa Specify a NSSA area range Summarize routes matching address/mask (border routers only) sham-link Define a sham link and its parameters stub Specify a stub area virtual-link Define a virtual link and its parameters R3(config-router)#area 0 ra R3(config-router)#area 0 range 208.28.0.0 ? A.B.C.D IP mask for address R3(config-router)#area 0 range 208.28.0.0 255.255.25   .0.0 ? advertise Advertise this range (default) cost User specified metric for this range not-advertise DoNotAdvertise this range R3(config-router)#area 0 range 208.28.0.0 255.255.0.0 R3(config-router)# RACK14AS>4 [Resuming connection 4 to r4 ... ] *Ma R4#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets C 17.80.1.0 is directly connected, FastEthernet0/0 33.0.0.0/24 is subnetted, 1 subnets O E2 33.33.33.0 [110/20] via 17.80.1.1, 00:02:04, FastEthernet0/0 C 200.1.0.0/24 is directly connected, Loopback0 22.0.0.0/24 is subnetted, 1 subnets O E2 22.22.22.0 [110/20] via 17.80.1.1, 00:02:04, FastEthernet0/0 11.0.0.0/24 is subnetted, 1 subnets O E2 11.11.11.0 [110/20] via 17.80.1.1, 00:02:04, FastEthernet0/0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/7923] via 17.80.1.1, 00:02:09, FastEthernet0/0 O IA 208.28.1.64/28 [110/7922] via 17.80.1.1, 00:02:09, FastEthernet0/0 O IA 208.28.1.0/29 [110/7822] via 17.80.1.1, 00:06:10, FastEthernet0/0 --More--   180.40.0.0/27 is subnetted, 2 subnets O IA 180.40.7.0 [110/7822] via 17.80.1.1, 00:07:59, FastEthernet0/0 O IA 180.40.7.64 [110/8469] via 17.80.1.1, 00:02:11, FastEthernet0/0 O E2 200.1.0.0/22 [110/20] via 17.80.1.1, 00:02:07, FastEthernet0/0 O E1 217.57.0.0/16 [110/7942] via 17.80.1.1, 00:02:07, FastEthernet0/0 O IA 202.2.0.0/22 [110/8470] via 17.80.1.1, 00:02:11, FastEthernet0/0 R4#sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets C 17.80.1.0 is directly connected, FastEthernet0/0 33.0.0.0/24 is subnetted, 1 subnets O E2 33.33.33.0 [110/20] via 17.80.1.1, 00:02:22, FastEthernet0/0 C 200.1.0.0/24 is directly connected, Loopback0 22.0.0.0/24 is subnetted, 1 subnets O E2 22.22.22.0 [110/20] via 17.80.1.1, 00:02:22, FastEthernet0/0 11.0.0.0/24 is subnetted, 1 subnets O E2 11.11.11.0 [110/20] via 17.80.1.1, 00:02:22, FastEthernet0/0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/7923] via 17.80.1.1, 00:02:27, FastEthernet0/0 O IA 208.28.1.64/28 [110/7922] via 17.80.1.1, 00:02:27, FastEthernet0/0 O IA 208.28.1.0/29 [110/7822] via 17.80.1.1, 00:06:27, FastEthernet0/0 --More--   180.40.0.0/27 is subnetted, 2 subnets O IA 180.40.7.0 [110/7822] via 17.80.1.1, 00:08:16, FastEthernet0/0 O IA 180.40.7.64 [110/8469] via 17.80.1.1, 00:02:28, FastEthernet0/0 O E2 200.1.0.0/22 [110/20] via 17.80.1.1, 00:02:24, FastEthernet0/0 O E1 217.57.0.0/16 [110/7942] via 17.80.1.1, 00:02:24, FastEthernet0/0 O IA 202.2.0.0/22 [110/8470] via 17.80.1.1, 00:02:28, FastEthernet0/0 R4# RACK14AS>3 [Resuming connection 3 to r3 ... ] R3(config-router)#sh  do sh ip route Codes: C - connected, S - static, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2 