=~=~=~=~=~=~=~=~=~=~=~= PuTTY log 2008.03.18 14:08:51 =~=~=~=~=~=~=~=~=~=~=~= sh line ? <0-81> First Line range async-queue Show async-queue aux Auxiliary line console Primary terminal line summary Quick line status summary tty Terminal controller vty Virtual terminal x/y Slot/Port for Modems | Output modifiers R1#sh line con R1#sh line console ? <0-0> First Line range R1#sh line console % Incomplete command. R1#sh line console  sh line console 0 ? summary Quick line status summary | Output modifiers R1#sh line console 0 Tty Typ Tx/Rx A Modem Roty AccO AccI Uses Noise Overruns Int * 0 CTY - - - - - 0 0 0/0 - Line 0, Location: "", Type: "" Length: 24 lines, Width: 80 columns Baud rate (TX/RX) is 9600/9600, no parity, 2 stopbits, 8 databits Status: PSI Enabled, Ready, Active, Automore On Capabilities: none Modem state: Ready Group codes: 0 Modem hardware state: CTS* noDSR DTR RTS Special Chars: Escape Hold Stop Start Disconnect Activation ^^x none - - none Timeouts: Idle EXEC Idle Session Modem Answer Session Dispatch never never none not set Idle Session Disconnect Warning never Login-sequence User Response 00:00:30 Autoselect Initial Wait not set Modem type is unknown. Session limit is not set. --More--   R1# RACK98AS>^^x  ^^  [Resuming connection 1 to r1 ... ]  R1# R1#^^x % Unknown command or computer name, or unable to find computer address R1#conf t Enter configuration commands, one per line. End with CNTL/Z. R1(config)#router ospf 1 R1(config-router)#rout R1(config-router)#router-id 1.1.1.1 R1(config-router)#net 172.22.124.1 0.0.0.0 aew  rea 0 R1(config-router)#net 172.22.124.1 0.0.0.0 area 024.1 0.0.0.0 area 0 .1 0.0.0.0 area 0 .1 0.0.0.0 area 0 0.1 0.0.0.0 area 0 R1(config-router)#pass R1(config-router)#passive-interface fa R1(config-router)#passive-interface fastEthernet 0/0 R1(config-router)# RACK98AS>2 [Resuming connection 2 to r2 ... ] R2#conf t Enter configuration commands, one per line. End with CNTL/Z. R2(config)#router bgp     ospf 1 R2(config-router)#rou R2(config-router)#router-id 2.2.2.2 R2(config-router)#net 172.22.124.2 0.0.0.0 area 0 R2(config-router)# RACK98AS>4 [Resuming connection 4 to r4 ... ] R4#conf t Enter configuration commands, one per line. End with CNTL/Z. R4(config)#router osfp 1 ^ % Invalid input detected at '^' marker. R4(config)#r router osfp 1 p 1  1 p 1 f 1  1  R4(config-router)#rout R4(config-router)#router-id 4.4.4.4 R4(config-router)#net 172.22.0 124.4 0.0.0.0 area 0 R4(config-router)#do sh ip i ospf int Serial0/0/0 is up, line protocol is up Internet Address 172.22.124.4/27, Area 0 Process ID 1, Router ID 4.4.4.4, Network Type NON_BROADCAST, Cost: 64 Transmit Delay is 1 sec, State WAITING, Priority 1 No designated router on this network No backup designated router on this network Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5 oob-resync timeout 120 Hello due in 00:00:05 Wait time before Designated router selection 00:01:35 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) R4(config-router)# RACK98AS>1 [Resuming connection 1 to r1 ... ] R1(config-router)# R1(config-router)#int s 0/0 R1(config-if)#ip ospf net p R1(config-if)#ip ospf net point-to-m R1(config-if)#ip ospf net point-to-multipoint R1(config-if)# *Mar 8 23:54:49.376: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial0/0 from LOADING to FULL, Loading Done R1(config-if)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 2.2.2.2 0 FULL/ - 00:01:59 172.22.124.2 Serial0/0 4.4.4.4 0 FULL/ - 00:01:59 172.22.124.4 Serial0/0 R1(config-if)# *Mar 8 23:55:14.606: %OSPF-5-ADJCHG: Process 1, Nbr 4.4.4.4 on Serial0/0 from LOADING to FULL, Loading Done R1(config-if)# RACK98AS>2 [Resuming connection 2 to r2 ... ] *Mar 7 18:24:07 R2(config-router)# R2(config-router)#do sh ip ospf neoi  i Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 1 FULL/BDR 00:01:48 172.22.124.1 Serial0/0 R2(config-router)#do sh ip ospf data OSPF Router with ID (2.2.2.2) (Process ID 1) Router Link States (Area 0) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 33 0x80000005 0x0021FB 4 2.2.2.2 2.2.2.2 58 0x80000002 0x0084DB 1 4.4.4.4 4.4.4.4 34 0x80000002 0x001C30 1 Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 172.22.124.2 2.2.2.2 58 0x80000001 0x00E320 172.22.124.4 4.4.4.4 34 0x80000001 0x00D71A R2(config-router)#do sh ip ospf data route % Ambiguous command: "do sh ip ospf data route" R2(config-router)#do sh ip ospf data router 1.1.1.1 OSPF Router with ID (2.2.2.2) (Process ID 1) Router Link States (Area 0) Adv Router is not-reachable LS age: 45 Options: (No TOS-capability, DC) LS Type: Router Links Link State ID: 1.1.1.1 Advertising Router: 1.1.1.1 LS Seq Number: 80000005 Checksum: 0x21FB Length: 72 Number of Links: 4 Link connected to: a Stub Network (Link ID) Network/subnet number: 172.22.0.0 (Link Data) Network Mask: 255.255.255.192 Number of TOS metrics: 0 TOS 0 Metrics: 1 Link connected to: another Router (point-to-point) --More--   R2(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 172.22.0.0/16 is variably subnetted, 4 subnets, 3 masks C 172.22.26.0/24 is directly connected, Serial0/2 C 172.22.5.0/24 is directly connected, FastEthernet0/0 C 172.22.124.0/27 is directly connected, Serial0/0 C 172.22.82.0/26 is directly connected, Loopback0 R2(config-router)# RACK98AS>1 [Resuming connection 1 to r1 ... ] R1(config-if)# R1(config-if)#ip ospfd    net R1(config-if)#ip ospf network bo R1(config-if)#ip ospf network bo r R1(config-if)#ip ospf network broadcast R1(config-if)#\ *Mar 8 23:56:51.537: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial0/0 from FULL to DOWN, Neighbor Down: Interface down or detached *Mar 8 23:56:51.537: %OSPF-5-ADJCHG: Process 1, Nbr 4.4.4.4 on Serial0/0 from FULL to DOWN, Neighbor Down: Interface down or detached R1(config-if)#\ do sh ip ospf int s 0/0 Serial0/0 is up, line protocol is up Internet Address 172.22.124.1/27, Area 0 Process ID 1, Router ID 1.1.1.1, Network Type BROADCAST, Cost: 64 Transmit Delay is 1 sec, State WAITING, Priority 1 No designated router on this network No backup designated router on this network Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 oob-resync timeout 40 Hello due in 00:00:01 Wait time before Designated router selection 00:00:31 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 1 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-if)# RACK98AS>2 [Resuming connection 2 to r2 ... ] R2(config-router)#do sh ip routeospf data router 1.1.1.1                   int Serial0/0 is up, line protocol is up Internet Address 172.22.124.2/27, Area 0 Process ID 1, Router ID 2.2.2.2, Network Type NON_BROADCAST, Cost: 64 Transmit Delay is 1 sec, State DR, Priority 1 Designated Router (ID) 2.2.2.2, Interface address 172.22.124.2 Backup Designated router (ID) 1.1.1.1, Interface address 172.22.124.1 Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5 oob-resync timeout 120 Hello due in 00:00:06 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 1 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) R2(config-router)# RACK98AS>1 [Resuming connection 1 to r1 ... ] R1(config-if)#ip ospf hell 20  30 R1(config-if)#ip ospf hell 30do sh ip ospf int s 0/0 Serial0/0 is up, line protocol is up Internet Address 172.22.124.1/27, Area 0 Process ID 1, Router ID 1.1.1.1, Network Type BROADCAST, Cost: 64 Transmit Delay is 1 sec, State DR, Priority 1 Designated Router (ID) 1.1.1.1, Interface address 172.22.124.1 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 00:00:26 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 1 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-if)# *Mar 8 23:57:44.624: %OSPF-5-ADJCHG: Process 1, Nbr 4.4.4.4 on Serial0/0 from LOADING to FULL, Loading Done R1(config-if)# *Mar 8 23:57:49.412: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial0/0 from LOADING to FULL, Loading Done R1(config-if)# RACK98AS>2 [Resuming connection 2 to r2 ... ] *Mar 7 18:27:08.044 R2(config-router)#do sh ip ospf introute  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 172.22.0.0/16 is variably subnetted, 4 subnets, 3 masks C 172.22.26.0/24 is directly connected, Serial0/2 C 172.22.5.0/24 is directly connected, FastEthernet0/0 C 172.22.124.0/27 is directly connected, Serial0/0 C 172.22.82.0/26 is directly connected, Loopback0 R2(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 172.22.0.0/16 is variably subnetted, 4 subnets, 3 masks C 172.22.26.0/24 is directly connected, Serial0/2 C 172.22.5.0/24 is directly connected, FastEthernet0/0 C 172.22.124.0/27 is directly connected, Serial0/0 C 172.22.82.0/26 is directly connected, Loopback0 R2(config-router)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 1.1.1.1 1 FULL/BDR 00:01:52 172.22.124.1 Serial0/0 R2(config-router)#do sh ip ospf dt~ a  ata OSPF Router with ID (2.2.2.2) (Process ID 1) Router Link States (Area 0) Link ID ADV Router Age Seq# Checksum Link count 1.1.1.1 1.1.1.1 34 0x80000007 0x00636A 2 2.2.2.2 2.2.2.2 208 0x80000002 0x0084DB 1 4.4.4.4 4.4.4.4 184 0x80000002 0x001C30 1 Net Link States (Area 0) Link ID ADV Router Age Seq# Checksum 172.22.124.2 2.2.2.2 208 0x80000001 0x00E320 172.22.124.4 4.4.4.4 185 0x80000001 0x00D71A R2(config-router)#do sh ip ospf datanei 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 172.22.0.0/16 is variably subnetted, 4 subnets, 3 masks C 172.22.26.0/24 is directly connected, Serial0/2 C 172.22.5.0/24 is directly connected, FastEthernet0/0 C 172.22.124.0/27 is directly connected, Serial0/0 C 172.22.82.0/26 is directly connected, Loopback0 R2(config-router)#do clea ip rout * R2(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 172.22.0.0/16 is variably subnetted, 4 subnets, 3 masks C 172.22.26.0/24 is directly connected, Serial0/2 C 172.22.5.0/24 is directly connected, FastEthernet0/0 C 172.22.124.0/27 is directly connected, Serial0/0 C 172.22.82.0/26 is directly connected, Loopback0 R2(config-router)#do sh ip routeclea ip rout *sh ip route ospf data route 1.1.1.1 OSPF Router with ID (2.2.2.2) (Process ID 1) Router Link States (Area 0) Adv Router is not-reachable LS age: 56 Options: (No TOS-capability, DC) LS Type: Router Links Link State ID: 1.1.1.1 Advertising Router: 1.1.1.1 LS Seq Number: 80000007 Checksum: 0x636A Length: 48 Number of Links: 2 Link connected to: a Stub Network (Link ID) Network/subnet number: 172.22.0.0 (Link Data) Network Mask: 255.255.255.192 Number of TOS metrics: 0 TOS 0 Metrics: 1 Link connected to: a Transit Network --More--   (Link ID) Designated Router address: 172.22.124.4 (Link Data) Router Interface address: 172.22.124.1 Number of TOS metrics: 0 TOS 0 Metrics: 64 R2(config-router)#do sh ip ospf data route 1.1.1.1route 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 172.22.0.0/16 is variably subnetted, 4 subnets, 3 masks C 172.22.26.0/24 is directly connected, Serial0/2 C 172.22.5.0/24 is directly connected, FastEthernet0/0 C 172.22.124.0/27 is directly connected, Serial0/0 C 172.22.82.0/26 is directly connected, Loopback0 R2(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 172.22.0.0/16 is variably subnetted, 4 subnets, 3 masks C 172.22.26.0/24 is directly connected, Serial0/2 C 172.22.5.0/24 is directly connected, FastEthernet0/0 C 172.22.124.0/27 is directly connected, Serial0/0 C 172.22.82.0/26 is directly connected, Loopback0 R2(config-router)# RACK98AS>4 [Resuming connection 4 to r4 ... ] *Mar 19 00:14:39.4 R4(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 172.22.0.0/16 is variably subnetted, 11 subnets, 4 masks C 172.22.44.4/32 is directly connected, Loopback120 C 172.22.45.0/24 is directly connected, Serial0/1/0 