=~=~=~=~=~=~=~=~=~=~=~= PuTTY log 2006.03.29 10:50:10 =~=~=~=~=~=~=~=~=~=~=~= 1 [Resuming connection 1 to r1 ... ] R1#sh a ip int brie Interface IP-Address OK? Method Status Protocol Ethernet0/0 208.28.1.66 YES manual up up Serial0/0 unassigned YES manual up up Serial0/0.1 208.28.1.1 YES manual up up Serial0/0.2 180.40.7.66 YES manual up up Ethernet0/1 unassigned YES unset administratively down down Serial0/1 unassigned YES manual administratively down down R1#  config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#int lo 1 0 R1(config-if)#ip add 1.1.1.  1 255.255.255.0 R1(config-if)# RACK15AS>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 2.2.2.2 255.255.255.0 R2(config-if)# RACK15AS>3 [Resuming connection 3 to r3 ... ] R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#int lo 0 R3(config-if)#ip add 3.3.3.3 255.255.255.0 R3(config-if)#router ospf 1 R3(config-router)#route 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)#red R3(config-router)#redistribute con R3(config-router)#redistribute connected % Only classful networks will be redistributed R3(config-router)#redistribute connected  su R3(config-router)#redistribute connected subnets R3(config-router)# RACK15AS>2 [Resuming connection 2 to r2 ... ] R2(config-if)#router oepg 1 ^ % Invalid input detected at '^' marker. R2(config)#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 area 200 R2(config-router)#redi R2(config-router)#redistribute con su R2(config-router)#redistribute con subnets R2(config-router)# RACK15AS>1 [Resuming connection 1 to r1 ... ] R1(config-if)#router ospf 1 R1(config-router)#route   R1(config-router)#router-id 1.1.1.1 R1(config-router)#net 208.28.1.1 0.0.0.0 area 0 200 R1(config-router)#net 180.40.7.66 0.0.0.0 area 0 R1(config-router)#redis R1(config-router)#redistribute con sub R1(config-router)# RACK15AS>2 [Resuming connection 2 to r2 ... ] R2(config-router)#net 180.40.7.65 0.0.00.    .0 area 0 R2(config-router)#do sh ip i 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 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 00:00:11 Wait time before Designated router selection 00:00:11 Index 1/1, 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-router)#do sh ip ospf int s 1/0.1 3 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 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 00:00:06 Wait time before Designated router selection 00:01:06 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-router)# RACK15AS>1 [Resuming connection 1 to r1 ... ] R1(config-router)#do sh ip in  osof int      pf int Serial0/0.2 is up, line protocol is up Internet Address 180.40.7.66/27, Area 0 Process ID 1, Router ID 1.1.1.1, Network Type POINT_TO_POINT, Cost: 64 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 1/2, 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) 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 POINT_TO_POINT, Cost: 64 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 00:00:07 Index 1/1, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 0, maximum is 0 --More--   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) R1(config-router)# RACK15AS>2 [Resuming connection 2 to r2 ... ] R2(config-router)#int s 1/0.2 R2(config-subif)#ip ospf ne R2(config-subif)#ip ospf network po R2(config-subif)#ip ospf network point-to-p R2(config-subif)#ip ospf network point-to-point R2(config-subif)#do sh run int *Mar 1 19:17:23.632: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Serial1/0.2 from LOADING to FULL, Loading Done R2(config-subif)#do 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(config-subif)#int     no 1  frame-relay interface-dlci 201 R2(config-subif)#fram map ip 180.40.7.66 201 R2(config-subif)#fram map ip 180.40.7.66 201 br R2(config-subif)#int s 1/0.1 R2(config-subif)#int s 1/0.1fram map ip 180.40.7.66 201 br no frame-relay interface-dlci 201do sh run int s 1/0.2  1 Building configuration... Current configuration : 111 bytes ! interface Serial1/0.1 multipoint ip address 208.28.1.3 255.255.255.248 frame-relay interface-dlci 203 end R2(config-subif)#no frame-relay interface-dlci 203 R2(config-subif)#fram map ip 208.28.1.2 2036  bro R2(config-subif)#fram map ip 208.28.1.2 203 broadcast R2(config-subif)#ip ospf pri R2(config-subif)#ip ospf priority 0 R2(config-subif)# RACK15AS>1 [Resuming connection 1 to r1 ... ] * R1(config-router)#int s 1 0/0.1 R1(config-subif)#ip ospf net R1(config-subif)#ip ospf network n R1(config-subif)#ip ospf network non-broadcast R1(config-subif)#ip ospf pri R1(config-subif)#ip ospf priority 0 R1(config-subif)# RACK15AS>3 [Resuming connection 3 to r3 ... ] R3(config-router)#do sh run int s 1/0 Building configuration... Current configuration : 111 bytes ! interface Serial1/0 ip address 208.28.1.2 255.255.255.248 encapsulation frame-relay ip split-horizon end R3(config-router)#int s 1/0 R3(config-if)#no fram inv R3(config-if)#no fram inverse-arp R3(config-if)#fram map iop  p 208.28.1.1 301 br R3(config-if)#fram map ip 208.28.1.1 301 br br 2 br1 br1 br  302 br 3 302 br R3(config-if)#router soi   ospf 1 R3(config-router)#nei 208.28.1.1 R3(config-router)#nei 208.28.1.1   3 R3(config-router)#^Z R3#sh i *Mar 1 19:23:08.982: %SYS-5-CONFIG_I: Configured from console by console R3#sh ip ospf nrei   eio \ ^ % Invalid input detected at '^' marker. R3#sh ip ospf nei\  Neighbor ID Pri State Dead Time Address Interface N/A 0 ATTEMPT/DROTHER 00:01:45 208.28.1.1 Serial1/0 N/A 0 ATTEMPT/DROTHER 00:01:49 208.28.1.3 Serial1/0 R3# *Mar 1 19:23:22.496: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Serial1/0 from LOADING to FULL, Loading Done *Mar 1 19:23:22.544: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial1/0 from LOADING to FULL, Loading Done R3#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 FULL/DROTHER 00:01:33 208.28.1.1 Serial1/0 2.2.2.2 0 FULL/DROTHER 00:01:57 208.28.1.3 Serial1/0 R3# R3# R3# R3#sah ip       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 1.0.0.0/24 is subnetted, 1 subnets O E2 1.1.1.0 [110/20] via 208.28.1.1, 00:00:42, Serial1/0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 208.28.1.3, 00:00:42, Serial1/0 3.0.0.0/24 is subnetted, 1 subnets C 3.3.3.0 is directly connected, Loopback0 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, 00:00:43, Serial1/0 O E2 208.28.1.64/28 [110/20] via 208.28.1.1, 00:00:43, 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, 00:00:44, Serial1/0 R3# RACK15AS>1 [Resuming connection 1 to r1 ... ] *M R1(config-subif)#^Z R1# *Mar 1 19:25:48.829: %SYS-5-CONFIG_I: Configured from console by console R1# RACK15AS>2 [Resuming connection 2 to r2 ... ] *Mar R2(config-subif)#ip ospf priority 0 fram map ip 208.28.1.1 203 br R2(config-subif)#exit R2(config)#router ospf 1 R2(config-router)#nei 208.28.1.1 R2(config-router)# RACK15AS>1 [Resuming connection 1 to r1 ... ] R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#router ispf    ospf 1 R1(config-router)#nei 208.28.1.3 R1(config-router)# RACK15AS>2 [Resuming connection 2 to r2 ... ] R2(config-router)#do deb ip ospf adj OSPF adjacency events debugging is on R2(config-router)#do deb ip ospf adj   pa OSPF packet debugging is on R2(config-router)#do deb ip ospf pa    ev OSPF events debugging is on R2(config-router)# *Mar 1 19:25:43.055: OSPF: Send hello to 224.0.0.5 area 0 on Serial1/0.2 from 180.40.7.65 *Mar 1 19:25:43.179: OSPF: rcv. v:2 t:1 l:48 rid:1.1.1.1 aid:0.0.0.0 chk:E5B4 aut:0 auk: from Serial1/0.2 *Mar 1 19:25:43.179: OSPF: Rcv hello from 1.1.1.1 area 0 from Serial1/0.2 180.40.7.66 *Mar 1 19:25:43.179: OSPF: End of hello processing R2(config-router)#d  *Mar 1 19:25:50.379: OSPF: rcv. v:2 t:1 l:52 rid:3.3.3.3 aid:0.0.0.200 chk:D48 aut:0 auk: from Serial1/0.1 *Mar 1 19:25:50.379: OSPF: Rcv hello from 3.3.3.3 area 200 from Serial1/0.1 208.28.1.2 *Mar 1 19:25:50.379: OSPF: End of hello processing R2(config-router)# *Mar 1 19:25:53.055: OSPF: Send hello to 224.0.0.5 area 0 on Serial1/0.2 from 180.40.7.65 *Mar 1 19:25:53.207: OSPF: rcv. v:2 t:1 l:48 rid:1.1.1.1 aid:0.0.0.0 chk:E5B4 aut:0 auk: from Serial1/0.2 *Mar 1 19:25:53.207: OSPF: Rcv hello from 1.1.1.1 area 0 from Serial1/0.2 180.40.7.66 *Mar 1 19:25:53.207: OSPF: End of hello processing R2(config-router)# *Mar 1 19:26:01.577: OSPF: Send hello to 208.28.1.2 area 200 on Serial1/0.1 from 208.28.1.3 R2(config-router)# *Mar 1 19:26:03.055: OSPF: Send hello to 224.0.0.5 area 0 on Serial1/0.2 from 180.40.7.65 *Mar 1 19:26:03.200: OSPF: rcv. v:2 t:1 l:48 rid:1.1.1.1 aid:0.0.0.0 chk:E5B4 aut:0 auk: from Serial1/0.2 *Mar 1 19:26:03.200: OSPF: Rcv hello from 1.1.1.1 area 0 from Serial1/0.2 180.40.7.66 *Mar 1 19:26:03.204: OSPF: End of hello processing R2(config-router)# *Mar 1 19:26:13.056: OSPF: Send hello to 224.0.0.5 area 0 on Serial1/0.2 from 180.40.7.65 *Mar 1 19:26:13.236: OSPF: rcv. v:2 t:1 l:48 rid:1.1.1.1 aid:0.0.0.0 chk:E5B4 aut:0 auk: from Serial1/0.2 *Mar 1 19:26:13.236: OSPF: Rcv hello from 1.1.1.1 area 0 from Serial1/0.2 180.40.7.66 *Mar 1 19:26:13.236: OSPF: End of hello processing R2(config-router)# *Mar 1 19:26:20.380: OSPF: rcv. v:2 t:1 l:52 rid:3.3.3.3 aid:0.0.0.200 chk:D48 aut:0 auk: from Serial1/0.1 *Mar 1 19:26:20.380: OSPF: Rcv hello from 3.3.3.3 area 200 from Serial1/0.1 208.28.1.2 *Mar 1 19:26:20.380: OSPF: End of hello processing R2(config-router)# *Mar 1 19:26:23.056: OSPF: Send hello to 224.0.0.5 area 0 on Serial1/0.2 from 180.40.7.65 *Mar 1 19:26:23.205: OSPF: rcv. v:2 t:1 l:48 rid:1.1.1.1 aid:0.0.0.0 chk:E5B4 aut:0 auk: from Serial1/0.2 *Mar 1 19:26:23.209: OSPF: Rcv hello from 1.1.1.1 area 0 from Serial1/0.2 180.40.7.66 *Mar 1 19:26:23.209: OSPF: End of hello processing R2(config-router)#do u all All possible debugging has been turned off R2(config-router)# RACK15AS>3 [Resuming connection 3 to r3 ... ] R3#deb ip osp pac OSPF packet debugging is on R3#deb ip osp pac   *Mar 1 19:26:39.760: OSPF: rcv. v:2 t:1 l:48 rid:1.1.1.1 aid:0.0.0.200 chk:1151 aut:0 auk: from Serial1/0 R3#deb ip osp p  RACK15AS>2 [Resuming connection 2 to r2 ... ] R2(config-router)#do u alldeb ip ospf evpaadjnei 208.28.1.1  *Mar 1 19:27:04.240: %OSPF-5-ADJCHG: Process 1, Nbr 0.0.0.0 on Serial1/0.1 from ATTEMPT to DOWN, Neighbor Down: Dead timer expired R2(config-router)#nei 208.28.1.1nnei 208.28.1.1onei 208.28.1.1 nei 208.28.1.1 R2(config-router)#do u *Mar 1 19:27:07.986: %OSPF-5-ADJCHG: Process 1, Nbr 0.0.0.0 on Serial1/0.1 from ATTEMPT to DOWN, Neighbor Down: Neighbor deconfigured R2(config-router)#do u all All possible debugging has been turned off R2(config-router)#^Z R2# RACK15AS>1 [Resuming connection 1 to r1 ... ] *M R1(config-router)#nei 208.28.1.3nnei 208.28.1.3onei 208.28.1.3 nei 208.28.1.3 R1(config-router)#^Z R1# *Mar 1 19:29:16.329: %OSPF-5-ADJCHG: Process 1, Nbr 0.0.0.0 on Serial0/0.1 from ATTEMPT to DOWN, Neighbor Down: Neighbor deconfigured *Mar 1 19:29:16.605: %SYS-5-CONFIG_I: Configured from console by console R1# R1# R1# R1#sh run | b inter interface Loopback0 ip address 1.1.1.1 255.255.255.0 ! 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 non-broadcast 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 --More--   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 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# RACK15AS>2 [Resuming connection 2 to r2 ... ] *Mar R2#sh run \ | b interface Serial1/0.1 interface Serial1/0.1 multipoint ip address 208.28.1.3 255.255.255.248 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 map ip 180.40.7.66 201 broadcast ! 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 network 180.40.7.65 0.0.0.0 area 0 network 208.28.1.3 0.0.0.0 area 200 ! --More--   R2#sh run int lo 0 Building configuration... Current configuration : 61 bytes ! interface Loopback0 ip address 2.2.2.2 255.255.255.0 end R2# R2# RACK15AS>1 [Resuming connection 1 to r1 ... ] R1#sh run int lo 0 Building configuration... Current configuration : 61 bytes ! interface Loopback0 ip address 1.1.1.1 255.255.255.0 end R1# R1# RACK15AS>3 [Resuming connection 3 to r3 ... ] * R3#sh ru nin    n | n b interface Loo interface Loopback0 ip address 3.3.3.3 255.255.255.0 ! 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-- *Mar 1 19:30:03.686: 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 --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 network 208.28.1.2 0.0.0.0 area 200 neighbor 208.28.1.1 neighbor 208.28.1.3 ! ip classless ! no ip http server no ip http secure-server ! ! ! ! --More--   R3# *Mar 1 19:30:09.840: OSPF: rcv. v:2 t:1 l:48 rid:1.1.1.1 aid:0.0.0.200 chk:1151 aut:0 auk: from Serial1/0 R3# *Mar 1 19:30:33.471: 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 R3# *Mar 1 19:30:39.837: OSPF: rcv. v:2 t:1 l:48 rid:1.1.1.1 aid:0.0.0.200 chk:1151 aut:0 auk: from Serial1/0 R3#u all All possible debugging has been turned off R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#int s 1/0 R3(config-if)#shut R3(config-if)# *Mar 1 19:31:13.068: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Serial1/0 from 2WAY to DOWN, Neighbor Down: Interface down or detached *Mar 1 19:31:13.068: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial1/0 from 2WAY to DOWN, Neighbor Down: Interface down or detached R3(config-if)# *Mar 1 19:31:15.063: %LINK-5-CHANGED: Interface Serial1/0, changed state to administratively down *Mar 1 19:31:16.065: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial1/0, changed state to down R3(config-if)#sh run int s1/0 ^ % Invalid input detected at '^' marker. R3(config-if)#sh run int s1/0dsh run int s1/0osh run int s1/0 sh run int s1/0 Building configuration... Current configuration : 239 bytes ! interface Serial1/0 ip address 208.28.1.2 255.255.255.248 encapsulation frame-relay ip split-horizon shutdown 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(config-if)#no frame-relay map ip 208.28.1.1 301 broadcast R3(config-if)# frame-relay map ip 208.28.1.1 301 R3(config-if)#no frame-relay map ip 208.28.1.3 302 broadcast R3(config-if)#no frame-relay map ip 208.28.1.3 302 broadcast           2no frame-relay map ip 208.28.1.3 302  frame-relay map ip 208.28.1.3 302  R3(config-if)#no shut R3(config-if)# *Mar 1 19:31:46.551: %LINK-3-UPDOWN: Interface Serial1/0, changed state to up *Mar 1 19:31:47.552: %LINEPROTO-5-UPDOWN: Line protocol on Interface Serial1/0, changed state to up R3(config-if)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface N/A 0 ATTEMPT/DROTHER 00:01:24 208.28.1.1 Serial1/0 N/A 0 ATTEMPT/DROTHER 00:01:24 208.28.1.3 Serial1/0 R3(config-if)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface N/A 0 ATTEMPT/DROTHER 00:00:29 208.28.1.1 Serial1/0 N/A 0 ATTEMPT/DROTHER 00:00:29 208.28.1.3 Serial1/0 R3(config-if)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface N/A 0 ATTEMPT/DROTHER 00:00:28 208.28.1.1 Serial1/0 N/A 0 ATTEMPT/DROTHER 00:00:28 208.28.1.3 Serial1/0 R3(config-if)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface N/A 0 ATTEMPT/DROTHER 00:00:23 208.28.1.1 Serial1/0 N/A 0 ATTEMPT/DROTHER 00:00:23 208.28.1.3 Serial1/0 R3(config-if)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface N/A 0 ATTEMPT/DROTHER 00:00:20 208.28.1.1 Serial1/0 N/A 0 ATTEMPT/DROTHER 00:00:20 208.28.1.3 Serial1/0 R3(config-if)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface N/A 0 ATTEMPT/DROTHER 00:00:19 208.28.1.1 Serial1/0 N/A 0 ATTEMPT/DROTHER 00:00:19 208.28.1.3 Serial1/0 R3(config-if)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface N/A 0 ATTEMPT/DROTHER 00:00:18 208.28.1.1 Serial1/0 N/A 0 ATTEMPT/DROTHER 00:00:18 208.28.1.3 Serial1/0 R3(config-if)#do sh ip ospf neino shut  R3(config-if)#do ping 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 = 56/58/61 ms R3(config-if)#do ping 208.28.1.1 3 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 208.28.1.3, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 56/58/60 ms R3(config-if)#do s deb fram pa *Mar 1 19:33:44.552: %OSPF-5-ADJCHG: Process 1, Nbr 0.0.0.0 on Serial1/0 from ATTEMPT to DOWN, Neighbor Down: Dead timer expired *Mar 1 19:33:44.552: %OSPF-5-ADJCHG: Process 1, Nbr 0.0.0.0 on Serial1/0 from ATTEMPT to DOWN, Neighbor Down: Dead timer expired *Mar 1 19:33:44.953: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Serial1/0 