From: Aaron Weaver (aaron.weaver77@gmail.com)
Date: Sun May 21 2006 - 23:14:11 ART
Are you talking about 2 different areas? If the ethernet link is a
different area than frame network you may have a different problem.
On 5/21/06, Godswill Oletu <oletu@inbox.lv> wrote:
> Koen,
>
> There are many methods out there that, you can use to achive your stated
> objective. One of them that come to mind is to use the 'distance <ad>
> <source address>' command on R1 to increase the AD of all routes that R3 is
> sending to R1 or use it to reduce the AD of all routes that R2 is sending to
> R1; which ever way you choose, R2 routes will make it into the routing table
> of R1 and R3 routes will be floating around for redundancy.
>
> Another method is to use the distribute-list on R1 and yank out all R3
> routes; well you will also method method your stated objective with this
> method, but will loose redundancy.
>
> You can also do some policy based routing on R1, this will create a routing
> exception on R1 and allow it to forward traffic according to the policy that
> you have setup.
>
> Choose, the method that is most suitable and go for it and there might be
> other methods that I cannot think of now, these 3 or 4 methods are a good
> place to start off.
>
> HTH
> Godswill Oletu
>
> ----- Original Message -----
> From: "Koen Zeilstra" <koen@koenzeilstra.com>
> To: <ccielab@groupstudy.com>
> Sent: Sunday, May 21, 2006 8:15 AM
> Subject: prefer link in OSPF using multipoint FR interface
>
>
> > Hi group,
> >
> > Suppose you have 3 routers.
> >
> > R1 is the frame-relay hub with a multipoint sub interface. R2 and R3 are
> > spokes with a physical FR interface.
> >
> > R2 and R3 have a shared ethernet segment.
> >
> > R1-------(FR)-------|
> > | |
> > | |
> > (FR) |
> > | |
> > | |
> > R2----(ethernet)-----R3
> >
> >
> > I want to like to prefer the path for R2 to go via R3 for routes behind
> > R1 instead of directly to R1.
> >
> > I can use ip ospf cost on the physical interface of R2 to make the FR link
> > less interesting and prefer the ethernet to R3. However for traffic coming
> > from networks behind R1 this won't work. That traffic will still go trough
> > the FR link R1-R2 instead of using R1-R3-R2. I cannot set ip ospf cost on
> > an interface basis on R1 since that is a multipoint sub. Setting cost on a
> > neigbhor is also not allowed for the same reason.
> >
> > Hope this is clear.
> >
> > Anybody a solution for this?
> >
> > thanks,
> >
> > Koen
> >
> > -----------------------
> > If little else, the brain is an educational toy.
> > -- Tom Robbins
> >
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