Re: [nsp] BGP advertisement + route maps

From: George Robbins (grr@shandakor.tharsis.com)
Date: Tue Oct 23 2001 - 09:59:22 EDT


It shows the routes that will be advertised, it does not show the
results of the final output "editing" where prepends and things are
added. This seems pretty lame, perhaps Cisoc should add yet another
option to show more exactly what will be avertised.

                                                George

>From edward_desouza@yahoo.com Tue Oct 23 07:56:45 2001
. Date: Tue, 23 Oct 2001 04:56:44 -0700 (PDT)
. From: "Edward S. Desouza" <edward_desouza@yahoo.com>
. Subject: Re: [nsp] BGP advertisement + route maps
. To: George Robbins <grr@shandakor.tharsis.com>, cisco-nsp@puck.nether.net,
. edward_desouza@yahoo.com
. In-Reply-To: <200110231029.GAA12153@shandakor.tharsis.com>
.
. Even after doing a soft clear, the advertised MED / as
. path prepends / other attributes will not be shown
. with show ip bgp nei x.y.z.w ad
. Rgds,
. Edward
.
. --- George Robbins <grr@shandakor.tharsis.com> wrote:
. > you need to do a soft-clear of the session, just
. > changing the
. > filter doesn't change what's already being
. > advertised...
. >
. > George
. >
. > > Date: Tue, 23 Oct 2001 03:04:25 -0700 (PDT)
. > > From: "Edward S. Desouza"
. > <edward_desouza@yahoo.com>
. > > To: cisco-nsp@puck.nether.net
. > > Subject: [nsp] BGP advertisement + route maps
. > >
. > > Hi,
. > > On a cisco router, when I apply a route-map to
. > a
. > > bgp peer ( ebgp peer ) and on that peer I also
. > have
. > > applied a route-map for outgoing routes, when I
. > give
. > > the command
. > >
. > > show ip bgp neig x.y.z.w advertis
. > >
. > > it gives advertised routes before passing through
. > the
. > > route map.
. > >
. > > I was wondering if there is a command to find out
. > the
. > > routes that are actually being advertised to my
. > > neighbor after passing through the route map.
. > >
. > > For eg.
. > >
. > > I am doing an AS path prepend with a neighbor.
. > > when I give the command show ip bgp nei x.y.z.w ad
. > >
. > > it shows the routes advertised, but not the length
. > of
. > > the AS-path prepended routes, same hold true for
. > MED
. > > etc....
. > >
. > >
. > > Besides logging onto the ebgp peer , is there a
. > way to
. > > find out the routes and attributes being
. > advertised on
. > > the local CISCO router ??
. > >
. > > Rgds,
. > > Edward
. > >
. > >
. > > =====
. > > Edward S. Desouza
. > > 23/24 Manali 5,
. > > Evershine Nagar,
. > > Malad (W),
. > > Bombay 400064.
. > > Tel :9122-8886362
. > >
. > > __________________________________________________
. > > Do You Yahoo!?
. > > Make a great connection at Yahoo! Personals.
. > > http://personals.yahoo.com
. > >
. > >
. >
.
.
. =====
. Edward S. Desouza
. 23/24 Manali 5,
. Evershine Nagar,
. Malad (W),
. Bombay 400064.
. Tel :9122-8886362
.
. __________________________________________________
. Do You Yahoo!?
. Make a great connection at Yahoo! Personals.
. http://personals.yahoo.com
.



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