From: Tshon (tshon@xxxxxxxxxxx)
Date: Wed Mar 06 2002 - 05:00:18 GMT-3
what version of ios are you using...... your router should be confused...
can you show a successful ping?
issues on R2 and R3
O E2 172.16.1.0/24 [110/30] via 172.16.1.1, 00:12:07, Serial1
C 172.16.1.0/30 is directly connected, Serial1
O E2 172.16.4.0/24 [110/30] via 172.16.1.1, 00:19:28, Serial1
Mohamed I. Lubbad wrote:
>I have just copied and pasted your config on my routers and it is working
>fine, here are the routing tables:
>
>R1:
>Gateway of last resort is not set
> 172.16.0.0/16 is variably subnetted, 7 subnets, 2 masks
>R 172.16.20.0/24 [120/2] via 172.16.4.1, 00:00:16, Serial0/0.1
>R 172.16.20.1/32 [120/2] via 172.16.4.1, 00:00:16, Serial0/0.1
>C 172.16.4.0/24 is directly connected, Serial0/0.1
>R 172.16.5.0/24 [120/1] via 172.16.4.1, 00:00:16, Serial0/0.1
>C 172.16.6.0/24 is directly connected, Loopback0
>C 172.16.7.0/24 is directly connected, Loopback1
>R 172.16.1.0/24 [120/2] via 172.16.4.1, 00:00:16, Serial0/0.1
>
>R2:
>Gateway of last resort is not set
> 172.16.0.0/16 is variably subnetted, 9 subnets, 3 masks
>O 172.16.20.0/24 is a summary, 00:16:02, Null0
>C 172.16.20.0/28 is directly connected, Loopback0
>O E2 172.16.4.0/24 [110/30] via 172.16.1.1, 00:19:28, Serial1
>C 172.16.20.16/28 is directly connected, Loopback1
>O E2 172.16.5.0/24 [110/30] via 172.16.1.1, 00:19:28, Serial1
>O E2 172.16.6.0/24 [110/30] via 172.16.1.1, 00:19:28, Serial1
>O E2 172.16.7.0/24 [110/30] via 172.16.1.1, 00:19:28, Serial1
>O E2 172.16.1.0/24 [110/30] via 172.16.1.1, 00:12:07, Serial1
>C 172.16.1.0/30 is directly connected, Serial1
>
>R3:
>Gateway of last resort is not set
> 172.16.0.0/16 is variably subnetted, 9 subnets, 3 masks
>O 172.16.20.0/24 is a summary, 00:16:34, Null0
>C 172.16.20.0/28 is directly connected, Loopback0
>O E2 172.16.4.0/24 [110/30] via 172.16.1.1, 00:20:00, Serial1
>C 172.16.20.16/28 is directly connected, Loopback1
>O E2 172.16.5.0/24 [110/30] via 172.16.1.1, 00:20:00, Serial1
>O E2 172.16.6.0/24 [110/30] via 172.16.1.1, 00:20:00, Serial1
>O E2 172.16.7.0/24 [110/30] via 172.16.1.1, 00:20:00, Serial1
>O E2 172.16.1.0/24 [110/30] via 172.16.1.1, 00:12:39, Serial1
>C 172.16.1.0/30 is directly connected, Serial1
>
>
>
> Mohamed Lubbad
>
>
>----- Original Message -----
>From: "Jeongwoo Park" <Jpark@wams.com>
>To: <ccielab@groupstudy.com>
>Sent: Wednesday, March 06, 2002 05:06
>Subject: It is in the routing table, but Can't ping it
>
>
>>Here is the layout.
>>R1----R2-----R3.
>>On R3 I have the routes 172.16.6.1 and 172.16.7.1,which are R1's loopback
>>interfaces.
>>But I can't ping those interfaces from R3.
>>
>>Here is config.
>>R1#wr t
>>#######
>>Current configuration:
>>!
>>version 10.2
>>service tcp-small-servers
>>
>>hostname R1
>>!
>>enable password wams
>>!
>>ip subnet-zero
>>!
>>interface Loopback0
>>ip address 172.16.6.1 255.255.255.0
>>!
>>interface Loopback1
>>ip address 172.16.7.1 255.255.255.0
>>!
>>interface Ethernet0
>>no ip address
>>shutdown
>>!
>>interface Ethernet1
>>no ip address
>>shutdown
>>!
>>interface Serial0
>>ip address 172.16.4.2 255.255.255.0
>>shutdown
>>!
>>interface Serial1
>>ip address 172.16.4.2 255.255.255.0
>>!
>>router rip
>>network 172.16.0.0
>>!
>>ip host R2 172.16.5.1
>>ip host R3 172.16.20.1
>>ip classless
>>!
