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Configuration Guide - IP Multicast

S7700 and S9700 V200R010C00

This document describes IP multicast basics and how to configure IP multicast features, including IGMP/MLD, PIM (IPv4&IPv6), MSDP, multicast VPN, Layer 3 multicast CAC, Layer 2 multicast CAC, IGMP/MLD snooping, and multicast VLAN, IPv4&IPv6 multicast route management, static multicast MAC address, multicast network.
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(Optional) Associating IGMP Proxy with NQA

(Optional) Associating IGMP Proxy with NQA


Internet Group Management Protocol (IGMP) proxy lacks a fault detection mechanism to trigger link switchover quickly. Therefore, multicast services will be interrupted for a long time when a link failure occurs. You can solve this problem by associating IGMP proxy with a network quality analysis (NQA) test instance.

After IGMP proxy is associated with an NQA test instance, it can use the NQA test instance to monitor end-to-end link status. When the NQA test instance detects a link failure on the upstream interface, the switch with the IGMP proxy interface protection mode configured can trigger a switchover between the active/standby or active/active links quickly to minimize the communication interruption time.


  1. Run:


    The system view is displayed.

  2. Run:

    nqa test-instance admin-name test-name

    An NQA test instance is created and the test instance view is displayed.

  3. Run:

    test-type icmp

    The test type is set to ICMP.

  4. Run:

    destination-address ipv4 ipv4-address

    The destination IP address for the ICMP test instance is configured.

  5. Run:


    Return to the system view.

  6. Run:

    interface interface-type interface-number

    The upstream interface view is displayed.

  7. (Optional) 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.

  8. Run:

    igmp proxy track nqa admin-name test-name

    IGMP proxy is associated with the NQA test instance.

    By default, IGMP proxy on an interface is not associated with any NQA test instance.

    The preceding procedure provides the basic configuration of an ICMP test instance. For details about NQA test instance configurations, see NQA Configuration in the S7700 and S9700 V200R010C00 Configuration Guide - Network Management.

Updated: 2019-08-21

Document ID: EDOC1000141903

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