[f-nsp] BGP best path on a XMR

[Morten Isaksen]

Thanks!

"redistribution connected" in the OSPF fixed that.

On 7/23/07, Mike Leber <mleber at he.net> wrote:
>
> Typical reason for the below would be the next hop isn't in the routing
> table of that router.
>
> Do the two routers share their connected and static routes via an IGP,
> such as OSPF?
>
> If not, setting that up would fix it.
>
> On Mon, 23 Jul 2007, Morten Isaksen wrote:
>
> > Hi!
> >
> > I have two XMR's that that each has a BGP connection to an upstream
> > provider and i IBGP link between them. I am trying to force traffic to
> > some prefixes via one of the upstreams and have made a route map that
> > set the local pref i bit higher for these prefixes, but the XMR seems
> > to ignore this. Or maybe I have misunderstood the best path algorithm.
> >
> > SSH at BGP-2>sh ip bgp route detail 194.255.106.0
> > Number of BGP Routes matching display condition : 2
> > Status A:AGGREGATE B:BEST b:NOT-INSTALLED-BEST C:CONFED_EBGP D:DAMPED
> >        E:EBGP H:HISTORY I:IBGP L:LOCAL M:MULTIPATH m:NOT-INSTALLED-MULTIPATH
> >        S:SUPPRESSED F:FILTERED s:STALE
> > 1       Prefix: 194.255.0.0/16,  Status: BE,  Age: 2d22h10m20s
> >          NEXT_HOP: 217.74.212.65,  Learned from Peer: 217.74.212.65 (29542)
> >           LOCAL_PREF: 100,  MED: none,  ORIGIN: igp,  Weight: 0
> >            AS_PATH: 29542 9167 3308
> >             COMMUNITIES: 9167:50203 29542:301 29542:321 43027:310
> >             Adj_RIB_out count: 1,  Admin distance 20
> > 2       Prefix: 194.255.0.0/16,  Status: I,  Age: 0h15m39s
> >          NEXT_HOP: 194.19.218.157,  Learned from Peer: 77.75.166.253 (43027)
> >           LOCAL_PREF: 110,  MED: none,  ORIGIN: igp,  Weight: 0
> >            AS_PATH: 3308
> >             COMMUNITIES: 43027:300
> >        Last update to IP routing table: 2d22h10m20s, 1 path(s) installed:
> >        Route is advertised to 1 peers:
> >         77.75.166.253(43027)
> >
> >
> > In my world route 2 should be preferred since it has the highest local
> > pref, but the XMR prefers route 1.
> >
> > Can somebody explain why? And how do I make it choose route 2 as the best path?
> >
> > --
> > Morten Isaksen
> > http://www.misak.dk/blog/
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> > foundry-nsp at puck.nether.net
> > http://puck.nether.net/mailman/listinfo/foundry-nsp
> >
>
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-- 
Morten Isaksen
http://www.misak.dk/blog/