i - IS-IS, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, * - candidate default, U - per-user static route o - ODR, P - periodic downloaded static route Gateway of last resort is not set 17.0.0.0/24 is subnetted, 1 subnets C 17.80.1.0 is directly connected, FastEthernet0/0 33.0.0.0/24 is subnetted, 1 subnets C 33.33.33.0 is directly connected, Loopback0 O E2 200.1.0.0/24 [110/20] via 17.80.1.2, 00:00:32, FastEthernet0/0 22.0.0.0/24 is subnetted, 1 subnets O E2 22.22.22.0 [110/20] via 180.40.7.2, 00:00:32, Serial1/2 [110/20] via 208.28.1.3, 00:00:32, Serial1/0 11.0.0.0/24 is subnetted, 1 subnets O E2 11.11.11.0 [110/20] via 208.28.1.1, 00:00:33, Serial1/0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/7913] via 208.28.1.1, 00:00:33, Serial1/0 O IA 208.28.1.64/28 [110/7912] via 208.28.1.1, 00:00:33, Serial1/0 --More--  C 208.28.1.0/29 is directly connected, Serial1/0 180.40.0.0/27 is subnetted, 2 subnets C 180.40.7.0 is directly connected, Serial1/2 O 180.40.7.64 [110/8459] via 208.28.1.1, 00:00:33, Serial1/0 O E2 200.1.0.0/22 [110/20] via 208.28.1.1, 00:00:33, Serial1/0 O E1 217.57.0.0/16 [110/7932] via 208.28.1.1, 00:00:33, Serial1/0 O 202.2.0.0/22 [110/8460] via 208.28.1.1, 00:00:33, Serial1/0 R3(config-router)#do sh ip routearea 0 range 208.28.0.0 255.255.0.0 narea 0 range 208.28.0.0 255.255.0.0  area 0 range 208.28.0.0 255.255.0.0 area 0 range 208.28.0.0 255.255.0.0 oarea 0 range 208.28.0.0 255.255.0.0  area 0 range 208.28.0.0 255.255.0.0  R3(config-router)#^Z R3# *Mar 1 10:34:51.165: %SYS-5-CONFIG_I: Configured from console by console R3# R3# R3# R3#sh ip ospf vir Virtual Link OSPF_VL4 to router 2.2.2.2 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 7812 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:00 Message digest authentication enabled Youngest key id is 1 Virtual Link OSPF_VL3 to router 11.11.11.11 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0, Cost of using 7812 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:00 Adjacency State FULL (Hello suppressed) Index 1/5, retransmission queue length 0, number of retransmission 0 First 0x0(0)/0x0(0) Next 0x0(0)/0x0(0) Last retransmission scan length is 0, maximum is 0 Last retransmission scan time is 0 msec, maximum is 0 msec Message digest authentication enabled Youngest key id is 1 R3#sh run | b ospf router ospf 1 router-id 3.3.3.3 log-adjacency-changes auto-cost reference-bandwidth 1000 area 0 authentication message-digest area 200 virtual-link 2.2.2.2 message-digest-key 1 md5 notcisco area 200 virtual-link 11.11.11.11 message-digest-key 1 md5 notcisco redistribute connected subnets tag 3 network 17.80.1.1 0.0.0.0 area 51 network 180.40.7.3 0.0.0.0 area 200 network 208.28.1.2 0.0.0.0 area 200 neighbor 208.28.1.1 ! ip classless ! no ip http server no ip http secure-server ! ! ! ! ! ! --More--   R3#deb ip p ospf pack OSPF packet debugging is on R3# *Mar 1 10:35:43.771: OSPF: rcv. v:2 t:1 l:48 rid:4.4.4.4 aid:0.0.0.51 