C 172.22.34.0/24 is directly connected, FastEthernet0/1 R 172.22.33.3/32 [120/1] via 172.22.34.3, 00:00:09, FastEthernet0/1 R 172.22.36.0/24 [120/1] via 172.22.34.3, 00:00:09, FastEthernet0/1 R 172.22.3.0/24 [120/1] via 172.22.34.3, 00:00:09, FastEthernet0/1 C 172.22.0.0/26 is directly connected, FastEthernet0/0 C 172.22.124.0/27 is directly connected, Serial0/0/0 R 172.22.83.0/24 [120/1] via 172.22.34.3, 00:00:10, FastEthernet0/1 R 172.22.81.0/24 [120/1] via 172.22.0.1, 00:00:00, FastEthernet0/0 C 172.22.84.0/24 is directly connected, Loopback0 R4(config-router)#do sh ip route ospf R4(config-router)# RACK98AS>1 [Resuming connection 1 to r1 ... ] R1(config-if)#do clea ip ospf preo   ro Reset ALL OSPF processes? [no]: y R1(config-if)# *Mar 8 23:59:14.988: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial0/0 from 2WAY to DOWN, Neighbor Down: Interface down or detached *Mar 8 23:59:14.988: %OSPF-5-ADJCHG: Process 1, Nbr 4.4.4.4 on Serial0/0 from FULL to DOWN, Neighbor Down: Interface down or detached *Mar 8 23:59:15.220: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial0/0 from LOADING to FULL, Loading Done *Mar 8 23:59:15.224: %OSPF-5-ADJCHG: Process 1, Nbr 4.4.4.4 on Serial0/0 from LOADING to FULL, Loading Done R1(config-if)# RACK98AS>2 [Resuming connection 2 to r2 ... ] *Mar 7 18:28:33. R2(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 172.22.0.0/16 is variably subnetted, 4 subnets, 3 masks C 172.22.26.0/24 is directly connected, Serial0/2 C 172.22.5.0/24 is directly connected, FastEthernet0/0 C 172.22.124.0/27 is directly connected, Serial0/0 C 172.22.82.0/26 is directly connected, Loopback0 R2(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 172.22.0.0/16 is variably subnetted, 4 subnets, 3 masks C 172.22.26.0/24 is directly connected, Serial0/2 C 172.22.5.0/24 is directly connected, FastEthernet0/0 C 172.22.124.0/27 is directly connected, Serial0/0 C 172.22.82.0/26 is directly connected, Loopback0 R2(config-router)#do sh ip ospf net sh ip ospf net ^ % Invalid input detected at '^' marker. R2(config-router)#do sh ip ospf net   int Serial0/0 is up, line protocol is up Internet Address 172.22.124.2/27, Area 0 Process ID 1, Router ID 2.2.2.2, Network Type NON_BROADCAST, Cost: 64 Transmit Delay is 1 sec, State DR, Priority 1 Designated Router (ID) 2.2.2.2, Interface address 172.22.124.2 Backup Designated router (ID) 1.1.1.1, Interface address 172.22.124.1 Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5 oob-resync timeout 120 Hello due in 00:00:11 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 1 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) R2(config-router)# RACK98AS>4 [Resuming connection 4 to r4 ... ] *Mar 19 00:1 R4(config-router)#do sh ip route ospf ospf int Serial0/0/0 is up, line protocol is up Internet Address 172.22.124.4/27, Area 0 Process ID 1, Router ID 4.4.4.4, Network Type NON_BROADCAST, Cost: 64 Transmit Delay is 1 sec, State DR, Priority 1 Designated Router (ID) 4.4.4.4, Interface address 172.22.124.4 Backup Designated router (ID) 1.1.1.1, Interface address 172.22.124.1 Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5 oob-resync timeout 120 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 0, maximum is 2 Last flood scan time is 0 msec, maximum is 0 msec Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 1.1.1.1 (Backup Designated Router) Suppress hello for 0 neighbor(s) R4(config-router)# RACK98AS>1 [Resuming connection 1 to r1 ... ] R1(config-if)#ydo clea ip ospf prosh ip ospf int s 0/0ip ospf hell 30 do sh ip ospf int s 0/0ip ospf network broadcast do sh ip ospf nei  Neighbor ID Pri State Dead Time Address Interface 2.2.2.2 1 FULL/DROTHER 00:01:47 172.22.124.2 Serial0/0 4.4.4.4 1 FULL/DR 00:01:42 172.22.124.4 Serial0/0 R1(config-if)# R1(config-if)# R1(config-if)# R1(config-if)# RACK98AS>4 [Resuming connection 4 to r4 ... ] R4(config-router)#do sh ip ospf int route ospf R4(config-router)#do sh ip route ospf R4(config-router)#do sh ip route ospf R4(config-router)#do sh ip route ospf R4(config-router)#int s 0/0/0 R4(config-if)#ip ospf pri 0 R4(config-if)# RACK98AS>2 [Resuming connection 2 to r2 ... ] R2(config-router)#int s 0/0 R2(config-if)#ip ospf pri 0 R2(config-if)# RACK98AS>1 [Resuming connection 1 to r1 ... ] R1(config-if)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 2.2.2.2 1 FULL/DROTHER 00:01:56 172.22.124.2 Serial0/0 4.4.4.4 1 FULL/DR 00:01:46 172.22.124.4 Serial0/0 R1(config-if)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 2.2.2.2 1 FULL/DROTHER 00:01:59 172.22.124.2 Serial0/0 4.4.4.4 1 FULL/DR 00:01:44 172.22.124.4 Serial0/0 R1(config-if)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 2.2.2.2 1 FULL/DROTHER 00:01:58 172.22.124.2 Serial0/0 4.4.4.4 1 FULL/DR 00:01:43 172.22.124.4 Serial0/0 R1(config-if)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 2.2.2.2 1 FULL/DROTHER 00:01:57 172.22.124.2 Serial0/0 4.4.4.4 1 FULL/DR 00:01:59 172.22.124.4 Serial0/0 R1(config-if)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 2.2.2.2 1 FULL/DROTHER 00:01:55 172.22.124.2 Serial0/0 4.4.4.4 1 FULL/DR 00:01:58 172.22.124.4 Serial0/0 R1(config-if)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 2.2.2.2 1 FULL/DR 00:01:54 172.22.124.2 Serial0/0 4.4.4.4 0 FULL/DROTHER 00:01:59 172.22.124.4 Serial0/0 R1(config-if)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 2.2.2.2 1 FULL/DR 00:01:52 172.22.124.2 Serial0/0 4.4.4.4 0 FULL/DROTHER 00:01:56 172.22.124.4 Serial0/0 R1(config-if)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 2.2.2.2 1 FULL/DR 00:01:58 172.22.124.2 Serial0/0 4.4.4.4 0 FULL/DROTHER 00:01:58 172.22.124.4 Serial0/0 R1(config-if)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 2.2.2.2 0 FULL/DROTHER 00:01:58 172.22.124.2 Serial0/0 4.4.4.4 0 FULL/DROTHER 00:01:57 172.22.124.4 Serial0/0 R1(config-if)#do sh ip ospf nei   int FastEthernet0/0 is up, line protocol is up Internet Address 172.22.0.1/26, Area 0 Process ID 1, Router ID 1.1.1.1, Network Type BROADCAST, Cost: 1 Transmit Delay is 1 sec, State DR, Priority 1 Designated Router (ID) 1.1.1.1, Interface address 172.22.0.1 No backup designated router on this network Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 oob-resync timeout 40 No Hellos (Passive interface) Supports Link-local Signaling (LLS) Index 2/2, 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 is up, line protocol is up Internet Address 172.22.124.1/27, Area 0 Process ID 1, Router ID 1.1.1.1, Network Type BROADCAST, Cost: 64 Transmit Delay is 1 sec, State DR, Priority 1 Designated Router (ID) 1.1.1.1, Interface address 172.22.124.1 No backup designated router on this network Old designated Router (ID) 2.2.2.2, Interface address 172.22.124.2 --More--   Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5 oob-resync timeout 120 Hello due in 00:00:16 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 1 Last flood scan time is 0 msec, maximum is 0 msec Neighbor Count is 2, Adjacent neighbor count is 2 Adjacent with neighbor 2.2.2.2 Adjacent with neighbor 4.4.4.4 Suppress hello for 0 neighbor(s) R1(config-if)# RACK98AS>4 [Resuming connection 4 to r4 ... ] R4(config-if)#ip ospf pri 0nt s 0/0/0 do sh ip route ospf R4(config-if)#do sh ip route ospf R4(config-if)# RACK98AS>2 [Resuming connection 2 to r2 ... ] R2(config-if)#ip ospf pri 0nt s 0/0 do sh ip ospf intnetroute  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 172.22.0.0/16 is variably subnetted, 5 subnets, 3 masks C 172.22.26.0/24 is directly connected, Serial0/2 O 172.22.0.0/26 [110/65] via 172.22.124.1, 00:00:17, Serial0/0 C 172.22.5.0/24 is directly connected, FastEthernet0/0 C 172.22.124.0/27 is directly connected, Serial0/0 C 172.22.82.0/26 is directly connected, Loopback0 R2(config-if)#router ospf 1 R2(config-router)#net 172.22.82.1 0.0.0.0 area 0 R2(config-router)# RACK98AS>4 [Resuming connection 4 to r4 ... ] R4(config-if)#do sh ip route ospf 172.22.0.0/16 is variably subnetted, 12 subnets, 4 masks O 172.22.82.1/32 [110/65] via 172.22.124.2, 00:00:01, Serial0/0/0 R4(config-if)# RACK98AS>1 [Resuming connection 1 to r1 ... ] R1(config-if)# R1(config-if)#no ip ospf net R1(config-if)#no ip ospf network R1(config-if)# *Mar 9 00:03:11.736: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial0/0 from 2WAY to DOWN, Neighbor Down: Interface down or detached *Mar 9 00:03:11.736: %OSPF-5-ADJCHG: Process 1, Nbr 4.4.4.4 on Serial0/0 from 2WAY to DOWN, Neighbor Down: Interface down or detached R1(config-if)#no ipo    ospf hell R1(config-if)#no ip ospf hell router ospf 1 R1(config-router)#nei 172.22.124.2 R1(config-router)#nei 172.22.124.2 4 R1(config-router)#do sh ip ops  spf int FastEthernet0/0 is up, line protocol is up Internet Address 172.22.0.1/26, Area 0 Process ID 1, Router ID 1.1.1.1, Network Type BROADCAST, Cost: 1 Transmit Delay is 1 sec, State DR, Priority 1 Designated Router (ID) 1.1.1.1, Interface address 172.22.0.1 No backup designated router on this network Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 oob-resync timeout 40 No Hellos (Passive interface) Supports Link-local Signaling (LLS) Index 2/2, 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 is up, line protocol is up Internet Address 172.22.124.1/27, Area 0 Process ID 1, Router ID 1.1.1.1, Network Type NON_BROADCAST, Cost: 64 Transmit Delay is 1 sec, State WAITING, Priority 1 No designated router on this network No backup designated router on this network Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5 --More--   oob-resync timeout 120 Hello due in 00:00:08 Wait time before Designated router selection 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 1 Last flood scan time is 4 msec, maximum is 4 msec Neighbor Count is 2, Adjacent neighbor count is 0 Suppress hello for 0 neighbor(s) R1(config-router)# *Mar 9 00:05:11.869: %OSPF-5-ADJCHG: Process 1, Nbr 2.2.2.2 on Serial0/0 from LOADING to FULL, Loading Done *Mar 9 00:05:11.881: %OSPF-5-ADJCHG: Process 1, Nbr 4.4.4.4 on Serial0/0 from LOADING to FULL, Loading Done R1(config-router)#do sh ip ospf int FastEthernet0/0 is up, line protocol is up Internet Address 172.22.0.1/26, Area 0 Process ID 1, Router ID 1.1.1.1, Network Type BROADCAST, Cost: 1 Transmit Delay is 1 sec, State DR, Priority 1 Designated Router (ID) 1.1.1.1, Interface address 172.22.0.1 No backup designated router on this network Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 oob-resync timeout 40 No Hellos (Passive interface) Supports Link-local Signaling (LLS) Index 2/2, 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 is up, line protocol is up Internet Address 172.22.124.1/27, Area 0 Process ID 1, Router ID 1.1.1.1, Network Type NON_BROADCAST, Cost: 64 Transmit Delay is 1 sec, State DR, Priority 1 Designated Router (ID) 1.1.1.1, Interface address 172.22.124.1 No backup designated router on this network Timer intervals configured, Hello 30, Dead 120, Wait 120, Retransmit 5 --More--   oob-resync timeout 120 Hello due in 00:00:23 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 2 Last flood scan time is 0 msec, maximum is 4 msec Neighbor Count is 2, Adjacent neighbor count is 2 Adjacent with neighbor 2.2.2.2 Adjacent with neighbor 4.4.4.4 Suppress hello for 0 neighbor(s) R1(config-router)#do sh ip ospf nie\  \e   ei Neighbor ID Pri State Dead Time Address Interface 2.2.2.2 0 FULL/DROTHER 00:01:54 172.22.124.2 Serial0/0 4.4.4.4 0 FULL/DROTHER 00:01:49 172.22.124.4 Serial0/0 R1(config-router)# RACK98AS>4 [Resuming connection 4 to r4 ... ] *Mar 19 00 R4(config-if)#do sh ip route ospf 172.22.0.0/16 is variably