From: tom cheung (tkc9789@xxxxxxxxxxx)
Date: Fri Jan 04 2002 - 09:53:50 GMT-3
Dolye's Volume I has a chapter dedicated to ISIS. I'm sure it'll become
clear to you after you have a chance to read it.
>From: "Michael Popovich" <m.popovich@home.com>
>Reply-To: "Michael Popovich" <m.popovich@home.com>
>To: "CCIE Lab" <labccie@yahoo.com>, <ccielab@groupstudy.com>
>Subject: Re: CLNS routing
>Date: Thu, 3 Jan 2002 23:06:55 -0600
>
>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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