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helper-disable (OSPF)

Syntax

helper-disable < both | restart-signaling | standard >;

Hierarchy Level

[edit logical-systems logical-system-name protocols ospf graceful-restart],[edit logical-systems logical-system-name routing-instances routing-instance-name protocols ospf graceful-restart],[edit protocols ospf graceful-restart],[edit routing-instances routing-instance-name protocols ospf graceful-restart]

Release Information

Statement introduced before Junos OS Release 7.4.

Options both, restart-signaling, and standard introduced in Junos OS Release 11.4.

Statement introduced in Junos OS Release 12.1 for the QFX Series.

Description

Disable helper mode for graceful restart. When helper mode is disabled, a router cannot help a neighboring router that is attempting to restart. The last committed statement takes precedence over the previously configured statement.

Default

Helper mode is enabled by default for OSPF.

Options

both
—

(Optional) Disable helper mode for both standard and restart signaling-based graceful restart.

restart-signaling
—

(Optional) Disable helper mode for restart signaling-based graceful restart (based on RFC 4811, RFC 4812, and RFC 4813).

Note: Restart signaling-based helper mode is not supported for OSPFv3 configurations.

standard
—

(Optional) Disable helper mode for standard graceful restart (based on RFC 3623).

Required Privilege Level

routing—To view this statement in the configuration.

routing-control—To add this statement to the configuration.

 

Related Documentation

 

Published: 2013-08-15

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