• Author : Rishabh N Panickar

 
 

Basic BGP Troubleshooting

Objective The objective of this document is to outline the various common issues faced in BGP and the troubleshooting commands for the same. I. Neighborship BGP sends unicast messages, unlike other routing protocols. For this reason, please make sure the neighbor’s IP address is reachable. For issues with BGP neighborship, check the output of ‘show ip bgp summary vrf all’ to check the neighborship state. R1#show ip bgp summary vrf all BGP summary information for VRF default Router identifier 1.1.1.1, local AS number 100 Neighbor Status Codes: m - Under maintenance Neighbor V AS MsgRcvd MsgSent InQ OutQ Up/Down State...
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