From: Luan Nguyen (luan.m.nguyen@gmail.com)
Date: Tue Dec 18 2007 - 21:13:43 ART
Maybe try to use a route map to match on ip route-source.
-lmn
On Dec 18, 2007 7:01 PM, Sridhar Vaidyanathan <vsridhar83@gmail.com> wrote:
> Hi Tarun,
>
> But the problem is the the AD needs to be changed only for a particular
> route and not all others. That route is learned through multiple paths
> through the same routing protocol i.e. OSPF. I am using router-id of the
> router R3 (as shown in my previous mail) for matching the source ip
> address.
> The LSA database was checked and found that the route is learned from
> Router-ID of both R1 and R3.
>
> I lab'd it and found that the AD changes for the route learned from both
> the
> paths. Is it that the distance command only works when you need to prefer
> the route learned from one routing protocol over the other. If that is the
> case, how can solve the problem mentioned?
>
> I have seen scenarios in Internetwork expert labs, where redistributing
> mutual redistribution between OSPF and EIGRP on multiple routers, distance
> command effectively works to prefer EIGRP External routes to be preferred
> over OSPF routes, in the routers doing the redistribution.
>
> Regards,
> Sridhar.
>
>
> On Dec 17, 2007 3:05 AM, Tarun Pahuja <pahujat@gmail.com> wrote:
>
> > Sridhar,
> > Use the distance command without the access-list. If you
> have
> > access to Jeff Doyle Volume 1 second edition, the concept is explained
> on
> > page 723.
> >
> > Router ospf 1
> > distance 80 3.3.3.3 0.0.0.0
> >
> > HTH,
> > Tarun
> >
> >
> >
> >
> > On 12/16/07, Sridhar Vaidyanathan <vsridhar83@gmail.com> wrote:
> >
> > > Hi Scott,
> > >
> > > Following is a scenario, which I have asked before but couldn't find a
> > > suitable reply.
> > >
> > > EIGRP OSPF
> > > ----------R1-----------R2
> > > EIGRP OSPF |
> > > ----------R3------------|
> > >
> > > Both R1 and R3 is redistributing EIGRP routes into OSPF. R3 would load
> > > balance across the 2 routers to reach EIGRP routes assuming that R1
> and
> > > R3
> > > are passing the EIGRP routes with metric-type of E2 and an equal
> metric.
> > >
> > > I am using DISTANCE command at R2 to match the route which should be
> > > preferred via R3. The route is being learned from both R1 and R3 as
> > > mutual
> > > redistribution has been configured between OSPF and EIGRP on both R1
> and
> > > R3.
> > > I am also using the source ip address as the router-id of the R3 in
> the
> > > distance command. Below is the configuration on R2
> > >
> > > router ospf 1
> > > distance 80 3.3.3.3 0.0.0.0 1 (Where 3.3.3.3 is the router-id of R3)
> > >
> > > access-list 1 permit 192.168.1.0 0.0.0.255
> > >
> > > This however, is not working. The above configuration changes the AD
> for
> > > both the routes from both R1 and R3.
> > >
> > > Please help me in understanding and solving this.
> > >
> > >
> > > Thanks,
> > > Sridhar.
> > >
> > >
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