BGP Troubleshooting
-> show ip bgp neighbors statistics
Neighbor address
# of UP transitions
Time of last UP transition
# of DOWN transitions
Time of last DOWN transition
Last DOWN reason
# of msgs rcvd
# of Update msgs rcvd
# of prefixes rcvd
# of Route Refresh msgs rcvd
# of Notification msgs rcvd
Last rcvd Notification reason
Time last msg was rcvd
# of msgs sent
# of Update msgs sent
# of Route Refresh msgs sent
# of Notification msgs sent
Last sent Notification reason
Time last msg was sent
7700-> ip bgp debug-type ?
(IP Routing & Multicast Command Set)
To debug BGP:
1) ip bgp debug-level 51
2) ip bgp debug-type peer
3) ip bgp debug-type open
4) ip bgp debug-level 0
page 12-28
152.23.1.9
= 152.23.1.9,
= 4,
= 21d:11h:42m,
= 6,
= 21d:11h:43m,
= hold_timeout,
= 102904,
= 4,
= 1,
= 0,
= 1,
= update message error [malformed aspath]
= 00h:00m:06s,
= 187265,
= 85668,
= 0
= 1,
= hold time out [none]
= 00h:00m:00s,
^
WARNINGS TM TCP SYNC SENDUPD ROUTE REDIST
RECVUPD POLICY PEER OPEN NOTIFY MIP LOCAL
KEEPALIVE INFO FSM ERRORS DAMP ALL AGGR
OmniSwitch Troubleshooting Guide
Troubleshooting IP Routing
September 2005