From: Narbik Kocharians (narbikk@gmail.com)
Date: Fri Nov 16 2007 - 02:03:41 ART
Highly recommended
On 11/15/07, Asim Zafar <asim.mz@gmail.com> wrote:
>
> What if one router have more then one routing protocol, should use same
> loopback interface IP as id for all routing protocols ?
>
> On 11/14/07, Tarun Pahuja <pahujat@gmail.com> wrote:
> >
> > Asim,
> > Router-id plays a very important role in routing protocols.
> > Please read the lab carefully to see if they have asked you to use a
> > specific ipaddress or interface as the router-id, do what is required.
> If
> > nothing is mentioned, it is highly recommended that you choose an
> interface
> > ip address preferably a loopback to be the router-id. If you do not do
> it,
> > you are bound to get into trouble.
> >
> > Ospf uses router-id for Virtual-links, DR elections,etc
> > BGP can also uses router-id for best-path selection process.
> >
> > http://www.cisco.com/warp/public/459/25.shtml
> > http://www.cisco.com/warp/public/104/2.html
> >
> > If you do not set the RID manually, there are chances that you might add
> > additional loopbacks, which might cause router-id to change after a
> reboot
> > or clearing of the routing protocol process.
> >
> > HTH,
> > Tarun
> >
> >
> > On Nov 14, 2007 7:23 AM, Asim Zafar <asim.mz@gmail.com> wrote:
> >
> > > Dear experts,
> > >
> > > Please guide me if nothing mentioned in the lab to configure router
> ids
> > > for
> > > any routing protocol and we configure it for the sake of our easiness;
> > > will
> > > that effect the lab score.
> > >
> > >
> > >
> > > --
> > > Thanks & Regards,
> > >
> > > Asim Zafar
> > >
> > >
> _______________________________________________________________________
> > > Subscription information may be found at:
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> > >
> >
> >
>
>
> --
> Thanks & Regards,
>
> Asim Zafar
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html
>
-- Narbik Kocharians CCIE# 12410 (R&S, SP, Security) CCSI# 30832 www.Net-WorkBooks.com
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