From: Peter van Oene (pvo@xxxxxxxxxxxx)
Date: Wed Mar 13 2002 - 11:53:01 GMT-3
I tend to config both for clarity, though you are correct, the router
is-type is global.
At 10:40 PM 3/12/2002 -0500, John Neiberger wrote:
>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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