>>line con 0
>>line aux 0
>>transport input all
>>line vty 0 4
>>exec-timeout 0 0
>>password wams
>>login
>>telnet transparent
>>line vty 5 15
>>login
>>!
>>end
>>
>>R2#wr t
>>Building configuration...
>>
>>Current configuration : 1081 bytes
>>!
>>version 12.1
>>service timestamps debug uptime
>>service timestamps log uptime
>>no service password-encryption
>>!
>>hostname R2
>>!
>>!
>>!
>>!
>>!
>>!
>>ip subnet-zero
>>ip host R3 172.16.20.1
>>ip host R1 172.16.6.1
>>!
>>!
>>!
>>!
>>interface Loopback0
>> ip address 172.16.5.1 255.255.255.0
>>!
>>interface Ethernet0
>> no ip address
>> shutdown
>>!
>>interface Serial0
>> ip address 172.16.1.1 255.255.255.252
>> no fair-queue
>> clockrate 500000
>>!
>>interface Serial1
>> ip address 172.16.4.1 255.255.255.0
>> clockrate 500000
>>!
>>interface BRI0
>> no ip address
>> shutdown
>> isdn x25 static-tei 0
>>!
>>router ospf 1
>> log-adjacency-changes
>> summary-address 172.16.1.0 255.255.255.0
>> summary-address 172.16.20.0 255.255.255.0
>> redistribute rip metric 30 subnets
>> network 172.16.1.0 0.0.0.3 area 0
>>!
>>router rip
>> redistribute ospf 1
>> passive-interface Serial0
>> network 172.16.0.0
>> default-metric 2
>>!
>>ip classless
>>ip http server
>>!
>>alias exec r sh ip route
>>!
>>line con 0
>> exec-timeout 0 0
>> password wams
>>line aux 0
>>line vty 0 2
>> exec-timeout 0 0
>> privilege level 15
>> password wams
>> login
>>line vty 3 4
>> privilege level 15
>> password wams
>> login
>>!
>>end
>>
>>R3#wr t
>>Building configuration...
>>
>>Current configuration : 915 bytes
>>!
>>version 12.2
>>service timestamps debug uptime
>>service timestamps log uptime
>>no service password-encryption
>>!
>>hostname R3
>>!
>>enable password wams
>>!
>>ip subnet-zero
>>!
>>!
>>no ip domain-lookup
>>ip host R2 172.16.5.1
>>ip host R1 172.16.6.1
>>!
>>!
>>!
>>!
>>interface Loopback0
>> ip address 172.16.20.1 255.255.255.240
>>!
>>interface Loopback1
>> ip address 172.16.20.17 255.255.255.240
>>!
>>interface Ethernet0/0
>> no ip address
>> shutdown
>> half-duplex
>>!
>>interface Serial0/0
>> ip address 172.16.1.2 255.255.255.252
>>!
>>interface Ethernet0/1
>> no ip address
>> shutdown
>> half-duplex
>>!
>>router ospf 1
>> log-adjacency-changes
>> summary-address 172.16.20.0 255.255.255.0
>> redistribute connected subnets
>> network 172.16.1.0 0.0.0.3 area 0
>> network 172.16.20.0 0.0.0.15 area 0
>>!
>>ip classless
>>ip http server
>>!
>>alias exec r sh ip route
>>!
>>line con 0
>>line aux 0
>> transport input all
>>line vty 0 4
>> exec-timeout 0 0
>> password wams
>> login
>>line vty 5 15
>> login
>>!
>>end
>>
>>R3's routing table
>>R3#sh ip rou
>>Codes: C - connected, S - static, I - IGRP, 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, 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
>>
>> 172.16.0.0/16 is variably subnetted, 8 subnets, 3 masks
>>O 172.16.20.0/24 is a summary, 00:35:06, Null0
>>C 172.16.20.0/28 is directly connected, Loopback0
>>O E2 172.16.4.0/24 [110/30] via 172.16.1.1, 00:29:00, Serial0/0
>>C 172.16.20.16/28 is directly connected, Loopback1
>>O E2 172.16.5.0/24 [110/30] via 172.16.1.1, 00:29:00, Serial0/0
>>O E2 172.16.6.0/24 [110/30] via 172.16.1.1, 00:29:00, Serial0/0
>>O E2 172.16.7.0/24 [110/30] via 172.16.1.1, 00:29:00, Serial0/0
>>C 172.16.1.0/30 is directly connected, Serial0/0
>>R3#
>>R3#ping 172.16.6.1
>>
>>Type escape sequence to abort.
>>Sending 5, 100-byte ICMP Echos to 172.16.6.1, timeout is 2 seconds:
>>.....
>>Success rate is 0 percent (0/5)
>>R3#
>>
>>Thanks in adv.
>>
>>JP
This archive was generated by hypermail 2.1.4 : Thu Jun 13 2002 - 10:56:54 GMT-3