Re: OSPF SHAM-LINK

Ahmed,

please can you explain how do you add a domain ID ?
Because I searched the config guide for sham-link, but doesn't found anything

-------- Original-Nachricht --------
> Datum: Tue, 30 Mar 2010 09:57:43 +0500
> Von: Ahmed Ejaz <aahmedejaz_at_gmail.com>
> An: Joe Astorino <jastorino_at_ipexpert.com>
> CC: Abiola Jewoola <biola_y2k_at_yahoo.com>, ccielab_at_groupstudy.com
> Betreff: Re: OSPF SHAM-LINK

> I guess the ospf process which you are redistributing into bgp requires a
> domain id, that is the reason it is treating it as an IA route. Please add
> a
> domain id on both the sides and the routes should come up as O routes then
> you can modify the cost to not prefer the sham link.
>
> HTH
> Ahmed
>
> On Tue, Mar 30, 2010 at 7:43 AM, Joe Astorino
> <jastorino_at_ipexpert.com>wrote:
>
> > OSPF routes coming over the sham-link should be regular O routes
> > (intra-area) and thus should be preferred over O IA routes...post your
> > configurations something does not seem right about that.
> >
> >
> >
> > On Mon, Mar 29, 2010 at 10:35 PM, Abiola Jewoola <biola_y2k_at_yahoo.com>
> > wrote:
> > > Hello G.S
> > >
> > > How can i make ospf prefer to forward route routes via ospf
> sham-link.
> > The
> > > sham link has has a cost of 10 and the routes are coming as IA routes
> > across
> > > the MPLS backbone
> > >
> > > The router is preferring the backdoor link even when i have increased
> the
> > cost
> > > as high as 65000. The routes are also advertised as IA routes.
> > >
> > > Regards,
> > > Abiola
> > >
> > >
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