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NE40E V800R010C10SPC500 Configuration Guide - IP Multicast 01

This is NE40E V800R010C10SPC500 Configuration Guide - IP Multicast
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Configuring IGMP Dual-Device Hot Backup in a VRRP Active-Active Scenario (Binding a Multicast Service Interface to an mVRRP Backup Group)

Configuring IGMP Dual-Device Hot Backup in a VRRP Active-Active Scenario (Binding a Multicast Service Interface to an mVRRP Backup Group)

If a node or link fails on an IGMP dual-device hot backup network, a rapid multicast service switchover is triggered, improving service reliability. This section describes how to configure IGMP dual-device hot backup in a VRRP active-active scenario.

Prerequisites

A VRRP backup group has been configured using the vrrp vrid virtual-router-id [ virtual-ip virtual-address ] command, and the group has been configured as an mVRRP backup group using the admin-vrrp vrid virtual-router-id [ ignore-if-down ] command.

Context

In a VRRP active-active scenario, both the master and backup devices in a VRRP backup can receive IGMP messages, but only the master device can send multicast traffic to downstream devices. Such implementation facilitates multicast service control and management and improves multicast service reliability.

To configure IGMP dual-device hot backup in a VRRP active-active scenario, perform the following steps on the devices in the same VRRP backup group.

Procedure

  1. Configure an interface monitoring group and a BFD session.
    1. Run system-view

      The system view is displayed.

    2. Run monitor-group monitor-group-name

      An interface monitoring group is created, and the group view is displayed.

    3. Run monitor enable

      The monitoring function is enabled for the interface monitoring group.

    4. Run binding interface

      The interface to be monitored is added to the interface monitoring group.

    5. Run quit

      Return to the system view.

    6. Run bfd session-name bind peer-ip ip-address

      A BFD session is created to monitor a specified peer.

    7. Run discriminator

      Local and remote discriminators are set.

    8. Run quit

      Return to the system view.

  2. Configure rapid service link switching.
    1. Run multicast routing-enable

      IP multicast routing is enabled.

    2. Run interface interface-type interface-number

      The interface view is displayed.

    3. Run pim sm

      PIM-SM is enabled on the interface.

    4. Run igmp enable

      IGMP is enabled.

    5. (Only on the interface that connects the backup device to the master device) Run vrrp vrid virtual-router-id track bfd-session { bfd-session-id | session-name bfd-configure-name } [ increased value-increased | [ reduced priority-value ] ]

      The mVRRP backup group is enabled to track the BFD session.

    6. (On the interface that connects the master and backup devices) Run vrrp vrid track monitor-group virtual-router-id track monitor-group [ monitor-group-name ] failure-ratio failure-ratio-value [ link | [ reduced priority-value ] ]

      The mVRRP backup group is enabled to track the interface monitoring group.

    7. (On the interface that connects to a downstream device) Run multicast track admin-vrrp interface interface-type interface-number vrid vrid-value

      The multicast service interface is bound to the mVRRP backup group.

    8. (On the interface that connects to a downstream device) Run pim ignore dr-state

      The interface is enabled to ignore the PIM DR state.

    9. (On the interface that connects to a downstream device) Run pim ignore assert-state

      The interface is enabled to ignore the PIM Assert state.

    10. (On the interface that connects to a downstream device) Run quit

      Return to the system view.

    11. (Optional) Run multicast rui enhancement protocol port

      A UDP port number is set for dual-device hot backup enhancement.

    12. Run commit

      The configuration is committed.

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Updated: 2019-01-03

Document ID: EDOC1100055017

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