RIP Error

Nov 27, 2005 5 Replies

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pm 20 years ago

Hi folks. On my little test lab at home I have the following (I think standard) practice setup:

W2K Prof -> 1900 Switch -> 2501 Router -> 2501 router -> 1900 Switch ->

W2k Server.

When I run "debug IP RIP" I receive the following message:

RIP: ignored v1 update from bad source 192.168.2.254 on Ethernet0

That's the terminal monitor output of router 1 (192.168.0.253) complaining about something on the E0 interface on router 2.

Router 2 has the same message, but from the other side:

RIP: ignored v1 update from bad source 192.168.0.254 on Ethernet0

Any thoughts? My guess would be the Windows machines sending out RIP updates themselves.

Thanks,

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Hansang Bae 20 years ago

If the .253 and .254 are E0 interface addresses, it sounds like you need to partition your 1900's better. The RIP updates are leaking through.

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pm 20 years ago

Hi. Router1 has E0 = 192.168.0.254, S0=192.168.1.253 Router2 has S0 = 192.168.1.254, E0= 192.168.2.254

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Dennis Willson 20 years ago

What do the configs look like?

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Hansang Bae 20 years ago

Which means that R1's RIP updates are being seen by R2 and vice versa.

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Jonathan 20 years ago

Secondary addresses on interfaces.

Add a no verify update source to ignore.

Jonathan

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