from LOADING to FULL, Loading Done R3(config-if)#do deb fram pac                *Mar 1 19:33:50.257: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial1/0 from LOADING to FULL, Loading Done R3(config-if)#c router ospf 1 R3(config-router)#nei     no nei 208.28.1.1 R3(config-router)#no nei 208.28.1.1  *Mar 1 19:34:26.473: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Serial1/0 from FULL to DOWN, Neighbor Down: Neighbor deconfigured R3(config-router)#no nei 208.28.1.33  R3(config-router)# *Mar 1 19:34:28.905: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial1/0 from FULL to DOWN, Neighbor Down: Neighbor deconfigured R3(config-router)#int fa 0/     s 1/0 R3(config-if)#int s 1/0no nei 208.28.1.31router ospf 1 do ping 208.28.1.31no shut do sh ip ospf neino shut  frame-relay map ip 208.28.1.3 302 broa R3(config-if)# *Mar 1 19:34:43.969: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial1/0 from LOADING to FULL, Loading Done R3(config-if)# *Mar 1 19:34:45.123: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Serial1/0 from LOADING to FULL, Loading Done R3(config-if)# frame-relay map ip 208.28.1.3 302 broaint s 1/0 no nei 208.28.1.31router ospf 1 do ping 208.28.1.31no shut do sh ip ospf neino shut  frame-relay map ip 208.28.1.3 302no frame-relay map ip 208.28.1.3 302 broadcast frame-relay map ip 208.28.1.1 301  bro R3(config-if)#do sh ru int s 1/0 % Ambiguous command: "sh ru int s 1/0" R3(config-if)#do sh ru int s 1/0n 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(config-if)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 FULL/DROTHER 00:01:34 208.28.1.1 Serial1/0 2.2.2.2 0 FULL/DROTHER 00:01:33 208.28.1.3 Serial1/0 R3(config-if)#ip ospf         do d clea ip ospf clea ip ospf % Incomplete command. R3(config-if)#do clea ip ospf pr Reset ALL OSPF processes? [no]: y R3(config-if)# *Mar 1 19:37:29.741: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Serial1/0 from 2WAY to DOWN, Neighbor Down: Interface down or detached *Mar 1 19:37:29.741: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial1/0 from 2WAY to DOWN, Neighbor Down: Interface down or detached R3(config-if)#ydo clea ip ospf pr sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 2WAY/DROTHER 00:01:56 208.28.1.1 Serial1/0 2.2.2.2 0 2WAY/DROTHER 00:01:56 208.28.1.3 Serial1/0 R3(config-if)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 2WAY/DROTHER 00:01:56 208.28.1.1 Serial1/0 2.2.2.2 0 2WAY/DROTHER 00:01:56 208.28.1.3 Serial1/0 R3(config-if)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 2WAY/DROTHER 00:01:55 208.28.1.1 Serial1/0 2.2.2.2 0 2WAY/DROTHER 00:01:59 208.28.1.3 Serial1/0 R3(config-if)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 2WAY/DROTHER 00:01:58 208.28.1.1 Serial1/0 2.2.2.2 0 2WAY/DROTHER 00:01:58 208.28.1.3 Serial1/0 R3(config-if)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 2WAY/DROTHER 00:01:57 208.28.1.1 Serial1/0 2.2.2.2 0 2WAY/DROTHER 00:01:57 208.28.1.3 Serial1/0 R3(config-if)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 2WAY/DROTHER 00:01:56 208.28.1.1 Serial1/0 2.2.2.2 0 2WAY/DROTHER 00:01:56 208.28.1.3 Serial1/0 R3(config-if)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 2WAY/DROTHER 00:01:56 208.28.1.1 Serial1/0 2.2.2.2 0 2WAY/DROTHER 00:01:56 208.28.1.3 Serial1/0 R3(config-if)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 2WAY/DROTHER 00:01:55 208.28.1.1 Serial1/0 2.2.2.2 0 2WAY/DROTHER 00:01:55 208.28.1.3 Serial1/0 R3(config-if)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 2WAY/DROTHER 00:01:55 208.28.1.1 Serial1/0 2.2.2.2 0 2WAY/DROTHER 00:01:55 208.28.1.3 Serial1/0 R3(config-if)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 2WAY/DROTHER 00:01:55 208.28.1.1 Serial1/0 2.2.2.2 0 2WAY/DROTHER 00:01:55 208.28.1.3 Serial1/0 R3(config-if)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 2WAY/DROTHER 00:01:59 208.28.1.1 Serial1/0 2.2.2.2 0 2WAY/DROTHER 00:01:59 208.28.1.3 Serial1/0 R3(config-if)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 2WAY/DROTHER 00:01:59 208.28.1.1 Serial1/0 2.2.2.2 0 2WAY/DROTHER 00:01:59 208.28.1.3 Serial1/0 R3(config-if)#ip ospf *Mar 1 19:39:30.086: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial1/0 from LOADING to FULL, Loading Done R3(config-if)#ip ospf *Mar 1 19:39:35.043: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Serial1/0 from LOADING to FULL, Loading Done R3(config-if)#ip ospf net br R3(config-if)#ip ospf net broadcast R3(config-if)# *Mar 1 19:40:01.458: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Serial1/0 from 2WAY to DOWN, Neighbor Down: Interface down or detached *Mar 1 19:40:01.458: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial1/0 from 2WAY to DOWN, Neighbor Down: Interface down or detached R3(config-if)#do sh run | b router router ospf 1 router-id 3.3.3.3 log-adjacency-changes redistribute connected subnets network 208.28.1.2 0.0.0.0 area 200 ! ip classless ! no ip http server no ip http secure-server ! ! ! ! ! ! ! ! ! ! line con 0 exec-timeout 0 0 logging synchronous --More--   R3(config-if)#ip ospf hel R3(config-if)#ip ospf hello-interval ? <1-65535> Seconds R3(config-if)#ip ospf hello-interval RACK15AS>1 [Resuming connection 1 to r1 ... ] * R1#sh ip ospf int Serial0/0.2 is up, line protocol is up Internet Address 180.40.7.66/27, Area 0 Process ID 1, Router ID 1.1.1.1, Network Type POINT_TO_POINT, Cost: 64 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 2 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) 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 NON_BROADCAST, Cost: 64 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 00:00:24 --More--   R1# RACK15AS>3 [Resuming connection 3 to r3 ... ] 30 R3(config-if)#ip ospf hello-interval 30 ^Z R3# *Mar 1 19:41:07.979: %SYS-5-CONFIG_I: Configured from console by console R3#sh ip sofp *Mar 1 19:41:13.969: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial1/0 from LOADING to FULL, Loading Done R3#sh ip sofp n     *Mar 1 19:41:15.155: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Serial1/0 from LOADING to FULL, Loading Done R3#sh ip so        sh run | b interface Ser1 ial1/0 interface Serial1/0 ip address 208.28.1.2 255.255.255.248 encapsulation frame-relay ip split-horizon ip ospf network broadcast ip ospf hello-interval 30 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 --More--   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 3.3.3.3 log-adjacency-changes redistribute connected subnets network 208.28.1.2 0.0.0.0 area 200 ! ip classless ! no ip http server --More--   R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#router ospf 1 R3(config-router)#net 180.4.0  0.7.3 0.0.0.0 area 200 R3(config-router)#net 17.80.1.1 0.0.0.0 area 51 R3(config-router)# RACK15AS>4 [Resuming connection 4 to r4 ... ] R4#confi gt ^ % Invalid input detected at '^' marker. R4#config t Enter configuration commands, one per line. End with CNTL/Z. R4(config)#router oso pf 1 R4(config-router)#route R4(config-router)#router-id 4.4.4.4 R4(config-router)#net 17.80.1.2 0.00.0.0.0.0 .0.0 area 51 R4(config-router)#^Z R4# *Mar 1 19:47:35.443: %SYS-5-CONFIG_I: Configured from console by console R4#ping 17.80.1.1 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 17.80.1.1, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/4 ms R4# *Mar 1 19:47:52.455: %OSPF-5-ADJCHG: Process 1, Nbr RACK15AS>3 [Resuming connection 3 to r3 ... ] * R3(config-router)#do 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 1.1.1.1 0 FULL/DROTHER 00:01:36 208.28.1.1 Serial1/0 2.2.2.2 0 FULL/DROTHER 00:01:35 208.28.1.3 Serial1/0 R3(config-router)# RACK15AS>4 [Resuming connection 4 to r4 ... ] 3 on FastEthernet0/0 fro R4#ping 17.80.1.1config t ping 17.80.1.1 sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 3.3.3.3 1 FULL/BDR 00:00:36 17.80.1.1 FastEthernet0/0 R4# RACK15AS>2 [Resuming connection 2 to r2 ... ] * R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#rouert     ter ospf 1 R2(config-router)#net 1803.4   .0 40.7.2 0.0.0.0 area 200 R2(config-router)#net 208.28.1.129 0.0.0.0 area 51 R2(config-router)# *Mar 1 19:46:58.766: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on Serial1/2 from LOADING to FULL, Loading Done R2(config-router)# RACK15AS>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)#net 208.28.. 1.66 0.0.0.0 area 51 R1(config-router)# RACK15AS>6 [Resuming connection 6 to r6 ... ] S6#config yt ^ % Invalid input detected at '^' marker. S6#config t Enter configuration commands, one per line. End with CNTL/Z. S6(config)#sh ip in nt briedsh ip int brieosh ip int brie sh ip int brie Interface IP-Address OK? Method Status Protocol Vlan1 unassigned YES manual administratively down down Vlan16 217.57.100.2 YES manual up up FastEthernet0/1 unassigned YES unset up up FastEthernet0/2 unassigned YES unset up up FastEthernet0/3 unassigned YES unset down down FastEthernet0/4 unassigned YES unset up up FastEthernet0/5 unassigned YES unset down down FastEthernet0/6 unassigned YES unset down down FastEthernet0/7 unassigned YES unset down down FastEthernet0/8 unassigned YES unset down down FastEthernet0/9 unassigned YES unset down down FastEthernet0/10 unassigned YES unset down down FastEthernet0/11 unassigned YES unset down down FastEthernet0/12 unassigned YES unset down down FastEthernet0/13 unassigned YES unset down down FastEthernet0/14 unassigned YES unset down down FastEthernet0/15 unassigned YES unset down down FastEthernet0/16 unassigned YES unset down down FastEthernet0/17 unassigned YES unset down down FastEthernet0/18 unassigned YES unset down down FastEthernet0/19 unassigned YES unset down down FastEthernet0/20 unassigned YES unset down down --More--  FastEthernet0/21 unassigned YES unset down down FastEthernet0/22 unassigned YES unset down down FastEthernet0/23 unassigned YES unset down down FastEthernet0/24 unassigned YES unset up up GigabitEthernet0/1 unassigned YES unset down down GigabitEthernet0/2 unassigned YES unset down down Loopback0 200.1.1.1 YES manual up up Loopback1 200.1.2.1 YES manual up up Loopback2 200.1.3.1 YES manual up up S6(config)# S6(config)# S6(config)# S6(config)# S6(config)#int lo 3 S6(config-if)#n oip a 19:51:21: %LINEPROTO-5-UPDOWN: Line protocol on Interface Loopback3, changed state to updd       ip add 200.1.0.1 255.255.255.0 S6(config-if)#router roi  ip S6(config-router)#n ver 2 S6(config-router)#no auto S6(config-router)#net 217.57.100.0 S6(config-router)#net 217.57.100.0           00.1.1.0 S6(config-router)#net 200.1.1.0.0 0.0 S6(config-router)#net 200.1.0.0.0 2.0 S6(config-router)#net 200.1.2.0.0 3.0 S6(config-router)#^Z S6# RACK15AS>5 [Resuming connection 5 to r5 ... ] S5#config t Enter configuration commands, one per line. End with CNTL/Z. S5(config)#router rp ip S5(config-router)#ver 2 S5(config-router)#no aut S5(config-router)#net 217.57.100.0 S5(config-router)#do sh ip oroute sh ip oroute ^ % Invalid input detected at '^' marker. S5(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, 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 R 200.1.0.0/24 [120/1] via 217.57.100.2, 00:00:09, Vlan16 R 200.1.1.0/24 [120/1] via 217.57.100.2, 00:00:09, Vlan16 R 200.1.2.0/24 [120/1] via 217.57.100.2, 00:00:09, Vlan16 C 217.57.100.0/24 is directly connected, Vlan16 R 200.1.3.0/24 [120/1] via 217.57.100.2, 00:00:09, Vlan16 208.28.1.0/24 is variably subnetted, 2 subnets, 2 masks C 208.28.1.128/27 is directly connected, Vlan20 C 208.28.1.64/29 is directly connected, Vlan10 S5(config-router)#router ospf 1 S5(config-router)#route S5(config-router)#router-id 5.5.5.5 S5(config-router)#net 208.28.1.0 0.0.0.255 area 51 S5(config-router)#redi S5(config-router)#redistribute 19:54:44: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Vlan20 from LOADING to FULL, Loading Done S5(config-router)#redistribute rip sub S5(config-router)#redistribute rip subnets ? metric Metric for redistributed routes metric-type OSPF/IS-IS exterior metric type for redistributed routes route-map Route map reference tag Set tag for routes redistributed into OSPF S5(config-router)#redistribute rip subnets tag 5 S5(config-router)#router rip S5(config-router)#red S5(config-router)#redistribute ospf `1    1 ? match Redistribution of OSPF routes metric Metric for redistributed routes route-map Route map reference vrf VPN Routing/Forwarding Instance S5(config-router)#redistribute ospf 1 me S5(config-router)#redistribute ospf 1 metric ? <0-16> Default metric transparent Transparently redistribute metric S5(config-router)#redistribute ospf 1 metric 3 S5(config-router)# RACK15AS>6 [Resuming connection 6 to r6 ... ] 1 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 1.0.0.0/24 is subnetted, 1 subnets R 1.1.1.0 [120/3] via 217.57.100.1, 00:00:26, Vlan16 2.0.0.0/24 is subnetted, 1 subnets R 2.2.2.0 [120/3] via 217.57.100.1, 00:00:26, Vlan16 3.0.0.0/24 is subnetted, 1 subnets R 3.3.3.0 [120/3] via 217.57.100.1, 00:00:26, Vlan16 C 200.1.0.0/24 is directly connected, Loopback3 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, 4 subnets, 3 masks R 208.28.1.128/27 [120/3] via 217.57.100.1, 00:00:26, Vlan16 --More-- RACK15AS>1 [Resuming connection 1 to r1 ... ] R1(config-router)#do sh ip ospf      route 200.1.1.0 Routing entry for 200.1.1.0/24 Known via "ospf 1", distance 110, metric 20 Tag 5, type extern 2, forward metric 65 Last update from 180.40.7.65 on Serial0/0.2, 00:02:02 ago Routing Descriptor Blocks: * 180.40.7.65, from 5.5.5.5, 00:02:02 ago, via Serial0/0.2 Route metric is 20, traffic share count is 1 R1(config-router)#do sh ip route 200.1.1.0         3.3.3.0 Routing entry for 3.3.3.0/24 Known via "ospf 1", distance 110, metric 20, type extern 2, forward metric 64 Last update from 208.28.1.2 on Serial0/0.1, 00:02:42 ago Routing Descriptor Blocks: * 208.28.1.2, from 3.3.3.3, 00:02:42 ago, via Serial0/0.1 Route metric is 20, traffic share count is 1 R1(config-router)#do sh ip route 3.3.3.0200.1.1.0net 208.28.1.66 0.0.0.0 area 51do sh ip route 200.1.1.0 3.3.3.0  redsi R1(config-router)#redsi   R1(config-router)#redistribute con R1(config-router)#redistribute connected su R1(config-router)#redistribute connected subnets taf g 12 R1(config-router)#redistribute connected subnets tag 12  R1(config-router)#do sh run | b router 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 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(config-router)#x2 ^ % Invalid input detected at '^' marker. R1(config-router)# R1(config-router)# RACK15AS>2 [Resuming connection 2 to r2 ... ] *Mar R2(config-router)#red con su tag 2 R2(config-router)# RACK15AS>3 [Resuming connection 3 to r3 ... ] *Mar R3(config-router)#reds    con su tag 3 R3(config-router)# RACK15AS>1 [Resuming connection 1 to r1 ... ] R1(config-router)#x2do sh run | b routerredistribute connected subnets tag 12do sh ip route 3.3.3.0  Routing entry for 3.3.3.0/24 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, 00:00:03 ago Routing Descriptor Blocks: * 208.28.1.2, from 3.3.3.3, 00:00:03 ago, via Serial0/0.1 Route metric is 20, traffic share count is 1 R1(config-router)# RACK15AS>5 [Resuming connection 5 to r5 ... ] S5(config-router)#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 not set 1.0.0.0/24 is subnetted, 1 subnets O E2 1.1.1.0 [110/20] via 208.28.1.129, 00:01:11, Vlan20 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 208.28.1.129, 00:01:00, Vlan20 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 208.28.1.129, 00:00:37, Vlan20 R 200.1.0.0/24 [120/1] via 217.57.100.2, 00:00:06, Vlan16 R 200.1.1.0/24 [120/1] via 217.57.100.2, 00:00:06, Vlan16 R 200.1.2.0/24 [120/1] via 217.57.100.2, 00:00:06, Vlan16 C 217.57.100.0/24 is directly connected, Vlan16 R 200.1.3.0/24 [120/1] via 217.57.100.2, 00:00:07, Vlan16 208.28.1.0/24 is variably subnetted, 4 subnets, 3 masks C 208.28.1.128/27 is directly connected, Vlan20 --More--  C 208.28.1.64/29 is directly connected, Vlan10 O IA 208.28.1.64/28 [110/792] via 208.28.1.129, 00:04:42, Vlan20 O IA 208.28.1.0/29 [110/782] via 208.28.1.129, 00:04:42, Vlan20 180.40.0.0/27 is subnetted, 2 subnets O IA 180.40.7.0 [110/782] via 208.28.1.129, 00:04:42, Vlan20 O IA 180.40.7.64 [110/782] via 208.28.1.129, 