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CLI-based Configuration Guide - IP Multicast

AR120, AR150, AR160, AR200, AR1200, AR2200, AR3200, and AR3600 V200R007

This document describes the principles and configurations of IP multicast, and provides configuration examples.
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Configuring Basic PIM-DM Functions

Configuring Basic PIM-DM Functions

Pre-configuration Tasks

Before configuring basic PIM-DM functions, configure a unicast routing protocol to ensure normal unicast routing on the network.

Context

PIM-DM and PIM-SM cannot be enabled simultaneously in the public network instance or VPN instance.

It is recommended that you enable PIM-DM on all interfaces on a PIM-DM network, so that the interfaces can establish neighbor relationships with all connected PIM devices.

If PIM-DM and Internet Group Management Protocol (IGMP) need to be enabled on the same interface, enable PIM-DM, and then enable IGMP.

Procedure

  • Enable PIM-DM for a public network instance.
    1. Run:

      system-view

      The system view is displayed.

    2. Run:

      multicast routing-enable

      IP multicast routing is enabled.

    3. Run:

      interface interface-type interface-number

      The interface view is displayed.

    4. Run:

      pim dm

      PIM-DM is enabled.

  • Enable PIM-DM for a VPN instance.

    A VPN instance must exist before you enable PIM-DM in the VPN instance.

    1. Run:

      system-view

      The system view is displayed.

    2. Run:

      ip vpn-instance vpn-instance-name

      The VPN instance view is displayed.

    3. Run:

      multicast routing-enable

      IP multicast routing is enabled.

    4. Run:

      quit

      Return to the system view.

    5. Run:

      interface interface-type interface-number

      The interface view is displayed.

    6. Run:

      ip binding vpn-instance vpn-instance-name

      The interface is associated with a specified VPN instance.

    7. Run:

      pim dm

      PIM-DM is enabled.

Checking the Configuration

After PIM-DM is enabled on all the interfaces in a PIM domain, use the following commands to check information about PIM interfaces, PIM neighbors, and PIM routing entries.

  • Run the display pim [ vpn-instance vpn-instance-name | all-instance ] interface [ interface-type interface-number | up | down ] [ verbose ] command to check PIM information on an interface.

  • Run the display pim [ vpn-instance vpn-instance-name | all-instance ] neighbor [ neighbor-address | interface interface-type interface-number | verbose ] * command to check information about PIM neighbors.

  • Run the following commands to check the PIM routing table:

    • Run the display pim [ vpn-instance vpn-instance-name | all-instance ] routing-table [ group-address [ mask { group-mask-length | group-mask } ] | source-address [ mask { source-mask-length | source-mask } ] | incoming-interface { interface-type interface-number | register } | outgoing-interface { include | exclude | match } { interface-type interface-number | register | none } | mode { dm | sm | ssm } | flags flag-value | fsm ] * [ outgoing-interface-number [ number ] ] command to check detailed information about the PIM routing table.

    • Run the display pim [ vpn-instance vpn-instance-name | all-instance ] routing-table brief [ group-address [ mask { group-mask-length | group-mask } ] | source-address [ mask { source-mask-length | source-mask } ] | incoming-interface { interface-type interface-number | register } ] * command to check brief information about the PIM routing table.

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Updated: 2019-06-12

Document ID: EDOC1000097181

Views: 17632

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