subnetted, 12 subnets, 4 masks O 172.22.82.1/32 [110/65] via 172.22.124.2, 00:00:35, Serial0/0/0 R4(config-if)#do sh ip route ospf 172.22.0.0/16 is variably subnetted, 12 subnets, 4 masks O 172.22.82.1/32 [110/65] via 172.22.124.2, 00:00:48, Serial0/0/0 R4(config-if)# RACK98AS> [Resuming connection 4 to r4 ... ] R4(config-if)#router ospf 1 R4(config-router)#net 172.22.45.4 0.0.0.0 area 2 R4(config-router)# RACK98AS>5 [Resuming connection 5 to r5 ... ] R5#conf t Enter configuration commands, one per line. End with CNTL/Z. R5(config)#router ospf 1 R5(config-router)#rout R5(config-router)#router-id 5.5.5.5 R5(config-router)#net 172.22.45.5 0.0.0.0       255.255.255.255 area 2 R5(config-router)#d *Mar 8 00:23:00.181: %OSPF-5-ADJCHG: Process 1, Nbr 4.4.4.4 on Serial1/2 from LOADING to FULL, Loading Done R5(config-router)#do sh run | s router router ospf 1 router-id 5.5.5.5 log-adjacency-changes network 172.22.45.5 0.0.0.0 area 2 R5(config-router)#net 172.22.2.5 0.09.0.0     .0.0 area 3 R5(config-router)# RACK98AS>3 [Resuming connection 3 to r3 ... ] R3# R3#conf t Enter configuration commands, one per line. End with CNTL/Z. R3(config)#router ospf 1 R3(config-router)#rout R3(config-router)#router-id 3.3.3.3 R3(config-router)#net 172.22.3.3 0.0.0.0 area 3 R3(config-router)# RACK98AS>5 5 [Resuming connection 5 to r5 ... ] R5(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 172.22.0.0/16 is variably subnetted, 6 subnets, 4 masks C 172.22.45.0/24 is directly connected, Serial1/2 C 172.22.2.0/27 is directly connected, FastEthernet0/0 O IA 172.22.0.0/26 [110/129] via 172.22.45.4, 00:00:28, Serial1/2 O IA 172.22.124.0/27 [110/128] via 172.22.45.4, 00:00:28, Serial1/2 O IA 172.22.82.1/32 [110/129] via 172.22.45.4, 00:00:28, Serial1/2 C 172.22.85.0/24 is directly connected, Loopback0 R5(config-router)# RACK98AS>2 [Resuming connection 2 to r2 ... ] *Mar 7 18: R2(config-router)#do sh ip rouite   te 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 172.22.0.0/16 is variably subnetted, 6 subnets, 3 masks O IA 172.22.45.0/24 [110/128] via 172.22.124.4, 00:03:43, Serial0/0 C 172.22.26.0/24 is directly connected, Serial0/2 O 172.22.0.0/26 [110/65] via 172.22.124.1, 00:03:43, Serial0/0 C 172.22.5.0/24 is directly connected, FastEthernet0/0 C 172.22.124.0/27 is directly connected, Serial0/0 C 172.22.82.0/26 is directly connected, Loopback0 R2(config-router)# RACK98AS>4 [Resuming connection 4 to r4 ... ] *Mar 19 00:2 R4(config-router)#area 2 vir R4(config-router)#area 2 virtual-link 5.5.5.5 R4(config-router)#do sh ip ospf vir Virtual Link OSPF_VL0 to router 5.5.5.5 is down Run as demand circuit DoNotAge LSA allowed. Transit area 2, Cost of using 65535 Transmit Delay is 1 sec, State DOWN, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 R4(config-router)# R4(config-router)# R4(config-router)# R4(config-router)# RACK98AS>5 [Resuming connection 5 to r5 ... ] R5(config-router)# R5(config-router)#\ ^ % Invalid input detected at '^' marker. R5(config-router)# R5(config-router)#area 2 vir R5(config-router)#area 2 virtual-link 4.4.4.4 R5(config-router)# R5(config-router)# R5(config-router)# R5(config-router)# *Mar 8 00:27:57.009: %OSPF-5-ADJCHG: Process 1, Nbr 4.4.4.4 on OSPF_VL0 from LOADING to FULL, Loading Done R5(config-router)#do sh ip ospf vir Virtual Link OSPF_VL0 to router 4.4.4.4 is up Run as demand circuit DoNotAge LSA allowed. Transit area 2, via interface Serial1/2, Cost of using 64 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 1/2, 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 R5(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--   R5(config-router)#auto-cost ? reference-bandwidth Use reference bandwidth method to assign OSPF cost R5(config-router)#auto-cost re R5(config-router)#auto-cost reference-bandwidth ? <1-4294967> The reference bandwidth in terms of Mbits per second R5(config-router)#auto-cost reference-bandwidth 10000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R5(config-router)# RACK98AS>4 [Resuming connection 4 to r4 ... ] *Mar 19 00:33: 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)#do sh ip ospf int OSPF_VL0 is up, line protocol is up Internet Address 172.22.45.4/24, Area 0 Process ID 1, Router ID 4.4.4.4, Network Type VIRTUAL_LINK, Cost: 6476 Configured as demand circuit. Run as demand circuit. DoNotAge LSA allowed. Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 oob-resync timeout 40 Hello due in 00:00:00 Supports Link-local Signaling (LLS) Index 2/3, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 1 Last flood scan time is 0 msec, maximum is 0 msec Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 5.5.5.5 (Hello suppressed) Suppress hello for 1 neighbor(s) Serial0/0/0 is up, line protocol is up Internet Address 172.22.124.4/27, Area 0 Process ID 1, Router ID 4.4.4.4, Network Type NON_BROADCAST, Cost: 6476 Transmit Delay is 1 sec, State DROTHER, Priority 0 Designated Router (ID) 1.1.1.1, Interface address 172.22.124.1 --More--   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 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 2 Last flood scan time is 0 msec, maximum is 0 msec Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 1.1.1.1 (Designated Router) Suppress hello for 0 neighbor(s) Serial0/1/0 is up, line protocol is up Internet Address 172.22.45.4/24, Area 2 Process ID 1, Router ID 4.4.4.4, Network Type POINT_TO_POINT, Cost: 6476 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 Supports Link-local Signaling (LLS) Index 1/2, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 2, maximum is 2 --More--   R4(config-router)#do sh ip ospf int OSPF_VL0 is up, line protocol is up Internet Address 172.22.45.4/24, Area 0 Process ID 1, Router ID 4.4.4.4, Network Type VIRTUAL_LINK, Cost: 6476 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 00:00:02 Supports Link-local Signaling (LLS) Index 2/3, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 1 Last flood scan time is 0 msec, maximum is 0 msec Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 5.5.5.5 (Hello suppressed) Suppress hello for 1 neighbor(s) Serial0/0/0 is up, line protocol is up Internet Address 172.22.124.4/27, Area 0 Process ID 1, Router ID 4.4.4.4, Network Type NON_BROADCAST, Cost: 6476 Transmit Delay is 1 sec, State DROTHER, Priority 0 Designated Router (ID) 1.1.1.1, Interface address 172.22.124.1 --More--   R4(config-router)#do sh ip ospf intauto-cost reference-bandwidth 100000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R4(config-router)#auto-cost reference-bandwidth 100000do sh ip ospf int  OSPF_VL0 is up, line protocol is up Internet Address 172.22.45.4/24, Area 0 Process ID 1, Router ID 4.4.4.4, Network Type VIRTUAL_LINK, Cost: 6476 Configured as demand circuit. Run as demand circuit. DoNotAge LSA allowed. Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 oob-resync timeout 40 Hello due in 00:00:05 Supports Link-local Signaling (LLS) Index 2/3, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 1 Last flood scan time is 0 msec, maximum is 0 msec Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 5.5.5.5 (Hello suppressed) Suppress hello for 1 neighbor(s) Serial0/0/0 is up, line protocol is up Internet Address 172.22.124.4/27, Area 0 Process ID 1, Router ID 4.4.4.4, Network Type NON_BROADCAST, Cost: 64766 Transmit Delay is 1 sec, State DROTHER, Priority 0 Designated Router (ID) 1.1.1.1, Interface address 172.22.124.1 --More--   R4(config-router)# RACK98AS>5 [Resuming connection 5 to r5 ... ] R5(config-router)#auto-cost reference-bandwidth 10000do sh ip ospf vir auto-cost reference-bandwidth 100000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R5(config-router)#do sh int s 9/  1/2 Serial1/2 is up, line protocol is up Hardware is DSCC4 Serial Internet address is 172.22.45.5/24 MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec, reliability 255/255, txload 1/255, rxload 1/255 Encapsulation HDLC, loopback not set Keepalive set (10 sec) Last input 00:00:00, output 00:00:01, output hang never Last clearing of "show interface" counters never Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0 Queueing strategy: weighted fair Output queue: 0/1000/64/0 (size/max total/threshold/drops) Conversations 0/1/256 (active/max active/max total) Reserved Conversations 0/0 (allocated/max allocated) Available Bandwidth 1158 kilobits/sec 5 minute input rate 0 bits/sec, 0 packets/sec 5 minute output rate 0 bits/sec, 1 packets/sec 11208 packets input, 779387 bytes, 0 no buffer Received 11096 broadcasts, 0 runts, 0 giants, 0 throttles 1 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 1 abort 11194 packets output, 766452 bytes, 0 underruns 0 output errors, 0 collisions, 6 interface resets 0 unknown protocol drops --More--   R5(config-router)#do sh int s 1/2auto-cost reference-bandwidth 100000 R5(config-router)#auto-cost reference-bandwidth 100000do sh int s 1/2 auto-cost reference-bandwidth 100000do sh int s 1/2  Serial1/2 is up, line protocol is up Hardware is DSCC4 Serial Internet address is 172.22.45.5/24 MTU 1500 bytes, BW 1544 Kbit, DLY 20000 usec, reliability 255/255, txload 1/255, rxload 1/255 Encapsulation HDLC, loopback not set Keepalive set (10 sec) Last input 00:00:01, output 00:00:06, output hang never Last clearing of "show interface" counters never Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0 Queueing strategy: weighted fair Output queue: 0/1000/64/0 (size/max total/threshold/drops) Conversations 0/1/256 (active/max active/max total) Reserved Conversations 0/0 (allocated/max allocated) Available Bandwidth 1158 kilobits/sec 5 minute input rate 0 bits/sec, 0 packets/sec 5 minute output rate 0 bits/sec, 0 packets/sec 11212 packets input, 779671 bytes, 0 no buffer Received 11097 broadcasts, 0 runts, 0 giants, 0 throttles 1 input errors, 0 CRC, 0 frame, 0 overrun, 0 ignored, 1 abort 11196 packets output, 766560 bytes, 0 underruns 0 output errors, 0 collisions, 6 interface resets 0 unknown protocol drops --More--   R5(config-router)#[Ado sh int s 1/2auto-cost reference-bandwidth 100000do sh int s 1/2 auto-cost reference-bandwidth 100000 do sh ip ospf vir    int OSPF_VL0 is up, line protocol is up Internet Address 172.22.45.5/24, Area 0 Process ID 1, Router ID 5.5.5.5, Network Type VIRTUAL_LINK, Cost: 64766 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 Supports Link-local Signaling (LLS) Index 1/3, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 1 Last flood scan time is 0 msec, maximum is 0 msec Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 4.4.4.4 (Hello suppressed) Suppress hello for 1 neighbor(s) Serial1/2 is up, line protocol is up Internet Address 172.22.45.5/24, Area 2 Process ID 1, Router ID 5.5.5.5, Network Type POINT_TO_POINT, Cost: 64766 Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 --More--   R5(config-router)#do sh ip ospf intnt s 1/2 auto-cost reference-bandwidth 1000000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R5(config-router)# RACK98AS>545 4 [Resuming connection 4 to r4 ... ] R4(config-router)# R4(config-router)#do sh ip ospf int *Mar 19 00:39:16.073: %OSPF-5-ADJCHG: Process 1, Nbr 5.5.5.5 on OSPF_VL0 from FULL to DOWN, Neighbor Down: Interface down or detached R4(config-router)#do sh ip ospf intauto-cost reference-bandwidth 1000000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R4(config-router)#auto-cost reference-bandwidth 1000000do sh ip ospf int auto-cost reference-bandwidth 100000do sh ip ospf int  OSPF_VL0 is down, line protocol is down Internet Address 0.0.0.0/0, Area 0 Process ID 1, Router ID 