00:04:42, Vlan20 S5(config-router)#do sh       ^Z S5#sh ip 20:00:13: %SYS-5-CONFIG_I: Configured from console by console S5#sh ip os nei Neighbor ID Pri State Dead Time Address Interface 2.2.2.2 1 FULL/DR 00:00:31 208.28.1.129 Vlan20 S5# S5# S5# S5#deb ip so  s ospf adj OSPF adjacency events debugging is on S5#ping 208.28.1.66 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 208.28.1.66, timeout is 2 seconds: .... RACK15AS>1 [Resuming connection 1 to r1 ... ] R1(config-router)#do pin 208.28.1.65 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 208.28.1.65, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 28/36/64 ms R1(config-router)# RACK15AS>5 [Resuming connection 5 to r5 ... ] . Su S5#ping 208.28.1.66 sh ip osp int 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 BDR, Priority 1 Designated Router (ID) 2.2.2.2, Interface address 208.28.1.129 Backup Designated router (ID) 5.5.5.5, Interface address 208.28.1.130 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 2/2, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 4, maximum is 4 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 (Designated Router) Suppress hello for 0 neighbor(s) Vlan10 is up, line protocol is up Internet Address 208.28.1.65/29, 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 No backup designated router on this network --More--   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 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) S5#deb ip ospf ev OSPF events debugging is on S5# 20:01:28: OSPF: Rcv hello from 1.1.1.1 area 51 from Vlan10 208.28.1.66 20:01:28: OSPF: Mismatched hello parameters from 208.28.1.66 20:01:28: OSPF: Dead R 40 C 40, Hello R 10 C 10 Mask R 255.255.255.240 C 255.255.255.248 20:01:29: OSPF: Send hello to 224.0.0.5 area 51 on Vlan10 from 208.28.1.65 20:01:29: OSPF: Send hello to 224.0.0.5 area 51 on Vlan20 from 208.28.1.130 20:01:29: OSPF: Rcv hello from 2.2.2.2 area 51 from Vlan20 208.28.1.129 20:01:29: OSPF: End of hello processing 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# 20:02:34: %SYS-5-CONFIG_I: Configured from console by console S5#config tu all deb ip ospf evsh ip osp int ping 208.28.1.66 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 208.28.1.66, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/4 ms S5# 20:02:38: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Vlan10 from LOADING to FULL, Loading Done S5#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 1 FULL/DR 00:00:37 208.28.1.66 Vlan10 2.2.2.2 1 FULL/DR 00:00:37 208.28.1.129 Vlan20 S5#sh ip ospf nei sh ipp    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 1.0.0.0/24 is subnetted, 1 subnets O E2 1.1.1.0 [110/20] via 208.28.1.66, 00:00:58, Vlan10 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 208.28.1.129, 00:00:58, Vlan20 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 208.28.1.66, 00:00:58, Vlan10 R 200.1.0.0/24 [120/1] via 217.57.100.2, 00:00:15, Vlan16 R 200.1.1.0/24 [120/1] via 217.57.100.2, 00:00:15, Vlan16 R 200.1.2.0/24 [120/1] via 217.57.100.2, 00:00:15, Vlan16 C 217.57.100.0/24 is directly connected, Vlan16 R 200.1.3.0/24 [120/1] via 217.57.100.2, 00:00:15, Vlan16 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks C 208.28.1.128/27 is directly connected, Vlan20 --More--  C 208.28.1.64/28 is directly connected, Vlan10 O IA 208.28.1.0/29 [110/65] via 208.28.1.66, 00:01:16, Vlan10 180.40.0.0/27 is subnetted, 2 subnets O IA 180.40.7.0 [110/782] via 208.28.1.129, 00:01:16, Vlan20 O IA 180.40.7.64 [110/65] via 208.28.1.66, 00:01:16, Vlan10 S5#x  RACK15AS>1 [Resuming connection 1 to r1 ... ] *Ma R1(config-router)#int s 10/0    0/0.1 R1(config-subif)#band 128 R1(config-subif)#band 128int s 0/0.1 2 R1(config-subif)#int s 0/0.2band 128  R1(config-subif)# RACK15AS>5 [Resuming connection 5 to r5 ... ] 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 1.0.0.0/24 is subnetted, 1 subnets O E2 1.1.1.0 [110/20] via 208.28.1.66, 00:00:03, Vlan10 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 208.28.1.129, 00:00:03, Vlan20 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 208.28.1.129, 00:00:03, Vlan20 [110/20] via 208.28.1.66, 00:00:03, Vlan10 R 200.1.0.0/24 [120/1] via 217.57.100.2, 00:00:09, Vlan16 R 200.1.1.0/24 [120/1] via 217.57.100.2, 00:00:09, Vlan16 R 200.1.2.0/24 [120/1] via 217.57.100.2, 00:00:09, Vlan16 C 217.57.100.0/24 is directly connected, Vlan16 R 200.1.3.0/24 [120/1] via 217.57.100.2, 00:00:09, Vlan16 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks --More--  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 [110/782] via 208.28.1.129, 00:00:14, Vlan20 [110/782] via 208.28.1.66, 00:00:14, Vlan10 180.40.0.0/27 is subnetted, 2 subnets O IA 180.40.7.0 [110/782] via 208.28.1.129, 00:00:14, Vlan20 O IA 180.40.7.64 [110/782] via 208.28.1.129, 00:00:14, Vlan20 [110/782] via 208.28.1.66, 00:00:14, Vlan10 S5# RACK15AS> [Resuming connection 5 to r5 ... ] S5#ping 17.80.1.2 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 17.80.1.2, timeout is 2 seconds: ..... Success rate is 0 percent (0/5) S5#ping 17.80.1.2 1 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 17.80.1.1, timeout is 2 seconds: ..... Success rate is 0 percent (0/5) S5# RACK15AS>3 [Resuming connection 3 to r3 ... ] R3(config-router)#are 200 ? 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)#are 200 vi R3(config-router)#are 200 virtual-link ? A.B.C.D ID (IP addr) associated with virtual link neighbor R3(config-router)#are 200 virtual-link 1.1.1.1 R3(config-router)#are 200 virtual-link 1.1.1.1       2.2.2.2 R3(config-router)# RACK15AS>1 [Resuming connection 1 to r1 ... ] *Mar R1(config-subif)#r *Mar 1 20:04:23.078: %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-subif)#router ospf 1 R1(config-router)# *Mar 1 20:04:33.079: %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 20:04:43.091: %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 vi R1(config-router)#area 200 virtual-link *Mar 1 20:04:53.079: %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 virtual-link 3.3.3.3 R1(config-router)# RACK15AS>2 [Resuming connection 2 to r2 ... ] *M R2(config-router)#co   RACK15AS>3 [Resuming connection 3 to r3 ... ] R3(config-router)#^Z R3#sh *Mar 1 20:03:46.149: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on OSPF_VL0 from LOADING to FULL, Loading Done *Mar 1 20:03:46.875: %SYS-5-CONFIG_I: Configured from console by console R3#sh ip ospf vir Virtual Link OSPF_VL1 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 Virtual Link OSPF_VL0 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 00:00:03 Adjacency State FULL (Hello suppressed) Index 1/5, retransmission queue length 1, number of retransmission 1 First 0x83D87634(0)/0x0(0) Next 0x83D87634(0)/0x0(0) Last retransmission scan length is 1, maximum is 1 Last retransmission scan time is 0 msec, maximum is 0 msec Link State retransmission due in 3784 msec R3#\ sh ip ospf vir   nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 0 FULL/ - - 208.28.1.1 OSPF_VL0 4.4.4.4 1 FULL/DR 00:00:37 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 00:01:55 208.28.1.1 Serial1/0 2.2.2.2 0 FULL/DROTHER 00:01:59 208.28.1.3 Serial1/0 R3# RACK15AS>2 [Resuming connection 2 to r2 ... ] *Ma *Mar 1 20:04:48.435: %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)# R2(config-router)#area 200 vir 3.3.3.3 R2(config-router)#^Z R2# RACK15AS>3 [Resuming connection 3 to r3 ... ] R3#sh ip ospf neivir Virtual Link OSPF_VL1 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 00:00:08 Adjacency State FULL (Hello suppressed) Index 2/6, retransmission queue length 1, number of retransmission 0 First 0x83D8782C(1)/0x0(0) Next 0x83D8782C(1)/0x0(0) Last retransmission scan length is 0, maximum is 0 Last retransmission scan time is 0 msec, maximum is 0 msec Link State retransmission due in 3771 msec Virtual Link OSPF_VL0 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 00:00:03 Adjacency State FULL (Hello su *Mar 1 20:05:00.511: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on OSPF_VL1 from LOADING to FULL, Loading Doneppressed) Index 1/5, retransmission queue length 1, number of retransmission 1 First 0x83D8782C(1)/0x0(0) Next 0x83D8782C(1)/0x0(0) --More--   Last retransmission scan length is 1, maximum is 1 Last retransmission scan time is 0 msec, maximum is 0 msec R3#sh ip ospf virneivirnei Neighbor ID Pri State Dead Time Address Interface 2.2.2.2 0 FULL/ - - 180.40.7.2 OSPF_VL1 1.1.1.1 0 FULL/ - - 208.28.1.1 OSPF_VL0 4.4.4.4 1 FULL/DR 00:00:39 17.80.1.2 FastEthernet0/0 2.2.2.2 0 FULL/ - 00:00:34 180.40.7.2 Serial1/2 1.1.1.1 0 FULL/DROTHER 00:01:52 208.28.1.1 Serial1/0 2.2.2.2 0 FULL/DROTHER 00:01:51 208.28.1.3 Serial1/0 R3# RACK15AS>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 1.0.0.0/24 is subnetted, 1 subnets O E2 1.1.1.0 [110/20] via 17.80.1.1, 00:00:18, FastEthernet0/0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 17.80.1.1, 00:00:18, FastEthernet0/0 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 17.80.1.1, 00:00:18, FastEthernet0/0 O E2 200.1.0.0/24 [110/20] via 17.80.1.1, 00:00:18, FastEthernet0/0 O E2 200.1.1.0/24 [110/20] via 17.80.1.1, 00:00:19, FastEthernet0/0 O E2 200.1.2.0/24 [110/20] via 17.80.1.1, 00:00:19, FastEthernet0/0 O E2 217.57.100.0/24 [110/20] via 17.80.1.1, 00:00:19, FastEthernet0/0 O E2 200.1.3.0/24 [110/20] via 17.80.1.1, 00:00:19, 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, 00:00:24, FastEthernet0/0 O IA 208.28.1.64/28 [110/784] via 17.80.1.1, 00:00:24, FastEthernet0/0 O IA 208.28.1.0/29 [110/782] via 17.80.1.1, 00:02:29, FastEthernet0/0 180.40.0.0/27 is subnetted, 2 subnets O IA 180.40.7.0 [110/782] via 17.80.1.1, 00:02:29, FastEthernet0/0 O IA 180.40.7.64 [110/1563] via 17.80.1.1, 00:01:29, FastEthernet0/0 R4# RACK15AS>3 [Resuming connection 3 to r3 ... ] R3#sh ip ospf neivir Virtual Link OSPF_VL1 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_VL0 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 00:00:02 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 ospf virnei Neighbor ID Pri State Dead Time Address Interface 2.2.2.2 0 FULL/ - - 180.40.7.2 OSPF_VL1 1.1.1.1 0 FULL/ - - 208.28.1.1 OSPF_VL0 4.4.4.4 1 FULL/DR 00:00:34 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 00:01:37 208.28.1.1 Serial1/0 2.2.2.2 0 FULL/DROTHER 00:01:36 208.28.1.3 Serial1/0 R3#q  RACK15AS>5 [Resuming connection 5 to r5 ... ] ping 17.80.1.12 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 17.80.1.2, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 32/39/44 ms S5# RACK15AS>6 [Resuming connection 6 to r6 ... ]  R 208.28.1.64/29 --More--   S6#ping 17.80.1.2 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 17.80.1.2, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 28/31/32 ms S6#ping 17.80.1.2 sou 200.1.0.1 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 17.80.1.2, timeout is 2 seconds: Packet sent with a source address of 200.1.0.1 !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 28/31/32 ms S6# RACK15AS>1 [Resuming connection 1 to r1 ... ] * R1(config-router)#^Z R1#sh riun   *Mar 1 20:09:06.867: %SYS-5-CONFIG_I: Configured from console by console R1#sh riun   un | 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# RACK15AS>2 [Resuming connection 2 to r2 ... ] *M R2#sh run | b router 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# RACK15AS>3 [Resuming connection 3 to r3 ... ] R3#sh run | b router 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 ! ip classless ! no ip http server no ip http secure-server ! ! ! ! ! ! ! ! ! --More--   R3# RACK15AS>4 [Resuming connection 4 to r4 ... ] R4#sh run | b router router ospf 1 router-id 4.4.4.4 log-adjacency-changes 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 line aux 0 line vty 0 4 ! ! --More--   R4# RACK15AS>5 [Resuming connection 5 to r5 ... ] S5#sh run | b router router ospf 1 router-id 5.5.5.5 log-adjacency-changes redistribute rip subnets tag 5 network 208.28.1.0 0.0.0.255 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 exec-timeout 0 0 --More--   S5# RACK15AS>65 % 65 is not an open connection RACK15AS> [Resuming connection 5 to r5 ... ] S5# RACK15AS>6 [Resuming connection 6 to r6 ... ] S6#sh run | b router router rip version 2 network 200.1.0.0 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 --More--   S6# RACK15AS>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)#area 51 % Incomplete command. S5(config-router)#area 51 nssa S5(config-router)#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 S5(config-router)#area 51 nssa S5(config-router)# 20:13:39: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Vlan10 from FULL to DOWN, Neighbor Down: Adjacency forced to reset 20:13:39: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Vlan20 from FULL to DOWN, Neighbor Down: Adjacency forced to reset S5(config-router)#^Z S5# RACK15AS>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)#are 51 nssa no R1(config-router)#are 51 nssa no-s R1(config-router)#are 51 nssa no-summary R1(config-router)# RACK15AS>2 [Resuming connection 2 to r2 ... ] *Ma R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#router ospf 1 R2(config-router)#area 51 nss no R2(config-router)#area 51 nss no-s R2(config-router)#area 51 nss no-summary R2(config-router)#^Z R2#s *Mar 1 20:11:45.467: %SYS-5-CONFIG_I: Configured from console by console R2#ship ospf nei sh ip ospf nei  *Mar 1 20:11:49.241: %OSPF-5-ADJCHG: Process 1, Nbr 5.5.5.5 on FastEthernet0/1 from LOADING to FULL, Loading Done R2#sh ip ospf nei  Neighbor ID Pri State Dead Time Address Interface 3.3.3.3 0 FULL/ - - 180.40.7.3 OSPF_VL0 1.1.1.1 0 FULL/ - 00:00:38 180.40.7.66 Serial1/0.2 5.5.5.5 1 FULL/DR 00:00:39 208.28.1.130 FastEthernet0/1 3.3.3.3 0 FULL/ - 00:00:38 180.40.7.3 Serial1/2 3.3.3.3 1 FULL/DR 00:01:58 208.28.1.2 Serial1/0.1 R2#sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 3.3.3.3 0 FULL/ - - 180.40.7.3 OSPF_VL0 1.1.1.1 0 FULL/ - 00:00:36 180.40.7.66 Serial1/0.2 5.5.5.5 1 FULL/DR 00:00:37 208.28.1.130 FastEthernet0/1 3.3.3.3 0 FULL/ - 00:00:36 180.40.7.3 Serial1/2 3.3.3.3 1 FULL/DR 00:01:59 208.28.1.2 Serial1/0.1 R2# RACK15AS>5 [Resuming connection 5 to r5 ... ] 20: 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 1.0.0.0/24 is subnetted, 1 subnets O N2 1.1.1.0 [110/20] via 208.28.1.66, 00:00:02, Vlan10 2.0.0.0/24 is subnetted, 1 subnets O N2 2.2.2.0 [110/20] via 208.28.1.129, 00:00:02, Vlan20 R 200.1.0.0/24 [120/1] via 217.57.100.2, 00:00:05, Vlan16 R 200.1.1.0/24 [120/1] via 217.57.100.2, 00:00:05, Vlan16 R 200.1.2.0/24 [120/1] via 217.57.100.2, 00:00:05, Vlan16 C 217.57.100.0/24 is directly connected, Vlan16 R 200.1.3.0/24 [120/1] via 217.57.100.2, 00:00:05, 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, 00:00:03, Vlan20 --More--   [110/2] via 208.28.1.66, 00:00:03, Vlan10 S5# RACK15AS>1 [Resuming connection 1 to r1 ... ] *M R1(config-router)#are 51 nssa no-summary no R1(config-router)#are 51 nssa no-summary no-redistribution R1(config-router)# RACK15AS>2 [Resuming connection 2 to r2 ... ] R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#router ospf 12 R2(config-router)#router ospf 12  R2(config-router)#router ospf 12area 51 nss no-summary no R2(config-router)#area 51 nss no-summary no-redistribution R2(config-router)#^Z R2#config *Mar 1 20:12:34.119: %SYS-5-CONFIG_I: Configured from console by console R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#no router ospf 12 R2(config)#^Z R2# RACK15AS>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 200.1.0.0/24 [120/1] via 217.57.100.2, 00:00:21, Vlan16 R 200.1.1.0/24 [120/1] via 217.57.100.2, 00:00:21, Vlan16 R 200.1.2.0/24 [120/1] via 217.57.100.2, 00:00:21, Vlan16 C 217.57.100.0/24 is directly connected, Vlan16 R 200.1.3.0/24 [120/1] via 217.57.100.2, 00:00:21, 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, 00:00:06, Vlan20 [110/2] via 208.28.1.66, 00:00:06, Vlan10 S5# RACK15AS>1 [Resuming connection 1 to r1 ... ] R1(config-router)#do 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(config-router)#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 O IA 17.80.1.0 [110/782] via 208.28.1.2, 00:02:21, Serial0/0.1 1.0.0.0/24 is subnetted, 