I am trying to establish my ibgp peering. The routers are three ip hops away from each other and we use eigrp for our igp. Nothing I have tried works. Any assistance is appreciated. I am able to ping loopback to loopback without bpg running. My loopbacks are 172.20.232.23 (PC) and 172.18.232.23 (SMC). I am unable to ping between them with bgp running. Also, I am able to successfully establish the peering. Since I can't ping between the loopbacks when the session is established, the session times out after three minutes and reestablishes. The one thing I am seeing in debugs is a "recursion error routing 172.20.232.23 - possible routing loop" after the peering is established. Here is the rest of the debug leading to this message:
The loopback should be installed in the BGP table with a RIB failure and I don't see that in your BGP table output.
Can you post the EIGRP route table containing the loopback prefix at either end?
Recursive routing means you are learning the destination via the same process. In this case, you are learning the loopback via BGP but you are using the loopback to establish the BGP peering hence the term recursive.
If you are summarizing in the transit path, the loopback prefix advertised via BGP will be chosen as it has a longer subnet mask.
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