chk:B9B6 aut:0 auk: from FastEthernet0/0 R3#deb ip ospf pack *Mar 1 10:35:49.128: OSPF: rcv. v:2 t:1 l:48 rid:2.2.2.2 aid:0.0.0.200 chk:E0E8 aut:0 auk: from Serial1/2 R3#deb ip ospf pack    eve OSPF events debugging is on R3# *Mar 1 10:35:53.771: OSPF: rcv. v:2 t:1 l:48 rid:4.4.4.4 aid:0.0.0.51 chk:B9B6 aut:0 auk: from FastEthernet0/0 *Mar 1 10:35:53.771: OSPF: Rcv hello from 4.4.4.4 area 51 from FastEthernet0/0 17.80.1.2 *Mar 1 10:35:53.775: OSPF: End of hello processing R3# *Mar 1 10:35:55.506: OSPF: rcv. v:2 t:1 l:48 rid:11.11.11.11 aid:0.0.0.200 chk:FD3C aut:0 auk: from Serial1/0 *Mar 1 10:35:55.506: OSPF: Rcv hello from 11.11.11.11 area 200 from Serial1/0 208.28.1.1 *Mar 1 10:35:55.506: OSPF: End of hello processing R3# *Mar 1 10:35:58.747: OSPF: Send with youngest Key 1 *Mar 1 10:35:58.747: OSPF: Send hello to 180.40.7.2 area 0 on OSPF_VL4 from 208.28.1.2 *Mar 1 10:35:59.128: OSPF: rcv. v:2 t:1 l:48 rid:2.2.2.2 aid:0.0.0.200 chk:E0E8 aut:0 auk: from Serial1/2 *Mar 1 10:35:59.128: OSPF: Rcv hello from 2.2.2.2 area 200 from Serial1/2 180.40.7.2 *Mar 1 10:35:59.128: OSPF: End of hello processing R3# *Mar 1 10:36:02.061: OSPF: rcv. v:2 t:1 l:48 rid:2.2.2.2 aid:0.0.0.200 chk:F4F aut:0 auk: from Serial1/0 *Mar 1 10:36:02.061: OSPF: Rcv hello from 2.2.2.2 area 200 from Serial1/0 208.28.1.3 *Mar 1 10:36:02.061: OSPF: End of hello processing *Mar 1 10:36:02.073: OSPF: rcv. v:2 t:1 l:48 rid:2.2.2.2 aid:0.0.0.200 chk:F4F aut:0 auk: from Serial1/0 *Mar 1 10:36:02.073: OSPF: Rcv hello from 2.2.2.2 area 200 from Serial1/0 208.28.1.3 *Mar 1 10:36:02.073: OSPF: End of hello processing *Mar 1 10:36:02.834: OSPF: rcv. v:2 t:4 l:56 rid:2.2.2.2 aid:0.0.0.200 chk:A648 aut:0 auk: from Serial1/2 *Mar 1 10:36:02.858: OSPF: rcv. v:2 t:4 l:56 rid:2.2.2.2 aid:0.0.0.200 chk:A648 aut:0 auk: from Serial1/0 *Mar 1 10:36:02.870: OSPF: rcv. v:2 t:4 l:84 rid:2.2.2.2 aid:0.0.0.200 chk:30A0 aut:0 auk: from Serial1/2 *Mar 1 10:36:02.870: OSPF: rcv. v:2 t:4 l:56 rid:2.2.2.2 aid:0.0.0.200 chk:A648 aut:0 auk: from Serial1/0 *Mar 1 10:36:02.966: OSPF: r R3#cv. v:2 t:4 l:84 rid:2.2.2.2 aid:0.0.0.200 chk:30A0 aut:0 auk: from Serial1/0 *Mar 1 10:36:02.982: OSPF: rcv. v:2 t:4 l:84 rid:2.2.2.2 aid:0.0.0.200 chk:30A0 aut:0 auk: from Serial1/0 *Mar 1 10:36:03.183: OSPF: Send hello to 208.28.1.3 area 200 on Serial1/0 from 208.28.1.2 *Mar 1 10:36:03.183: OSPF: Send hello to 208.28.1.1 area 200 on Serial1/0 from 208.28.1.2 *Mar 1 10:36:03.183: OSPF: Send hello to 224.0.0.5 area 51 on FastEthernet0/0 from 17.80.1.1 *Mar 1 10:36:03.183: OSPF: Send hello to 224.0.0.5 area 200 on Serial1/2 from 180.40.7.3 *Mar 1 10:36:03.772: OSPF: rcv. v:2 t:1 l:48 rid:4.4.4.4 aid:0.0.0.51 chk:B9B6 aut:0 auk: from FastEthernet0/0 *Mar 1 10:36:03.772: OSPF: Rcv hello from 4.4.4.4 area 51 from FastEthernet0/0 17.80.1.2 *Mar 1 10:36:03.772: OSPF: End of hello processing R3#u all All possible debugging has been turned off R3# *Mar 1 10:36:05.418: OSPF: rcv. v:2 t:5 l:84 rid:11.11.11.11 aid:0.0.0.200 