1 subnets C 1.1.1.0 is directly connected, Loopback0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 180.40.7.65, 00:02:05, Serial0/0.2 [110/20] via 208.28.1.3, 00:02:05, Serial0/0.1 [110/20] via 208.28.1.65, 00:02:05, Ethernet0/0 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 208.28.1.2, 00:02:22, Serial0/0.1 O E2 200.1.0.0/24 [110/20] via 208.28.1.65, 00:02:22, Ethernet0/0 O E2 200.1.1.0/24 [110/20] via 208.28.1.65, 00:02:22, Ethernet0/0 O E2 200.1.2.0/24 [110/20] via 208.28.1.65, 00:02:22, Ethernet0/0 --More--  O E2 217.57.100.0/24 [110/20] via 208.28.1.65, 00:02:23, Ethernet0/0 O E2 200.1.3.0/24 [110/20] via 208.28.1.65, 00:02:23, Ethernet0/0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O 208.28.1.128/27 [110/11] via 208.28.1.65, 00:02:23, 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 [110/1562] via 208.28.1.2, 00:02:23, Serial0/0.1 [110/1562] via 208.28.1.3, 00:02:23, Serial0/0.1 C 180.40.7.64 is directly connected, Serial0/0.2 R1(config-router)# RACK15AS>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, 00:02:17, Serial1/2 1.0.0.0/24 is subnetted, 1 subnets O E2 1.1.1.0 [110/20] via 180.40.7.66, 00:02:17, Serial1/0.2 [110/20] via 208.28.1.1, 00:02:17, Serial1/0.1 [110/20] via 208.28.1.130, 00:02:17, FastEthernet0/1 2.0.0.0/24 is subnetted, 1 subnets C 2.2.2.0 is directly connected, Loopback0 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 208.28.1.2, 00:02:18, Serial1/0.1 [110/20] via 180.40.7.3, 00:02:18, Serial1/2 O N2 200.1.0.0/24 [110/20] via 208.28.1.130, 00:02:18, FastEthernet0/1 O N2 200.1.1.0/24 [110/20] via 208.28.1.130, 00:02:18, FastEthernet0/1 --More--  O N2 200.1.2.0/24 [110/20] via 208.28.1.130, 00:02:19, FastEthernet0/1 O N2 217.57.100.0/24 [110/20] via 208.28.1.130, 00:02:19, FastEthernet0/1 O N2 200.1.3.0/24 [110/20] via 208.28.1.130, 00:02:19, 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, 00:02:19, 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# RACK15AS>1 [Resuming connection 1 to r1 ... ] R1(config-router)#do sh ip 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 1.1.1.1 706 0x80000007 0x00A5FE 3 2.2.2.2 2.2.2.2 633 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 51 (DNA) 0x80000001 0x008C41 180.40.7.0 1.1.1.1 843 0x80000002 0x008DC5 180.40.7.0 2.2.2.2 1717 0x80000002 0x00D18D 180.40.7.0 3.3.3.3 51 (DNA) 0x80000001 0x00B5A6 208.28.1.0 1.1.1.1 843 0x80000006 0x00DD5F 208.28.1.0 2.2.2.2 194 0x80000004 0x00C377 208.28.1.0 3.3.3.3 51 (DNA) 0x80000001 0x00AB8E 208.28.1.64 1.1.1.1 227 0x80000007 0x00EF1A 208.28.1.64 2.2.2.2 2 (DNA) 0x80000001 0x008D86 208.28.1.128 1.1.1.1 209 0x80000003 0x001FBD --More--  208.28.1.128 2.2.2.2 2 (DNA) 0x80000007 0x00944A Summary ASB Link States (Area 0) Link ID ADV Router Age Seq# Checksum 1.1.1.1 2.2.2.2 955 0x80000004 0x001F0C 1.1.1.1 3.3.3.3 51 (DNA) 0x80000001 0x00908B 2.2.2.2 1.1.1.1 948 0x80000002 0x006DB6 2.2.2.2 3.3.3.3 51 (DNA) 0x80000001 0x0062B5 3.3.3.3 1.1.1.1 844 0x80000004 0x006AAE 3.3.3.3 2.2.2.2 195 0x80000002 0x0050C6 Router Link States (Area 51) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 229 0x80000005 0x000CA9 1 2.2.2.2 2.2.2.2 204 0x80000005 0x001F17 1 5.5.5.5 5.5.5.5 223 0x80000008 0x00515B 2 Net Link States (Area 51) Link ID ADV Router Age Seq# Checksum 208.28.1.65 5.5.5.5 241 0x80000001 0x00AD3A --More--  208.28.1.130 5.5.5.5 224 0x80000001 0x00F2BF Summary Net Link States (Area 51) Link ID ADV Router Age Seq# Checksum 0.0.0.0 1.1.1.1 189 0x80000002 0x001918 0.0.0.0 2.2.2.2 175 0x80000002 0x00FA32 Type-7 AS External Link States (Area 51) Link ID ADV Router Age Seq# Checksum Tag 200.1.0.0 5.5.5.5 303 0x80000001 0x00C1C2 5 200.1.1.0 5.5.5.5 303 0x80000001 0x00B6CC 5 200.1.2.0 5.5.5.5 303 0x80000001 0x00ABD6 5 200.1.3.0 5.5.5.5 303 0x80000001 0x00A0E0 5 217.57.100.0 5.5.5.5 303 0x80000001 0x00F0E5 5 Router Link States (Area 200) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 850 0x8000000E 0x00B379 1 2.2.2.2 2.2.2.2 1717 0x8000000D 0x0060CE 3 3.3.3.3 3.3.3.3 761 0x80000007 0x00E54B 3 --More--   Net Link States (Area 200) Link ID ADV Router Age Seq# Checksum 208.28.1.2 3.3.3.3 79 0x80000004 0x002FF6 Summary Net Link States (Area 200) Link ID ADV Router Age Seq# Checksum 17.80.1.0 1.1.1.1 695 0x80000001 0x00665F 17.80.1.0 2.2.2.2 632 0x80000002 0x00467A 17.80.1.0 3.3.3.3 761 0x80000001 0x008C41 180.40.7.64 1.1.1.1 662 0x80000003 0x006BB6 180.40.7.64 2.2.2.2 708 0x80000002 0x004FCF 180.40.7.64 3.3.3.3 696 0x80000001 0x00D03B 208.28.1.64 1.1.1.1 230 0x80000007 0x00EF1A 208.28.1.64 2.2.2.2 222 0x80000002 0x008B87 208.28.1.64 3.3.3.3 221 0x80000007 0x0001F8 208.28.1.128 1.1.1.1 212 0x80000004 0x001DBE 208.28.1.128 2.2.2.2 217 0x80000007 0x00944A 208.28.1.128 3.3.3.3 211 0x80000007 0x0014B6 Summary ASB Link States (Area 200) --More--   Link ID ADV Router Age Seq# Checksum 1.1.1.1 2.2.2.2 709 0x80000003 0x00210B 1.1.1.1 3.3.3.3 697 0x80000001 0x00908B 2.2.2.2 1.1.1.1 663 0x80000003 0x006BB7 2.2.2.2 3.3.3.3 632 0x80000002 0x0060B6 3.3.3.3 1.1.1.1 696 0x80000001 0x0070AB 3.3.3.3 2.2.2.2 633 0x80000002 0x0050C6 Type-5 AS External Link States Link ID ADV Router Age Seq# Checksum Tag 1.1.1.0 1.1.1.1 1197 0x80000004 0x00B1E3 1 2.2.2.0 2.2.2.2 1189 0x80000003 0x00830B 2 3.3.3.0 3.3.3.3 1166 0x80000002 0x005532 3 200.1.0.0 2.2.2.2 218 0x80000001 0x00B0E9 5 200.1.1.0 2.2.2.2 218 0x80000001 0x00A5F3 5 200.1.2.0 2.2.2.2 218 0x80000001 0x009AFD 5 200.1.3.0 2.2.2.2 218 0x80000001 0x008F08 5 217.57.100.0 2.2.2.2 218 0x80000001 0x00DF0D 5 R1(config-router)#      do sh ip ospf dataroute run | b routerare 51 nssa no-summary no-redistribution tra R1(config-router)#are 51 nssa no-summary no-redistribution translate % Incomplete command. R1(config-router)#are 51 nssa no-summary no-redistribution translate ? type7 From Type 7 to Type 5 R1(config-router)#are 51 nssa no-summary no-redistribution translate ty R1(config-router)#are 51 nssa no-summary no-redistribution translate type7 ? suppress-fa Suppress forwarding address in translated LSAs R1(config-router)#are 51 nssa no-summary no-redistribution translate type7                                                          router-id 11.11.11.11 Reload or use "clear ip ospf process" command, for this to take effect R1(config-router)#do s ckea ipp         l ip ospf prp  % Ambiguous command: "cl ip ospf pr" R1(config-router)#do cl ip ospf pre ip ospf pra ip ospf pr Reset ALL OSPF processes? [no]: y R1(config-router)# *Mar 1 20:19:41.937: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on OSPF_VL0 from FULL to DOWN, Neighbor Down: Interface down or detached *Mar 1 20:19:41.937: %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 20:19:41.985: %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 20:19:42.025: %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(config-router)# *Mar 1 20:19:42.057: %OSPF-3-RECONF_VL: OSPF process 1 is changing router-id. Reconfigure virtual link neighbors with our new router-id R1(config-router)# *Mar 1 20:19:43.395: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial0/0.2 from LOADING to FULL, Loading Done R1(config-router)#do sh o io p 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 2WAY/DROTHER 00:00:37 208.28.1.65 Ethernet0/0 R1(config-router)# *Mar 1 20:20:12.318: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on Serial0/0.1 from LOADING to FULL, Loading Done R1(config-router)#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 O IA 17.80.1.0 [110/1563] via 180.40.7.65, 00:00:03, Serial0/0.2 1.0.0.0/24 is subnetted, 1 subnets C 1.1.1.0 is directly connected, Loopback0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 180.40.7.65, 00:00:03, Serial0/0.2 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 180.40.7.65, 00:00:03, Serial0/0.2 O E2 200.1.0.0/24 [110/20] via 208.28.1.65, 00:00:03, Ethernet0/0 O E2 200.1.1.0/24 [110/20] via 208.28.1.65, 00:00:04, Ethernet0/0 O E2 200.1.2.0/24 [110/20] via 208.28.1.65, 00:00:04, Ethernet0/0 O E2 217.57.100.0/24 [110/20] via 208.28.1.65, 00:00:04, Ethernet0/0 O E2 200.1.3.0/24 [110/20] via 208.28.1.65, 00:00:04, Ethernet0/0 --More--   208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/782] via 180.40.7.65, 00:00:04, Serial0/0.2 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 IA 180.40.7.0 [110/1562] via 180.40.7.65, 00:00:04, Serial0/0.2 C 180.40.7.64 is directly connected, Serial0/0.2 R1(config-router)#q  *Mar 1 20:20:22.074: %OSPF-5-ADJCHG: Process 1, Nbr 5.5.5.5 on Ethernet0/0 from LOADING to FULL, Loading Done R1(config-router)#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 O IA 17.80.1.0 [110/1563] via 180.40.7.65, 00:00:08, Serial0/0.2 1.0.0.0/24 is subnetted, 1 subnets C 1.1.1.0 is directly connected, Loopback0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 180.40.7.65, 00:00:08, Serial0/0.2 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 180.40.7.65, 00:00:08, Serial0/0.2 O E2 200.1.0.0/24 [110/20] via 208.28.1.65, 00:00:08, Ethernet0/0 O E2 200.1.1.0/24 [110/20] via 208.28.1.65, 00:00:09, Ethernet0/0 O E2 200.1.2.0/24 [110/20] via 208.28.1.65, 00:00:09, Ethernet0/0 O E2 217.57.100.0/24 [110/20] via 208.28.1.65, 00:00:09, Ethernet0/0 O E2 200.1.3.0/24 [110/20] via 208.28.1.65, 00:00:09, Ethernet0/0 --More--   208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/782] via 180.40.7.65, 00:00:09, Serial0/0.2 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 IA 180.40.7.0 [110/1562] via 180.40.7.65, 00:00:09, Serial0/0.2 C 180.40.7.64 is directly connected, Serial0/0.2 R1(config-router)#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 O IA 17.80.1.0 [110/1563] via 180.40.7.65, 00:00:01, Serial0/0.2 1.0.0.0/24 is subnetted, 1 subnets C 1.1.1.0 is directly connected, Loopback0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [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 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 208.28.1.2, 00:00:02, Serial0/0.1 O E2 200.1.0.0/24 [110/20] via 208.28.1.65, 00:00:02, Ethernet0/0 O E2 200.1.1.0/24 [110/20] via 208.28.1.65, 00:00:02, Ethernet0/0 O E2 200.1.2.0/24 [110/20] via 208.28.1.65, 00:00:02, Ethernet0/0 --More--  O E2 217.57.100.0/24 [110/20] via 208.28.1.65, 00:00:03, Ethernet0/0 O E2 200.1.3.0/24 [110/20] via 208.28.1.65, 00:00:03, Ethernet0/0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O 208.28.1.128/27 [110/11] via 208.28.1.65, 00:00:03, 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 [110/1562] via 208.28.1.2, 00:00:03, Serial0/0.1 [110/1562] via 208.28.1.3, 00:00:03, Serial0/0.1 C 180.40.7.64 is directly connected, Serial0/0.2 R1(config-router)#w 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 O IA 17.80.1.0 [110/1563] via 180.40.7.65, 00:00:06, Serial0/0.2 1.0.0.0/24 is subnetted, 1 subnets C 1.1.1.0 is directly connected, Loopback0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 180.40.7.65, 00:00:06, Serial0/0.2 [110/20] via 208.28.1.65, 00:00:06, Ethernet0/0 [110/20] via 208.28.1.3, 00:00:06, Serial0/0.1 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 208.28.1.2, 00:00:07, Serial0/0.1 O E2 200.1.0.0/24 [110/20] via 208.28.1.65, 00:00:07, Ethernet0/0 O E2 200.1.1.0/24 [110/20] via 208.28.1.65, 00:00:07, Ethernet0/0 O E2 200.1.2.0/24 [110/20] via 208.28.1.65, 00:00:07, Ethernet0/0 --More--  O E2 217.57.100.0/24 [110/20] via 208.28.1.65, 00:00:08, Ethernet0/0 O E2 200.1.3.0/24 [110/20] via 208.28.1.65, 00:00:08, Ethernet0/0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O 208.28.1.128/27 [110/11] via 208.28.1.65, 00:00:08, 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 [110/1562] via 208.28.1.2, 00:00:08, Serial0/0.1 [110/1562] via 208.28.1.3, 00:00:08, Serial0/0.1 C 180.40.7.64 is directly connected, Serial0/0.2 R1(config-router)#do clea ip rout * R1(config-router)#do clea ip rout *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 [110/1563] via 180.40.7.65, 00:00:01, Serial0/0.2 1.0.0.0/24 is subnetted, 1 subnets C 1.1.1.0 is directly connected, Loopback0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [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 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 208.28.1.2, 00:00:03, Serial0/0.1 O N2 200.1.0.0/24 [110/20] via 208.28.1.65, 00:00:03, Ethernet0/0 O N2 200.1.1.0/24 [110/20] via 208.28.1.65, 00:00:03, Ethernet0/0 O N2 200.1.2.0/24 [110/20] via 208.28.1.65, 00:00:03, Ethernet0/0 --More--  O N2 217.57.100.0/24 [110/20] via 208.28.1.65, 00:00:03, Ethernet0/0 O N2 200.1.3.0/24 [110/20] via 208.28.1.65, 00:00:03, Ethernet0/0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O 208.28.1.128/27 [110/11] via 208.28.1.65, 00:00:04, 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 [110/1562] via 208.28.1.2, 00:00:04, Serial0/0.1 [110/1562] via 208.28.1.3, 00:00:04, Serial0/0.1 C 180.40.7.64 is directly connected, Serial0/0.2 R1(config-router)#do sh ip routeclea ip rout *sh ip route ospf neiy do clea ip ospf pr ip ospf pr router-id 11.11.11.11          .1.1.1 Reload or use "clear ip ospf process" command, for this to take effect R1(config-router)#router-id 1.1.1.1do sh ip route clea ip rout *sh ip route ospf neiy do clea ip ospf pr Reset ALL OSPF processes? [no]: y R1(config-router)# *Mar 1 20:22:17.223: %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 20:22:17.267: %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 20:22:17.331: %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(config-router)# *Mar 1 20:22:17.367: %OSPF-3-RECONF_VL: OSPF process 1 is changing router-id. Reconfigure virtual link neighbors with our new router-id R1(config-router)#^Z R1#sh ru *Mar 1 20:22:22.404: %SYS-5-CONFIG_I: Configured from console by console R1#sh run | b ro *Mar 1 20:22:23.686: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial0/0.2 from LOADING to FULL, Loading Done 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# RACK15AS>2 [Resuming connection 2 to r2 ... ] *M R2#sh run | b router 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# RACK15AS>5 [Resuming connection 5 to r5 ... ] 20 S5#sh run Building configuration... Current configuration : 2714 bytes ! version 12.2 no service pad service timestamps debug uptime service timestamps log uptime no service password-encryption ! hostname S5 ! ! no aaa new-model ip subnet-zero ip routing no ip domain-lookup ! ! ! ! ! ! no file verify auto --More--   S5# 20:24:48: %OSPF-5-ADJCHG: Process 1, Nbr 11.11.11.11 on Vlan10 from FULL to DOWN, Neighbor Down: Dead timer expired 20:24:48: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Vlan10 from LOADING to FULL, Loading Done S5#qsh run Building configuration... Current configuration : 2714 bytes ! version 12.2 no service pad service timestamps debug uptime service timestamps log uptime no service password-encryption ! hostname S5 ! ! no aaa new-model ip subnet-zero ip routing no ip domain-lookup ! ! ! ! ! ! no file verify auto --More--  /' router filtering... router ospf 1 router-id 5.5.5.5 log-adjacency-changes area 51 nssa redistribute rip subnets tag 5 network 208.28.1.0 0.0.0.255 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#config t Enter configuration commands, one per line. End with CNTL/Z. S5(config)#router os[f   spf 1 S5(config-router)#sum S5(config-router)#summary-address 200.1.0.0 255.255.252  .0 S5(config-router)#sum S5(config-router)#summary-address 217.57.0.0 255.255.0.0 S5(config-router)# RACK15AS>1 [Resuming connection 1 to r1 ... ] * R1#ship route ^ % Invalid input detected at '^' marker. R1#ship     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 208.28.1.2, 00:00:50, Serial0/0.1 1.0.0.0/24 is subnetted, 1 subnets C 1.1.1.0 is directly connected, Loopback0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 180.40.7.65, 00:00:50, Serial0/0.2 [110/20] via 208.28.1.3, 00:00:50, Serial0/0.1 [110/20] via 208.28.1.65, 00:00:50, Ethernet0/0 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 208.28.1.2, 00:00:51, Serial0/0.1 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O 208.28.1.128/27 [110/11] via 208.28.1.65, 00:02:02, Ethernet0/0 C 208.28.1.64/28 is directly connected, Ethernet0/0 --More--  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 [110/1562] via 208.28.1.2, 00:00:54, Serial0/0.1 [110/1562] via 