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Configuration Guide - IP Unicast Routing

CloudEngine 8800, 7800, 6800, and 5800 V200R005C10

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, and PBR.
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Configuring P2MP Network Attributes

Configuring P2MP Network Attributes

Procedure

  1. Disable OSPF from checking the network mask in a packet.
    1. Run system-view

      The system view is displayed.

    2. Run interface interface-type interface-number

      The interface view is displayed.

    3. 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.

      The mode switching function takes effect when the interface only has attribute configurations (for example, shutdown and description configurations). Alternatively, if configuration information supported by both Layer 2 and Layer 3 interfaces exists (for example, mode lacp and lacp system-id configurations), no configuration that is not supported after the working mode of the interface is switched can exist. If unsupported configurations exist on the interface, delete the configurations first and then run the undo portswitch command.

      NOTE:

      If many Ethernet interfaces need to be switched to Layer 3 mode, run the undo portswitch batch interface-type { interface-number1 [ to interface-number2 ] } &<1-10> command in the system view to switch these interfaces to Layer 3 mode in batches.

    4. Run ospf network-type p2mp

      The network type of the OSPF interface is configured.

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

    5. Run ospf p2mp-mask-ignore

      OSPF is disabled from checking the network mask in a packet on the P2MP network.

    6. Run commit

      The configuration is committed.

  2. Configure the switch to filter the LSAs to be sent.

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

    1. Run quit

      The system view is displayed.

    2. Run ospf [ process-id ]

      The OSPF process view is displayed.

    3. 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 LSAs to be sent on the P2MP network.

      By default, a device does not filter the LSAs to be sent.

    4. Run commit

      The configuration is committed.

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Updated: 2019-04-20

Document ID: EDOC1100074760

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