Administrator Guide

ManualsBrandsDell ManualsAccess PlatformsC9010 Modular Chassis Switch

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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.

C9000 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 Description

9.9(0.0) Introduced on the C9010.

9.2(1.0) Introduced on the Z9500.

8.2.1.0 Introduced on the E-Series ExaScale.

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.