4.4.4.4, 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 Serial0/0/0 is up, line protocol is up Internet Address 172.22.124.4/27, Area 0 Process ID 1, Router ID 4.4.4.4, Network Type NON_BROADCAST, Cost: 65535 Transmit Delay is 1 sec, State DROTHER, Priority 0 Designated Router (ID) 1.1.1.1, Interface address 172.22.124.1 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 00:00:14 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 2 Last flood scan time is 0 msec, maximum is 0 msec --More--   R4(config-router)#[A  do sh ip ospf intauto-cost reference-bandwidth 1000000nauto-cost reference-bandwidth 1000000oauto-cost reference-bandwidth 1000000 auto-cost reference-bandwidth 1000000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R4(config-router)# RACK98AS>5 [Resuming connection 5 to r5 ... ] R5(config-router)#auto-cost reference-bandwidth 1000000nauto-cost reference-bandwidth 1000000 auto-cost reference-bandwidth 1000000oauto-cost reference-bandwidth 1000000iauto-cost reference-bandwidth 1000000 auto-cost reference-bandwidth 1000000auto-cost reference-bandwidth 1000000 auto-cost reference-bandwidth 1000000 auto-cost reference-bandwidth 1000000 auto-cost reference-bandwidth 1000000 0auto-cost reference-bandwidth 1000000 auto-cost reference-bandwidth 1000000 ^ % Invalid input detected at '^' marker. R5(config-router)#n0 auto-cost reference-bandwidth 1000000n0 auto-cost reference-bandwidth 1000000 o auto-cost reference-bandwidth 1000000 % OSPF: Reference bandwidth is changed. Please ensure reference bandwidth is consistent across all routers. R5(config-router)#do sh ip ospf int OSPF_VL0 is up, line protocol is up Internet Address 172.22.45.5/24, Area 0 Process ID 1, Router ID 5.5.5.5, Network Type VIRTUAL_LINK, Cost: 64 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 00:00:01 Supports Link-local Signaling (LLS) Index 1/3, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 1 Last flood scan time is 0 msec, maximum is 0 msec Neighbor Count is 1, Adjacent neighbor count is 0 Suppress hello for 1 neighbor(s) Serial1/2 is up, line protocol is up Internet Address 172.22.45.5/24, Area 2 Process ID 1, Router ID 5.5.5.5, 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 --More-- *Mar 8 00:36:11.517: %OSPF-5-ADJCHG: Process 1, Nbr 4.4.4.4 on OSPF_VL0 from LOADING to FULL, Loading Done --More--   R5(config-router)# RACK98AS>2 [Resuming connection 2 to r2 ... ] R2(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 172.22.0.0/16 is variably subnetted, 7 subnets, 3 masks O IA 172.22.45.0/24 [110/128] via 172.22.124.4, 00:00:36, Serial0/0 C 172.22.26.0/24 is directly connected, Serial0/2 O IA 172.22.2.0/27 [110/129] via 172.22.124.4, 00:00:36, Serial0/0 O 172.22.0.0/26 [110/65] via 172.22.124.1, 00:00:36, Serial0/0 C 172.22.5.0/24 is directly connected, FastEthernet0/0 C 172.22.124.0/27 is directly connected, Serial0/0 C 172.22.82.0/26 is directly connected, Loopback0 R2(config-router)# RACK98AS>3 [Resuming connection 3 to r3 ... ] R3(config-router)# R3(config-router)#int tu 0 R3(config-if)# *Mar 19 00:47:04.929: %LINEPROTO-5-UPDOWN: Line protocol on Interface Tunnel0, changed state to down R3(config-if)#tun sou R3(config-if)#tun source loop 120 R3(config-if)#tun de R3(config-if)#tun destination 172.22.44.4 R3(config-if)# *Mar 19 00:47:19.677: %LINEPROTO-5-UPDOWN: Line protocol on Interface Tunnel0, changed state to up R3(config-if)#keep R3(config-if)# *Mar 19 00:48:34.929: %LINEPROTO-5-UPDOWN: Line protocol on Interface Tunnel0, changed state to down R3(config-if)#ip add 172.22.43.3 255.255.255.2522 0  4 0  250  48 R3(config-if)# RACK98AS>4 [Resuming connection 4 to r4 ... ] *Mar 19 00 R4(config-router)#int tu 0 R4(config-if)#tun sou *Mar 19 00:46:42.989: %LINEPROTO-5-UPDOWN: Line protocol on Interface Tunnel0, changed state to down R4(config-if)#tun sou lolop 120 ^ % Invalid input detected at '^' marker. R4(config-if)#~tun sou lolop 120op 120 ~op 120op 120  R4(config-if)#tun dest 172.22.33.3 R4(config-if)#keep R4(config-if)# *Mar 19 00:46:58.477: %LINEPROTO-5-UPDOWN: Line protocol on Interface Tunnel0, changed state to up R4(config-if)#ip add 172.22.43.4 255.255.255.248 R4(config-if)#do p 172.22.43.3 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 172.22.43.3, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/4 ms R4(config-if)#do p 172.22.43.3 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 172.22.43.3, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/4 ms R4(config-if)#do p 172.22.43.3 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 172.22.43.3, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/4 ms R4(config-if)#do p 172.22.43.3 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 172.22.43.3, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/4 ms R4(config-if)#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 172.22.0.0/16 is variably subnetted, 14 subnets, 5 masks C 172.22.43.0/29 is directly connected, Tunnel0 C 172.22.44.4/32 is directly connected, Loopback120 C 172.22.45.0/24 is directly connected, Serial0/1/0 C 172.22.34.0/24 is directly connected, FastEthernet0/1 R 172.22.33.3/32 [120/1] via 172.22.34.3, 00:00:05, FastEthernet0/1 R 172.22.36.0/24 [120/1] via 172.22.34.3, 00:00:05, FastEthernet0/1 O IA 172.22.2.0/27 [110/65] via 172.22.45.5, 00:06:09, Serial0/1/0 R 172.22.3.0/24 [120/1] via 172.22.34.3, 00:00:07, FastEthernet0/1 C 172.22.0.0/26 is directly connected, FastEthernet0/0 C 172.22.124.0/27 is directly connected, Serial0/0/0 R 172.22.83.0/24 [120/1] via 172.22.34.3, 00:00:07, FastEthernet0/1 O 172.22.82.1/32 [110/65] via 172.22.124.2, 00:06:11, Serial0/0/0 --More--  R 172.22.81.0/24 [120/1] via 172.22.0.1, 00:00:06, FastEthernet0/0 C 172.22.84.0/24 is directly connected, Loopback0 R4(config-if)#do sh run | s router router ospf 1 router-id 4.4.4.4 log-adjacency-changes area 2 virtual-link 5.5.5.5 network 172.22.45.4 0.0.0.0 area 2 network 172.22.124.4 0.0.0.0 area 0 router rip version 2 passive-interface FastEthernet0/0 passive-interface Serial0/0/0 passive-interface Serial0/1/0 network 172.22.0.0 neighbor 172.22.0.1 no auto-summary R4(config-if)# RACK98AS>3 [Resuming connection 3 to r3 ... ] *Mar 19 00:50:44.929 R3(config-if)#ip add 172.22.43.3 255.255.255.248 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 172.22.0.0/16 is variably subnetted, 13 subnets, 5 masks C 172.22.43.0/29 is directly connected, Tunnel0 R 172.22.44.4/32 [120/1] via 172.22.43.4, 00:00:11, Tunnel0 [120/1] via 172.22.34.4, 00:00:00, FastEthernet0/1 R 172.22.45.0/24 [120/1] via 172.22.43.4, 00:00:11, Tunnel0 [120/1] via 172.22.34.4, 00:00:00, FastEthernet0/1 C 172.22.34.0/24 is directly connected, FastEthernet0/1 C 172.22.33.3/32 is directly connected, Loopback120 C 172.22.36.0/24 is directly connected, Serial0/1/0 C 172.22.3.0/24 is directly connected, FastEthernet0/0 R 172.22.0.0/26 [120/1] via 172.22.43.4, 00:00:12, Tunnel0 R 172.22.0.0/24 [120/1] via 172.22.34.4, 00:00:01, FastEthernet0/1 R 172.22.124.0/27 [120/1] via 172.22.43.4, 00:00:12, Tunnel0 --More--   R3(config-if)#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 172.22.0.0/16 is variably subnetted, 13 subnets, 5 masks C 172.22.43.0/29 is directly connected, Tunnel0 R 172.22.44.4/32 [120/1] via 172.22.43.4, 00:00:18, Tunnel0 [120/1] via 172.22.34.4, 00:00:07, FastEthernet0/1 R 172.22.45.0/24 [120/1] via 172.22.43.4, 00:00:18, Tunnel0 [120/1] via 172.22.34.4, 00:00:07, FastEthernet0/1 C 172.22.34.0/24 is directly connected, FastEthernet0/1 C 172.22.33.3/32 is directly connected, Loopback120 C 172.22.36.0/24 is directly connected, Serial0/1/0 C 172.22.3.0/24 is directly connected, FastEthernet0/0 R 172.22.0.0/26 [120/1] via 172.22.43.4, 00:00:19, Tunnel0 R 172.22.0.0/24 [120/1] via 172.22.34.4, 00:00:08, FastEthernet0/1 R 172.22.124.0/27 [120/1] via 172.22.43.4, 00:00:19, Tunnel0 --More--   R3(config-if)#do sh run | s router router ospf 1 router-id 3.3.3.3 log-adjacency-changes network 172.22.3.3 0.0.0.0 area 3 router rip version 2 passive-interface default no passive-interface FastEthernet0/1 network 172.22.0.0 no auto-summary R3(config-if)# RACK98AS>4 [Resuming connection 4 to r4 ... ] R4(config-if)#router rip R4(config-router)#pass R4(config-router)#passive-interface tun R4(config-router)#passive-interface tunnel 0 R4(config-router)#int tu 0 R4(config-if)#ip ospf 1 are 2 R4(config-if)# RACK98AS>3 [Resuming connection 3 to r3 ... ] R3(config-if)#int tu 0 R3(config-if)#ip ospf 1 are 2 R3(config-if)# *Mar 19 00:55:01.285: %OSPF-5-ADJCHG: Process 1, Nbr 4.4.4.4 on Tunnel0 from LOADING to FULL, Loading Done R3(config-if)# *Mar 19 00:55:03.929: %TUN-5-RECURDOWN: Tunnel0 temporarily disabled due to recursive routing *Mar 19 00:55:04.929: %LINEPROTO-5-UPDOWN: Line protocol on Interface Tunnel0, changed state to down *Mar 19 00:55:04.929: %OSPF-5-ADJCHG: Process 1, Nbr 4.4.4.4 on Tunnel0 from FULL to DOWN, Neighbor Down: Interface down or detached R3(config-if)#do sh ip ospf nei R3(config-if)#do sh ip ospf nei R3(config-if)#do sh ip ospf nei R3(config-if)#do sh ip route 172.22.44.4 Routing entry for 172.22.44.4/32 Known via "rip", distance 120, metric 1 Redistributing via rip Last update from 172.22.34.4 on FastEthernet0/1, 00:00:01 ago Routing Descriptor Blocks: * 172.22.34.4, from 172.22.34.4, 00:00:01 ago, via FastEthernet0/1 Route metric is 1, traffic share count is 1 R3(config-if)# *Mar 19 00:56:14.929: %LINEPROTO-5-UPDOWN: Line protocol on Interface Tunnel0, changed state to up *Mar 19 00:56:14.945: %OSPF-5-ADJCHG: Process 1, Nbr 4.4.4.4 on Tunnel0 from LOADING to FULL, Loading Done R3(config-if)#do sh ip route 172.22.44.4 Routing entry for 172.22.44.4/32 Known via "rip", distance 120, metric 1 Redistributing via rip Last update from 172.22.34.4 on FastEthernet0/1, 00:00:02 ago Routing Descriptor Blocks: * 172.22.34.4, from 172.22.34.4, 00:00:02 ago, via FastEthernet0/1 Route metric is 1, traffic share count is 1 R3(config-if)#do sh ip route 172.22.44.4 Routing entry for 172.22.44.4/32 Known via "rip", distance 120, metric 1 Redistributing via rip Last update from 172.22.34.4 on FastEthernet0/1, 00:00:03 ago Routing Descriptor Blocks: * 172.22.34.4, from 172.22.34.4, 00:00:03 ago, via FastEthernet0/1 Route metric is 1, traffic share count is 1 R3(config-if)#do sh ip route 172.22.44.4 Routing entry for 172.22.44.4/32 Known via "rip", distance 120, metric 1 Redistributing via rip Last update from 172.22.34.4 on FastEthernet0/1, 00:00:04 ago Routing Descriptor Blocks: * 172.22.34.4, from 172.22.34.4, 00:00:04 ago, via FastEthernet0/1 Route metric is 1, traffic share count is 1 R3(config-if)#do sh ip route 172.22.44.4 Routing entry for 172.22.44.4/32 Known via "rip", distance 120, metric 1 Redistributing via rip Last update from 172.22.34.4 on FastEthernet0/1, 00:00:06 ago Routing Descriptor Blocks: * 172.22.34.4, from 172.22.34.4, 00:00:06 ago, via FastEthernet0/1 Route metric is 1, traffic share count is 1 R3(config-if)#do sh ip route 172.22.44.4 Routing entry for 172.22.44.4/32 Known via "rip", distance 120, metric 1 Redistributing via rip Last update from 172.22.34.4 on FastEthernet0/1, 00:00:07 ago Routing Descriptor Blocks: * 172.22.34.4, from 172.22.34.4, 00:00:07 ago, via FastEthernet0/1 Route metric is 1, traffic share count is 1 R3(config-if)#do sh ip route 172.22.44.4 Routing entry for 172.22.44.4/32 Known via "rip", distance 120, metric 1 Redistributing via rip Last update from 172.22.34.4 on FastEthernet0/1, 00:00:08 ago Routing Descriptor Blocks: * 172.22.34.4, from 172.22.34.4, 00:00:08 ago, via FastEthernet0/1 Route metric