[c-nsp] RES: Key-chain and MD5 authentication for IS-IS

[Leonardo Gama Souza]

Great. Helped a lot.

Thanks.
-----Mensagem original-----
De: Oliver Boehmer (oboehmer) [mailto:oboehmer at cisco.com] 
Enviada em: quinta-feira, 24 de janeiro de 2008 04:03
Para: Leonardo Gama Souza; cisco-nsp at puck.nether.net
Assunto: RE: [c-nsp] Key-chain and MD5 authentication for IS-IS

Leonardo Gama Souza <> wrote on Wednesday, January 23, 2008 11:10 PM:

> Hello everybody,
> 
> 
> 
> Do you know whether I have to update the key chain string after an
> IOS upgrade? 
> 
> Let´s fancy from 12.2S to 12.0S...
> 
> I'm only using it for IS-IS instance authentication.
> 
> 
> Have anyone ever run into this situation?

You shouldn't need to update the keys, but I've seen cases where this was required after an upgrade (just re-entering the same key helped). I recall there was a bug somewhere in 12.2S where this was required for all keys (IIRC)..

	oli