chk:8B2 aut:0 auk: from Serial1/0 R3# R3# R3# R3#deb fram pack Frame Relay packet debugging is on R3# *Mar 1 10:36:32.110: Serial1/0(i): dlci 302(0x48E1), pkt type 0x800, datagramsize 84 *Mar 1 10:36:32.122: Serial1/0(i): dlci 302(0x48E1), pkt type 0x800, datagramsize 84 R3# *Mar 1 10:36:33.184: Serial1/0(o): dlci 302(0x48E1), pkt type 0x800(IP), datagramsize 88 *Mar 1 10:36:33.184: Serial1/0(o): dlci 301(0x48D1), pkt type 0x800(IP), datagramsize 88 R3#do sh run           sh run int s 1/0 Building configuration... Current configuration : 229 bytes ! interface Serial1/0 ip address 208.28.1.2 255.255.255.248 encapsulation frame-relay ip split-horizon frame-relay map ip 208.28.1.1 301 broadcast frame-relay map ip 208.28.1.3 302 broadcast no frame-relay inverse-arp end R3# *Mar 1 10:36:55.524: Serial1/0(i): dlci 301(0x48D1), pkt type 0x800, datagramsize 84 R3# *Mar 1 10:37:02.059: Serial1/0(i): dlci 302(0x48E1), pkt type 0x800, datagramsize 84 *Mar 1 10:37:02.071: Serial1/0(i): dlci 302(0x48E1), pkt type 0x800, datagramsize 84 R3# *Mar 1 10:37:03.185: Serial1/0(o): dlci 302(0x48E1), pkt type 0x800(IP), datagramsize 88 *Mar 1 10:37:03.185: Serial1/0(o): dlci 301(0x48D1), pkt type 0x800(IP), datagramsize 88 R3#u a;l  ll All possible debugging has been turned off R3# RACK14AS>2 [Resuming connection 2 to r2 ... ] *M R2#sh ip ospf vir Virtual Link OSPF_VL1 to router 3.3.3.3 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0.1, Cost of using 7812 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:09 Adjacency State INIT (Hello suppressed) Index 0/0, retransmission queue length 0, number of retransmission 0 First 0x0(0)/0x0(0) Next 0x0(0)/0x0(0) Last retransmission scan length is 0, maximum is 0 Last retransmission scan time is 0 msec, maximum is 0 msec Message digest authentication enabled Youngest key id is 1 R2#deb ip ospf vir ^ % Invalid input detected at '^' marker. R2#deb ip ospf vir   ev OSPF events debugging is on R2# *Mar 1 10:37:33.302: OSPF: Rcv hello from 11.11.11.11 area 0 from Serial1/0.2 180.40.7.66 *Mar 1 10:37:33.302: OSPF: End of hello processing *Mar 1 10:37:33.996: OSPF: Send with youngest Key 1 *Mar 1 10:37:33.996: OSPF: Send hello to 224.0.0.5 area 0 on Serial1/0.2 from 180.40.7.65 R2# *Mar 1 10:37:35.057: OSPF: Send with youngest Key 1 *Mar 1 10:37:35.057: OSPF: Send hello to 180.40.7.3 area 0 on OSPF_VL1 from 208.28.1.3 *Mar 1 10:37:35.682: OSPF: Rcv hello from 3.3.3.3 area 0 from OSPF_VL1 180.40.7.3 *Mar 1 10:37:35.682: OSPF: End of hello processing *Mar 1 10:37:36.035: OSPF: Send hello to 224.0.0.5 area 200 on Serial1/2 from 180.40.7.2 R2# *Mar 1 10:37:39.937: OSPF: Send hello to 224.0.0.5 area 51 on FastEthernet0/1 from 208.28.1.129 *Mar 1 10:37:40.114: OSPF: Rcv hello from 3.3.3.3 area 200 from Serial1/2 180.40.7.3 *Mar 1 10:37:40.118: OSPF: End of hello processing *Mar 1 10:37:40.434: OSPF: Rcv hello from 5.5.5.5 area 51 from FastEthernet0/1 208.28.1.130 *Mar 1 10:37:40.434: OSPF: End of hello