Dell Command Line Reference Guide for the S4048–ON System 9.14.2.8

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bgp graceful-restart

To support graceful restart as a receiver only, enable graceful restart on a BGP neighbor, a BGP node, or designate a local router.

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
restart-time seconds
Enter the keyword restart-time then the maximum number of seconds to restart and bring-up all the peers. The range is from 1 to 3600 seconds. The default is 120 seconds.
stale-path-time seconds
Enter the keyword 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 keyword 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, see the relevant Dell EMC Networking OS Command Line Reference Guide.

Version
Description
9.10(0.1)
Introduced on the S6010-ON and S4048T-ON.
9.10(0.0)
Introduced on the S3148.
9.10(0.0)
Introduced on the S6100-ON.
9.8(2.0)
Introduced on the S3100 series.
9.8(1.0)
Introduced on the Z9100–ON.
9.8(0.0P5)
Introduced on the S4048-ON.
9.8(0.0P2)
Introduced on the S3048-ON.
9.7(0.0)
Introduced on the S6000–ON.
9.2(1.0)
Introduced on the Z9500.
9.0.2.0
Introduced on the S6000.
8.3.19.0
Introduced on the S4820T.
8.3.11.1
Introduced on the Z9000.
8.3.7.0
Introduced on the S4810.
7.8.1.0
Introduced on the S-Series.
7.7.1.0
Introduced on the C-Series.
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 graceful restart is active only when the neighbor becomes established. Otherwise it is disabled. Graceful-restart applies to all neighbors with established adjacency.

This command automatically restarts the BGP instance for the configuration to take effect.


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