From: John Humphrey (john.humphrey@txkisd.net)
Date: Sun Jun 29 2003 - 00:00:29 GMT-3
I think it's because you're loopback is in the same major network
(165.4.0.0/16 - class B) as the egress interface (s0/0.1) but has a
different subnet mask (loopback = /24, s0/0.1 = /28). If you were to put
loopback0 into a different major net, or make the subnet mask the same as
s0/0.1, then you should be fine. You can test this out with the
various "debug ip rip" commands. Hope this helps.
jh
> Fiesta
>
> R_1 & R_3 are directly connected via frame relay on their serial
> interfaces. I do not understand why R_1's loopback is not reachable
> from R_3
>
> Please help ---
>
> hostname R_1
>
> interface Loopback0
> ip address 165.4.1.1 255.255.255.0
> !
> interface Ethernet0/0
> ip address 170.4.1.1 255.255.255.0
> ip accounting output-packets
> full-duplex
>
> !
> interface Serial0/0.1 point-to-point
> backup delay 2 10
> backup interface BRI0/0
> ip address 165.4.13.1 255.255.255.240
> ip ospf network point-to-point
> frame-relay interface-dlci 103
>
> !
>
> !
> router rip
> timers basic 20 40 30 30
> network 165.4.0.0
> network 170.4.0.0
>
==========================================================================
==
> ==
>
> hostname R_3
> !
>
> !
> interface Loopback0
> ip address 165.4.3.3 255.255.255.0
> !
> interface FastEthernet0/0
> ip address 170.4.3.1 255.255.255.0
> ip accounting output-packets
> speed 100
> full-duplex
> !
>
> !
> interface Serial0/0.1 point-to-point
> ip address 165.4.13.3 255.255.255.240
> ip ospf network point-to-point
> frame-relay interface-dlci 301
> !
>
>
> !
> router rip
> timers basic 20 40 30 30
> network 165.4.0.0
> !
> ip http server
> ip http secure-server
> ip classless
>
> R_3#sh ip route rip
> R 210.120.14.0/24 [120/2] via 165.4.13.1, 00:00:16, Serial0/0.1 R
> 210.120.12.0/24 [120/2] via 165.4.13.1, 00:00:16, Serial0/0.1 R
> 210.120.10.0/24 [120/2] via 165.4.13.1, 00:00:16, Serial0/0.1 R
> 210.120.16.0/24 [120/2] via 165.4.13.1, 00:00:16, Serial0/0.1 R_3#
>
> [GroupStudy removed an attachment of type image/jpeg which had a name
> of Fiesta Bkgrd.jpg]
>
>
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