RE: ospf distance

From: Aaron <aaron1_at_gvtc.com>
Date: Wed, 25 Jul 2012 08:38:20 -0500

isn't that to be expected since you altered learned routes from 150.1.4.4 to
all be same AD.....and then if they have same metric LB will occur. If you
don't won't load balancing, perhaps alter ip ospf cost on one of your
interfaces towards 142.1.0.4 or 142.1.0.3. I see them on s0/0.....is that
over a frame relay cloud? If so can you alter metric or cost in a frame
relay map and make one look less attractive than the other? Or perhaps put
them on subinterfaces as p-to-p and do the aforementioned ip ospf cost on
R5's subint towards the less desireable next hop

-----Original Message-----
From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of
shekhar sharma
Sent: Wednesday, July 25, 2012 7:40 AM
To: Gilles FABRE
Cc: Cisco certification
Subject: Re: ospf distance

Try that already ,

Distance changed but still it load-balance

R5(config)#router ospf 1
R5(config-router)#distance 109 150.1.4.4 0.0.0.0

R5#sh ip route 142.1.34.3
Routing entry for 142.1.34.0/24
  Known via "ospf 1", distance 109, metric 65, type intra area
  Last update from 142.1.0.4 on Serial0/0, 00:01:16 ago
  Routing Descriptor Blocks:
    142.1.0.4, from 150.1.4.4, 00:01:16 ago, via Serial0/0
      Route metric is 65, traffic share count is 1
  * 142.1.0.3, from 150.1.4.4, 00:01:16 ago, via Serial0/0
      Route metric is 65, traffic share count is 1

On Wed, Jul 25, 2012 at 4:12 PM, Gilles FABRE <fabre.gilles_at_voila.fr> wrote:

> For OSPF, you should refer not to neighbor adress but router-id
>
> please try instead :
>
> distance 109 150.1.4.4 0.0.0.0
>
> Best regards.
>
> > Message du 25/07/12 ` 12h02
> > De : "shekhar sharma"
> > A : "Cisco certification"
> > Copie ` :
> > Objet : ospf distance
>
> >
> > Hi All,
> >
> >
> > I was working with manipulating OSPF distance.
> >
> > Not able to change ospf distance per neigbour...Not sure if this is
> config
> > issue or OSPF doesn't support it like EIGRP
> >
> > R5(config-router)#router ospf 1
> > R5(config-router)#distance 109 142.1.0.4 0.0.0.0
> >
> > R5#sh ip route 142.1.34.4
> > Routing entry for 142.1.34.0/24
> > Known via "ospf 1", distance 110, metric 65, type intra area Last
> > update from 142.1.0.4 on Serial0/0, 00:00:36 ago Routing Descriptor
> > Blocks:
> > 142.1.0.4, from 150.1.4.4, 00:00:36 ago, via Serial0/0 Route metric
> > is 65, traffic share count is 1
> > * 142.1.0.3, from 150.1.4.4, 00:00:36 ago, via Serial0/0 Route
> > metric is 65, traffic share count is 1 Regards, Shekhar
> >
> >
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Received on Wed Jul 25 2012 - 08:38:20 ART

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