Reference Guide

For more information about using the 2– or 4-Byte format, refer to the FTOS Configuration
Guide .
bgp graceful-restart
Enable graceful restart on a BGP neighbor, a BGP node, or designate a local router to support graceful restart as a
receiver only.
C-Series, E-Series
Syntax
bgp graceful-restart [restart-time seconds] [stale-path-time
seconds] [role receiver-only]
To return to the default, use the no bgp graceful-restart command.
Parameters
neighbor ip-
address | peer-
group-name
Enter the keyword neighbor followed by one of the options listed
below:
• ip-address of the neighbor in IP address format of the
neighbor.
• peer-group-name of the neighbor peer group.
restart-time
seconds
Enter the keywords restart-time followed by the maximum
number of seconds needed to restart and bring up all peers. The
range is 1 to 3600 seconds. The default is 120 seconds.
stale-path-time
seconds
Enter the keywords stale-path-time followed by the maximum
number of seconds to wait before restarting a peer’s stale paths. The
default is 360 seconds.
role receiver-only Enter the keywords role receiver-only to designate the local
router to support graceful restart as a receiver only.
Defaults As above.
Command Modes ROUTER BGP
Command History
Version 8.2.1.0 Introduced on the E-Series ExaScale.
Version 7.4.1.0 Introduced
Usage
Information
This feature is advertised to BGP neighbors through a capability advertisement. In Receiver
Only mode, BGP saves the advertised routes of peers that support this capability when they
restart.
bgp log-neighbor-changes
Enable logging of BGP neighbor resets.
C-Series, E-Series
Syntax
bgp log-neighbor-changes
To disable logging, use the no bgp log-neighbor-changes command.
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