From: Kevin Baumgartner (kbaumgar@xxxxxxxxx)
Date: Sat Feb 03 2001 - 22:18:46 GMT-3
So I thought this was a question about Route reflectors?
Why would you do a neighbor egp-multihop on each of the BGP client
routers? Sort of defeats the purpose of using Route reflectors.
Kevin
>
> Add the "neighbor <ip-address> ebgp-multihop option, since you are using
> update-source you need to increase the hop count.
>
> Jeff Kesemeyer
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
> Moran, Ed
> Sent: Saturday, February 03, 2001 7:44 PM
> To: 'ccielab@groupstudy.com'
> Subject: BGP Route Reflection
>
>
> I am having problams with BGP Route Reflection. R3, my RR, is not reflecting
> routes to clients or between clients. All neighbors are Established. Here is
> the config for R3's BGP.
>
> router bgp 1
> bgp router-id 138.1.3.3
> network 138.1.0.0
> neighbor 138.1.1.1 remote-as 1
> neighbor 138.1.1.1 update-source Loopback0
> neighbor 138.1.1.1 route-reflector-client
> neighbor 138.1.4.4 remote-as 1
> neighbor 138.1.4.4 update-source Loopback0
> neighbor 138.1.4.4 route-reflector-client
> neighbor 138.1.5.5 remote-as 1
> neighbor 138.1.5.5 update-source Loopback0
> neighbor 138.1.5.5 route-reflector-client
> neighbor 150.10.9.2 remote-as 6
>
> 138.1.1.1 - R1
> 138.1.4.4 - R4
> 138.1.5.5 - R5
> 150.10.9.2 - R6
>
> R3 has all routes as shown.
>
> R3#sh ip bgp
> BGP table version is 3, local router ID is 138.1.3.3
> Status codes: s suppressed, d damped, h history, * valid, > best, i -
> internal
> Origin codes: i - IGP, e - EGP, ? - incomplete
>
> Network Next Hop Metric LocPrf Weight Path
> *> 138.1.0.0 0.0.0.0 0 32768 i
> * i 138.1.5.5 0 100 0 i
> * i 138.1.4.4 0 100 0 i
> * i 138.1.1.1 0 100 0 i
> * i140.10.0.0 138.1.1.1 0 100 0 i
> *> 150.10.0.0 150.10.9.2 0 0 6 i
> * i160.10.0.0 160.10.9.6 0 100 0 2 i
>
> 140.10.0.0 is being advertised by R1, 150.10.0.0 is being advertised by R6,
> and 160.10.0.0 is being received by R5. R5 originally receivd the routed
> from R2 vie EBGP.
>
> R1 has IP BGP = 138.1.0.0, 140.10.0.0, and 150.10.0.0
> R4 has IP BGP = 138.1.0.0, and 150.10.0.0
> R5 has IP BGP = 138.1.0.0, 150.10.0.0, and 160.10.0.0
> R6 has IP BGP = 138.1.0.0, and 150.10.0.0
> R2 has IP BGP = 138.1.0.0, and 160.10.0.0
>
> Can anyone help me discover why the routes won't "sychronize"? I am not
> using any route-maps or special commands. This is only a basic config. R5,
> R1, R3, and R4 are all part of AS 1 and use OSPF as the IGP. All routes in
> the OSPF domain are sychronized. Please help...
>
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