Juniper JUNOSE 11.2.X BGP AND MPLS Configuration Manual page 163

bgp graceful-restart path-selection-defer-time-limit
bgp graceful-restart restart-time
bgp graceful-restart stalepaths-time
clear ip bgp wait-end-of-rib
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Use the no version to disable advertisement of the graceful restart capability. Use the
default version to restore the default condition, of not advertising this capability.
See bgp graceful-restart.
Use to set the maximum time a restarted BGP speaker defers reinitiating the best-path
selection process.
This command takes effect immediately and automatically bounces the session.
Example
host1(config-router)#bgp graceful-restart path-selection-defer-time-limit 180
Use the no version to restore the default value, 120 seconds.
See bgp graceful-restart path-selection-defer-time-limit.
Use to set the time BGP advertises to all peers within which it expects to reestablish
a session after restarting. Peers flush stale routes from the speaker if the session is not
restarted within this period.
Specify an interval shorter than the stalepaths time.
This command takes effect immediately and automatically bounces the session.
Example
host1(config-router)#bgp graceful-restart restart-time 240
Use the no version to restore the default value, 120 seconds.
See bgp graceful-restart restart-time.
Use to set the maximum time BGP waits to receive an End-of-RIB marker from any
restarted peer before flushing all remaining stale routes from that peer. The timer
begins when BGP recognizes that the peer session has gone down.
This command prevents an excessive delay in BGP reconvergence due to a peer that
brings a session back up but is slow to send fresh routes.
Specify an interval longer than the restart time.
This command takes effect immediately and automatically bounces the session.
Example
host1(config-router)#bgp graceful-restart stalepaths-time 480
Use the no version to restore the default value, 360 seconds.
See bgp graceful-restart stalepaths-time.
Chapter 1: Configuring BGP Routing
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