Re: bgp best path confusion

Hi

It must be the IGP METRIC to reach the NEXT-HOP in BGP or else CLUSTER
LENGTH which will decide this when you have redundant RR. Check out
 whether there both the RRs are clients to each other or non clinets . If
they are clients to each other, then u must have a unique RR Cluster ID in
each of them.

On Thu, Aug 30, 2012 at 7:14 AM, Joe Sanchez <marco207p_at_gmail.com> wrote:

> I would save router-id.
>
> Regards,
> Joe Sanchez
>
> ( please excuse the brevity of this email as it was sent via a mobile
> device. Please excuse misspelled words or sentence structure.)
>
> On Aug 29, 2012, at 11:57 AM, oo IPX <oispxl_at_gmail.com> wrote:
>
> > i have a hub and spoke topology, R1 being hub.
> >
> > R1-is a Route reflector.
> >
> > also, R1, R2 and R3 are fully meshed ibgp peers. with R1, R2 and R3
> > advertising networks 1.0.0.0/8, 2.0.0.0/8 and 3.0.0.0/8
> >
> > *on what level of the bgp path decision making the following route is
> been
> > chosen?*
> >
> >
> >
> > *R3(config-router)#do sh ip bgp 2.0.0.0
> > BGP routing table entry for 2.0.0.0/8, version 4
> > Paths: (2 available, best #2, table Default-IP-Routing-Table)
> > Flag: 0x820
> > Not advertised to any peer
> > Local
> > 10.1.12.2 (metric 1) from 10.1.13.1 (1.1.1.1)
> > Origin IGP, metric 0, localpref 100, valid, internal
> > Originator: 2.2.2.2, Cluster list: 1.1.1.1
> > Local
> > 10.1.12.2 (metric 1) from 10.1.12.2 (2.2.2.2)
> > Origin IGP, metric 0, localpref 100, valid, internal, best
> > *
> >
> >
> > Network Next Hop Metric LocPrf Weight Path
> > *>i1.0.0.0 10.1.13.1 0 100 0 i
> > ** i2.0.0.0 10.1.12.2 0 100 0 i
> > *>i 10.1.12.2 0 100 0 i*
> > *> 3.0.0.0 0.0.0.0 0 32768 i
> >
> >
> >
> > Regards
> >
> >
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