processing R2# *Mar 1 10:37:43.307: OSPF: Rcv hello from 11.11.11.11 area 0 from Serial1/0.2 180.40.7.66 *Mar 1 10:37:43.307: OSPF: End of hello processing *Mar 1 10:37:43.996: OSPF: Send with youngest Key 1 *Mar 1 10:37:43.996: OSPF: Send hello to 224.0.0.5 area 0 on Serial1/0.2 from 180.40.7.65 R2# *Mar 1 10:37:45.058: OSPF: Send with youngest Key 1 *Mar 1 10:37:45.058: OSPF: Send hello to 180.40.7.3 area 0 on OSPF_VL1 from 208.28.1.3 *Mar 1 10:37:45.683: OSPF: Rcv hello from 3.3.3.3 area 0 from OSPF_VL1 180.40.7.3 *Mar 1 10:37:45.683: OSPF: End of hello processing *Mar 1 10:37:46.035: OSPF: Send hello to 224.0.0.5 area 200 on Serial1/2 from 180.40.7.2 R2#u all All possible debugging has been turned off R2#u   sd  deb ip ospf pack k OSPF packet debugging is on R2# *Mar 1 10:38:15.684: OSPF: rcv. v:2 t:1 l:44 rid:3.3.3.3 aid:0.0.0.0 chk:0 aut:2 keyid:1 seq:0x2B91E715 from Serial1/2 R2# *Mar 1 10:38:20.115: OSPF: rcv. v:2 t:1 l:48 rid:3.3.3.3 aid:0.0.0.200 chk:E0E8 aut:0 auk: from Serial1/2 *Mar 1 10:38:20.436: OSPF: rcv. v:2 t:1 l:48 rid:5.5.5.5 aid:0.0.0.51 chk:343D aut:0 auk: from FastEthernet0/1 R2#u *Mar 1 10:38:23.312: OSPF: rcv. v:2 t:1 l:48 rid:11.11.11.11 aid:0.0.0.0 chk:0 aut:2 keyid:1 seq:0x2B91E729 from Serial1/0.2 R2#u al *Mar 1 10:38:24.398: OSPF: rcv. v:2 t:4 l:76 rid:5.5.5.5 aid:0.0.0.51 chk:A5BE aut:0 auk: from FastEthernet0/1 R2#u all All possible debugging has been turned off R2# *Mar 1 10:38:25.684: OSPF: rcv. v:2 t:1 l:44 rid:3.3.3.3 aid:0.0.0.0 chk:0 aut:2 keyid:1 seq:0x2B91E71F from Serial1/2 R2#sh ip ospf vir Virtual Link OSPF_VL1 to router 3.3.3.3 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0.1, Cost of using 7812 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:03 Adjacency State INIT (Hello suppressed) Index 0/0, retransmission queue length 0, number of retransmission 0 First 0x0(0)/0x0(0) Next 0x0(0)/0x0(0) Last retransmission scan length is 0, maximum is 0 Last retransmission scan time is 0 msec, maximum is 0 msec Message digest authentication enabled Youngest key id is 1 R2#shrun      h run | b ospf ip ospf network point-to-point ! interface FastEthernet0/0 no ip address shutdown duplex auto speed auto ! interface BRI0/0 no ip address shutdown ! interface FastEthernet0/1 ip address 208.28.1.129 255.255.255.224 duplex auto speed auto ! interface Serial1/0 no ip address encapsulation frame-relay no fair-queue ! interface Serial1/0.1 multipoint --More--   ip address 208.28.1.3 255.255.255.248 ip ospf network broadcast ip ospf hello-interval 30 ip ospf priority 0 frame-relay map ip 208.28.1.1 203 broadcast frame-relay map ip 208.28.1.2 203 broadcast ! interface Serial1/0.2 multipoint ip address 180.40.7.65 255.255.255.224 ip ospf message-digest-key 1 md5 cisco ip ospf network point-to-point frame-relay interface-dlci 201 ! interface Serial1/1 no ip address shutdown ! interface Serial1/2 ip address 180.40.7.2 255.255.255.224 clock rate 64000 ! interface Serial1/3 no ip address --More--   shutdown ! interface Serial1/4 no ip address shutdown ! interface Serial1/5 no ip address shutdown ! interface Serial1/6 no ip address shutdown ! interface Serial1/7 no ip address shutdown ! router ospf 1 router-id 2.2.2.2 log-adjacency-changes auto-cost reference-bandwidth 1000 area 0 authentication message-digest --More--   area 51 nssa no-redistribution no-summary --More--   area 51 default-cost 0 --More--   area 200 virtual-link 3.3.3.3 message-digest-key 1 md5 notcisco --More--   redistribute connected subnets tag 2 --More--   network 180.40.7.2 0.0.0.0 area 200 --More--   network 180.40.7.65 0.0.0.0 area 0 --More--   network 202.2.2.2 0.0.0.0 area 0 --More--   network 208.28.1.3 0.0.0.0 area 200 --More--   network 208.28.1.129 0.0.0.0 area 51 --More--   R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#router ospf 12 R2(config-router)#router ospf 12nrouter ospf 12orouter ospf 12 router ospf 12 R2(config)#no router ospf 12router ospf 12 area 200 vir 3.3.3.3 message-digest-key 1 md5 notciscorouter ospf 12   R2(config-router)#no area 200 virtual-link 3.3.3.3 message-digest-key 1 md5 $0 virtual-link 3.3.3.3 message-digest-key 1 md5 n otcisco no area 200 virtual-link 3.3.3.3 message-digest-key 1 md5 notcisco ^ % Invalid input detected at '^' marker. R2(config-router)#$0 virtual-link 3.3.3.3 message-digest-key 1 md5 notcisco              R2(config-router)#do shr  run | b rotuer      uter ospf router ospf 1 router-id 2.2.2.2 log-adjacency-changes auto-cost reference-bandwidth 1000 area 0 authentication message-digest area 51 nssa no-redistribution no-summary area 51 default-cost 0 area 200 virtual-link 3.3.3.3 redistribute connected subnets tag 2 network 180.40.7.2 0.0.0.0 area 200 network 180.40.7.65 0.0.0.0 area 0 network 202.2.2.2 0.0.0.0 area 0 network 208.28.1.3 0.0.0.0 area 200 network 208.28.1.129 0.0.0.0 area 51 ! ip classless ! no ip http server no ip http secure-server ! ! ! ! --More--   R2(config-router)#o   no area 200 virtual-link 3.3.3.3 R2(config-router)# *Mar 1 10:40:05.456: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on OSPF_VL1 from INIT to DOWN, Neighbor Down: Interface down or detached R2(config-router)# *Mar 1 10:40:05.688: %OSPF-4-ERRRCV: Received invalid packet: mismatch area ID, from backbone area must be virtual-link but not found from 180.40.7.3, Serial1/2 R2(config-router)#no area 200 virtual-link 3.3.3.3do sh run | b router ospf no area 200 virtual-link 3.3.3.3 message-digest-key 1no area 200 virtual-link 3.3.3.3 message-digest-key 1  area 200 virtual-link 3.3.3.3 message-digest-key 1  area 200 virtual-link 3.3.3.3 message-digest-key 1  % Incomplete command. R2(config-router)# area 200 virtual-link 3.3.3.3 message-digest-key 1 *Mar 1 10:40:15.689: %OSPF-4-ERRRCV: Received invalid packet: mismatch area ID, from backbone area must be virtual-link but not found from 180.40.7.3, Serial1/2 R2(config-router)# area 200 virtual-link 3.3.3.3 message-digest-key 1 md notc$irtual-link 3.3.3.3 message-digest-key 