I don't believe it's legal to change the next hop when you are reflecting
routes. Remove the route-reflector and it should work.
At 09:47 PM 4/13/01, you wrote:
>Hey Group,
>
>I'm doing a little BGP lab here in my home, and I'm running into problems
>when trying to get the next-hop-self command to work in between IGP peers.
>Here's my topology:
>
>r2503 --EBGP-- r2523 --IBGP-- r2504 --IBGP-- r2501
>AS200 AS100 AS100 AS100
>
>
>r2503 has no problem advertising its loopback (1.1.1.1/24) to r2523 through
>their EBGP connection. r2523 then sends the 1.1.1.1/24 route to r2504 while
>changing the next hop to r2523. The problem is that r2504 cannot send the
>1.1.1.1/24 router to r2501. I assumed that the next-hop-self command would
>be important in this situation, but it isn't working. Is there anything that
>I am doing wrong here?
>
>
>
>Here are the configs (without unnecessary info):
>
>hostname r2503
>!
>interface Loopback0
>ip address 1.1.1.1 255.255.255.0
>!
>interface Serial0
>ip address 192.1.1.1 255.255.255.0
>!
>router bgp 100
>network 1.0.0.0
>neighbor 192.1.1.2 remote-as 200
>!
>----------------------------------------------
>hostname r2523
>!
>interface Loopback0
>ip address 2.2.2.2 255.255.255.0
>!
>interface Serial1
>ip address 192.1.1.2 255.255.255.0
>clockrate 64000
>!
>interface Serial2
>ip address 193.1.1.2 255.255.255.0
>clockrate 64000
>!
>router bgp 200
>network 2.0.0.0
>neighbor 192.1.1.1 remote-as 100
>neighbor 193.1.1.1 remote-as 200
>neighbor 193.1.1.1 next-hop-self
>no synchronization
>--------------------------------------------
>hostname r2504
>!
>interface Loopback0
>ip address 3.3.3.3 255.255.255.0
>!
>interface Serial0
>ip address 193.1.1.1 255.255.255.0
>!
>interface Serial1
>ip address 194.1.1.1 255.255.255.0
>!
>router bgp 200
>no synchronization
>network 3.0.0.0
>neighbor 193.1.1.2 remote-as 200
>neighbor 193.1.1.2 route-reflector-client
>neighbor 193.1.1.2 next-hop-self
>neighbor 194.1.1.2 remote-as 200
>neighbor 194.1.1.2 route-reflector-client
>neighbor 194.1.1.2 next-hop-self
>------------------------------------------------
>hostname r2501
>!
>interface Loopback0
>ip address 4.4.4.4 255.255.255.0
>no ip directed-broadcast
>!
>interface Serial0
>ip address 194.1.1.2 255.255.255.0
>clockrate 64000
>!
>router bgp 200
>no synchronization
>network 4.0.0.0
>neighbor 194.1.1.1 remote-as 200
>
>
>Thanks in advance,
>Fred
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