From: Narbik Kocharians (narbikk@gmail.com)
Date: Tue Jul 04 2006 - 15:29:07 ART
Unbelievable
On 7/4/06, Petr Lapukhov <petr@internetworkexpert.com> wrote:
>
> Forgot to mention,
>
> this feature is particularly useful in case where you have
> shared interface with multiple neighbors. In other cases
> you may stick with basic distribute-list functionality.
>
> HTH
>
> 2006/7/4, Petr Lapukhov <petr@internetworkexpert.com>:
> >
> > Just a quick note here,
> >
> > you may also opt to use "distribute-list with route-map" at R3,
> > to filter inbound routes based on next-hop value (or output interface),
> > directly at "receiving" router.
> >
> >
> http://www.cisco.com/univercd/cc/td/doc/product/software/ios120/120newft/120limit/120s/120s24/routmap.htm
> >
> >
> > filtering with distance won't work here, since external routes all have
> > the same
> > advertising RID (route-source).
> >
> > Everything else should probably use "database-filter" or cost
> manipulation
> > in some
> > way (max-metric falls under that category too), to adjust
> forward-metric.
> >
> > HTH
> >
> > --
> > Petr Lapukhov, CCIE #16379
> > petr@internetworkexpert.com
> >
> > Internetwork Expert, Inc.
> > http://www.InternetworkExpert.com
> > Toll Free: 877-224-8987
> > Outside US: 775-826-4344
> >
> > 2006/7/4, D.H. Williams <draythw@gmail.com>:
> >
> > > Hey fellows,
> > >
> > > All right, was tinkering with OSPF filtering last night, and got a few
> > > questions and what have not I wanted to ask, to see what everyone has
> to
> > > say. Consider the following situation:
> > >
> > > R5 with two point-to-point subinterfaces going to R1 and R2.
> > >
> > > R1 and R2 have hdlc connections up to R3.
> > >
> > > All of the above links are running OSPF; backend of R5 is running
> RIP;
> > > Mutual Redistribution on R5.
> > >
> > > Now, let's say I want the following scenerio, I want R3 to get to all
> > > the
> > > RIP routes (E2) via R1. I tried the distribute-list statement on R2
> > > using
> > > teh route-map, but this just affects the route table, not the ospf
> > > database,
> > > so r2 still advertise the E2 routes up to R3, even though they aren't
> in
> > > his
> > > routing table.
> > >
> > > My question, how can I affect R3 to where it prefers R1, including not
> > > seeing anything advertise from R2 in the routing table? I'd also like
> > > R2 to
> > > route through R3 to get to Rip routes. And i'm looking for a solution
> > > that
> > > doesn't use cost or bandwidth (too easy and obvious, you know).
> > >
> > > Thanks in advance!
> > > D
> > >
> > >
> _______________________________________________________________________
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> >
> >
> >
> >
> >
>
>
> --
> Petr Lapukhov, CCIE #16379
> petr@internetworkexpert.com
>
> Internetwork Expert, Inc.
> http://www.InternetworkExpert.com
> Toll Free: 877-224-8987
> Outside US: 775-826-4344
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html
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