1 md notci sco R2(config-router)#^Z R2# *Mar 1 10:40:22.211: %SYS-5-CONFIG_I: Configured from console by console R2#deb ip ospf packl     ev OSPF events debugging is on R2# *Mar 1 10:40:31.450: OSPF: Send with youngest Key 1 *Mar 1 10:40:31.450: OSPF: Send hello to 180.40.7.3 area 0 on OSPF_VL2 from 208.28.1.3 R2# *Mar 1 10:40:33.273: OSPF: Rcv hello from 11.11.11.11 area 0 from Serial1/0.2 180.40.7.66 *Mar 1 10:40:33.273: OSPF: End of hello processing *Mar 1 10:40:34.015: OSPF: Send with youngest Key 1 *Mar 1 10:40:34.015: OSPF: Send hello to 224.0.0.5 area 0 on Serial1/0.2 from 180.40.7.65 R2# *Mar 1 10:40:35.689: OSPF: Rcv hello from 3.3.3.3 area 0 from OSPF_VL2 180.40.7.3 *Mar 1 10:40:35.689: OSPF: End of hello processing *Mar 1 10:40:36.150: OSPF: Send hello to 224.0.0.5 area 200 on Serial1/2 from 180.40.7.2 R2# *Mar 1 10:40:40.085: OSPF: Send hello to 224.0.0.5 area 51 on FastEthernet0/1 from 208.28.1.129 *Mar 1 10:40:40.121: OSPF: Rcv hello from 3.3.3.3 area 200 from Serial1/2 180.40.7.3 *Mar 1 10:40:40.125: OSPF: End of hello processing *Mar 1 10:40:40.437: OSPF: Rcv hello from 5.5.5.5 area 51 from FastEthernet0/1 208.28.1.130 *Mar 1 10:40:40.437: OSPF: End of hello processing R2# *Mar 1 10:40:41.451: OSPF: Send with youngest Key 1 *Mar 1 10:40:41.451: OSPF: Send hello to 180.40.7.3 area 0 on OSPF_VL2 from 208.28.1.3 R2# *Mar 1 10:40:43.310: OSPF: Rcv hello from 11.11.11.11 area 0 from Serial1/0.2 180.40.7.66 *Mar 1 10:40:43.310: OSPF: End of hello processing *Mar 1 10:40:44.015: OSPF: Send with youngest Key 1 *Mar 1 10:40:44.015: OSPF: Send hello to 224.0.0.5 area 0 on Serial1/0.2 from 180.40.7.65 R2# *Mar 1 10:40:45.690: OSPF: Rcv hello from 3.3.3.3 area 0 from OSPF_VL2 180.40.7.3 *Mar 1 10:40:45.690: OSPF: End of hello processing *Mar 1 10:40:46.151: OSPF: Send hello to 224.0.0.5 area 200 on Serial1/2 from 180.40.7.2 R2#sh ip ospf vir Virtual Link OSPF_VL2 to router 3.3.3.3 is up Run as demand circuit DoNotAge LSA allowed. Transit area 200, via interface Serial1/0.1, Cost of using 7812 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:00 Adjacency State INIT (Hello suppressed) Index 0/0, retransmission queue length 0, number of retransmission 0 First 0x0(0)/0x0(0) Next 0x0(0)/0x0(0) Last retransmission scan length is 0, maximum is 0 Last retransmission scan time is 0 msec, maximum is 0 msec Message digest authentication enabled Youngest key id is 1 R2# *Mar 1 10:40:50.085: OSPF: Send hello to 224.0.0.5 area 51 on FastEthernet0/1 from 208.28.1.129 *Mar 1 10:40:50.121: OSPF: Rcv hello from 3.3.3.3 area 200 from Serial1/2 180.40.7.3 *Mar 1 10:40:50.125: OSPF: End of hello processing *Mar 1 10:40:50.438: OSPF: Rcv hello from 5.5.5.5 area 51 from FastEthernet0/1 208.28.1.130 *Mar 1 10:40:50.438: OSPF: End of hello processing R2# *Mar 1 10:40:51.451: OSPF: Send with youngest Key 1 *Mar 1 10:40:51.451: OSPF: Send hello to 180.40.7.3 area 0 on OSPF_VL2 from 208.28.1.3 R2#u al *Mar 1 10:40:53.342: OSPF: Rcv hello from 