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■ Use to enable the BGP graceful restart capability.

■ Advertisement of the graceful restart capability is disabled by default.

■ The no neighbor capability negotiation command prevents the advertisement

of all BGP capabilities, including graceful restart, to the specified peers.

■ This command takes effect immediately and automatically bounces the session.

■ Example

host1(config-router)#bgp graceful-restart

■ 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.

bgp graceful-restart path-selection-defer-time-limit

■ 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.

bgp graceful-restart restart-time

■ 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.

bgp graceful-restart stalepaths-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.

130 ■ Selecting the Best Path

JUNOSe 11.1.x BGP and MPLS Configuration Guide

Juniper BGP - CONFIGURATION GUIDE V 11.1.X User Manual

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