Enabling Logging Of Peer State Changes - 3Com S7906E Configuration Manual

A device can act as a GR Restarter and GR Helper at the same time.
Follow these steps to configure BGP GR:
To do...
Enter system view
Enable BGP, and enter its view
Enable GR Capability for BGP
Configure the maximum time
allowed for the peer to
reestablish a BGP session
Configure the maximum time to
wait for the End-of-RIB marker
In general, the maximum time allowed for the peer (the GR restarter) to reestablish a BGP session
should be less than the Holdtime carried in the Open message.
The End-Of-RIB (End of Routing-Information-Base) indicates the end of route updates.
Enabling Trap
After Trap is enabled for BGP, BGP generates Level-4 traps to report important events of it. The
generated traps are sent to the Information Center of the device. The output rules of the traps, namely,
whether to output the traps and the output direction, are determined according to the Information Center
configuration. (For Information Center configuration, refer to Information Center Configuration in the
System Volume.)
Follow these steps to enable Trap:
To do...
Enter system view
Enable Trap for BGP

Enabling Logging of Peer State Changes

Follow these steps to enable the logging of peer state changes:
Use the command...
system-view
bgp as-number
graceful-restart
graceful-restart timer
restart timer
graceful-restart timer
wait-for-rib timer
Use the command...
system-view
snmp-agent trap enable bgp
1-42
Remarks
—
—
Required
Disabled by default
Optional
150 seconds by default
Optional
180 seconds by default
Remarks
—
Optional
Enabled by default