11.11.11.11 area 0 from Serial1/0.2 180.40.7.66 *Mar 1 10:40:53.342: OSPF: End of hello processing *Mar 1 10:40:54.015: OSPF: Send with youngest Key 1 *Mar 1 10:40:54.015: OSPF: Send hello to 224.0.0.5 area 0 on Serial1/0.2 from 180.40.7.65 R2#u all All possible debugging has been turned off R2# RACK14AS>1 [Resuming connection 1 to r1 ... ] *Ma R1#sh run | b 1 ~ 0/0.1 2 interface Serial0/0.2 point-to-point ip address 180.40.7.66 255.255.255.224 ip ospf message-digest-key 1 md5 cisco frame-relay interface-dlci 102 ! interface Ethernet0/1 no ip address shutdown half-duplex ! interface Serial0/1 no ip address shutdown ! router ospf 1 router-id 11.11.11.11 log-adjacency-changes auto-cost reference-bandwidth 1000 area 0 authentication message-digest area 51 nssa no-redistribution no-summary area 200 virtual-link 3.3.3.3 message-digest-key 1 md5 notcisco redistribute connected subnets tag 1 network 180.40.7.66 0.0.0.0 area 0 --More--   network 208.28.1.1 0.0.0.0 area 200 network 208.28.1.66 0.0.0.0 area 51 ! no ip http server ip classless ! ! ! ! ! ! ! ! line con 0 exec-timeout 0 0 logging synchronous line aux 0 line vty 0 4 ! ! end R1# R1# RACK14AS>2 [Resuming connection 2 to r2 ... ] R2#SH RUN \ | b 1/0.1 2 interface Serial1/0.2 multipoint ip address 180.40.7.65 255.255.255.224 ip ospf message-digest-key 1 md5 cisco ip ospf network point-to-point frame-relay interface-dlci 201 ! interface Serial1/1 no ip address shutdown ! interface Serial1/2 ip address 180.40.7.2 255.255.255.224 clock rate 64000 ! interface Serial1/3 no ip address shutdown ! interface Serial1/4 no ip address shutdown ! interface Serial1/5 --More--   no ip address shutdown ! interface Serial1/6 no ip address shutdown ! interface Serial1/7 no ip address shutdown ! router ospf 1 router-id 2.2.2.2 log-adjacency-changes auto-cost reference-bandwidth 1000 area 0 authentication message-digest area 51 nssa no-redistribution no-summary area 51 default-cost 0 area 200 virtual-link 3.3.3.3 message-digest-key 1 md5 notcisco redistribute connected subnets tag 2 network 180.40.7.2 0.0.0.0 area 200 network 180.40.7.65 0.0.0.0 area 0 network 202.2.2.2 0.0.0.0 area 0 --More--   network 208.28.1.3 0.0.0.0 area 200 network 208.28.1.129 0.0.0.0 area 51 ! ip classless ! no ip http server no ip http secure-server ! ! ! ! ! ! ! ! ! ! line con 0 exec-timeout 0 0 logging synchronous line aux 0 line vty 0 4 ! --More--   R2# RACK14AS>3 [Resuming connection 3 to r3 ... ] R3#sh run | b rotuer    uter router ospf 1 router-id 3.3.3.3 log-adjacency-changes auto-cost reference-bandwidth 1000 area 0 authentication message-digest area 200 virtual-link 2.2.2.2 message-digest-key 1 md5 notcisco area 200 virtual-link 11.11.11.11 message-digest-key 1 md5 notcisco redistribute connected subnets tag 3 network 17.80.1.1 0.0.0.0 area 51 network 180.40.7.3 0.0.0.0 area 200 network 208.28.1.2 0.0.0.0 area 200 neighbor 208.28.1.1 ! ip classless ! no ip http server no ip http secure-server ! ! ! ! ! ! --More--   R3#