is 1, traffic share count is 1 R3(config-if)#do sh ip route 172.22.44.4 Routing entry for 172.22.44.4/32 Known via "rip", distance 120, metric 1 Redistributing via rip Last update from 172.22.34.4 on FastEthernet0/1, 00:00:09 ago Routing Descriptor Blocks: * 172.22.34.4, from 172.22.34.4, 00:00:09 ago, via FastEthernet0/1 Route metric is 1, traffic share count is 1 R3(config-if)#do sh ip route 172.22.44.4 Routing entry for 172.22.44.4/32 Known via "rip", distance 120, metric 1 Redistributing via rip Last update from 172.22.34.4 on FastEthernet0/1, 00:00:11 ago Routing Descriptor Blocks: * 172.22.34.4, from 172.22.34.4, 00:00:11 ago, via FastEthernet0/1 Route metric is 1, traffic share count is 1 R3(config-if)#do sh ip route 172.22.44.4 Routing entry for 172.22.44.4/32 Known via "rip", distance 120, metric 1 Redistributing via rip Last update from 172.22.34.4 on FastEthernet0/1, 00:00:13 ago Routing Descriptor Blocks: * 172.22.34.4, from 172.22.34.4, 00:00:13 ago, via FastEthernet0/1 Route metric is 1, traffic share count is 1 R3(config-if)#do sh ip route 172.22.44.4 Routing entry for 172.22.44.4/32 Known via "rip", distance 120, metric 1 Redistributing via rip Last update from 172.22.34.4 on FastEthernet0/1, 00:00:00 ago Routing Descriptor Blocks: * 172.22.34.4, from 172.22.34.4, 00:00:00 ago, via FastEthernet0/1 Route metric is 1, traffic share count is 1 R3(config-if)#do sh ip route 172.22.44.4 Routing entry for 172.22.44.4/32 Known via "rip", distance 120, metric 1 Redistributing via rip Last update from 172.22.34.4 on FastEthernet0/1, 00:00:02 ago Routing Descriptor Blocks: * 172.22.34.4, from 172.22.34.4, 00:00:02 ago, via FastEthernet0/1 Route metric is 1, traffic share count is 1 R3(config-if)#do sh ip route 172.22.44.4 Routing entry for 172.22.44.4/32 Known via "rip", distance 120, metric 1 Redistributing via rip Last update from 172.22.34.4 on FastEthernet0/1, 00:00:05 ago Routing Descriptor Blocks: * 172.22.34.4, from 172.22.34.4, 00:00:05 ago, via FastEthernet0/1 Route metric is 1, traffic share count is 1 R3(config-if)#do sh ip route 172.22.44.4 Routing entry for 172.22.44.4/32 Known via "rip", distance 120, metric 1 Redistributing via rip Last update from 172.22.34.4 on FastEthernet0/1, 00:00:06 ago Routing Descriptor Blocks: * 172.22.34.4, from 172.22.34.4, 00:00:06 ago, via FastEthernet0/1 Route metric is 1, traffic share count is 1 R3(config-if)#do sh ip sofp      ospf int Tunnel0 is up, line protocol is up Internet Address 172.22.43.3/29, Area 2 Process ID 1, Router ID 3.3.3.3, Network Type POINT_TO_POINT, Cost: 11111 Enabled by interface config, including secondary ip addresses 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 Supports Link-local Signaling (LLS) Index 1/2, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 1 Last flood scan time is 0 msec, maximum is 0 msec Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 4.4.4.4 Suppress hello for 0 neighbor(s) FastEthernet0/0 is up, line protocol is up Internet Address 172.22.3.3/24, Area 3 Process ID 1, Router ID 3.3.3.3, Network Type BROADCAST, Cost: 1 Transmit Delay is 1 sec, State DR, Priority 1 Designated Router (ID) 3.3.3.3, Interface address 172.22.3.3 No backup designated router on this network Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 --More--   R3(config-if)#do sh ip ospf introute 172.22.44.4ospf nei  Neighbor ID Pri State Dead Time Address Interface 4.4.4.4 0 FULL/ - 00:00:31 172.22.43.4 Tunnel0 R3(config-if)#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 172.22.0.0/16 is variably subnetted, 15 subnets, 5 masks C 172.22.43.0/29 is directly connected, Tunnel0 R 172.22.44.4/32 [120/1] via 172.22.34.4, 00:00:21, FastEthernet0/1 O 172.22.45.0/24 [110/11175] via 172.22.43.4, 00:01:27, Tunnel0 C 172.22.34.0/24 is directly connected, FastEthernet0/1 C 172.22.33.3/32 is directly connected, Loopback120 C 172.22.36.0/24 is directly connected, Serial0/1/0 O IA 172.22.2.0/27 [110/11176] via 172.22.43.4, 00:01:27, Tunnel0 C 172.22.3.0/24 is directly connected, FastEthernet0/0 O IA 172.22.0.0/26 [110/11176] via 172.22.43.4, 00:01:28, Tunnel0 R 172.22.0.0/24 [120/1] via 172.22.34.4, 00:00:22, FastEthernet0/1 O IA 172.22.124.0/27 [110/11175] via 172.22.43.4, 00:01:28, Tunnel0 C 172.22.83.0/24 is directly connected, Loopback0 --More--  O IA 172.22.82.1/32 [110/11176] via 172.22.43.4, 00:01:30, Tunnel0 R 172.22.81.0/24 [120/2] via 172.22.34.4, 00:00:25, FastEthernet0/1 R 172.22.84.0/24 [120/1] via 172.22.34.4, 00:00:25, FastEthernet0/1 R3(config-if)# RACK98AS>2 [Resuming connection 2 to r2 ... ] R2(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 172.22.0.0/16 is variably subnetted, 8 subnets, 4 masks O IA 172.22.43.0/29 [110/11175] via 172.22.124.4, 00:03:09, Serial0/0 O IA 172.22.45.0/24 [110/128] via 172.22.124.4, 00:13:10, Serial0/0 C 172.22.26.0/24 is directly connected, Serial0/2 O IA 172.22.2.0/27 [110/129] via 172.22.124.4, 00:13:10, Serial0/0 O 172.22.0.0/26 [110/65] via 172.22.124.1, 00:13:10, Serial0/0 C 172.22.5.0/24 is directly connected, FastEthernet0/0 C 172.22.124.0/27 is directly connected, Serial0/0 C 172.22.82.0/26 is directly connected, Loopback0 R2(config-router)# RACK98AS>3 [Resuming connection 3 to r3 ... ] R3(config-if)#router ospf 1 R3(config-router)#area 2 vir R3(config-router)#area 2 virtual-link 4.4.4.4 R3(config-router)# RACK98AS>4 [Resuming connection 4 to r4 ... ] *Mar 19 00:5 *Mar 19 00:55:49.073: %OSPF-4-ERRRCV: Received invalid packet: mismatch area ID, from backbone area must be virtual-link but not found from 172.22.43.3, Tunnel0 R4(config-if)# R4(config-if)# *Mar 19 00:55:59.073: %OSPF-4-ERRRCV: Received invalid packet: mismatch area ID, from backbone area must be virtual-link but not found from 172.22.43.3, Tunnel0 R4(config-if)# *Mar 19 00:56:09.073: %OSPF-4-ERRRCV: Received invalid packet: mismatch area ID, from backbone area must be virtual-link but not found from 172.22.43.3, Tunnel0 R4(config-if)# *Mar 19 00:56:19.073: %OSPF-4-ERRRCV: Received invalid packet: mismatch area ID, from backbone area must be virtual-link but not found from 172.22.43.3, Tunnel0 R4(config-if)# *Mar 19 00:56:29.073: %OSPF-4-ERRRCV: Received invalid packet: mismatch area ID, from backbone area must be virtual-link but not found from 172.22.43.3, Tunnel0 R4(config-if)#rop uter osp *Mar 19 00:56:39.073: %OSPF-4-ERRRCV: Received invalid packet: mismatch area ID, from backbone area must be virtual-link but not found from 172.22.43.3, Tunnel0 R4(config-if)#router ospf 1 R4(config-router)#area 2 vir 3.3.3.3 R4(config-router)# *Mar 19 00:56:45.093: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on OSPF_VL1 from LOADING to FULL, Loading Done R4(config-router)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 3.3.3.3 0 FULL/ - - 172.22.43.3 OSPF_VL1 5.5.5.5 0 FULL/ - - 172.22.45.5 OSPF_VL0 1.1.1.1 1 FULL/DR 00:01:51 172.22.124.1 Serial0/0/0 3.3.3.3 0 FULL/ - 00:00:35 172.22.43.3 Tunnel0 5.5.5.5 0 FULL/ - 00:00:37 172.22.45.5 Serial0/1/0 R4(config-router)# RACK98AS>2 [Resuming connection 2 to r2 ... ] R2(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 172.22.0.0/16 is variably subnetted, 9 subnets, 4 masks O IA 172.22.43.0/29 [110/11175] via 172.22.124.4, 00:00:19, Serial0/0 O IA 172.22.45.0/24 [110/128] via 172.22.124.4, 00:00:19, Serial0/0 C 172.22.26.0/24 is directly connected, Serial0/2 O IA 172.22.2.0/27 [110/129] via 172.22.124.4, 00:00:19, Serial0/0 O IA 172.22.3.0/24 [110/11176] via 172.22.124.4, 00:00:19, Serial0/0 O 172.22.0.0/26 [110/65] via 172.22.124.1, 00:00:19, Serial0/0 C 172.22.5.0/24 is directly connected, FastEthernet0/0 C 172.22.124.0/27 is directly connected, Serial0/0 C 172.22.82.0/26 is directly connected, Loopback0 R2(config-router)# RACK98AS>1 [Resuming connection 1 to r1 ... ] R1(config-router)#net 18 72.22.81.1 0.0.0.0 srtes     area 0 R1(config-router)# RACK98AS>5 [Resuming connection 5 to r5 ... ] R5(config-router)#net 172.22.85.1 0.0.0.0 area 2 R5(config-router)# RACK98AS>3 [Resuming connection 3 to r3 ... ] *Mar 19 01:00 R3(config-router)#net 18 72.22.83.1 0.0.0.0 area 3 R3(config-router)# RACK98AS>4 [Resuming connection 4 to r4 ... ] R4(config-router)#net 172.22.84.1 0.0.0.0 area 2 R4(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 172.22.0.0/16 is variably subnetted, 17 subnets, 5 masks C 172.22.43.0/29 is directly connected, Tunnel0 C 172.22.44.4/32 is directly connected, Loopback120 C 172.22.45.0/24 is directly connected, Serial0/1/0 C 172.22.34.0/24 is directly connected, FastEthernet0/1 R 172.22.33.3/32 [120/1] via 172.22.34.3, 00:00:17, FastEthernet0/1 R 172.22.36.0/24 [120/1] via 172.22.34.3, 00:00:17, FastEthernet0/1 O IA 172.22.2.0/27 [110/65] via 172.22.45.5, 00:00:03, Serial0/1/0 O IA 172.22.3.0/24 [110/11112] via 172.22.43.3, 00:00:04, Tunnel0 C 172.22.0.0/26 is directly connected, FastEthernet0/0 C 172.22.124.0/27 is directly connected, Serial0/0/0 O IA 172.22.83.1/32 [110/11112] via 172.22.43.3, 00:00:04, Tunnel0 R 172.22.83.0/24 [120/1] via 172.22.34.3, 00:00:18, FastEthernet0/1 --More--  O 172.22.82.1/32 [110/65] via 172.22.124.2, 00:00:18, Serial0/0/0 O 172.22.81.1/32 [110/65] via 172.22.124.1, 00:00:18, Serial0/0/0 R 172.22.81.0/24 [120/1] via 172.22.0.1, 00:00:10, FastEthernet0/0 O 172.22.85.1/32 [110/65] via 172.22.45.5, 00:00:18, Serial0/1/0 C 172.22.84.0/24 is directly connected, Loopback0 R4(config-router)# RACK98AS>1 [Resuming connection 1 to r1 ... ] R1(config-router)#ui  int lo 0 R1(config-if)#ip ospf n R1(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 R1(config-if)#ip ospf network                 do sh ip int ~     ospf oin   int lo 0 Loopback0 is up, line protocol is up Internet Address 172.22.81.1/24, Area 0 Process ID 1, Router ID 1.1.1.1, Network Type LOOPBACK, Cost: 1 Loopback interface is treated as a stub Host R1(config-if)#ip ospf net bro R1(config-if)#ip ospf net broadcast OSPF: Invalid type for interface R1(config-if)#ip ospf net broadcast           no R1(config-if)#ip ospf net non-broadcast OSPF: Invalid type for interface R1(config-if)#ip ospf net non-broadcast               po R1(config-if)#ip ospf net point-to-, R1(config-if)#ip ospf net point-to-, m R1(config-if)#ip ospf net point-to-multipoint OSPF: Invalid type for interface R1(config-if)#ip ospf net point-to-multipoint            p R1(config-if)#ip ospf net point-to-point R1(config-if)# RACK98AS>4 [Resuming connection 4 to r4 ... ] R4(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 172.22.0.0/16 is variably subnetted, 16 subnets, 5 masks C 172.22.43.0/29 is directly connected, Tunnel0 C 172.22.44.4/32 is directly connected, Loopback120 C 172.22.45.0/24 is directly connected, Serial0/1/0 C 172.22.34.0/24 is directly connected, FastEthernet0/1 R 172.22.33.3/32 [120/1] via 172.22.34.3, 00:00:00, FastEthernet0/1 R 172.22.36.0/24 [120/1] via 172.22.34.3, 00:00:00, FastEthernet0/1 O IA 172.22.2.0/27 [110/65] via 172.22.45.5, 00:00:04, Serial0/1/0 O IA 172.22.3.0/24 [110/11112] via 172.22.43.3, 00:00:06, Tunnel0 C 172.22.0.0/26 is directly connected, FastEthernet0/0 C 172.22.124.0/27 is directly connected, Serial0/0/0 O IA 172.22.83.1/32 [110/11112] via 172.22.43.3, 00:00:06, Tunnel0 R 172.22.83.0/24 [120/1] via 172.22.34.3, 00:00:01, FastEthernet0/1 --More--  O 172.22.82.1/32 [110/65] via 172.22.124.2, 00:00:06, Serial0/0/0 O 172.22.81.0/24 [110/65] via 172.22.124.1, 00:00:06, Serial0/0/0 O 172.22.85.1/32 [110/65] via 172.22.45.5, 00:02:32, Serial0/1/0 C 172.22.84.0/24 is directly connected, Loopback0 R4(config-router)#area 2 auth R4(config-router)#area 2 authentication ? message-digest