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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 an RP

Configuring an RP

Context

In the anycast rendezvous point (RP) application, configure RPs with the same address on multiple routers in a PIM-SM domain. Before configuring anycast RP on the devices in the PIM-SM domain, configure a loopback interface on each device and assign the same IP address to the loopback interfaces. Then configure these interfaces as static RPs or candidate rendezvous points (C-RPs).

  • If you configure a static RP, configure an RP on each router in the PIM-SM domain.
  • If you configure a dynamic RP, you only need to configure the dynamic RP on the router as the anycast RP.
NOTE:

After an RP is configured, advertise the IP address of the RP interface through unicast routes to ensure that each router on the network has a reachable route to the RP interface.

Procedure

  1. Run:

    system-view

    The system view is displayed.

  2. Run:

    interface loopback interface-number

    The loopback interface view is displayed.

  3. Run:

    ip address ip-address { mask | mask-length }

    An IP address is configured for the loopback interface.

  4. (For a dynamic RP) Run:

    pim sm

    PIM-SM is enabled on the RP interface.

    Before configuring a dynamic RP, run this command. This command is not required if you configure a static RP.

  5. Run:

    quit

    Return to the system view.

  6. Run:

    pim [ vpn-instance vpn-instance-name ]

    The PIM view is displayed.

  7. Configure the loopback interface address as a static RP address or a C-RP address.

    • Configure a static RP.

      Run:

      static-rp rp-address

      The loopback interface address is configured as a static RP address.

    • Configure a dynamic RP.

      NOTE:

      When configuring dynamic RP, configure candidate bootstrap routers (C-BSRs). When configuring MSDP-based anycast RP, ensure that the addresses of the C-BSR and the C-RP are different. For details on how to configure the C-BSR, see Configuring a C-BSR.

      Run:

      c-rp loopback interface-number

      The loopback interface address is configured as a C-RP address.

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Updated: 2019-06-12

Document ID: EDOC1000097181

Views: 17162

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