BGP SOO

From: Muzammil Malick <malickmuz_at_gmail.com>
Date: Thu, 27 May 2010 23:36:15 +0100

Hi All

I have an issue when configuring BGP SOO. My topology is as follows

CE1 - - PE1 - - RR - - PE2 - - CE2
AS1 - - AS2 - - AS2 - - AS2 - - AS1

The CEs have a backdoor link via iBGP

My config for the PE's is as follows

PE1

address-family ipv4 vrf VRF_A
  neighbor 150.0.0.1 remote-as 1
  neighbor 150.0.0.1 activate
  neighbor 150.0.0.1 as-override
  neighbor 150.0.0.1 soo 100:1
  no synchronization
 exit-address-family

PE2

address-family ipv4 vrf VRF_A
  neighbor 160.0.0.1 remote-as 1
  neighbor 160.0.0.1 activate
  neighbor 160.0.0.1 as-override
  neighbor 160.0.0.1 soo 100:2
  no synchronization
 exit-address-family

I was under the impression that because the SOO values are different that
the routes will be sent to the CEs. However my PEs are not advertising
remote CE routes to local CE
and I can see clearly from "show ip bgp neighbor command" that there is an
SOO loop on the PEs.
Do I have this wrong?

Thanks

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Received on Thu May 27 2010 - 23:36:15 ART

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