Bgp Routes Not Coming Up In The Switch Routing Table - Avaya 8800 Troubleshooting Manual

Unicast routing troubleshooting
3. If the problem still persists, then check whether the peer IP address is correct and
4. If the peer is not a directly attached peer then, check whether multi-hop is

BGP routes not coming up in the switch routing table

If BGP routes are not coming up in the switch routing table, use the following procedure to
troubleshoot the issue.
1. Check in the routing table to see whether the BGP route has come up
2. Check whether the path exists in the BGP routing table
3. Check whether the BGP peer is established with the neighbor advertising the route:
4. Check whether the path learned is the best path from an IBGP or EBGP peer.
5. See whether synchronization is turned off.
6. Check whether the nexthop-self is enabled. (In case of eBGP peers it is always safe
364 Troubleshooting
For iBGP peers, check whether the local autonomous system numbers are the
same on both switches. For eBGP peers, verify that the local AS numbers are
different.
reachable (using ping). If it is unreachable, check the IP route table.
show ip route info (CLI)
show ip route (ACLI)
configured.
show ip bgp neighbor info (CLI)
show ip bgp neighbor (ACLI)
show ip route info (CLI)
show ip route (ACLI)
show ip bgp route (CLI or ACLI)
show ip bgp summary (CLI or ACLI)
show ip bgp conf (CLI or ACLI)
to have nexthop-self enabled)
show ip bgp neighbor info (CLI)
show ip bgp neighbor (ACLI)
Comments? infodev@avaya.com
July 2013