[f-nsp] ISIS loopback interface configuration

Vinny Abello vinny at tellurian.com
Mon Apr 21 08:21:31 EDT 2008


> -----Original Message-----
> From: Christian Bering [mailto:CB at nianet.dk]
> Sent: Monday, April 21, 2008 4:55 AM
> To: Vinny Abello
> Cc: foundry-nsp at puck.nether.net
> Subject: RE: [f-nsp] ISIS loopback interface configuration
>
> Hi Vinny et al,
>
> >We've had no problems doing this in our network:
>
> >interface loopback 1
> > ip router isis
> > ip address x.x.x.x/32
> > no ip redirect
> > isis metric 1
>
> That is what I am leaning towards also. On a Cisco, the isis metric of
> a
> "passive-interface" appears to be 0 - I guess I cannot achieve the same
> on a Foundry. Not that it matters much - I would just like for our IS-
> IS
> metrics to be consistant but oh well.
>
> Thanks to you rest of you for your input also.

We also manually set the ISIS metric on loopbacks of our Cisco routers to 1 as well to make it consistent.




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