From: Michael Popovich (m.popovich@xxxxxxxx)
Date: Fri Jan 04 2002 - 02:06:55 GMT-3
Yes.
The you configure IS-IS on the interfaces that you want to run it on.
Depending on your domain model will define if the router is an L1, L2 or
L1/L2 router.
Michael
----- Original Message -----
From: "CCIE Lab" <labccie@yahoo.com>
To: "Michael Popovich" <m.popovich@home.com>; <ccielab@groupstudy.com>
Sent: Thursday, January 03, 2002 11:02 PM
Subject: Re: CLNS routing
> MP,
> that pretty much made things clearer for me. thanks!
> so are you telling us that whenever I want to enable
> ISIS routing on a router, I've gotta enable clns
> routing first by entering "clns routing"?
>
>
>
> --- Michael Popovich <m.popovich@home.com> wrote:
> > I am not sure I understand your question but as I
> > see how IS-IS is put
> > together the need for CLNS is because of the ISO
> > standard for addressing and
> > PDU's that are used to make adjacencies. These PDU's
> > use the CLNP protocol
> > to talk to peers and are actually called CLNS PDU's.
> > You must enable CLNS in
> > order for IS-IS to form adjecencies and route, even
> > if it is routing TCP/IP
> > only.
> >
> > The idea of multi-area is to allow more that one
> > area address on a router
> > for ease of migration or changes in the interdomain
> > routing design. You can
> > add up to 3 area addresses on Cisco routers that
> > will allow the routers to
> > communicate with other routers in different areas at
> > the same time. When the
> > change is finally made to one area adjacencies are
> > still formed and
> > communication was not lost. You can see this
> > reflected in the LSPID's in the
> > "ISIS database".
> >
> > But I see multi-area as a part of IS-IS not really a
> > difference other than
> > network design so I am a little confused by what you
> > are asking here.
> >
> > MP
> >
> > From: "CCIE Lab" <labccie@yahoo.com>
> > To: <ccielab@groupstudy.com>
> > Sent: Thursday, January 03, 2002 10:16 PM
> > Subject: CLNS routing
> >
> >
> > > I'm confused about the difference between the
> > > Inegrated ISIS routing and the Multi-area ISIS
> > > routing?
> > > and their relations with enabling the CLNS routing
> > on
> > > the router?
> > > Could anyone give some explanations?
> > > TIA
> > >
> > >
> > >
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