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Configuration Guide - IP Unicast Routing

S7700 and S9700 V200R011C10

This document describes IP Unicast Routing configurations supported by the switch, including the principle and configuration procedures of IP Routing Overview, Static Route, RIP, RIPng, OSPF, OSPFv3, IS-IS(IPv4), IS-IS(IPv6), BGP, Routing Policy ,and PBR, and provides configuration examples.
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(Optional) Configuring GR Session Parameters on the Helper

(Optional) Configuring GR Session Parameters on the Helper

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run ospf [ process-id ]

    The OSPF view is displayed.

  3. Run graceful-restart helper-role { [ { ip-prefix ip-prefix-name | acl-number acl-number | acl-name acl-name } | ignore-external-lsa | planned-only ] * | never }

    The GR session parameters are set.

    • If the parameter ip-prefix, acl-number, or acl-name is set, the local switch enter the Helper mode only after neighbors pass the associated filtering policies.
    • If the parameter ignore-external-lsa is set, the Helper does not check the LSAs outside the AS (AS-external LSA). By default, the Helper checks the LSAs outside the AS.
    • If the parameter planned-only is set, the Helper supports only planned GR. By default, the Helper supports both planned GR and unplanned GR.
    • If the parameter never is set, the switch does not enter the Helper mode.

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Updated: 2019-04-01

Document ID: EDOC1000178324

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