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Home Documentation Junos OS Junos CLI Reference CLI Reference G

Junos CLI Reference

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Junos CLI Reference
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graceful-restart (Enabling Globally)

date_range 19-Nov-23
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Syntax

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graceful-restart {
    disable;
    helper-disable;
    maximum-helper-recovery-time seconds;
    maximum-helper-restart-time seconds;
    notify-duration seconds;
    recovery-time seconds;
    restart-duration seconds;
    stale-routes-time seconds;
}

Hierarchy Level

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[edit logical-systems logical-system-name routing-options],
[edit logical-systems logical-system-name routing-instances routing-instance-name routing-options],
[edit routing-options],
[edit routing-instances routing-instance-name routing-options]

Description

You configure the graceful restart routing option globally to enable the feature, but not to enable graceful restart for all routing protocols in a routing instance. To enable graceful restart globally, include the graceful-restart statement under the [edit routing options] hierarchy level. This enables graceful restart globally for all routing protocols. You can, optionally, modify the global settings at the individual protocol level.

Note:

  • For VPNs, the graceful-restart statement allows a router whose VPN control plane is undergoing a restart to continue to forward traffic while recovering its state from neighboring routers.

  • For BGP, if you configure graceful restart after a BGP session has been established, the BGP session restarts and the peers negotiate graceful restart capabilities.

  • LDP sessions flap when graceful-restart configurations change.

Default

Graceful restart is disabled by default.

Options

The remaining statements are explained separately. See CLI Explorer.

Required Privilege Level

routing—To view this statement in the configuration.

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

Release Information

Statement introduced before Junos OS Release 7.4.

Related Documentation

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