Configuring bgp4 graceful restart, Configuring bgp4 graceful, Restart – Brocade Communications Systems Layer 3 Routing Configuration ICX 6650 User Manual
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Brocade ICX 6650 Layer 3 Routing Configuration Guide
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Configuring BGP4 graceful restart
The attribute-map map-name parameter configures the router to set attributes for the aggregate
routes based on the specified route map.
NOTE
For the suppress-map, advertise-map, and attribute-map parameters, the route map must already
be defined. Refer to
on page 342 for information on defining a route map.
Configuring BGP4 graceful restart
By default, BGP4 graceful restart is enabled for the global routing instance. This section describes
how to disable and re-enable the BGP4 restart feature and change the default values for
associated timers.
For information about displaying BGP4 graceful restart neighbor information, refer to
BGP4 graceful restart neighbor information”
BGP4 graceful restart is enabled by default on a Layer 3 switch. To disable it, use the following
commands:
Brocade(config)# router bgp
Brocade(config-bgp)# no graceful-restart
To re-enable BGP4 graceful restart after it has been disabled, enter the following commands.
Brocade(config)# router bgp
Brocade(config-bgp)# graceful-restart
Syntax: [no] graceful-restart
Configuring timers for BGP4 graceful restart (optional)
You can change the default values for the following timers:
•
Restart timer
•
Stale routes timer
•
Purge timer
Configuring the restart timer for BGP4 graceful restart
Use the following command to specify the maximum amount of time a device will maintain routes
from and forward traffic to a restarting device.
Brocade(config-bgp)# graceful-restart restart-timer 150
Syntax: [no] graceful-restart restart-timer seconds
The seconds variable is the maximum restart wait time advertised to neighbors. Possible values
are from 1 through 3600 seconds. The default value is 120 seconds.
Configuring the BGP4 graceful restart stale routes timer
Use the following command to specify the maximum amount of time a helper device will wait for an
end-of-RIB message from a peer before deleting routes from that peer.