Re: [nsp] Cisco vs. Juniper of LSP setup

From: Eric Osborne (eosborne@cisco.com)
Date: Fri Apr 12 2002 - 14:09:39 EDT


On Fri, Apr 12, 2002 at 10:49:49AM -0700, LU wrote:
> Sean,
>
> If I understand this right, not only IOS does not have
> the function of ignoring TE datatbase like the
> "no-cspf" in Juniper, it also can not run RSVP without
> enabling OSPF opaque LSA on a interface. I have not
> tried IS-IS, but I assume it has to have the
> wide-metric enabled in order to run the MPLS-TE,
> right?

There is no command to explicitly enable/disable opaque LSAs in TE.
There are two commands you could be referring to - 'mpls traffic-eng'
under OSPF, or 'mpls traffic-eng' on the interface. Both do more than
just opaque LSAs, tho.

Why do you want to do this? It works fine in some cases, but if you
have a no-cspf path and you try to reserve bandwidth on that LSP, you
can paint yourself into a corner.

There are some legitimate uses of verbatim/no-cspf, but I'm curious to
see what your use is.

eric



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