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Configuration Guide - IP Unicast Routing

S7700 and S9700 V200R013C00

This document describes the configurations of IP Unicast Routing, including IP Routing, Static Route, RIP, RIPng, OSPF, OSPFv3, IPv4 IS-IS, IPv6 IS-IS, BGP, Routing Policy, IP Routing Table Management, and PBR.
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Configuring OSPF to Filter ABR Type3 LSAs

Configuring OSPF to Filter ABR Type3 LSAs

Context

After filtering criteria are set for the incoming or outgoing Type 3 LSAs (Summary LSAs) in an area, only the Type 3 LSAs that pass the filtering criteria can be received or advertised.

This function applies only to ABRs.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run ospf [ process-id ]

    The OSPF process view is displayed.

  3. Run area area-id

    The OSPF area view is displayed.

  4. Configure OSPF to filter incoming or outgoing Type 3 LSAs generated by ABRs as required.

    • Run filter { acl-number | acl-name acl-name | ip-prefix ip-prefix-name | route-policy route-policy-name } export

      OSPF is configured to filter Type 3 LSAs leaving the local area.

    • Run filter { acl-number | acl-name acl-name | ip-prefix ip-prefix-name | route-policy route-policy-name } import

      OSPF is configured to filter Type 3 LSAs entering the local area.

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Updated: 2019-04-08

Document ID: EDOC1100065744

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