Use message-digest authentication R4(config-router)#area 2 authentication m R4(config-router)#area 2 authentication message-digest R4(config-router)#int tun 0 R4(config-if)#ip op spd         do sh ip osopf   pf int OSPF_VL1 is up, line protocol is up Internet Address 172.22.43.4/29, Area 0 Process ID 1, Router ID 4.4.4.4, Network Type VIRTUAL_LINK, Cost: 11111 Configured as demand circuit. Run as demand circuit. DoNotAge LSA allowed. Transmit Delay is 1 sec, State POINT_TO_POINT, Timer intervals configured, Hello 10, Dead 40, Wait 40, Retransmit 5 oob-resync timeout 40 Hello due in 00:00:05 Supports Link-local Signaling (LLS) Index 3/5, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 1 Last flood scan time is 0 msec, maximum is 0 msec Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 3.3.3.3 (Hello suppressed) Suppress hello for 1 neighbor(s) OSPF_VL0 is up, line protocol is up Internet Address 172.22.45.4/24, Area 0 Process ID 1, Router ID 4.4.4.4, Network Type VIRTUAL_LINK, Cost: 64 Configured as demand circuit. Run as demand circuit. --More--   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 00:00:01 Supports Link-local Signaling (LLS) Index 2/3, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 3 Last flood scan time is 0 msec, maximum is 0 msec Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 5.5.5.5 (Hello suppressed) Suppress hello for 1 neighbor(s) Serial0/0/0 is up, line protocol is up Internet Address 172.22.124.4/27, Area 0 Process ID 1, Router ID 4.4.4.4, Network Type NON_BROADCAST, Cost: 64 Transmit Delay is 1 sec, State DROTHER, Priority 0 Designated Router (ID) 1.1.1.1, Interface address 172.22.124.1 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 00:00:26 Supports Link-local Signaling (LLS) --More--   Index 1/1, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 3 Last flood scan time is 0 msec, maximum is 4 msec Neighbor Count is 1, Adjacent neighbor count is 1 Adjacent with neighbor 1.1.1.1 (Designated Router) Suppress hello for 0 neighbor(s) Loopback0 is up, line protocol is up Internet Address 172.22.84.1/24, Area 2 Process ID 1, Router ID 4.4.4.4, Network Type LOOPBACK, Cost: 1 Loopback interface is treated as a stub Host Tunnel0 is up, line protocol is up Internet Address 172.22.43.4/29, Area 2 Process ID 1, Router ID 4.4.4.4, Network Type POINT_TO_POINT, Cost: 11111 Enabled by interface config, including secondary ip addresses 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 Supports Link-local Signaling (LLS) Index 2/4, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 1 --More-- *Mar 19 01:05:14.497: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on Tunnel0 from FULL to DOWN, Neighbor Down: Dead timer expired --More-- *Mar 19 01:05:16.193: %OSPF-5-ADJCHG: Process 1, Nbr 5.5.5.5 on Serial0/1/0 from FULL to DOWN, Neighbor Down: Dead timer expired --More--   R4(config-if)#do sh ip ospf int *Mar 19 01:05:19.997: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on OSPF_VL1 from FULL to DOWN, Neighbor Down: Interface down or detached *Mar 19 01:05:19.997: %OSPF-5-ADJCHG: Process 1, Nbr 5.5.5.5 on OSPF_VL0 from FULL to DOWN, Neighbor Down: Interface down or detached R4(config-if)#do sh ip ospf int tu 0 Tunnel0 is up, line protocol is up Internet Address 172.22.43.4/29, Area 2 Process ID 1, Router ID 4.4.4.4, Network Type POINT_TO_POINT, Cost: 11111 Enabled by interface config, including secondary ip addresses 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 00:00:04 Supports Link-local Signaling (LLS) Index 2/4, flood queue length 0 Next 0x0(0)/0x0(0) Last flood scan length is 1, maximum is 1 Last flood scan time is 0 msec, maximum is 0 msec Neighbor Count is 0, Adjacent neighbor count is 0 Suppress hello for 0 neighbor(s) Message digest authentication enabled No key configured, using default key id 0 R4(config-if)#ip ospf ? <1-65535> Process ID 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 lls Link-local Signaling (LLS) support 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 R4(config-if)#ip ospf m R4(config-if)#ip ospf me R4(config-if)#ip ospf message-digest-key ? <1-255> Key ID R4(config-if)#ip ospf message-digest-key 1 ? md5 Use MD5 algorithm R4(config-if)#ip ospf message-digest-key 1 m R4(config-if)#ip ospf message-digest-key 1 md5 ? <0-7> Encryption type (0 for not yet encrypted, 7 for proprietary) WORD The OSPF password (key) (maximum 16 characters) R4(config-if)#ip ospf message-digest-key 1 md5 CISCO R4(config-if)#int s 0/1/0 R4(config-if)#int s 0/1/0p ospf message-digest-key 1 md5 CISCOdo sh ip ospf int tu 0 ip ospf message-digest-key 1 md5 CISCO R4(config-if)# RACK98AS>5 [Resuming connection 5 to r5 ... ] *Mar 8 01:00 R5(config-router)#area 2 auth R5(config-router)#area 2 authentication m R5(config-router)#area 2 authentication message-digest R5(config-router)#int s 1/2 R5(config-if)#ip ospf mes R5(config-if)#ip ospf message-digest-key 1 m R5(config-if)#ip ospf message-digest-key 1 md5 CISCO R5(config-if)# RACK98AS>3 [Resuming connection 3 to r3 ... ] *Mar 19 01: R3(config-router)#area 2 me         do sh ip osp           o deb ip ospf adj OSPF adjacency events debugging is on R3(config-router)# *Mar 19 01:10:28.621: OSPF: Rcv pkt from 172.22.43.4, Tunnel0 : Mismatch Authentication type. Input packet specified type 2, we use type 0 R3(config-router)#do u all All possible debugging has been turned off R3(config-router)#area 2 auth R3(config-router)#area 2 authentication m R3(config-router)#area 2 authentication message-digest R3(config-router)#int tu 0 R3(config-if)#ip ospf mes R3(config-if)#ip ospf message-digest-key 1 m R3(config-if)#ip ospf message-digest-key 1 md5 CISCO R3(config-if)# *Mar 19 01:11:24.941: %OSPF-5-ADJCHG: Process 1, Nbr 4.4.4.4 on Tunnel0 from LOADING to FULL, Loading Done R3(config-if)# RACK98AS>4 [Resuming connection 4 to r4 ... ] *Mar 19 01:0 R4(config-if)#do sh ip ospf nei Neighbor ID Pri State Dead Time Address Interface 5.5.5.5 0 FULL/ - - 172.22.45.5 OSPF_VL0 1.1.1.1 1 FULL/DR 00:01:43 172.22.124.1 Serial0/0/0 3.3.3.3 0 FULL/ - 00:00:38 172.22.43.3 Tunnel0 5.5.5.5 0 FULL/ - 00:00:38 172.22.45.5 Serial0/1/0 R4(config-if)# *Mar 19 01:08:09.521: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on OSPF_VL1 from LOADING to FULL, Loading Done R4(config-if)#int s 0/0/0 R4(config-if)#ip ospf auth R4(config-if)#ip ospf authentication- R4(config-if)#ip ospf authentication-key ? <0-7> Encryption type (0 for not yet encrypted, 7 for proprietary) WORD The OSPF password (key) (maximum 8 characters) R4(config-if)#ip ospf authentication-key CISCO R4(config-if)#ip ospf auth R4(config-if)#ip ospf authentication ? message-digest Use message-digest authentication null Use no authentication R4(config-if)#ip ospf authentication R4(config-if)# RACK98AS>1 [Resuming connection 1 to r1 ... ] R1(config-if)#int s 0/0 R1(config-if)#ip ospf auth R1(config-if)#ip ospf authentication R1(config-if)#ip ospf authentication- R1(config-if)#ip ospf authentication-key CISCO R1(config-if)# RACK98AS>2 [Resuming connection 2 to r2 ... ] R2(config-router)#int s 0/0 R2(config-if)#ip ospf auth R2(config-if)#ip ospf authentication R2(config-if)#~ip ospf authentication- R2(config-if)#ip ospf authentication-key CISCO R2(config-if)# RACK98AS>4 [Resuming connection 4 to r4 ... ] R4(config-if)#do sh ip s pos   ospf oi  int s 0/0/0 Serial0/0/0 is up, line protocol is up Internet Address 172.22.124.4/27, Area 0 Process ID 1, Router ID 4.4.4.4, Network Type NON_BROADCAST, Cost: 64 Transmit Delay is 1 sec, State DROTHER, Priority 0 Designated Router (ID) 1.1.1.1, Interface address 172.22.124.1 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 00:00:09 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 3 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 (Designated Router) Suppress hello for 0 neighbor(s) Simple password authentication enabled R4(config-if)#do deb ip ospf ev OSPF events debugging is on R4(config-if)# *Mar 19 01:09:48.189: OSPF: Send with youngest Key 1 *Mar 19 01:09:48.189: OSPF: Send hello to 224.0.0.5 area 2 on Tunnel0 from 172.22.43.4 R4(config-if)#do deb ip ospf ev *Mar 19 01:09:49.773: OSPF: Send with youngest Key 1 *Mar 19 01:09:49.773: OSPF: Send hello to 224.0.0.5 area 2 on Serial0/1/0 from 172.22.45.4 R4(config-if)#do deb ip ospf ev  *Mar 19 01:09:54.497: OSPF: Rcv hello from 3.3.3.3 area 2 from Tunnel0 172.22.43.3 *Mar 19 01:09:54.497: OSPF: End of hello processing R4(config-if)# *Mar 19 01:09:56.209: OSPF: Rcv hello from 5.5.5.5 area 2 from Serial0/1/0 172.22.45.5 *Mar 19 01:09:56.209: OSPF: End of hello processing R4(config-if)# *Mar 19 01:09:58.189: OSPF: Send with youngest Key 1 *Mar 19 01:09:58.189: OSPF: Send hello to 224.0.0.5 area 2 on Tunnel0 from 172.22.43.4 R4(config-if)# *Mar 19 01:09:59.773: OSPF: Send with youngest Key 1 *Mar 19 01:09:59.773: OSPF: Send hello to 224.0.0.5 area 2 on Serial0/1/0 from 172.22.45.4 R4(config-if)# *Mar 19 01:10:04.497: OSPF: Rcv hello from 3.3.3.3 area 2 from Tunnel0 172.22.43.3 *Mar 19 01:10:04.497: OSPF: End of hello processing R4(config-if)# *Mar 19 01:10:06.209: OSPF: Rcv hello from 5.5.5.5 area 2 from Serial0/1/0 172.22.45.5 *Mar 19 01:10:06.209: OSPF: End of hello processing R4(config-if)#do u all All possible debugging has been turned off R4(config-if)#\ *Mar 19 01:10:08.189: OSPF: Send with youngest Key 1 *Mar 19 01:10:08.189: OSPF: Send hello to 224.0.0.5 area 2 on Tunnel0 from 172.22.43.4 R4(config-if)#\ ~ ~ do u alldeb ip ospf ev  pa R4(config-if)#do deb ip ospf pa OSPF packet debugging is on R4(config-if)# *Mar 19 01:10:16.209: OSPF: rcv. v:2 t:1 l:48 rid:5.5.5.5 aid:0.0.0.2 chk:0 aut:2 keyid:1 seq:0x3C880E0B from Serial0/1/0 R4(config-if)# *Mar 19 01:10:24.493: OSPF: rcv. v:2 t:1 l:48 rid:3.3.3.3 aid:0.0.0.2 chk:0 aut:2 keyid:1 seq:0x47E068B8 from Tunnel0 R4(config-if)# *Mar 19 01:10:26.209: OSPF: rcv. v:2 t:1 l:48 rid:5.5.5.5 aid:0.0.0.2 chk:0 aut:2 keyid:1 seq:0x3C880E14 from Serial0/1/0 R4(config-if)# *Mar 19 01:10:34.493: OSPF: rcv. v:2 t:1 l:48 rid:3.3.3.3 aid:0.0.0.2 chk:0 aut:2 keyid:1 seq:0x47E068C1 from Tunnel0 R4(config-if)# *Mar 19 01:10:36.213: OSPF: rcv. v:2 t:1 l:48 rid:5.5.5.5 aid:0.0.0.2 chk:0 aut:2 keyid:1 seq:0x3C880E1E from Serial0/1/0 R4(config-if)# *Mar 19 01:10:44.493: OSPF: rcv. v:2 t:1 l:48 rid:3.3.3.3 aid:0.0.0.2 chk:0 aut:2 keyid:1 seq:0x47E068CB from Tunnel0 *Mar 19 01:10:44.801: OSPF: rcv. v:2 t:1 l:52 rid:1.1.1.1 aid:0.0.0.0 chk:B52B aut:1 auk: from Serial0/0/0 R4(config-if)# *Mar 19 01:10:46.213: OSPF: rcv. v:2 t:1 l:48 rid:5.5.5.5 aid:0.0.0.2 chk:0 aut:2 keyid:1 seq:0x3C880E28 from Serial0/1/0 R4(config-if)#do u all All possible debugging has been turned off R4(config-if)# *Mar 19 01:10:54.493: OSPF: rcv. v:2 t:1 l:48 rid:3.3.3.3 aid:0.0.0.2 chk:0 aut:2 keyid:1 seq:0x47E068D5 from Tunnel0 R4(config-if)#router ospf 1 R4(config-router)#area 2 vir R4(config-router)#area 2 virtual-link 5.5.5.5 ? 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 R4(config-router)#area 2 virtual-link 5.5.5.5 auth R4(config-router)#area 2 virtual-link 5.5.5.5 authentication ? authentication Set authentication type authentication-key Set authentication key dead-interval Dead router detection time hello-interval Hello packet interval message-digest Message-digest authentication message-digest-key Set message digest key null No authentication retransmit-interval LSA retransmit interval transmit-delay LSA transmission delay R4(config-router)#area 2 virtual-link 5.5.5.5 authentication m R4(config-router)#area 2 virtual-link 5.5.5.5 authentication message-digest ? 