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Configuration Guide - IP Unicast Routing

S7700 and S9700 V200R010C00

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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Configuring P2MP Network Attributes

Configuring P2MP Network Attributes

Procedure

  1. Disable OSPF from checking the network mask.
    1. Run:

      system-view

      The system view is displayed.

    2. Run:

      interface interface-type interface-number

      The interface view is displayed.

    3. (Optional) On an Ethernet interface, run undo portswitch

      The interface is switched to Layer 3 mode.

      By default, an Ethernet interface works in Layer 2 mode.

    4. Run:

      ospf network-type p2mp

      The network type of the OSPF interface is configured.

      A P2MP network is forcibly changed from another type of network. For details, see Configuring Network Types for OSPF Interfaces.

    5. Run:

      ospf p2mp-mask-ignore

      OSPF is disabled from checking the network mask on the P2MP network.

    6. Run:

      quit

      Exit from the interface view.

  2. (Optional) Set the cost for the OSPF route to a specified neighbor on a P2MP network.

    By default, the cost of an OSPF route to a neighbor equals the interface cost on a P2MP network. If this default cost is not suitable, run the p2mp-peer command to set a desired cost.

    1. Run:

      ospf [ process-id ] 

      The OSPF process view is displayed.

    2. Run:

      p2mp-peer ip-address cost cost

      A cost is set for an OSPF route to a specified neighbor on a P2MP network.

  3. Configure the switch to filter the LSA packets to be sent.

    When multiple links exist between two switches, you can configure the local switch to filter the LSA packets to be sent. This can reduce unnecessary LSA retransmission attempts and save bandwidth resources.

    1. Run:

      ospf [ process-id ]

      The OSPF process view is displayed.

    2. Run:

      filter-lsa-out peer ip-address { all | { summary [ acl { acl-number | acl-name } ] | ase [ acl { acl-number | acl-name } ] | nssa [ acl { acl-number | acl-name } ] } * }

      The local switch is configured to filter the LSA packets to be sent on the P2MP network.

      By default, the LSA packets to be sent are not filtered.

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Updated: 2019-08-21

Document ID: EDOC1000141900

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