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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.

Syntax

bgp graceful-restart [restart-time seconds] [stale-path-time seconds] [role

receiver-only]

To return to the default, enter the no bgp graceful-restart command.

Parameters

neighbor

ip-

address | peer-

group-name

Enter the keyword neighbor then one of the options:

● 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 then the maximum number of seconds

needed to restart and bring up all peers. The range is from 1 to 3600 seconds. The

default is 120 seconds.

stale-path-time

seconds

Enter the keywords stale-path-time then 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

This guide is platform-specific. For command information about other platforms, refer to the relevant Dell

Networking OS Command Line Reference Guide.

Dell Networking OS

Version 8.3.19.0 Introduced on the S4820T.

Version 8.4.2.1 Introduced on the C-Series and S4810.

Version 8.2.1.0 Introduced on the E-Series ExaScale.

Version 7.4.1.0 Introduced on the E-Series TeraScale.

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.

Syntax

bgp log-neighbor-changes

To disable logging, use the no bgp log-neighbor-changes command.

Defaults Enabled.