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 R4(config-router)#area 2 virtual-link 5.5.5.5 authentication message-digest m$ual-link 5.5.5.5 authentication message-digest me  R4(config-router)#$.5.5.5 authentication message-digest message-digest-key ? <1-255> Key ID R4(config-router)#$.5.5.5 authentication message-digest message-digest-key 1 ? md5 Use MD5 algorithm R4(config-router)#$.5.5.5 authentication message-digest message-digest-key 1 hentication message-digest message-digest-key 1 m  R4(config-router)#$hentication message-digest message-digest-key 1 md5 CISCOrouter ospf 1 $hentication message-digest message-digest-key 1 md5 CISCO                                                         .5.5.5 au         ual-link          area 2 vir          router        red R4(config-router)#redistribute rip ? metric Metric for redistributed routes metric-type OSPF/IS-IS exterior metric type for redistributed routes route-map Route map reference subnets Consider subnets for redistribution into OSPF tag Set tag for routes redistributed into OSPF R4(config-router)#redistribute rip su R4(config-router)#redistribute rip subnets tag ? <0-4294967295> 32-bit tag value R4(config-router)#redistribute rip subnets tag 4 R4(config-router)#router os    rip R4(config-router)#red ospf 1 ? match Redistribution of OSPF routes metric Metric for redistributed routes route-map Route map reference vrf VPN Routing/Forwarding Instance R4(config-router)#red ospf 1 met R4(config-router)#red ospf 1 metric *Mar 19 01:18:32.985: %LINEPROTO-5-UPDOWN: Line protocol on Interface Tunnel0, changed state to down *Mar 19 01:18:32.985: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on Tunnel0 from FULL to DOWN, Neighbor Down: Interface down or detached R4(config-router)#red ospf 1 metric *Mar 19 01:18:38.485: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on OSPF_VL1 from FULL to DOWN, Neighbor Down: Interface down or detached R4(config-router)#red ospf 1 metric *Mar 19 01:18:42.985: %LINEPROTO-5-UPDOWN: Line protocol on Interface Tunnel0, changed state to up R4(config-router)#red ospf 1 metric 4 *Mar 19 01:19:14.509: %OSPF-5-ADJCHG: Process 1, Nbr 3.3.3.3 on Tunnel0 from LOADING to FULL, Loading Done R4(config-router)#red ospf 1 metric 4 R4(config-router)#red ospf 1 metric 4 ? match Redistribution of OSPF routes route-map Route map reference R4(config-router)#red ospf 1 metric 4 R4(config-router)# RACK98AS>1 [Resuming connection 1 to r1 ... ] R1(config-if)#router ospf 1 R1(config-router)#red rip su tag 1 R1(config-router)#router rip R1(config-router)#red ops  spf 1 met 4 R1(config-router)# RACK98AS>3 [Resuming connection 3 to r3 ... ] *Mar 19 01:11: R3(config-if)#routrer o     er ospf 1 R3(config-router)#red rip su tag 3 R3(config-router)#router rip R3(config-router)#red ospf 1 met 4 R3(config-router)# *Mar 19 01:24:04.929: %LINEPROTO-5-UPDOWN: Line protocol on Interface Tunnel0, changed state to up *Mar 19 01:24:04.953: %OSPF-5-ADJCHG: Process 1, Nbr 4.4.4.4 on Tunnel0 from LOADING to FULL, Loading Done R3(config-router)# *Mar 19 01:24:13.929: %TUN-5-RECURDOWN: Tunnel0 temporarily disabled due to recursive routing *Mar 19 01:24:14.929: %LINEPROTO-5-UPDOWN: Line protocol on Interface Tunnel0, changed state to down *Mar 19 01:24:14.929: %OSPF-5-ADJCHG: Process 1, Nbr 4.4.4.4 on Tunnel0 from FULL to DOWN, Neighbor Down: Interface down or detached R3(config-router)# *Mar 19 01:25:24.929: %LINEPROTO-5-UPDOWN: Line protocol on Interface Tunnel0, changed state to up *Mar 19 01:25:24.953: %OSPF-5-ADJCHG: Process 1, Nbr 4.4.4.4 on Tunnel0 from LOADING to FULL, Loading Done R3(config-router)# *Mar 19 01:25:33.929: %TUN-5-RECURDOWN: Tunnel0 temporarily disabled due to recursive routing *Mar 19 01:25:34.929: %LINEPROTO-5-UPDOWN: Line protocol on Interface Tunnel0, changed state to down *Mar 19 01:25:34.929: %OSPF-5-ADJCHG: Process 1, Nbr 4.4.4.4 on Tunnel0 from FULL to DOWN, Neighbor Down: Interface down or detached R3(config-router)# *Mar 19 01:26:44.929: %LINEPROTO-5-UPDOWN: Line protocol on Interface Tunnel0, changed state to up R3(config-router)# *Mar 19 01:26:53.445: %OSPF-5-ADJCHG: Process 1, Nbr 4.4.4.4 on Tunnel0 from LOADING to FULL, Loading Done R3(config-router)# *Mar 19 01:27:03.929: %TUN-5-RECURDOWN: Tunnel0 temporarily disabled due to recursive routing *Mar 19 01:27:04.929: %LINEPROTO-5-UPDOWN: Line protocol on Interface Tunnel0, changed state to down *Mar 19 01:27:04.929: %OSPF-5-ADJCHG: Process 1, Nbr 4.4.4.4 on Tunnel0 from FULL to DOWN, Neighbor Down: Interface down or detached R3(config-router)# *Mar 19 01:28:14.929: %LINEPROTO-5-UPDOWN: Line protocol on Interface Tunnel0, changed state to up *Mar 19 01:28:14.953: %OSPF-5-ADJCHG: Process 1, Nbr 4.4.4.4 on Tunnel0 from LOADING to FULL, Loading Done R3(config-router)# *Mar 19 01:28:23.929: %TUN-5-RECURDOWN: Tunnel0 temporarily disabled due to recursive routing *Mar 19 01:28:24.929: %LINEPROTO-5-UPDOWN: Line protocol on Interface Tunnel0, changed state to down *Mar 19 01:28:24.929: %OSPF-5-ADJCHG: Process 1, Nbr 4.4.4.4 on Tunnel0 from FULL to DOWN, Neighbor Down: Interface down or detached R3(config-router)# *Mar 19 01:29:34.929: %LINEPROTO-5-UPDOWN: Line protocol on Interface Tunnel0, changed state to up R3(config-router)# *Mar 19 01:29:43.445: %OSPF-5-ADJCHG: Process 1, Nbr 4.4.4.4 on Tunnel0 from LOADING to FULL, Loading Done R3(config-router)# *Mar 19 01:29:53.929: %TUN-5-RECURDOWN: Tunnel0 temporarily disabled due to recursive routing *Mar 19 01:29:54.929: %LINEPROTO-5-UPDOWN: Line protocol on Interface Tunnel0, changed state to down *Mar 19 01:29:54.929: %OSPF-5-ADJCHG: Process 1, Nbr 4.4.4.4 on Tunnel0 from FULL to DOWN, Neighbor Down: Interface down or detached R3(config-router)# *Mar 19 01:31:04.929: %LINEPROTO-5-UPDOWN: Line protocol on Interface Tunnel0, changed state to up *Mar 19 01:31:04.953: %OSPF-5-ADJCHG: Process 1, Nbr 4.4.4.4 on Tunnel0 from LOADING to FULL, Loading Done R3(config-router)# *Mar 19 01:31:13.929: %TUN-5-RECURDOWN: Tunnel0 temporarily disabled due to recursive routing *Mar 19 01:31:14.929: %LINEPROTO-5-UPDOWN: Line protocol on Interface Tunnel0, changed state to down *Mar 19 01:31:14.929: %OSPF-5-ADJCHG: Process 1, Nbr 4.4.4.4 on Tunnel0 from FULL to DOWN, Neighbor Down: Interface down or detached R3(config-router)# *Mar 19 01:32:24.929: %LINEPROTO-5-UPDOWN: Line protocol on Interface Tunnel0, changed state to up R3(config-router)# *Mar 19 01:32:33.445: %OSPF-5-ADJCHG: Process 1, Nbr 4.4.4.4 on Tunnel0 from LOADING to FULL, Loading Done R3(config-router)# *Mar 19 01:32:43.929: %TUN-5-RECURDOWN: Tunnel0 temporarily disabled due to recursive routing *Mar 19 01:32:44.929: %LINEPROTO-5-UPDOWN: Line protocol on Interface Tunnel0, changed state to down *Mar 19 01:32:44.929: %OSPF-5-ADJCHG: Process 1, Nbr 4.4.4.4 on Tunnel0 from FULL to DOWN, Neighbor Down: Interface down or detached R3(config-router)# *Mar 19 01:33:54.929: %LINEPROTO-5-UPDOWN: Line protocol on Interface Tunnel0, changed state to up *Mar 19 01:33:54.953: %OSPF-5-ADJCHG: Process 1, Nbr 4.4.4.4 on Tunnel0 from LOADING to FULL, Loading Done R3(config-router)# *Mar 19 01:34:03.929: %TUN-5-RECURDOWN: Tunnel0 temporarily disabled due to recursive routing *Mar 19 01:34:04.929: %LINEPROTO-5-UPDOWN: Line protocol on Interface Tunnel0, changed state to down *Mar 19 01:34:04.929: %OSPF-5-ADJCHG: Process 1, Nbr 4.4.4.4 on Tunnel0 from FULL to DOWN, Neighbor Down: Interface down or detached R3(config-router)#red ospf 1 met 4outer rip ed rip su tag 3outer ospf 1 ip ospf message-digest-key 1 md5 CISCOrouter ospf 1  R3(config-router)#dist R3(config-router)#distA R3(config-router)#distAnce ? <1-255> Administrative distance ospf OSPF distance R3(config-router)#distAnce ospf ? external External type 5 and type 7 routes inter-area Inter-area routes intra-area Intra-area routes R3(config-router)#distAnce ospf ex R3(config-router)#distAnce ospf external ? <1-255> Distance for external type 5 and type 7 routes R3(config-router)#distAnce ospf external 130 R3(config-router)# RACK98AS>4 [Resuming connection 4 to r4 ... ] *Mar 19 01:19 R4(config-router)#dis   router ospf 1 R4(config-router)#dista 0 ospf 130 ex R4(config-router)#dista ospf 130 ex        ex R4(config-router)#dista ospex   R4(config-router)#dista ospf ex R4(config-router)#dista ospf external 130 R4(config-router)# RACK98AS>1 [Resuming connection 1 to r1 ... ] R1(config-router)# R1(config-router)#routre ospf 1 ospf 1  ospf 1 e ospf 1r ospf 1 R1(config-router)#dista ospf ex 2 130 R1(config-router)# RACK98AS>3 [Resuming connection 3 to r3 ... ] *Mar 19 01:3 R3(config-router)#exit R3(config)#ip pr R3(config)#ip prefix-list NoSum den 172.22.0.0/24 R3(config)#ip prefix-list NoSum den 172.22.0.0/24                 per any ^ % Invalid input detected at '^' marker. R3(config)#ip prefix-list NoSum per any   ? A.B.C.D IP prefix /, e.g., 35.0.0.0/8 R3(config)#ip prefix-list NoSum per -1 ^ % Invalid input detected at '^' marker. R3(config)#ip prefix-list NoSum per -1  deny-none ^ % Invalid input detected at '^' marker. R3(config)#ip prefix-list NoSum per deny-none         0.0.0.0/0 le 32 R3(config)#router ospf 1` ^ % Invalid input detected at '^' marker. R3(config)#router ospf 1`  R3(config-router)#do sh run |s    s router router ospf 1 router-id 3.3.3.3 log-adjacency-changes area 2 authentication message-digest area 2 virtual-link 4.4.4.4 redistribute rip subnets tag 3 network 172.22.3.3 0.0.0.0 area 3 network 172.22.83.1 0.0.0.0 area 3 distance ospf external 130 router rip version 2 redistribute ospf 1 metric 4 passive-interface default no passive-interface FastEthernet0/1 network 172.22.0.0 no auto-summary R3(config-router)#distr R3(config-router)#distribute-list p R3(config-router)#distribute-list prefix Nu oSum ? gateway Filtering incoming updates based on gateway in Filter incoming routing updates out Filter outgoing routing updates R3(config-router)#distribute-list prefix NoSum out rip R3(config-router)# RACK98AS>4 [Resuming connection 4 to r4 ... ] *Mar 19 01:33: R4(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 172.22.0.0/16 is variably subnetted, 17 subnets, 5 masks C 172.22.43.0/29 is directly connected, Tunnel0 C 172.22.44.4/32 is directly connected, Loopback120 C 172.22.45.0/24 is directly connected, Serial0/1/0 C 172.22.34.0/24 is directly connected, FastEthernet0/1 R 172.22.33.3/32 [120/1] via 172.22.34.3, 00:00:06, FastEthernet0/1 R 172.22.36.0/24 [120/1] via 172.22.34.3, 00:00:06, FastEthernet0/1 O IA 172.22.2.0/27 [110/65] via 172.22.45.5, 00:00:12, Serial0/1/0 O IA 172.22.3.0/24 [110/11112] via 172.22.43.3, 00:00:13, Tunnel0 C 172.22.0.0/26 is directly connected, FastEthernet0/0 R 172.22.0.0/24 is possibly down, routing via 172.22.34.3, FastEthernet0/1 C 172.22.124.0/27 is directly connected, Serial0/0/0 --More--   R4(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 172.22.0.0/16 is variably subnetted, 17 subnets, 5 masks C 172.22.43.0/29 is directly connected, Tunnel0 C 172.22.44.4/32 is directly connected, Loopback120 C 172.22.45.0/24 is directly connected, Serial0/1/0 C 172.22.34.0/24 is directly connected, FastEthernet0/1 R 172.22.33.3/32 [120/1] via 172.22.34.3, 00:00:12, FastEthernet0/1 R 172.22.36.0/24 [120/1] via 172.22.34.3, 00:00:12, FastEthernet0/1 O IA 172.22.2.0/27 [110/65] via 172.22.45.5, 00:00:18, Serial0/1/0 O IA 172.22.3.0/24 [110/11112] via 172.22.43.3, 00:00:19, Tunnel0 C 172.22.0.0/26 is directly connected, FastEthernet0/0 R 172.22.0.0/24 is possibly down, routing via 172.22.34.3, FastEthernet0/1 C 172.22.124.0/27 is directly connected, Serial0/0/0 --More--  O IA 172.22.83.1/32 [110/11112] via 172.22.43.3, 00:00:19, Tunnel0 R 172.22.83.0/24 [120/1] via 172.22.34.3, 00:00:13, FastEthernet0/1 O 172.22.82.1/32 [110/65] via 172.22.124.2, 00:03:12, Serial0/0/0 O 172.22.81.0/24 [110/65] via 172.22.124.1, 00:03:12, Serial0/0/0 O 172.22.85.1/32 [110/65] via 172.22.45.5, 00:00:19, Serial0/1/0 C 172.22.84.0/24 is directly connected, Loopback0 R4(config-router)#do clea ip rout * R4(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 172.22.0.0/16 is variably subnetted, 16 subnets, 5 masks C 172.22.43.0/29 is directly connected, Tunnel0 C 172.22.44.4/32 is directly connected, Loopback120 C 172.22.45.0/24 is directly connected, Serial0/1/0 C 172.22.34.0/24 is directly connected, FastEthernet0/1 R 172.22.33.3/32 [120/1] via 172.22.34.3, 00:00:02, FastEthernet0/1 R 172.22.36.0/24 [120/1] via 172.22.34.3, 00:00:02, FastEthernet0/1 O IA 172.22.2.0/27 [110/65] via 172.22.45.5, 00:00:02, Serial0/1/0 O IA 172.22.3.0/24 [110/11112] via 172.22.43.3, 00:00:03, Tunnel0 C 172.22.0.0/26 is directly connected, FastEthernet0/0 C 172.22.124.0/27 is directly connected, Serial0/0/0 O IA 172.22.83.1/32 [110/11112] via 172.22.43.3, 00:00:03, Tunnel0 R 172.22.83.0/24 [120/1] via 172.22.34.3, 00:00:03, FastEthernet0/1 --More--  O 172.22.82.1/32 [110/65] via 172.22.124.2, 00:00:03, Serial0/0/0 O 172.22.81.0/24 [110/65] via 172.22.124.1, 00:00:03, Serial0/0/0 O 172.22.85.1/32 [110/65] via 172.22.45.5, 00:00:03, Serial0/1/0 C 172.22.84.0/24 is directly connected, Loopback0 R4(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 172.22.0.0/16 is variably subnetted, 16 subnets, 5 masks C 172.22.43.0/29 is directly connected, Tunnel0 C 172.22.44.4/32 is directly connected, Loopback120 C 172.22.45.0/24 is directly connected, Serial0/1/0 C 172.22.34.0/24 is directly connected, FastEthernet0/1 R 172.22.33.3/32 [120/1] via 172.22.34.3, 00:00:00, FastEthernet0/1 R 172.22.36.0/24 [120/1] via 172.22.34.3, 00:00:00, FastEthernet0/1 O IA 172.22.2.0/27 [110/65] via 172.22.45.5, 00:00:07, Serial0/1/0 O IA 172.22.3.0/24 [110/11112] via 172.22.43.3, 00:00:08, Tunnel0 C 172.22.0.0/26 is directly connected, FastEthernet0/0 C 172.22.124.0/27 is directly connected, Serial0/0/0 O IA 172.22.83.1/32 [110/11112] via 172.22.43.3, 00:00:08, Tunnel0 R 172.22.83.0/24 [120/1] via 172.22.34.3, 00:00:02, FastEthernet0/1 --More--  O 172.22.82.1/32 [110/65] via 172.22.124.2, 00:00:08, Serial0/0/0 O 172.22.81.0/24 [110/65] via 172.22.124.1, 00:00:08, Serial0/0/0 O 172.22.85.1/32 [110/65] via 172.22.45.5, 00:00:08, Serial0/1/0 C 172.22.84.0/24 is directly connected, Loopback0 R4(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 172.22.0.0/16 is variably subnetted, 16 subnets, 5 masks C 172.22.43.0/29 is directly connected, Tunnel0 C 172.22.44.4/32 is directly connected, Loopback120 C 172.22.45.0/24 is directly connected, Serial0/1/0 C 172.22.34.0/24 is directly connected, FastEthernet0/1 R 172.22.33.3/32 [120/1] via 172.22.34.3, 00:00:04, FastEthernet0/1 R 172.22.36.0/24 [120/1] via 172.22.34.3, 00:00:04, FastEthernet0/1 O IA 172.22.2.0/27 [110/65] via 172.22.45.5, 00:00:10, Serial0/1/0 O IA 172.22.3.0/24 [110/11112] via 172.22.43.3, 00:00:11, Tunnel0 C 172.22.0.0/26 is directly connected, FastEthernet0/0 C 172.22.124.0/27 is directly connected, Serial0/0/0 O IA 172.22.83.1/32 [110/11112] via 172.22.43.3, 00:00:11, Tunnel0 R 172.22.83.0/24 [120/1] via 172.22.34.3, 00:00:05, FastEthernet0/1 --More--  O 172.22.82.1/32 [110/65] via 172.22.124.2, 00:00:11, Serial0/0/0 O 172.22.81.0/24 [110/65] via 172.22.124.1, 00:00:11, Serial0/0/0 O 172.22.85.1/32 [110/65] via 172.22.45.5, 00:00:11, Serial0/1/0 C 172.22.84.0/24 is directly connected, Loopback0 R4(config-router)#d do deb        do wr Building configuration... [OK] R4(config-router)#do deb ip routing IP routing debugging is on R4(config-router)#do u all All possible debugging has been turned off R4(config-router)#do sh ip prot Routing Protocol is "rip" Outgoing update filter list for all interfaces is not set Incoming update filter list for all interfaces is not set Sending updates every 30 seconds, next due in 10 seconds Invalid after 180 seconds, hold down 180, flushed after 240 Redistributing: rip, ospf 1 Neighbor(s): 172.22.0.1 Default version control: send version 2, receive version 2 Interface Send Recv Triggered RIP Key-chain FastEthernet0/1 2 2 Loopback0 2 2 Loopback120 2 2 Automatic network summarization is not in effect Address Summarization: 172.22.0.0/24 for FastEthernet0/1 Maximum path: 4 Routing for Networks: 172.22.0.0 Passive Interface(s): FastEthernet0/0 Serial0/0/0 Serial0/1/0 --More--   Passive Interface(s): Tunnel0 Routing Information Sources: Gateway Distance Last Update 172.22.34.3 120 00:00:17 172.22.34.7 120 00:02:40 172.22.0.1 120 00:00:03 172.22.0.7 120 08:06:38 172.22.124.1 120 08:22:08 Distance: (default is 120) Routing Protocol is "ospf 1" Outgoing update filter list for all interfaces is not set Incoming update filter list for all interfaces is not set Router ID 4.4.4.4 It is an area border and autonomous system boundary router Redistributing External Routes from, rip, includes subnets in redistribution Number of areas in this router is 2. 2 normal 0 stub 0 nssa Maximum path: 4 Routing for Networks: 172.22.45.4 0.0.0.0 area 2 172.22.84.1 0.0.0.0 area 2 172.22.124.4 0.0.0.0 area 0 --More--   Routing on Interfaces Configured Explicitly (Area 2): Tunnel0 Reference bandwidth unit is 100 mbps Routing Information Sources: Gateway Distance Last Update 3.3.3.3 110 00:02:45 5.5.5.5 110 00:02:45 2.2.2.2 110 00:02:45 1.1.1.1 110 00:02:45 Distance: (default is 110) R4(config-router)#do sh run | s ospf ip ospf message-digest-key 1 md5 CISCO ip ospf 1 area 2 ip ospf authentication ip ospf authentication-key CISCO ip ospf priority 0 ip ospf message-digest-key 1 md5 CISCO router ospf 1 router-id 4.4.4.4 log-adjacency-changes area 2 authentication message-digest area 2 virtual-link 3.3.3.3 area 2 virtual-link 5.5.5.5 redistribute rip subnets tag 4 network 172.22.45.4 0.0.0.0 area 2 network 172.22.84.1 0.0.0.0 area 2 network 172.22.124.4 0.0.0.0 area 0 distance ospf external 130 redistribute ospf 1 metric 4 R4(config-router)# RACK98AS>1 [Resuming connection 1 to r1 ... ] R1(config-router)#do sh run | s ospf ip ospf network point-to-point ip ospf authentication ip ospf authentication-key CISCO router ospf 1 router-id 1.1.1.1 log-adjacency-changes redistribute rip subnets tag 1 passive-interface FastEthernet0/0 network 172.22.0.1 0.0.0.0 area 0 network 172.22.81.1 0.0.0.0 area 0 network 172.22.124.1 0.0.0.0 area 0 neighbor 172.22.124.2 neighbor 172.22.124.4 distance ospf external 130 redistribute ospf 1 metric 4 R1(config-router)#do sh ip proto Routing Protocol is "rip" Outgoing update filter list for all interfaces is not set Incoming update filter list for all interfaces is not set Sending updates every 30 seconds, next due in 22 seconds Invalid after 180 seconds, hold down 180, flushed after 240 Redistributing: rip, ospf 1 Neighbor(s): 172.22.0.4 Default version control: send version 2, receive version 2 Interface Send Recv Triggered RIP Key-chain Loopback0 2 2 Automatic network summarization is not in effect Maximum path: 4 Routing for Networks: 172.22.0.0 Passive Interface(s): FastEthernet0/0 Serial0/0 Routing Information Sources: Gateway Distance Last Update 172.22.0.7 120 08:08:03 172.22.0.4 120 00:00:20 172.22.124.4 120 08:22:45 --More--   Distance: (default is 120) Routing Protocol is "ospf 1" Outgoing update filter list for all interfaces is not set Incoming update filter list for all interfaces is not set Router ID 1.1.1.1 It is an autonomous system boundary router Redistributing External Routes from, rip, includes subnets in redistribution Number of areas in this router is 1. 1 normal 0 stub 0 nssa Maximum path: 4 Routing for Networks: 172.22.0.1 0.0.0.0 area 0 172.22.81.1 0.0.0.0 area 0 172.22.124.1 0.0.0.0 area 0 Reference bandwidth unit is 100 mbps Passive Interface(s): FastEthernet0/0 Routing Information Sources: Gateway Distance Last Update 3.3.3.3 110 00:06:52 5.5.5.5 110 00:06:54 2.2.2.2 110 00:06:54 --More--   Gateway Distance Last Update 4.4.4.4 110 00:04:11 Distance: (default is 110) 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 172.22.0.0/16 is variably subnetted, 17 subnets, 5 masks O IA 172.22.43.0/29 [110/11175] via 172.22.124.4, 00:07:12, Serial0/0 R 172.22.44.4/32 [120/1] via 172.22.0.4, 00:00:12, FastEthernet0/0 O IA 172.22.45.0/24 [110/128] via 172.22.124.4, 00:07:12, Serial0/0 R 172.22.34.0/24 [120/1] via 172.22.0.4, 00:00:12, FastEthernet0/0 R 172.22.33.3/32 [120/2] via 172.22.0.4, 00:00:12, FastEthernet0/0 R 172.22.36.0/24 [120/2] via 172.22.0.4, 00:00:12, FastEthernet0/0 O IA 172.22.2.0/27 [110/129] via 172.22.124.4, 00:07:13, Serial0/0 O IA 172.22.3.0/24 [110/11176] via 172.22.124.4, 00:07:13, Serial0/0 C 172.22.0.0/26 is directly connected, FastEthernet0/0 C 172.22.124.0/27 is directly connected, Serial0/0 O IA 172.22.83.1/32 [110/11176] via 172.22.124.4, 00:07:13, Serial0/0 R 172.22.83.0/24 [120/2] via 172.22.0.4, 00:00:13, FastEthernet0/0 --More--  O 172.22.82.1/32 [110/65] via 172.22.124.2, 00:07:15, Serial0/0 C 172.22.81.0/24 is directly connected, Loopback0 O IA 172.22.85.1/32 [110/129] via 172.22.124.4, 00:07:15, Serial0/0 R 172.22.84.0/24 [120/1] via 172.22.0.4, 00:00:15, FastEthernet0/0 O IA 172.22.84.1/32 [110/65] via 172.22.124.4, 00:07:15, Serial0/0 R1(config-router)# RACK98AS>2 [Resuming connection 2 to r2 ... ] R2(config-if)# R2(config-if)#router ospf 1 R2(config-router)#red con R2(config-router)#red connected % Only classful networks will be redistributed R2(config-router)# RACK98AS>212 [Resuming connection 2 to r2 ... ] red connected outer ospf 1 ed connected  su R2(config-router)# RACK98AS>1 [Resuming connection 1 to r1 ... ] R1(config-router)# 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 172.22.0.0/16 is variably subnetted, 19 subnets, 5 masks O IA 172.22.43.0/29 [110/11175] via 172.22.124.4, 00:00:09, Serial0/0 R 172.22.44.4/32 [120/1] via 172.22.0.4, 00:00:12, FastEthernet0/0 O IA 172.22.45.0/24 [110/128] via 172.22.124.4, 00:00:09, Serial0/0 R 172.22.34.0/24 [120/1] via 172.22.0.4, 00:00:12, FastEthernet0/0 R 172.22.33.3/32 [120/2] via 172.22.0.4, 00:00:12, FastEthernet0/0 R 172.22.36.0/24 [120/2] via 172.22.0.4, 00:00:12, FastEthernet0/0 O E2 172.22.26.0/24 [130/20] via 172.22.124.4, 00:00:00, Serial0/0 [130/20] via 172.22.124.2, 00:00:00, Serial0/0 O IA 172.22.2.0/27 [110/129] via 172.22.124.4, 00:00:10, Serial0/0 O IA 172.22.3.0/24 [110/11176] via 172.22.124.4, 00:00:10, Serial0/0 C 172.22.0.0/26 is directly connected, FastEthernet0/0 O E2 172.22.5.0/24 [130/20] via 172.22.124.4, 00:00:00, Serial0/0 --More--   R1(config-router)# RACK98AS>8 [Resuming connection 8 to s1 ... ] S1#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 172.22.0.0/16 is variably subnetted, 20 subnets, 5 masks R 172.22.43.0/29 [120/1] via 172.22.34.4, 00:00:21, Vlan34 [120/1] via 172.22.34.3, 00:00:07, Vlan34 R 172.22.44.4/32 [120/1] via 172.22.34.4, 00:00:21, Vlan34 R 172.22.45.0/24 [120/1] via 172.22.34.4, 00:00:21, Vlan34 C 172.22.34.0/24 is directly connected, Vlan34 R 172.22.33.3/32 [120/1] via 172.22.34.3, 00:00:07, Vlan34 R 172.22.36.0/24 [120/1] via 172.22.34.3, 00:00:07, Vlan34 R 172.22.26.0/24 [120/5] via 172.22.34.4, 00:00:22, Vlan34 R 172.22.2.0/27 [120/4] via 172.22.34.4, 00:00:22, Vlan34 [120/4] via 172.22.34.3, 00:00:07, Vlan34 R 172.22.3.0/24 [120/1] via 172.22.34.3, 00:00:07, Vlan34 R 172.22.0.0/26 [120/4] via 172.22.34.3,