From: John Neiberger (neiby@xxxxxxxxxx)
Date: Wed Mar 13 2002 - 00:40:24 GMT-3
That's exactly what I thought, but this example from someone
who ought to know kind of confused me. I decided to test it
for myself to make sure and found that, as expected,
setting 'is-type level-1' does in fact turn of level-2 hellos
on the entire router.
Thanks,
John
---- On Wed, 13 Mar 2002, Ahmed Mamoor Amimi (mamoor@ieee.org)
wrote:
> in ur first config the whole box will be of level-1
> and if applied on the interface then only that will
participate in level
> - 1
> .
> second config is not nessorry if ur going for first option.
>
>
> -Mamoor
>
>
> ----- Original Message -----
> From: John Neiberger <neiby@ureach.com>
> To: <ccielab@groupstudy.com>
> Sent: Wednesday, March 13, 2002 8:15 AM
> Subject: ISIS level clarification
>
>
> > I'm looking at an example of ISIS configuration that
confuses
> > me. The requirement is to configure this router so that it
> > only exchanges L1 hellos with its neighbors. In the
solution
> > they have the following, which I thought would suffice:
> >
> > router isis
> > net 49.0001.0001.0001.0001.00
> > is-type level-1
> >
> > Then, the part that confuses me is that they also add 'isis
> > circuit-type level-1' to the interface configs.
> >
> > Why would that be necessary? Doesn't 'is-type level-1'
force
> > this router to be a level one router on all interfaces?
> >
> > Thanks,
> > John
> >
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