From: CCIE Lab (labccie@xxxxxxxxx)
Date: Fri Jan 04 2002 - 02:02:31 GMT-3
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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