[c-nsp] Finding source of ISIS authentication failure

[John Neiberger]

We've tried pretty much every relevant isis and clns debug and haven't
found one that works. It's pretty strange. I wonder if this is just a quirk
of the code we're running.


On Mon, Jul 1, 2013 at 10:31 AM, Aaron <dudepron at gmail.com> wrote:

> debug isis
> possibly add lsp at the end
>
>
> On Mon, Jul 1, 2013 at 11:41 AM, John Neiberger <jneiberger at gmail.com>wrote:
>
>> This one has me and TAC stumped. Let's say you have a 7600 with multiple
>> devices connected to it running ISIS. One of them has the wrong
>> authentication key, so you see a bunch of this in the logs:
>>
>> %CLNS-4-AUTH_FAIL: ISIS: LSP authentication failed
>>
>> How do you find out what neighbor is causing that? We have not found any
>> show command or debug command, either ISIS or CLNS, that would show us the
>> source of the problem. This is very easy in OSPF, but it's starting to
>> look
>> pretty dang hard to do with ISIS.
>>
>> Does anyone know what ninja commands or procedure I need to find the
>> source
>> of ISIS authentication failures from the router CLI?
>>
>> Thanks,
>> John
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>
>