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CLI-based Configuration Guide - IP Unicast Routing

AR100, AR120, AR150, AR160, AR200, AR1200, AR2200, AR3200, and AR3600 V200R010

This document describes the concepts and configuration procedures of IP Service features on the device, and provides the configuration examples.
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Configuring the BGP GR Function

Configuring the BGP GR Function

Context

BGP restart causes peer relationships reestablishment and traffic interruption. Graceful restart (GR) ensures uninterrupted traffic forwarding in the case of BGP restart.

NOTE:
In practical application, in order to realize that business forwarding is not affected by motherboard failure, it is usually possible to configure BGP GR in the hardware environment of dual motherboard to make sense.

All the models support the GR Helper, and only AR3200 series support the GR Restarter.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run bgp { as-number-plain | as-number-dot }

    The BGP view is displayed.

  3. Run graceful-restart

    BGP GR is enabled.

    By default, BGP GR is disabled.

  4. (Optional) Run graceful-restart timer wait-for-rib timer

    The time during which the restarting speaker and receiving speaker wait for End-of-RIB messages is set.

    By default, the time for waiting for End-of-RIB messages is 600 seconds.

  5. (Optional) Run graceful-restart peer-reset

    The device is enabled to reset a BGP session in GR mode.

    By default, a device is not enabled to reset a BGP connection in GR mode.

Verifying the Configuration

  • Run the display bgp peer verbose command to check detailed information about BGP GR.

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Updated: 2019-05-20

Document ID: EDOC1100034072

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