Hi, Jeff
I think one thing might cause the trouble.
1. "ebgp-multihop" should not be used between iBGP peers.
Multihops between iBGP peers are always allowed.
Thanks
Regards,
Jaeheon
On 13 Jan 2001 17:22:02 -0500, [EMAIL PROTECTED] ("Horton, Jeff")
wrote:
>Hello all,
>
>I was trying to build a BGP scenario in the lab where I had two routers, R1
>& R2 that are both route reflectors. R3, R4, and R5 are route-reflector
>clients. R1 and R2 are both in cluster ID 100. Peer groups are set up for
>both route reflectors and route reflector clients. The idea was that should
>R1 or R2 fail, the routes would still be reflected to the clients. R1 and R2
>are able to ping R3, R4, and R5 just fine.
>
>Loopbacks are 1.1.1.1, 2.2.2.2, 3.3.3.3, etc. On RR clients R3 , R4, and R5
>I also have 30.30.30.3, 40.40.40.4, 50.50.50.5 that are advertised in BGP. I
>seem to have mixed results and I am not quite sure where I have gone wrong.
>R3 routes seem to be reflected but not R4 or R5.
>
>I would appreciate suggestions.
>
>Thanks,
>
>Jeff
>
>R1
>router ospf 1
> network 1.1.1.0 0.0.0.255 area 0
> network 172.168.14.0 0.0.0.255 area 0
> network 172.168.125.0 0.0.0.255 area 0
>!
>router bgp 1
> no synchronization
> bgp cluster-id 100
> neighbor reflectors peer-group
> neighbor reflectors remote-as 1
> neighbor reflectors update-source Loopback0
> neighbor clients peer-group
> neighbor clients remote-as 1
> neighbor clients ebgp-multihop 255
> neighbor clients update-source Loopback0
> neighbor clients route-reflector-client
> neighbor 2.2.2.2 peer-group reflectors
> neighbor 3.3.3.3 peer-group clients
> neighbor 4.4.4.4 peer-group clients
> neighbor 5.5.5.5 peer-group clients
> no auto-summary
>!
>
>R2
>router ospf 1
> network 2.2.2.0 0.0.0.255 area 0
> network 172.168.125.0 0.0.0.255 area 0
>!
>router bgp 1
> no synchronization
> bgp cluster-id 100
> neighbor clients peer-group
> neighbor clients remote-as 1
> neighbor clients update-source Loopback0
> neighbor clients route-reflector-client
> neighbor reflectors peer-group
> neighbor reflectors remote-as 1
> neighbor reflectors update-source Loopback0
> neighbor 1.1.1.1 peer-group reflectors
> neighbor 3.3.3.3 peer-group clients
> neighbor 4.4.4.4 peer-group clients
> neighbor 5.5.5.5 peer-group clients
> no auto-summary
>!
>
>R3
>router ospf 1
> network 3.3.3.0 0.0.0.255 area 0
> network 192.168.23.0 0.0.0.255 area 0
>!
>router bgp 1
> no synchronization
> network 3.3.3.0 mask 255.255.255.0
> network 30.30.30.0 mask 255.255.255.0
> neighbor 1.1.1.1 remote-as 1
> neighbor 1.1.1.1 update-source Loopback0
> neighbor 1.1.1.1 next-hop-self
> neighbor 2.2.2.2 remote-as 1
> neighbor 2.2.2.2 update-source Loopback0
> neighbor 2.2.2.2 next-hop-self
> no auto-summary
>
>R4
>router ospf 1
> network 4.4.4.0 0.0.0.255 area 0
> network 172.168.14.0 0.0.0.255 area 0
> network 192.168.23.0 0.0.0.255 area 0
>!
>router bgp 1
> no synchronization
> network 4.4.4.0 mask 255.255.255.0
> network 40.40.40.4 mask 255.255.255.0
> neighbor 1.1.1.1 remote-as 1
> neighbor 1.1.1.1 update-source Loopback0
> neighbor 1.1.1.1 next-hop-self
> neighbor 2.2.2.2 remote-as 1
> neighbor 2.2.2.2 update-source Loopback0
> neighbor 2.2.2.2 next-hop-self
> no auto-summary
>
>R5
>router ospf 1
> network 5.5.5.0 0.0.0.255 area 0
> network 172.168.125.0 0.0.0.255 area 0
>!
>router bgp 1
> no synchronization
> network 5.5.5.0 mask 255.255.255.0
> network 50.50.50.0 mask 255.255.255.0
> neighbor 1.1.1.1 remote-as 1
> neighbor 1.1.1.1 update-source Loopback0
> neighbor 1.1.1.1 next-hop-self
> neighbor 2.2.2.2 remote-as 1
> neighbor 2.2.2.2 update-source Loopback0
> neighbor 2.2.2.2 next-hop-self
> no auto-summary
>
>
>
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