208.28.1.3, 00:00:54, 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, 00:00:14, Ethernet0/0 O E2 217.57.0.0/16 [110/20] via 208.28.1.65, 00:00:10, Ethernet0/0 R1# RACK15AS>5 [Resuming connection 5 to r5 ... ] S5(config-router)#redsi S5(config-router)#redsi   S5(config-router)#redistribute con S5(config-router)#redistribute connected su S5(config-router)#redistribute connected subnets S5(config-router)# RACK15AS>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 [110/782] via 208.28.1.2, 00:01:10, Serial0/0.1 1.0.0.0/24 is subnetted, 1 subnets C 1.1.1.0 is directly connected, Loopback0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 180.40.7.65, 00:01:10, Serial0/0.2 [110/20] via 208.28.1.3, 00:01:10, Serial0/0.1 [110/20] via 208.28.1.65, 00:01:10, Ethernet0/0 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 208.28.1.2, 00:01:11, Serial0/0.1 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O 208.28.1.128/27 [110/11] via 208.28.1.65, 00:02:21, Ethernet0/0 C 208.28.1.64/28 is directly connected, Ethernet0/0 --More--  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 [110/1562] via 208.28.1.2, 00:01:12, Serial0/0.1 [110/1562] via 208.28.1.3, 00:01:12, 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, 00:00:32, Ethernet0/0 O E2 217.57.0.0/16 [110/20] via 208.28.1.65, 00:00:28, Ethernet0/0 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 [110/782] via 208.28.1.2, 00:01:14, Serial0/0.1 1.0.0.0/24 is subnetted, 1 subnets C 1.1.1.0 is directly connected, Loopback0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 180.40.7.65, 00:01:14, Serial0/0.2 [110/20] via 208.28.1.3, 00:01:14, Serial0/0.1 [110/20] via 208.28.1.65, 00:01:14, Ethernet0/0 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 208.28.1.2, 00:01:15, Serial0/0.1 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O 208.28.1.128/27 [110/11] via 208.28.1.65, 00:02:25, Ethernet0/0 C 208.28.1.64/28 is directly connected, Ethernet0/0 --More--  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 [110/1562] via 208.28.1.2, 00:01:16, Serial0/0.1 [110/1562] via 208.28.1.3, 00:01:16, 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, 00:00:36, Ethernet0/0 O E2 217.57.0.0/16 [110/20] via 208.28.1.65, 00:00:32, Ethernet0/0 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 [110/782] via 208.28.1.2, 00:01:17, Serial0/0.1 1.0.0.0/24 is subnetted, 1 subnets C 1.1.1.0 is directly connected, Loopback0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 180.40.7.65, 00:01:17, Serial0/0.2 [110/20] via 208.28.1.3, 00:01:17, Serial0/0.1 [110/20] via 208.28.1.65, 00:01:17, Ethernet0/0 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 208.28.1.2, 00:01:18, Serial0/0.1 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O 208.28.1.128/27 [110/11] via 208.28.1.65, 00:02:29, Ethernet0/0 C 208.28.1.64/28 is directly connected, Ethernet0/0 --More--  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 [110/1562] via 208.28.1.2, 00:01:19, Serial0/0.1 [110/1562] via 208.28.1.3, 00:01:19, 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, 00:00:39, Ethernet0/0 O E2 217.57.0.0/16 [110/20] via 208.28.1.65, 00:00:35, Ethernet0/0 R1#sh ip routeip route  ^ % Invalid input detected at '^' marker. R1#ship route 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 208.28.1.2, 00:01:35, Serial0/0.1 1.0.0.0/24 is subnetted, 1 subnets C 1.1.1.0 is directly connected, Loopback0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 180.40.7.65, 00:01:35, Serial0/0.2 [110/20] via 208.28.1.3, 00:01:35, Serial0/0.1 [110/20] via 208.28.1.65, 00:01:35, Ethernet0/0 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 208.28.1.2, 00:01:36, Serial0/0.1 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O 208.28.1.128/27 [110/11] via 208.28.1.65, 00:02:47, Ethernet0/0 C 208.28.1.64/28 is directly connected, Ethernet0/0 --More--  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 [110/1562] via 208.28.1.2, 00:01:37, Serial0/0.1 [110/1562] via 208.28.1.3, 00:01:37, 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, 00:00:58, Ethernet0/0 O E2 217.57.0.0/16 [110/20] via 208.28.1.65, 00:00:53, Ethernet0/0 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 [110/782] via 208.28.1.2, 00:01:42, Serial0/0.1 1.0.0.0/24 is subnetted, 1 subnets C 1.1.1.0 is directly connected, Loopback0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 180.40.7.65, 00:01:42, Serial0/0.2 [110/20] via 208.28.1.3, 00:01:42, Serial0/0.1 [110/20] via 208.28.1.65, 00:01:42, Ethernet0/0 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 208.28.1.2, 00:01:43, Serial0/0.1 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O 208.28.1.128/27 [110/11] via 208.28.1.65, 00:02:54, Ethernet0/0 C 208.28.1.64/28 is directly connected, Ethernet0/0 --More--  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 [110/1562] via 208.28.1.2, 00:01:43, Serial0/0.1 [110/1562] via 208.28.1.3, 00:01:43, 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, 00:01:04, Ethernet0/0 O E2 217.57.0.0/16 [110/20] via 208.28.1.65, 00:00:59, Ethernet0/0 R1# RACK15AS>5 [Resuming connection 5 to r5 ... ] S5(config-router)#^Z S5# 20:28:26: %SYS-5-CONFIG_I: Configured from console by console S5#sh run | b route router ospf 1 router-id 5.5.5.5 log-adjacency-changes area 51 nssa summary-address 200.1.0.0 255.255.252.0 summary-address 217.57.0.0 255.255.0.0 redistribute connected subnets redistribute rip subnets tag 5 network 208.28.1.0 0.0.0.255 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#config t Enter configuration commands, one per line. End with CNTL/Z. S5(config)#int     rotuer osp        uter ospf 1 S5(config-router)#no router ospf 1edistribute connected subnets bredistribute connected subnets nredistribute connected subnets oredistribute connected subnets redistribute connected subnets redistribute connected subnets redistribute connected subnets nredistribute connected subnets oredistribute connected subnets  redistribute connected subnets  S5(config-router)#^Z S5# 20:28:53: %SYS-5-CONFIG_I: Configured from console by console S5# RACK15AS>4 [Resuming connection 4 to r4 ... ] R4#sj 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 1.0.0.0/24 is subnetted, 1 subnets O E2 1.1.1.0 [110/20] via 17.80.1.1, 00:03:43, FastEthernet0/0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 17.80.1.1, 00:03:43, FastEthernet0/0 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 17.80.1.1, 00:03:43, 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, 00:13:47, FastEthernet0/0 O IA 208.28.1.64/28 [110/784] via 17.80.1.1, 00:03:54, FastEthernet0/0 O IA 208.28.1.0/29 [110/782] via 17.80.1.1, 00:22:54, FastEthernet0/0 180.40.0.0/27 is subnetted, 2 subnets --More--  O IA 180.40.7.0 [110/782] via 17.80.1.1, 00:22:54, FastEthernet0/0 O IA 180.40.7.64 [110/1563] via 17.80.1.1, 00:21:53, FastEthernet0/0 O E2 200.1.0.0/22 [110/20] via 17.80.1.1, 00:02:10, FastEthernet0/0 O E2 217.57.0.0/16 [110/20] via 17.80.1.1, 00:02:05, FastEthernet0/0 R4# RACK15AS>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 200.1.0.0/24 [120/1] via 217.57.100.2, 00:00:04, Vlan16 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, 00:04:34, Vlan20 [110/2] via 208.28.1.66, 00:04:34, Vlan10 O 200.1.0.0/22 is a summary, 00:00:44, Null0 O 217.57.0.0/16 is a summary, 00:00:44, Null0 S5#  config t Enter configuration commands, one per line. End with CNTL/Z. S5(config)#router ospf 1 S5(config-router)#? Router configuration commands: area OSPF area parameters auto-cost Calculate OSPF interface cost according to bandwidth capability Enable specific OSPF feature compatible OSPF compatibility list default Set a command to its defaults default-information Control distribution of default information default-metric Set metric of redistributed routes discard-route Enable or disable discard-route installation distance Define an administrative distance distribute-list Filter networks in routing updates domain-id OSPF domain-id domain-tag OSPF domain-tag exit Exit from routing protocol configuration mode help Description of the interactive help system ignore Do not complain about specific event ispf Enable incremental SPF computation limit Limit a specific OSPF feature log-adjacency-changes Log changes in adjacency state max-lsa maximum number of LSAs OSPF process will receive max-metric Set maximum metric maximum-paths Forward packets over multiple paths --More--   S5(config-router)# S5(config-router)#~ discard-route ? external Discard route for redistributed summarised routes internal Discard route for summarised internal routes S5(config-router)#discard-route ex S5(config-router)#discard-route external S5(config-router)#dos hreu         sh run | b router router ospf 1 router-id 5.5.5.5 log-adjacency-changes area 51 nssa summary-address 200.1.0.0 255.255.252.0 summary-address 217.57.0.0 255.255.0.0 redistribute connected redistribute rip subnets tag 5 network 208.28.1.0 0.0.0.255 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(config-router)#[Ado sh run | b routeriscard-route external ndiscard-route external odiscard-route external  discard-route external  S5(config-router)#^Z S5#sh run    20:31:16: %SYS-5-CONFIG_I: Configured from console by console S5#sh ru  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 200.1.0.0/24 [120/1] via 217.57.100.2, 00:00:02, Vlan16 R 200.1.1.0/24 [120/1] via 217.57.100.2, 00:00:02, Vlan16 R 200.1.2.0/24 [120/1] via 217.57.100.2, 00:00:02, Vlan16 C 217.57.100.0/24 is directly connected, Vlan16 R 200.1.3.0/24 [120/1] via 217.57.100.2, 00:00:02, 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, 00:06:18, Vlan20 [110/2] via 208.28.1.66, 00:06:18, Vlan10 S5#   RACK15AS>6 [Resuming connection 6 to r6 ... ] S6#config t Enter configuration commands, one per line. End with CNTL/Z. S6(config)#do sh ip int brei  ie Interface IP-Address OK? Method Status Protocol Vlan1 unassigned YES manual administratively down down Vlan16 217.57.100.2 YES manual up up FastEthernet0/1 unassigned YES unset up up FastEthernet0/2 unassigned YES unset up up FastEthernet0/3 unassigned YES unset down down FastEthernet0/4 unassigned YES unset up up FastEthernet0/5 unassigned YES unset down down FastEthernet0/6 unassigned YES unset down down FastEthernet0/7 unassigned YES unset down down FastEthernet0/8 unassigned YES unset down down FastEthernet0/9 unassigned YES unset down down FastEthernet0/10 unassigned YES unset down down FastEthernet0/11 unassigned YES unset down down FastEthernet0/12 unassigned YES unset down down FastEthernet0/13 unassigned YES unset down down FastEthernet0/14 unassigned YES unset down down FastEthernet0/15 unassigned YES unset down down FastEthernet0/16 unassigned YES unset down down FastEthernet0/17 unassigned YES unset down down FastEthernet0/18 unassigned YES unset down down FastEthernet0/19 unassigned YES unset down down FastEthernet0/20 unassigned YES unset down down --More--  FastEthernet0/21 unassigned YES unset down down FastEthernet0/22 unassigned YES unset down down FastEthernet0/23 unassigned YES unset down down FastEthernet0/24 unassigned YES unset up up GigabitEthernet0/1 unassigned YES unset down down GigabitEthernet0/2 unassigned YES unset down down Loopback0 200.1.1.1 YES manual up up Loopback1 200.1.2.1 YES manual up up Loopback2 200.1.3.1 YES manual up up Loopback3 200.1.0.1 YES manual up up S6(config)#no int lo 3 S6(config)#^Z S6# RACK15AS>4 [Resuming connection 4 to r4 ... ] R4#r config t Enter configuration commands, one per line. End with CNTL/Z. R4(config)#int lo 0 R4(config-if)#iup   ip add 200.1.0.1 255.255.255.0 R4(config-if)#router ospf 1 R4(config-router)#net 200.1.1 = 0.1 0.0.0.0 area 51 R4(config-router)#^Z R4# RACK15AS>1 [Resuming connection 1 to r1 ... ] R1#sh ipr    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 208.28.1.2, 00:07:21, Serial0/0.1 1.0.0.0/24 is subnetted, 1 subnets C 1.1.1.0 is directly connected, Loopback0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 180.40.7.65, 00:07:21, Serial0/0.2 [110/20] via 208.28.1.3, 00:07:21, Serial0/0.1 [110/20] via 208.28.1.65, 00:07:21, Ethernet0/0 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 208.28.1.2, 00:07:22, Serial0/0.1 200.1.0.0/32 is subnetted, 1 subnets O IA 200.1.0.1 [110/783] via 208.28.1.2, 00:00:03, Serial0/0.1 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks --More--  O 208.28.1.128/27 [110/11] via 208.28.1.65, 00:08:33, 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 [110/1562] via 208.28.1.2, 00:07:23, Serial0/0.1 [110/1562] via 208.28.1.3, 00:07:23, 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, 00:06:43, Ethernet0/0 O E2 217.57.0.0/16 [110/20] via 208.28.1.65, 00:06:39, Ethernet0/0 R1#x5 Translating "x5" Translating "x5" % Unknown command or computer name, or unable to find computer address R1# R1# RACK15AS>5 [Resuming connection 5 to r5 ... ] S5#ping 200.1.0.1 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 200.1.0.1, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 32/36/44 ms 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, 00:00:20, Vlan16 R 200.1.2.0/24 [120/1] via 217.57.100.2, 00:00:20, Vlan16 C 217.57.100.0/24 is directly connected, Vlan16 R 200.1.3.0/24 [120/1] via 217.57.100.2, 00:00:20, 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, 00:08:59, Vlan20 [110/2] via 208.28.1.66, 00:08:59, Vlan10 S5#config t Enter configuration commands, one per line. End with CNTL/Z. S5(config)#router ospf 1 S5(config-router)#router ospf 1no discard-route external no discard-route external  discard-route external  S5(config-router)# RACK15AS> [Resuming connection 5 to r5 ... ] S5(config-router)#^Z S5#config tsh ip route 20:34:21: %SYS-5-CONFIG_I: Configured from console by console S5#sh ip routeping 200.1.0.1 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 200.1.0.1, timeout is 2 seconds: ..... Success rate is 0 percent (0/5) S5#config t Enter configuration commands, one per line. End with CNTL/Z. S5(config)#router ospf 1 S5(config-router)#no ex S5(config-router)#no ex S5(config-router)#no ex  dis S5(config-router)#no dis      no dist = c S5(config-router)#no discard-route e S5(config-router)#no discard-route external S5(config-router)#^Z S5# 20:36:09: %SYS-5-CONFIG_I: Configured from console by console S5#sh ru n|   n | 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 connected redistribute rip subnets tag 5 network 208.28.1.0 0.0.0.255 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#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, 00:00:24, Vlan16 R 200.1.2.0/24 [120/1] via 217.57.100.2, 00:00:24, Vlan16 C 217.57.100.0/24 is directly connected, Vlan16 R 200.1.3.0/24 [120/1] via 217.57.100.2, 00:00:24, 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, 00:15:03, Vlan20 [110/2] via 208.28.1.66, 00:15:03, Vlan10 S5# S5# S5# S5# RACK15AS>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)#area 51 de R1(config-router)#area 51 default-cost 120 -0  09  R1(config-router)#^Z R1# RACK15AS>2 [Resuming connection 2 to r2 ... ] R2# RACK15AS>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, 00:00:11, Vlan16 R 200.1.2.0/24 [120/1] via 217.57.100.2, 00:00:11, Vlan16 C 217.57.100.0/24 is directly connected, Vlan16 R 200.1.3.0/24 [120/1] via 217.57.100.2, 00:00:11, 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, 00:00:14, 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 1.1.1.1 1.1.1.1 982 0x80000002 0x0012A6 1 2.2.2.2 2.2.2.2 1553 0x80000005 0x001F17 1 5.5.5.5 5.5.5.5 978 0x8000000A 0x004D5D 2 Net Link States (Area 51) Link ID ADV Router Age Seq# Checksum 208.28.1.65 5.5.5.5 978 0x80000004 0x00A73D 208.28.1.130 5.5.5.5 1572 0x80000001 0x00F2BF Summary Net Link States (Area 51) Link ID ADV Router Age Seq# Checksum 0.0.0.0 1.1.1.1 34 0x80000002 0x00C3F5 0.0.0.0 2.2.2.2 1523 0x80000002 0x00FA32 Type-7 AS External Link States (Area 51) --More--   S5# sh ip ospf data ? adv-router Advertising Router link states asbr-summary ASBR summary link states database-summary Summary of database external External link states network Network link states nssa-external NSSA External link states opaque-area Opaque Area link states opaque-as Opaque AS