From: Frank (ocsic@web.de)
Date: Fri Sep 01 2006 - 03:01:28 ART
Victor Cappuccio schrieb:
I glad. This did the trick.
But how could this be? Is it documented somewhere? Or maybe i better don't
ask. Thats strange. You never see, what you have typed first. I'm currently
trying to get a deeper understanding, but this really throws me off.
I removed the rip authentication from the interfaces and re-applied it.
And now
it works. I even did not had to reboot.
A really hope there are not many more things like this out there.
But i'm guessing ... :-) Oh come one.
Frank
> 8-) Say Thanks to Brian Dennis (Excellent Instructor BTW) for that hint, I
> learn that from one of this post
>
> Now try to remove the Authentication part and re-apply it, reboot your
> routers, etc...
>
> Victor.-
>
>
>
> -----Mensaje original-----
> De: ocsic@web.de [mailto:ocsic@web.de]
> Enviado el: Viernes, 01 de Septiembre de 2006 01:43 a.m.
> Para: Victor Cappuccio
> CC: 'Cisco certification'
> Asunto: Re: Rip authentication problem
>
> Victor Cappuccio schrieb:
>
> Hi Victor,
>
> this is a great hint to check white space. I did this on my two routers:
>
> R6#s | in CISCO $
> R6#s | in CISCO$
> key-string CISCO
> R6#
>
> R1#s | in CISCO $
> R1#s | in CISCO$
> key-string CISCO
> neighbor 192.10.1.254 password CISCO
> R1#
>
> Which reveals also a neigbor statement, but this is from a bgp
> configurations.
>
> So this was great help, but now tells me, i was right with withspaces.
> There are none. Well i really don't know where to look. I find it also
> strange, that R6 is saying it receives MD5 and R1 is not telling that.
>
> Frank
>
>
>
>> At Router6 you have a space in the password in the key chain
>> Try this
>> Enter configuration commands, one per line. End with CNTL/Z.
>> Rack3Sw2(config)#key chain RIP
>> Rack3Sw2(config-keychain)# key 1
>> Rack3Sw2(config-keychain-key)# key-string CISCO
>> Rack3Sw2(config-keychain-key)#^Z
>> Rack3Sw2#
>> 2d01h: %SYS-5-CONFIG_I: Configured from console by console
>> Rack3Sw2#show run | in CISCO$
>> key-string CISCO
>> Rack3Sw2#show run | in CISCO $
>>
>>
>> Grazie
>> Victor.-
>>
>>
>>
>> -----Mensaje original-----
>> De: nobody@groupstudy.com [mailto:nobody@groupstudy.com] En nombre de
>>
> Frank
>
>> Enviado el: Viernes, 01 de Septiembre de 2006 01:04 a.m.
>> Para: Cisco certification
>> Asunto: Rip authentication problem
>>
>> Hi,
>>
>> i have a strange problem, that's driving me nuts. I configured RIP
>> authentication between
>> two routers. And i have checked the configuration many times, i can see
>> no error on this.
>> Checked whitespace in the passwords. Both routers are restarted also.
>>
>> "debug ip rip" tells me still:
>>
>> R1 (c2600-ik9o3s3-mz.123-10a.bin) says:
>> *Mar 1 00:33:25.651: RIP: ignored v2 packet from 192.10.1.6 (invalid
>> authentication)
>> *Mar 1 00:33:25.651: RIP: ignored v2 packet from 192.10.1.6 (invalid
>> authentication)
>>
>> R6 (c2600-ik9o3s3-mz.123-10a.bin): says:
>> *Mar 1 00:06:27.779: RIP: received packet with MD5 authentication
>> *Mar 1 00:06:27.779: RIP: ignored v2 packet from 192.10.1.1 (invalid
>> authentication)
>> *Mar 1 00:06:27.779: RIP: received packet with MD5 authentication
>> *Mar 1 00:06:27.779: RIP: ignored v2 packet from 192.10.1.1 (invalid
>> authentication)
>>
>>
>> and i can't see routes are installed.
>>
>> Could someone give me a hint, on how to debug this in a better way?
>> Seems line R6 is
>> even not sending md5 authentication. Is it an IOS bug?
>>
>> R1:
>>
>> key chain RIP
>> key 1
>> key-string CISCO
>>
>> interface FastEthernet0/0
>> ip address 192.10.1.1 255.255.255.0
>> ip rip authentication mode md5
>> ip rip authentication key-chain RIP
>>
>> router rip
>> version 2
>> redistribute eigrp 200 metric 1
>> network 192.10.1.0
>> neighbor 192.10.1.254
>> neighbor 192.10.1.6
>> no auto-summary
>>
>> R6:
>>
>> key chain RIP
>> key 1
>> key-string CISCO
>>
>> interface Ethernet0/0
>> ip address 192.10.1.6 255.255.255.0
>> ip rip authentication mode md5
>> ip rip authentication key-chain RIP
>>
>> router rip
>> version 2
>> network 54.0.0.0
>> network 150.1.0.0
>> network 162.1.0.0
>> network 192.10.1.0
>> neighbor 192.10.1.1
>> neighbor 192.10.1.254
>> no auto-summary
>>
>>
>> Thank you,
>>
>> Frank
>>
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