Enabling PIM-SM

About enabling PIM-SM

With PIM-SM enabled on interfaces, devices can establish PIM neighbor relationship and process PIM messages from their PIM neighbors.

Restrictions and guidelines

As a best practice, enable PIM-SM on all non-border interfaces of devices when you deploy a PIM-SM domain.

Procedure

  1. Enter system view.

    system-view

  2. Enable IP multicast routing and enter MRIB view.

    multicast routing [ vpn-instance vpn-instance-name ]

    By default, IP multicast routing is disabled.

    For more information about this command, see IP Multicast Command Reference.

  3. Return to system view.

    quit

  4. Enter interface view.

    interface interface-type interface-number

  5. Enable PIM-SM.

    pim sm

    By default, PIM-SM is disabled.