link states opaque-link Opaque Link-Local link states router Router link states self-originate Self-originated link states summary Network summary link states | Output modifiers S5# sh ip ospf data sum ? A.B.C.D Link state ID (as an IP address) adv-router Advertising Router link states internal Internal LSA information self-originate Self-originated link states | Output modifiers S5# sh ip ospf data sum o,o,o,      0.0.0.0 OSPF Router with ID (5.5.5.5) (Process ID 1) Summary Net Link States (Area 51) LS age: 56 Options: (No TOS-capability, DC, Upward) LS Type: Summary Links(Network) Link State ID: 0.0.0.0 (summary Network Number) Advertising Router: 1.1.1.1 LS Seq Number: 80000002 Checksum: 0xC3F5 Length: 28 Network Mask: /0 TOS: 0 Metric: 120 --More--   Routing Bit Set on this LSA LS age: 1545 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: 0xFA32 Length: 28 Network Mask: /0 TOS: 0 Metric: 1 S5#^x1 % Unknown command or computer name, or unable to find computer address S5# S5# RACK15AS>1 [Resuming connection 1 to r1 ... ] *M R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#router ospf 1 R1(config-router)#def R1(config-router)#default - R1(config-router)#defaul-i R1(config-router)#defaul-i ? % Unrecognized command R1(config-router)#defaul-  ? area OSPF area parameters auto-cost Calculate OSPF interface cost according to bandwidth capability Enable specific OSPF feature compatible OSPF compatibility list default-information Control distribution of default information default-metric Set metric of redistributed routes discard-route Enable or disable discard-route installation distance Define an administrative distance distribute-list Filter networks in routing updates domain-id OSPF domain-id domain-tag OSPF domain-tag ignore Do not complain about specific event limit Limit a specific OSPF feature log-adjacency-changes Log changes in adjacency state max-metric Set maximum metric maximum-paths Forward packets over multiple paths mpls Configure MPLS routing protocol parameters neighbor Specify a neighbor router network Enable routing on an IP network passive-interface Suppress routing updates on an interface redistribute Redistribute information from another routing protocol router-id router-id for this OSPF process --More--   R1(config-router)#defaul n R1(config-router)#defaul ne  in R1(config-router)#defaul in   default-informationd~defauldefault-information~defauldefault-information~defauldefault-informationdefauldefault-information default-information default-information default-information default-information efault-information default-information default-information default-information default-information / ? originate Distribute a default route R1(config-router)#default-information O R1(config-router)#default-information Originate ? always Always advertise default route metric OSPF default metric metric-type OSPF metric type for default routes route-map Route-map reference R1(config-router)#default-information Originate ME R1(config-router)#default-information Originate MEtric ? <0-16777214> OSPF metric R1(config-router)#default-information Originate MEtric                                      ARE R1(config-router)#AREa 200 ? 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 R1(config-router)#AREa 200          ^Z R1# *Mar 1 20:42:24.666: %SYS-5-CONFIG_I: Configured from console by console R1#SH RUN | b route R1#SH RUN | b route  r router ospf 1 router-id 1.1.1.1 log-adjacency-changes area 51 nssa no-redistribution no-summary area 51 default-cost 120 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 --More--   R1# RACK15AS>5 [Resuming connection 5 to r5 ... ] S5#sh access-list S5#config t Enter configuration commands, one per line. End with CNTL/Z. S5(config)# S5(config)#access  -list 217.57.0.0 0.0.255.25. 5 ^ % Invalid input detected at '^' marker. S5(config)#access-list 217.57.0.0 0.0.255.2551217.57.0.0 0.0.255.255 217.57.0.0 0.0.255.255p217.57.0.0 0.0.255.255e217.57.0.0 0.0.255.255r217.57.0.0 0.0.255.255 217.57.0.0 0.0.255.255 S5(config)#route S5(config)#route-map S5(config)#route-map Prob7 S5(config-route-map)#match ip add 1 S5(config-route-map)#set met 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 t S5(config-route-map)#set metric-type type-1 S5(config-route-map)#set metric-type type-1match ip add 1 route-map Prob7 20 S5(config-route-map)#router ospf 1 S5(config-router)#reds S5(config-router)#reds  S5(config-router)#redistribute rip sub ? metric Metric for redistributed routes metric-type OSPF/IS-IS exterior metric type for redistributed routes route-map Route map reference tag Set tag for routes redistributed into OSPF S5(config-router)#redistribute rip sub tqag     ag 5 ? metric Metric for redistributed routes metric-type OSPF/IS-IS exterior metric type for redistributed routes route-map Route map reference S5(config-router)#redistribute rip sub tag 5 route S5(config-router)#redistribute rip sub tag 5 route-map Prob7 ? metric Metric for redistributed routes metric-type OSPF/IS-IS exterior metric type for redistributed routes S5(config-router)#redistribute rip sub tag 5 route-map Prob7 S5(config-router)# RACK15AS>1 [Resuming connection 1 to r1 ... ] R1#sh ip rout 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 208.28.1.2, 00:21:46, Serial0/0.1 1.0.0.0/24 is subnetted, 1 subnets C 1.1.1.0 is directly connected, Loopback0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 180.40.7.65, 00:14:23, Serial0/0.2 [110/20] via 208.28.1.3, 00:14:23, Serial0/0.1 [110/20] via 208.28.1.65, 00:14:23, Ethernet0/0 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 208.28.1.2, 00:14:24, Serial0/0.1 200.1.0.0/32 is subnetted, 1 subnets O IA 200.1.0.1 [110/783] via 208.28.1.2, 00:14:29, Serial0/0.1 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks --More--  O 208.28.1.128/27 [110/11] via 208.28.1.65, 00:22:59, 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 [110/1562] via 208.28.1.2, 00:21:49, Serial0/0.1 [110/1562] via 208.28.1.3, 00:21:49, 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, 00:14:25, Ethernet0/0 O E2 217.57.0.0/16 [110/20] via 208.28.1.65, 00:14:25, Ethernet0/0 R1#sh ip rout 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 208.28.1.2, 00:21:54, Serial0/0.1 1.0.0.0/24 is subnetted, 1 subnets C 1.1.1.0 is directly connected, Loopback0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 180.40.7.65, 00:14:30, Serial0/0.2 [110/20] via 208.28.1.3, 00:14:30, Serial0/0.1 [110/20] via 208.28.1.65, 00:14:30, Ethernet0/0 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 208.28.1.2, 00:14:31, Serial0/0.1 200.1.0.0/32 is subnetted, 1 subnets O IA 200.1.0.1 [110/783] via 208.28.1.2, 00:14:36, Serial0/0.1 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks --More--  O 208.28.1.128/27 [110/11] via 208.28.1.65, 00:23:06, 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 [110/1562] via 208.28.1.2, 00:21:56, Serial0/0.1 [110/1562] via 208.28.1.3, 00:21:56, 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, 00:14:32, Ethernet0/0 O E2 217.57.0.0/16 [110/20] via 208.28.1.65, 00:14:32, Ethernet0/0 R1#sh ip rout 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 208.28.1.2, 00:21:57, Serial0/0.1 1.0.0.0/24 is subnetted, 1 subnets C 1.1.1.0 is directly connected, Loopback0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 180.40.7.65, 00:14:33, Serial0/0.2 [110/20] via 208.28.1.3, 00:14:33, Serial0/0.1 [110/20] via 208.28.1.65, 00:14:33, Ethernet0/0 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 208.28.1.2, 00:14:34, Serial0/0.1 200.1.0.0/32 is subnetted, 1 subnets O IA 200.1.0.1 [110/783] via 208.28.1.2, 00:14:39, Serial0/0.1 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks --More--  O 208.28.1.128/27 [110/11] via 208.28.1.65, 00:23:08, 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 [110/1562] via 208.28.1.2, 00:21:58, Serial0/0.1 [110/1562] via 208.28.1.3, 00:21:58, 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, 00:14:34, Ethernet0/0 O E2 217.57.0.0/16 [110/20] via 208.28.1.65, 00:14:34, Ethernet0/0 R1#sh ip rout 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 208.28.1.2, 00:22:00, Serial0/0.1 1.0.0.0/24 is subnetted, 1 subnets C 1.1.1.0 is directly connected, Loopback0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 180.40.7.65, 00:14:36, Serial0/0.2 [110/20] via 208.28.1.3, 00:14:36, Serial0/0.1 [110/20] via 208.28.1.65, 00:14:36, Ethernet0/0 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 208.28.1.2, 00:14:37, Serial0/0.1 200.1.0.0/32 is subnetted, 1 subnets O IA 200.1.0.1 [110/783] via 208.28.1.2, 00:14:42, Serial0/0.1 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks --More--  O 208.28.1.128/27 [110/11] via 208.28.1.65, 00:23:11, 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 [110/1562] via 208.28.1.2, 00:22:01, Serial0/0.1 [110/1562] via 208.28.1.3, 00:22:01, 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, 00:14:37, Ethernet0/0 O E2 217.57.0.0/16 [110/20] via 208.28.1.65, 00:14:37, Ethernet0/0 R1# RACK15AS>5 [Resuming connection 5 to r5 ... ] S5(config-router)#dosh run | sh run |sh run | router sh run | router ^ % Invalid input detected at '^' marker. S5(config-router)#do sh run | routerbrouter 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 connected redistribute rip subnets tag 5 route-map Prob7 network 208.28.1.0 0.0.0.255 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 ! ! access-list 1 permit 217.57.0.0 0.0.255.255 --More--   S5(config-router)#no redistribute connected S5(config-router)# RACK15AS>1 [Resuming connection 1 to r1 ... ] R1#sh ip rout 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 208.28.1.2, 00:23:04, Serial0/0.1 1.0.0.0/24 is subnetted, 1 subnets C 1.1.1.0 is directly connected, Loopback0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 180.40.7.65, 00:15:40, Serial0/0.2 [110/20] via 208.28.1.3, 00:15:40, Serial0/0.1 [110/20] via 208.28.1.65, 00:15:40, Ethernet0/0 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 208.28.1.2, 00:15:42, Serial0/0.1 200.1.0.0/32 is subnetted, 1 subnets O IA 200.1.0.1 [110/783] via 208.28.1.2, 00:15:47, Serial0/0.1 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks --More--  O 208.28.1.128/27 [110/11] via 208.28.1.65, 00:24:16, 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 [110/1562] via 208.28.1.2, 00:23:05, Serial0/0.1 [110/1562] via 208.28.1.3, 00:23:05, 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, 00:15:42, Ethernet0/0 O E1 217.57.0.0/16 [110/30] via 208.28.1.65, 00:00:25, Ethernet0/0 R1# R1# R1# R1# RACK15AS>4 [Resuming connection 4 to r4 ... ] *M 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 1.0.0.0/24 is subnetted, 1 subnets O E2 1.1.1.0 [110/20] via 17.80.1.1, 00:16:39, FastEthernet0/0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 17.80.1.1, 00:16:39, FastEthernet0/0 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 17.80.1.1, 00:16:39, FastEthernet0/0 C 200.1.0.0/24 is directly connected, Loopback0 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, 00:16:40, FastEthernet0/0 O IA 208.28.1.64/28 [110/784] via 17.80.1.1, 00:16:40, FastEthernet0/0 O IA 208.28.1.0/29 [110/782] via 17.80.1.1, 00:16:40, 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, 00:16:40, FastEthernet0/0 O IA 180.40.7.64 [110/1563] via 17.80.1.1, 00:16:40, FastEthernet0/0 O E2 200.1.0.0/22 [110/20] via 17.80.1.1, 00:16:40, FastEthernet0/0 O E1 217.57.0.0/16 [110/804] via 17.80.1.1, 00:01:19, FastEthernet0/0 R4# RACK15AS>5 [Resuming connection 5 to r5 ... ] S5(config-router)#^Z S5# 20:50:44: %SYS-5-CONFIG_I: Configured from console by console S5#shru     run | b route 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 Prob7 network 208.28.1.0 0.0.0.255 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 ! ! access-list 1 permit 217.57.0.0 0.0.255.255 route-map Prob7 permit 10 --More--   match ip address 1 set metric-type type-1 ! route-map Prob7 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# 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) 1.1.1.1, Interface address 208.28.1.66 Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 oob-resync timeout 40 Hello due in 00:00:09 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 1.1.1.1 (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 0013.80cf.cd00 (bia 0013.80cf.cd00) 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 00:00:03, output 00:00:09, 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 467 packets input, 47542 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 456 packets output, 45274 bytes, 0 underruns 0 output errors, 0 interface resets 0 output buffer failures, 0 output buffers swapped out S5#config t Enter configuration commands, one per line. End with CNTL/Z. S5(config)#int vlan 10 S5(config-if)#ban 21  1000 000 S5(config-if)#^Z S5# 20:53:24: %SYS-5-CONFIG_I: Configured from console by console S5#sh ip io  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) 1.1.1.1, Interface address 208.28.1.66 Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 oob-resync timeout 40 Hello due in 00:00:00 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 1.1.1.1 (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--   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 2/2, 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 2.2.2.2 (Backup Designated Router) Suppress hello for 0 neighbor(s) S5#config t Enter configuration commands, one per line. End with CNTL/Z. S5(config)#router ospf 1 S5(config-router)#? Router configuration commands: area OSPF area parameters auto-cost Calculate OSPF interface cost according to bandwidth capability Enable specific OSPF feature compatible OSPF compatibility list default Set a command to its defaults default-information Control distribution of default information default-metric Set metric of redistributed routes discard-route Enable or disable discard-route installation distance Define an administrative distance distribute-list Filter networks in routing updates domain-id OSPF domain-id domain-tag OSPF domain-tag exit Exit from routing protocol configuration mode help Description of the interactive help system ignore Do not complain about specific event ispf Enable incremental SPF computation limit Limit a specific OSPF feature log-adjacency-changes Log changes in adjacency state max-lsa maximum number of LSAs OSPF process will receive max-metric Set maximum metric maximum-paths Forward packets over multiple paths --More--   S5(config-router)#au 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 10000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. S5(config-router)# S5# 20:55:01: %SYS-5-CONFIG_I: Configured from console by console S5# RACK15AS>1 [Resuming connection 1 to r1 ... ] R1#config t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#router ospg 1    1 R1(config-router)#auto-cost reference-bandwidth 10000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R1(config-router)# RACK15AS>2 [Resuming connection 2 to r2 ... ] R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#routewr    r ospf 1 R2(config-router)#auto-cost reference-bandwidth 10000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R2(config-router)# RACK15AS>3 [Resuming connection 3 to r3 ... ] *Ma R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#router ospf 1 *Mar 1 20:52:14.449: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on OSPF_VL1 from FULL to DOWN, Neighbor Down: Interface down or detached R3(config)#router ospf 1 R3(config-router)#auto-cost reference-bandwidth 10000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R3(config-router)# RACK15AS>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)#auto-cost reference-bandwidth 10000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R4(config-router)# R4(config-router)#^Z R4# *Mar 1 20:54:53.998: %SYS-5-CONFIG_I: Configured from console by console R4# RACK15AS>3 [Resuming connection 3 to r3 ... ] R3(config-router)#^Z R3#sh ip ps *Mar 1 20:52:31.990: %SYS-5-CONFIG_I: Configured from console by console R3#sh ip ps  ospf omnyt     int OSPF_VL1 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_VL0 