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S600-E V200R013C00 Configuration Guide - IP Unicast Routing

This document describes the configurations of IP Unicast Routing, including IP Routing, Static Route, RIP, RIPng, OSPF, OSPFv3, Routing Policy, IP Routing Table Management, and PBR.
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Configuring OSPF to Filter the Routes to Be Advertised

Configuring OSPF to Filter the Routes to Be Advertised

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run ospf [ process-id ]

    The OSPF process view is displayed.

  3. Run filter-policy { acl-number | acl-name acl-name | ip-prefix ip-prefix-name | route-policy route-policy-name } export [ protocol [ process-id ] ]

    OSPF is configured to filter the routes imported using the import-route command. Only the routes that pass the filtering criteria are advertised.

    • The parameter acl-number specifies the number of a basic ACL.
    • The parameter acl-name acl-name specifies the name of an ACL.
    • The parameter ip-prefix ip-prefix-name specifies the name of an IP prefix list.
    • The parameter route-policy route-policy-name specifies the name of a routing policy.

    To filter the routes of a specific routing protocol or process, specify the parameter protocol [ process-id ]. If this parameter is not specified, OSPF filters all the imported routes.

    NOTE:
    • The import-route command cannot be used to import external default routes.
    • Only for the external routes passing the filtering criteria, OSPF generates Type 5 LSAs to advertise the routes.

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Updated: 2019-04-08

Document ID: EDOC1100066165

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