Re: OSPF SHAM-LINK

Thats correct Joe, thanks for the correction.

On Tue, Mar 30, 2010 at 10:13 AM, Joe Astorino <jastorino_at_ipexpert.com>wrote:

> I believe if you are using the same OSPF process ID on both sides, you
> should get O routes. I am pretty sure the domain-ID by default is
> taken from the process ID number you are running. If they were
> different domain IDs though, you should be seeing O E2 routes so that
> is why I say it is a bit strange.
>
>
>
> On Tue, Mar 30, 2010 at 12:57 AM, Ahmed Ejaz <aahmedejaz_at_gmail.com> wrote:
> > 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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> >> >
> >>
> >>
> >>
> >> --
> >> Regards,
> >>
> >>
> >>
> >> Joe Astorino - CCIE #24347
> >> Sr. Technical Instructor - IPexpert
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> Regards,
>
>
>
> Joe Astorino - CCIE #24347
> Sr. Technical Instructor - IPexpert
> Mailto: jastorino_at_ipexpert.com
> Telephone: +1.810.326.1444
> Live Assistance, Please visit: www.ipexpert.com/chat
> eFax: +1.810.454.0130
>
> IPexpert is a premier provider of Self-Study Workbooks, Video on
> Demand, Audio Tools, Online Hardware Rental and Classroom Training for
> the Cisco CCIE (R&S, Voice, Security & Service Provider)
> certification(s) with training locations throughout the United States,
> Europe, South Asia and Australia. Be sure to visit our online
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Received on Tue Mar 30 2010 - 10:16:34 ART