From: ccie2002@tampabay.rr.com
Date: Fri Aug 15 2003 - 12:46:16 GMT-3
This is because the RID's of the OSPF routes and the BGP routes are different.
----- Original Message -----
From: ccie2be <ccie2be@nyc.rr.com>
Date: Friday, August 15, 2003 10:58 am
Subject: Re: bgp synchronization problem
> Could you post your configs? dt
>
> ----- Original Message -----
> From: "benmekki kamal" <benmekki_kamal@yahoo.fr>
> To: <ccielab@groupstudy.com>
> Sent: Friday, August 15, 2003 10:30 AM
> Subject: bgp synchronization problem
>
>
> > Hi,
> >
> > R1-------------------- IBGP----------------------R4
> > R1-------RIP--------R3----------OSPF--------R4
> >
> > BGP is configured on R1 and R4 only on the same AS 135
> >
> > bgp synchronization is enabled on R1 and R4
> >
> > R3 is performing double redistribution between RIP and OSPF
> >
> > R4 gets ibgp routes from R1
> > R4 knows about thoses routes via OSPF
> > R4 does not sychronize the route.
> >
> > R4:
> > sh ip bgp 20.20.20.0
> > BGP routing table entry for 20.20.20.0/24, version 0
> > Paths: (1 available, no best path)
> > Not advertised to any peer
> > 1, (received & used)
> > 135.1.1.1 (metric 20) from 135.1.1.1 (135.1.1.1)
> > Origin IGP, metric 0, localpref 100, valid, internal, not
> synchronized
> >
> >
> > R4
> > R4#sh ip route 20.20.20.0
> > Routing entry for 20.20.20.0/24
> > Known via "ospf 1", distance 110, metric 20
> > Tag 1, type extern 2, forward metric 64
> > Last update from 135.1.34.3 on Serial2/0.1, 00:36:06 ago
> > Routing Descriptor Blocks:
> > * 135.1.34.3, from 135.1.3.3, 00:36:06 ago, via Serial2/0.1
> > Route metric is 20, traffic share count is 1
> >
> >
> > N.B. in case I have only one IGP running ( OSPF for example between
> routes ) , sychronization is performed.
> >
> > Is there some restrictions about double IGPs into the same AS ?
> >
> > Any idea ?
> > TIA
> > Kamal
> >
> >
> >
> >
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