Re: Next HOP on IBGP

May be the link is advertised in the IGP that you are running between R1 and
R2. Some times its recommended to do that with a passive-interface to
provide reachability.

On Wed, Aug 19, 2009 at 8:12 PM, Steve Lyons <charter21p5_at_gmail.com> wrote:

> On Tue, Aug 18, 2009 at 5:12 AM, Mark Stephanus Chandra <
> mark.chandra_at_gmail.com> wrote:
>
> > Dear GS,
> >
> >
> >
> > I have something weird going on,
> >
> >
> >
> > This is my network topology
> >
> >
> >
> > R1(AS 65000)-------R2(AS65001) ------R3(AS65001)
> >
> >
> >
> > So R1 have eBgp connection to R2 and R2 and R3 have iBGP connection.
> >
> >
> >
> > The Theory is, if R2 have routing update from R1, then the nexthop is R1
> > and
> > the update continue to R3 but cause of this iBGP Connection, the next hop
> > will not change and still to R1.
> >
> >
> >
> > But Now, in one of my customer network, I can see route update that come
> > form R1, from R3 perspective the nexthop is change to R2, and in R2 I'm
> not
> > configured Next-hop-Self.
> >
> >
> >
> > Have anyone experiencing the same like I do ?
> >
> >
> >
> > IOS bug ?
> >
> >
> >
> > FYI, this is all inside the same VRF
> >
> >
> >
> >
> >
> > Regards
> >
> > Mark Stephanus Chandra - CCIE#23887
> >
> >
> > Blogs and organic groups at http://www.ccie.net
> >
> > _______________________________________________________________________
> > Subscription information may be found at:
> > http://www.groupstudy.com/list/CCIELab.html
>
>
> Blogs and organic groups at http://www.ccie.net
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html
>
>
>
>
>
>
>
>

-- 
Narbik Kocharians
CCSI#30832, CCIE# 12410 (R&S, SP, Security)
www.MicronicsTraining.com
Sr. Technical Instructor
Blogs and organic groups at http://www.ccie.net