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 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: 100 Transmit Delay is 1 sec, State BDR, Priority 1 Designated Router (ID) 4.4.4.4, Interface address 17.80.1.2 --More--   Backup Designated router (ID) 3.3.3.3, Interface address 17.80.1.1 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 7 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 (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 oob-resync timeout 40 Hello due in 00:00:03 Index 2/2, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 8 Last flood scan time is 0 msec, maximum is 4 msec Neighbor Count is 1, Adjacent neighbor count is 1 --More--   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 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 00:00:27 Index 1/1, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 8 Last flood scan time is 0 msec, maximum is 4 msec Neighbor Count is 2, Adjacent neighbor count is 2 Adjacent with neighbor 1.1.1.1 Adjacent with neighbor 2.2.2.2 Suppress hello for 0 neighbor(s) R3# sh ip ospf int OSPF_VL1 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_VL0 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 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: 100 Transmit Delay is 1 sec, State BDR, Priority 1 Designated Router (ID) 4.4.4.4, Interface address 17.80.1.2 --More--   R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#router ospf 1 R3(config-router)#router ospf 1auto-cost reference-bandwidth 10000nauto-cost reference-bandwidth 10000oauto-cost reference-bandwidth 10000 auto-cost reference-bandwidth 10000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R3(config-router)#^Z R3# *Mar 1 20:53:43.847: %SYS-5-CONFIG_I: Configured from console by console R3#config tsh ip ospf int OSPF_VL1 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_VL0 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 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: 1 Transmit Delay is 1 sec, State BDR, Priority 1 Designated Router (ID) 4.4.4.4, Interface address 17.80.1.2 --More--   Backup Designated router (ID) 3.3.3.3, Interface address 17.80.1.1 Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 oob-resync timeout 40 Hello due in 00:00:04 Index 1/3, 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 4.4.4.4 (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: 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 00:00:05 Index 2/2, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 8 Last flood scan time is 0 msec, maximum is 4 msec Neighbor Count is 1, Adjacent neighbor count is 1 --More--   R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#route  r ospf 1 R3(config-router)#router ospf 1no auto-cost reference-bandwidth 10000     2000no auto-cost reference-bandwidth 2000 auto-cost reference-bandwidth 2000 auto-cost reference-bandwidth 2000  % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R3(config-router)# R3# *Mar 1 20:55:06.206: %SYS-5-CONFIG_I: Configured from console by console R3# RACK15AS>4 [Resuming connection 4 to r4 ... ] R4#config t Enter configuration commands, one per line. End with CNTL/Z. R4(config)#router ospf 12 R4(config-router)#router ospf 12  R4(config-router)#auto-cost reference-bandwidth 2000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R4(config-router)#auto-cost reference-bandwidth 2000router ospf 1 2nrouter ospf 12orouter ospf 12 router ospf 12 R4(config)#^Z R4# *Mar 1 20:58:03.742: %SYS-5-CONFIG_I: Configured from console by console R4# RACK15AS>2 [Resuming connection 2 to r2 ... ] *Ma R2(config-router)#auto-cost reference-bandwidth 2000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R2(config-router)#^Z R2# RACK15AS>1 [Resuming connection 1 to r1 ... ] *Mar R1(config-router)#auto-cost reference-bandwidth 2000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R1(config-router)#^Z R1# RACK15AS>5 [Resuming connection 5 to r5 ... ] S5#config t Enter configuration commands, one per line. End with CNTL/Z. S5(config)#auto-cost reference-bandwidth 2000 ^ % Invalid input detected at '^' marker. S5(config)#routre    er ospf 1 S5(config-router)#auto-cost reference-bandwidth 2000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. S5(config-router)#^Z S5#sh ip 20:59:10: %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: 20 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) 1.1.1.1, Interface address 208.28.1.66 Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 oob-resync timeout 40 Hello due in 00:00:09 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 1.1.1.1 (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: 2 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 t Enter configuration commands, one per line. End with CNTL/Z. S5(config)#oi  int s   vlan 10 S5(config-if)#int vlan 10 no ip ospf            np ban ^ % Invalid input detected at '^' marker. S5(config-if)#np ban ban o ban S5(config-if)#^Z S5# RACK15AS>3 [Resuming connection 3 to r3 ... ] *Ma R3#sh ip ospf n int OSPF_VL1 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: 15625 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 00:00:08 Index 2/5, 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 2.2.2.2 (Hello suppressed) Suppress hello for 1 neighbor(s) OSPF_VL0 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: 15625 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 00:00:09 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 1.1.1.1 (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: 20 Transmit Delay is 1 sec, State BDR, Priority 1 Designated Router (ID) 4.4.4.4, Interface address 17.80.1.2 Backup Designated router (ID) 3.3.3.3, Interface address 17.80.1.1 Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 oob-resync timeout 40 Hello due in 00:00:09 Index 1/3, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 7 --More--   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 (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: 15625 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 00:00:08 Index 2/2, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 8 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 BROADCAST, Cost: 15625 Transmit Delay is 1 sec, State DR, Priority 1 Designated Router (ID) 3.3.3.3, Interface address 208.28.1.2 --More--   R3#sh ip ospf in  vi Virtual Link OSPF_VL1 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 15625 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:01 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_VL0 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 15625 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:01 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--   R3#sh    sh run | b router router ospf 1 router-id 3.3.3.3 log-adjacency-changes auto-cost reference-bandwidth 2000 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 ! ip classless ! no ip http server no ip http secure-server ! ! ! ! ! ! ! ! --More--   R3# RACK15AS>4 [Resuming connection 4 to r4 ... ] R4#config t Enter configuration commands, one per line. End with CNTL/Z. R4(config)#routr   er ospf 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 40000 R4(config-router)#tim 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 lsa-group ? <10-1800> Interval in sec between group of LSA being refreshed or maxaged R4(config-router)#timers pacing lsa-group 600 R4(config-router)#^Z R4# *Mar 1 21:04:15.098: %SYS-5-CONFIG_I: Configured from console by console R4#sh run | b rotuer R4#sh run | b rotuer    uter router ospf 1 router-id 4.4.4.4 log-adjacency-changes auto-cost reference-bandwidth 2000 timers throttle spf 4000 20000 40000 timers pacing lsa-group 600 network 17.80.1.2 0.0.0.0 area 51 network 200.1.0.1 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#config t Enter configuration commands, one per line. End with CNTL/Z. R4(config)#routre o    er osap  pf 1 R4(config-router)#lkadfgkdfjd;flg;adfg;adkjg;adffffffffffff                                         ig R4(config-router)#ignore ? lsa Do not complain upon receiving LSA of the specified type 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# *Mar 1 21:06:51.254: %SYS-5-CONFIG_I: Configured from console by console R4#config tsh run | b router router ospf 1 router-id 4.4.4.4 ignore lsa mospf log-adjacency-changes auto-cost reference-bandwidth 2000 timers throttle spf 4000 20000 40000 timers pacing lsa-group 600 network 17.80.1.2 0.0.0.0 area 51 network 200.1.0.1 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# RACK15AS>2 [Resuming connection 2 to r2 ... ] *Mar R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#l in lo 1 R2(config-if)#ip addres 202.2.2.2 255.255.24 52.09  R2(config-if)# RACK15AS>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 1.0.0.0/24 is subnetted, 1 subnets O E2 1.1.1.0 [110/20] via 17.80.1.1, 00:09:50, FastEthernet0/0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 17.80.1.1, 00:09:50, FastEthernet0/0 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 17.80.1.1, 00:09:50, FastEthernet0/0 C 200.1.0.0/24 is directly connected, Loopback0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/15665] via 17.80.1.1, 00:10:14, FastEthernet0/0 O IA 208.28.1.64/28 [110/15667] via 17.80.1.1, 00:09:56, FastEthernet0/0 O IA 208.28.1.0/29 [110/15645] via 17.80.1.1, 00:10:41, FastEthernet0/0 --More--   180.40.0.0/27 is subnetted, 2 subnets O IA 180.40.7.0 [110/15645] via 17.80.1.1, 00:10:41, FastEthernet0/0 O IA 180.40.7.64 [110/31270] via 17.80.1.1, 00:10:24, FastEthernet0/0 O E2 200.1.0.0/22 [110/20] via 17.80.1.1, 00:09:51, FastEthernet0/0 O E1 217.57.0.0/16 [110/15687] via 17.80.1.1, 00:09:51, FastEthernet0/0 O E2 202.2.0.0/22 [110/20] via 17.80.1.1, 00:00:07, FastEthernet0/0 R4# RACK15AS>2 [Resuming connection 2 to r2 ... ] R2(config-if)#router ospf 1 R2(config-router)#net 202.2.2.2 0.0.0.0 are  a 52 R2(config-router)# RACK15AS>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 1.0.0.0/24 is subnetted, 1 subnets O E2 1.1.1.0 [110/20] via 17.80.1.1, 00:10:43, FastEthernet0/0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 17.80.1.1, 00:10:43, FastEthernet0/0 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 17.80.1.1, 00:10:43, FastEthernet0/0 C 200.1.0.0/24 is directly connected, Loopback0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/15665] via 17.80.1.1, 00:11:07, FastEthernet0/0 O IA 208.28.1.64/28 [110/15667] via 17.80.1.1, 00:10:49, FastEthernet0/0 O IA 208.28.1.0/29 [110/15645] via 17.80.1.1, 00:11:34, FastEthernet0/0 --More--   180.40.0.0/27 is subnetted, 2 subnets O IA 180.40.7.0 [110/15645] via 17.80.1.1, 00:11:35, FastEthernet0/0 O IA 180.40.7.64 [110/31270] via 17.80.1.1, 00:11:18, FastEthernet0/0 O E2 200.1.0.0/22 [110/20] via 17.80.1.1, 00:10:45, FastEthernet0/0 O E1 217.57.0.0/16 [110/15687] via 17.80.1.1, 00:10:45, FastEthernet0/0 O E2 202.2.0.0/22 [110/20] via 17.80.1.1, 00:01:00, 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 1.0.0.0/24 is subnetted, 1 subnets O E2 1.1.1.0 [110/20] via 17.80.1.1, 00:00:07, FastEthernet0/0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 17.80.1.1, 00:00:07, FastEthernet0/0 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [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 [110/15646] via 17.80.1.1, 00:00:12, FastEthernet0/0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/15665] via 17.80.1.1, 00:11:19, FastEthernet0/0 --More--  O IA 208.28.1.64/28 [110/15667] via 17.80.1.1, 00:11:02, FastEthernet0/0 O IA 208.28.1.0/29 [110/15645] via 17.80.1.1, 00:11:47, FastEthernet0/0 180.40.0.0/27 is subnetted, 2 subnets O IA 180.40.7.0 [110/15645] via 17.80.1.1, 00:11:47, FastEthernet0/0 O IA 180.40.7.64 [110/31270] via 17.80.1.1, 00:11:30, 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 [110/15687] 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# RACK15AS>2 [Resuming connection 2 to r2 ... ] R2(config-router)#exit R2(config)#do sh access-list R2(config)#accces   ess-list 1 den 202.0.0.0 0.2255   55.255.255 R2(config)#access-list 1 per anuy  y R2(config)#router osp[f   1`     1 R2(config-router)#router os 1   R2(config-router)#router ospf 1 R2(config-router)#distr R2(config-router)#distribute-list 1 out con R2(config-router)#distribute-list 1 out connected R2(config-router)# RACK15AS>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 1.0.0.0/24 is subnetted, 1 subnets O E2 1.1.1.0 [110/20] via 17.80.1.1, 00:01:11, FastEthernet0/0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 17.80.1.1, 00:01:11, FastEthernet0/0 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 17.80.1.1, 00:01:11, 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 [110/15646] via 17.80.1.1, 00:01:16, FastEthernet0/0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/15665] via 17.80.1.1, 00:12:23, FastEthernet0/0 --More--  O IA 208.28.1.64/28 [110/15667] via 17.80.1.1, 00:12:05, FastEthernet0/0 O IA 208.28.1.0/29 [110/15645] via 17.80.1.1, 00:12:50, FastEthernet0/0 180.40.0.0/27 is subnetted, 2 subnets O IA 180.40.7.0 [110/15645] via 17.80.1.1, 00:12:50, FastEthernet0/0 O IA 180.40.7.64 [110/31270] via 17.80.1.1, 00:12:33, FastEthernet0/0 O E2 200.1.0.0/22 [110/20] via 17.80.1.1, 00:01:12, FastEthernet0/0 O E1 217.57.0.0/16 [110/15687] via 17.80.1.1, 00:01:12, FastEthernet0/0 R4#    RACK15AS>2 [Resuming connection 2 to r2 ... ] R2(config-router)#area ran   ? <0-4294967295> OSPF area ID as a decimal value A.B.C.D OSPF area ID in IP address format R2(config-router)#area 52 ? 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 52 ar  ra R2(config-router)#area 52 range ? A.B.C.D IP address to match R2(config-router)#area 52 range 202.2.2.0   0. % Incomplete command. R2(config-router)#area 52 range 202.2.0.0 ? A.B.C.D IP mask for address R2(config-router)#area 52 range 202.2.0.0 255.255.252.0 R2(config-router)# RACK15AS>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 1.0.0.0/24 is subnetted, 1 subnets O E2 1.1.1.0 [110/20] via 17.80.1.1, 00:00:01, FastEthernet0/0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 17.80.1.1, 00:00:01, FastEthernet0/0 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 17.80.1.1, 00:00:01, FastEthernet0/0 C 200.1.0.0/24 is directly connected, Loopback0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/15665] via 17.80.1.1, 00:13:21, FastEthernet0/0 O IA 208.28.1.64/28 [110/15667] via 17.80.1.1, 00:13:03, FastEthernet0/0 O IA 208.28.1.0/29 [110/15645] via 17.80.1.1, 00:13:48, FastEthernet0/0 --More--   180.40.0.0/27 is subnetted, 2 subnets O IA 180.40.7.0 [110/15645] via 17.80.1.1, 00:13:49, FastEthernet0/0 O IA 180.40.7.64 [110/31270] via 17.80.1.1, 00:13:32, FastEthernet0/0 O E2 200.1.0.0/22 [110/20] via 17.80.1.1, 00:00:03, FastEthernet0/0 O E1 217.57.0.0/16 [110/15687] via 17.80.1.1, 00:00:03, FastEthernet0/0 O IA 202.2.0.0/22 [110/15646] via 17.80.1.1, 00:00:07, FastEthernet0/0 R4# RACK15AS>2 [Resuming connection 2 to r2 ... ] R2(config-router)#^Z R2#sh run *Mar 1 21:09:53.413: %SYS-5-CONFIG_I: Configured from console by console R2#sh run | b router router ospf 1 router-id 2.2.2.2 log-adjacency-changes auto-cost reference-bandwidth 2000 area 51 nssa no-redistribution no-summary area 52 range 202.2.0.0 255.255.252.0 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 52 network 208.28.1.3 0.0.0.0 area 200 network 208.28.1.129 0.0.0.0 area 51 distribute-list 1 out connected ! ip classless ! no ip http server no ip http secure-server ! access-list 1 deny 202.0.0.0 0.255.255.255 access-list 1 permit any ! --More--   R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#router ospf 1 R2(config-router)#router ospf 1area 52 range 202.2.0.0 255.255.252.0narea 52 range 202.2.0.0 255.255.252.0oarea 52 range 202.2.0.0 255.255.252.0 area 52 range 202.2.0.0 255.255.252.0 R2(config-router)#inbt     nt lo 1 R2(config-if)#ip ospf ne 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                 dos h    shri   ip ospf int lo 1 Loopback1 is up, line protocol is up Internet Address 202.2.2.2/22, Area 52 Process ID 1, Router ID 2.2.2.2, Network Type LOOPBACK, Cost: 1 Loopback interface is treated as a stub Host R2(config-if)#do sh ip ospf int lo 1 ip ospf net br