Configuring the BGP4+ GR Helper

A BGP4+ GR helper helps its neighbor complete BGP4+ GR.

Usage Scenario

BGP4+ restart causes re-establishment of peer relationships and traffic interruption.

BGP4+ GR needs to be enabled to prevent traffic interruption in the event of BGP4+ restart. A GR restarter and its BGP4+ peer negotiate the GR capability to establish a GR-capable BGP4+ session.

Pre-configuration Tasks

Before configuring BGP4+ GR helper, configure basic BGP4+ functions.

Enabling BGP4+ GR: Enabling or disabling BGP4+ GR may delete and re-establish all BGP4+ sessions and instances.

Configuring BGP4+ GR Session Parameters: Changing the BGP4+ restart period re-establishes BGP4+ peer relationships.

Verifying the Configuration of BGP4+ GR Helper: After configuring BGP4+ GR helper, check the BGP4+ GR status.