R2(config-if)#ip ospf net broadcast OSPF: Invalid type for interface R2(config-if)#ip ospf net broadcast           no OSPF: Invalid type for interface R2(config-if)#ip ospf net no  po R2(config-if)#ip ospf net point-to-m R2(config-if)#ip ospf net point-to-multipoint OSPF: Invalid type for interface R2(config-if)#ip ospf net point-to-multipoint            p R2(config-if)#ip ospf net point-to-point R2(config-if)# RACK15AS> [Resuming connection 2 to r2 ... ] 4 ^ % Invalid input detected at '^' marker. R2(config-if)# RACK15AS>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 1.0.0.0/24 is subnetted, 1 subnets O E2 1.1.1.0 [110/20] via 17.80.1.1, 00:00:54, FastEthernet0/0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 17.80.1.1, 00:00:54, FastEthernet0/0 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 17.80.1.1, 00:00:54, FastEthernet0/0 C 200.1.0.0/24 is directly connected, Loopback0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/15665] via 17.80.1.1, 00:15:21, FastEthernet0/0 O IA 208.28.1.64/28 [110/15667] via 17.80.1.1, 00:15:02, FastEthernet0/0 O IA 208.28.1.0/29 [110/15645] via 17.80.1.1, 00:15:47, FastEthernet0/0 --More--   180.40.0.0/27 is subnetted, 2 subnets O IA 180.40.7.0 [110/15645] via 17.80.1.1, 00:15:47, FastEthernet0/0 O IA 180.40.7.64 [110/31270] via 17.80.1.1, 00:15:31, FastEthernet0/0 O E2 200.1.0.0/22 [110/20] via 17.80.1.1, 00:00:55, FastEthernet0/0 O E1 217.57.0.0/16 [110/15687] via 17.80.1.1, 00:00:55, FastEthernet0/0 O IA 202.2.0.0/22 [110/15646] via 17.80.1.1, 00:00:03, FastEthernet0/0 R4# RACK15AS>2 [Resuming connection 2 to r2 ... ] R2(config-if)#^Z R2#sh run | *Mar 1 21:12:16.768: %SYS-5-CONFIG_I: Configured from console by console R2#sh run | b router router ospf 1 router-id 2.2.2.2 log-adjacency-changes auto-cost reference-bandwidth 2000 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 202.2.2.2 0.0.0.0 area 52 network 208.28.1.3 0.0.0.0 area 200 network 208.28.1.129 0.0.0.0 area 51 distribute-list 1 out connected ! ip classless ! no ip http server no ip http secure-server ! access-list 1 deny 202.0.0.0 0.255.255.255 access-list 1 permit any ! ! --More--   R2#config t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#int s 1/2 R2(config-if)#ip ospf ne po R2(config-if)#ip ospf ne point-to-m R2(config-if)#ip ospf ne point-to-multipoint R2(config-if)# *Mar 1 21:12:53.684: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on Serial1/2 from FULL to RACK15AS>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)# *Mar 1 21:13:06.189: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial1/2 from FULL to DOWN, Neighbor Down: Interface down or detached R3(config-if)#^Z R3# *Mar 1 21:13:07.247: %SYS-5-CONFIG_I: Configured from console by console R3# *Mar 1 21:13:25.881: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial1/2 from LOADING to FULL, Loading Done R3# R3# R3# R3#ship r     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 1.0.0.0/24 is subnetted, 1 subnets O E2 1.1.1.0 [110/20] via 208.28.1.1, 00:00:00, Serial1/0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 208.28.1.3, 00:00:00, Serial1/0 [110/20] via 180.40.7.2, 00:00:00, Serial1/2 3.0.0.0/24 is subnetted, 1 subnets C 3.3.3.0 is directly connected, Loopback0 200.1.0.0/32 is subnetted, 1 subnets O 200.1.0.1 [110/21] via 17.80.1.2, 00:17:38, FastEthernet0/0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/15645] via 208.28.1.3, 00:00:01, Serial1/0 --More--  O IA 208.28.1.64/28 [110/15647] via 208.28.1.3, 00:00:02, Serial1/0 C 208.28.1.0/29 is directly connected, Serial1/0 180.40.0.0/16 is variably subnetted, 3 subnets, 2 masks O 180.40.7.2/32 [110/15625] via 208.28.1.3, 00:00:02, Serial1/0 [110/15625] via 180.40.7.2, 00:00:02, Serial1/2 C 180.40.7.0/27 is directly connected, Serial1/2 O 180.40.7.64/27 [110/31250] via 208.28.1.1, 00:00:22, Serial1/0 [110/31250] via 208.28.1.3, 00:00:22, Serial1/0 O E2 200.1.0.0/22 [110/20] via 208.28.1.3, 00:00:02, Serial1/0 O E1 217.57.0.0/16 [110/15667] via 208.28.1.3, 00:00:02, Serial1/0 O IA 202.2.0.0/22 [110/15626] via 208.28.1.3, 00:00:02, Serial1/0 R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#int s 1/2 R3(config-if)#ban 116 R3(config-if)#^Z R3# *Mar 1 21:14:13.523: %SYS-5-CONFIG_I: Configured from console by console R3#config tsh 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 1.0.0.0/24 is subnetted, 1 subnets O E2 1.1.1.0 [110/20] via 208.28.1.1, 00:00:00, Serial1/0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 208.28.1.3, 00:00:00, Serial1/0 [110/20] via 180.40.7.2, 00:00:00 3.0.0.0/24 is subnetted, 1 subnets C 3.3.3.0 is directly connected, Loopback0 200.1.0.0/32 is subnetted, 1 subnets O 200.1.0.1 [110/21] via 17.80.1.2, 00:18:24, FastEthernet0/0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/15645] via 180.40.7.2, 00:00:01 --More--  O IA 208.28.1.64/28 [110/15647] via 180.40.7.2, 00:00:02 C 208.28.1.0/29 is directly connected, Serial1/0 180.40.0.0/16 is variably subnetted, 3 subnets, 2 masks O 180.40.7.2/32 [110/15625] via 208.28.1.3, 00:00:02, Serial1/0 C 180.40.7.0/27 is directly connected, Serial1/2 O 180.40.7.64/27 [110/31250] via 208.28.1.1, 00:00:38, Serial1/0 [110/31250] via 180.40.7.2, 00:00:38 O E2 200.1.0.0/22 [110/20] via 180.40.7.2, 00:00:02 O E1 217.57.0.0/16 [110/15667] via 180.40.7.2, 00:00:02 O IA 202.2.0.0/22 [110/15626] via 180.40.7.2, 00:00:02 R3# RACK15AS>1 [Resuming connection 1 to r1 ... ] *Ma R1#config Configuring from terminal, memory, or network [terminal]? Enter configuration commands, one per line. End with CNTL/Z. R1(config)#router ospf 1 R1(config-router)#authen R1(config-router)#authen R1(config-router)#authen R1(config-router)#authen R1(config-router)#authen R1(config-router)#authen R1(config-router)#authen R1(config-router)#authen      AREA  R1(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 R1(config-router)#AREA 0 authen R1(config-router)#AREA 0 authentication ? message-digest Use message-digest authentication R1(config-router)#AREA 0 authentication me R1(config-router)#AREA 0 authentication message-digest R1(config-router)#int s `1  0/0.1 R1(config-subif)#int s 0/0.1 2 R1(config-subif)#ip oap R1(config-subif)#ip oap   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 q  *Mar 1 21:22:43.407: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial0/0.2 from FULL to DOWN, Neighbor Down: Dead timer expired R1(config-subif)#ip ospf me 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 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)# RACK15AS>2 [Resuming connection 2 to r2 ... ] ighbor Down: Interface do R2(config-if)#routre    er p ospf 1 R2(config-router)#area 0 au R2(config-router)#area 0 authentication me R2(config-router)#area 0 authentication message-digest R2(config-router)#int s 1/0.2 R2(config-subif)#ip ospf authen ? message-digest Use message-digest authentication null Use no authentication R2(config-subif)#ip ospf authen me R2(config-subif)#ip ospf authen message-digest ? R2(config-subif)#ip ospf authen message-digest              R2(config-subif)#ip ospf authen message-digest                       me R2(config-subif)#ip ospf message-digest-key 1 ? md5 Use MD5 algorithm R2(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) R2(config-subif)#ip ospf message-digest-key 1 md5 cisco R2(config-subif)# *Mar 1 21:23:24.951: %OSPF-5-ADJCHG: Process 1, Nbr 1.1.1.1 on Serial1/0.2 from LOADING to FULL, Loading Done R2(config-subif)# RACK15AS>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 1.0.0.0/24 is subnetted, 1 subnets O E2 1.1.1.0 [110/20] via 17.80.1.1, 00:11:37, FastEthernet0/0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 17.80.1.1, 00:11:37, FastEthernet0/0 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 17.80.1.1, 00:11:37, FastEthernet0/0 C 200.1.0.0/24 is directly connected, Loopback0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/15665] via 17.80.1.1, 00:28:42, FastEthernet0/0 O IA 208.28.1.64/28 [110/15667] via 17.80.1.1, 00:28:24, FastEthernet0/0 O IA 208.28.1.0/29 [110/15645] via 17.80.1.1, 00:29:09, FastEthernet0/0 --More--   180.40.0.0/16 is variably subnetted, 3 subnets, 2 masks O IA 180.40.7.3/32 [110/20] via 17.80.1.1, 00:11:52, FastEthernet0/0 O IA 180.40.7.2/32 [110/15645] via 17.80.1.1, 00:12:02, FastEthernet0/0 O IA 180.40.7.64/27 [110/31270] via 17.80.1.1, 00:28:52, FastEthernet0/0 O E2 200.1.0.0/22 [110/20] via 17.80.1.1, 00:11:38, FastEthernet0/0 O E1 217.57.0.0/16 [110/15687] via 17.80.1.1, 00:11:38, FastEthernet0/0 O IA 202.2.0.0/22 [110/15646] via 17.80.1.1, 00:13:25, FastEthernet0/0 R4#q clea ip route * R4#clea ip route *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 1.0.0.0/24 is subnetted, 1 subnets O E2 1.1.1.0 [110/20] via 17.80.1.1, 00:00:01, FastEthernet0/0 2.0.0.0/24 is subnetted, 1 subnets O E2 2.2.2.0 [110/20] via 17.80.1.1, 00:00:01, FastEthernet0/0 3.0.0.0/24 is subnetted, 1 subnets O E2 3.3.3.0 [110/20] via 17.80.1.1, 00:00:01, FastEthernet0/0 C 200.1.0.0/24 is directly connected, Loopback0 208.28.1.0/24 is variably subnetted, 3 subnets, 3 masks O IA 208.28.1.128/27 [110/15665] via 17.80.1.1, 00:00:02, FastEthernet0/0 O IA 208.28.1.64/28 [110/15667] via 17.80.1.1, 00:00:02, FastEthernet0/0 O IA 208.28.1.0/29 [110/15645] via 17.80.1.1, 00:00:02, FastEthernet0/0 --More--   180.40.0.0/16 is variably subnetted, 3 subnets, 2 masks O IA 180.40.7.3/32 [110/20] via 17.80.1.1, 00:00:03, FastEthernet0/0 O IA 180.40.7.2/32 [110/15645] via 17.80.1.1, 00:00:03, FastEthernet0/0 O IA 180.40.7.64/27 [110/31270] via 17.80.1.1, 00:00:03, FastEthernet0/0 O E2 200.1.0.0/22 [110/20] via 17.80.1.1, 00:00:03, FastEthernet0/0 O E1 217.57.0.0/16 [110/15687] via 17.80.1.1, 00:00:03, FastEthernet0/0 O IA 202.2.0.0/22 [110/15646] via 17.80.1.1, 00:00:03, FastEthernet0/0 R4# RACK15AS>3 [Resuming connection 3 to r3 ... ] R3#sh ip ospf vir Virtual Link OSPF_VL1 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 15625 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:01 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_VL0 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 15625 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 Hello due in 00:00:01 Adjacency State FULL (Hello suppressed) Index 1/5, retransmission queue length 1, number of retransmission 52 First 0x83D876DC(78)/0x0(0) Next 0x83D876DC(78)/0x0(0) Last retransmission scan length is 1, maximum is 1 --More--   Last retransmission scan time is 0 msec, maximum is 0 msec Link State retransmission due in 4469 msec R3#config t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#router        do sh i p  p sofp      ospf dat 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 4 (DNA) 0x80000009 0x0002FD 3 2.2.2.2 2.2.2.2 1 (DNA) 0x80000012 0x006812 2 3.3.3.3 3.3.3.3 718 0x8000000D 0x00FD83 2 Summary Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 17.80.1.0 3.3.3.3 1810 0x80000002 0x004970 180.40.7.2 1.1.1.1 1 (DNA) 0x80000001 0x007C90 180.40.7.2 2.2.2.2 1 (DNA) 0x80000001 0x00DC72 180.40.7.2 3.3.3.3 795 0x80000001 0x0040C4 180.40.7.3 1.1.1.1 1 (DNA) 0x80000001 0x007299 180.40.7.3 2.2.2.2 1 (DNA) 0x80000001 0x0054B3 180.40.7.3 3.3.3.3 785 0x80000001 0x00B495 200.1.0.1 3.3.3.3 1810 0x80000002 0x00B798 202.2.0.0 2.2.2.2 1 (DNA) 0x80000001 0x00E386 208.28.1.0 1.1.1.1 17 (DNA) 0x80000004 0x00C543 --More--  208.28.1.0 2.2.2.2 18 (DNA) 0x80000007 0x00A160 208.28.1.0 3.3.3.3 1818 0x80000002 0x008D75 208.28.1.64 1.1.1.1 17 (DNA) 0x80000004 0x0069E4 208.28.1.64 2.2.2.2 1 (DNA) 0x80000009 0x0046B1 208.28.1.128 1.1.1.1 1 (DNA) 0x80000006 0x009683 208.28.1.128 2.2.2.2 18 (DNA) 0x8000000A 0x004D7B Summary ASB Link States (Area 0) Link ID ADV Router Age Seq# Checksum 1.1.1.1 2.2.2.2 1376 (DNA) 0x80000006 0x001B0E 1.1.1.1 3.3.3.3 1818 0x80000002 0x007272 2.2.2.2 1.1.1.1 17 (DNA) 0x80000004 0x007C6A 2.2.2.2 3.3.3.3 1818 0x80000002 0x00449C 3.3.3.3 1.1.1.1 17 (DNA) 0x80000004 0x004E94 3.3.3.3 2.2.2.2 18 (DNA) 0x80000005 0x002EAF Router Link States (Area 51) Link ID ADV Router Age Seq# Checksum Link count 3.3.3.3 3.3.3.3 1834 0x80000009 0x00092C 1 4.4.4.4 4.4.4.4 1867 0x80000006 0x00272F 2 --More--   R3(config)#router os spf 1 R3(config-router)#area 0 authe me R3(config-router)#area 0 authe message-digest R3(config-router)#area 200 vi 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 ? 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 R3(config-router)#area 200 virtual-link 1.1.1.1 au R3(config-router)#area 200 virtual-link 1.1.1.1 authentication              m *Mar 1 21:27:10.000: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on OSPF_VL1 from LOADING to FULL, Loading Done R3(config-router)#area 200 virtual-link 1.1.1.1 me R3(config-router)#area 200 virtual-link 1.1.1.1 message-digest-key 1 ? md5 Use MD5 algorithm R3(config-router)#area 200 virtual-link 1.1.1.1 message-digest-key 1 md5 ? <0-7> Encryption type (0 for not yet encrypted, 7 for proprietary) LINE Authentication key (16 chars) R3(config-router)#area 200 virtual-link 1.1.1.1 message-digest-key 1 md5 notc$rtual-link 1.1.1.1 message-digest-key 1 md5 notci sco R3(config-router)#$rtual-link 1.1.1.1 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 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 notcisco R3(config-router)#^Z R3# RACK15AS>1 [Resuming connection 1 to r1 ... ] *M R1(config-subif)#router ospf 1 R1(config-router)#area 200 vir R1(config-router)#area 200 virtual-link 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 virtual-link 3.3.3.3 ms R1(config-router)#area 200 virtual-link 3.3.3.3 ms e R1(config-router)#area 200 virtual-link 3.3.3.3 message-digest-key ? <1-255> Key ID R1(config-router)#area 200 virtual-link 3.3.3.3 message-digest-key 1 md5 notc$rtual-link 3.3.3.3 message-digest-key 1 md5 notci sco R1(config-router)#$rtual-link 3.3.3.3 message-digest-key 1 md5 notcisco $rtual-link 3.3.3.3 message-digest-key 1 md5 notcisco ^Z R1# RACK15AS>2 [Resuming connection 2 to r2 ... ] *M R2(config-subif)#router ospf 1 R2(config-router)#area 200 vir 3.3.3.3 me R2(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) R2(config-router)#area 200 vir 3.3.3.3 message-digest-key 1 md5 notcisco R2(config-router)#^Z R2# *Mar 1 21:29:27.273: %SYS-5-CONFIG_I: Configured from console by console R2# RACK15AS>z 1 [Resuming connection 1 to r1 ... ] *Ma R1#sh run | b interface Serial1 0/0.2 interface Serial0/0.2 point-to-point bandwidth 128 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 1.1.1.1 log-adjacency-changes auto-cost reference-bandwidth 2000 area 0 authentication message-digest area 51 nssa no-redistribution no-summary area 51 default-cost 120 area 200 virtual-link 3.3.3.3 message-digest-key 1 md5 notcisco --More--   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 ! ! end --More--   R1# RACK15AS>2 [Resuming connection 2 to r2 ... ] R2#sh run | b inter       s Serqai   ial1/0.2 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 map ip 180.40.7.66 201 broadcast ! interface Serial1/1 no ip address shutdown ! interface Serial1/2 ip address 180.40.7.2 255.255.255.224 ip ospf network point-to-multipoint clock rate 64000 ! 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 2.2.2.2 log-adjacency-changes auto-cost reference-bandwidth 2000 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 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 52 --More--   network 208.28.1.3 0.0.0.0 area 200 network 208.28.1.129 0.0.0.0 area 51 distribute-list 1 out connected ! ip classless ! no ip http server no ip http secure-server ! access-list 1 deny 202.0.0.0 0.255.255.255 access-list 1 permit any ! ! ! ! ! ! ! ! ! line con 0 exec-timeout 0 0 logging synchronous --More--   R2# RACK15AS>3 [Resuming connection 3 to r3 ... ] *M R3#sh ru n|     n | ospf ^ % Invalid input detected at '^' marker. R3#sh run | ospf    router routerrouter brouter router router ospf 1 router-id 3.3.3.3 log-adjacency-changes auto-cost reference-bandwidth 2000 area 0 authentication message-digest area 200 virtual-link 2.2.2.2 message-digest-key 1 md5 notcisco area 200 virtual-link 1.1.1.1 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 ! ip classless ! no ip http server no ip http secure-server ! ! ! ! ! ! ! --More--   R3#