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S600-E V200R012C00 Configuration Guide - IP Multicast

This document describes the configurations of IP multicast, including IGMP snooping, MLD snooping, static multicast MAC address, multicast VLAN replication, controllable multicast, multicast network management.
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Example for Configuring a Static Interface to Implement Layer 2 Multicast

Example for Configuring a Static Interface to Implement Layer 2 Multicast

Networking Requirements

In Figure 2-7, the router connects to the user network through the Layer 2 switch on an IPv6 network. HostA, HostB, and HostC are the receivers. The user-side VLANIF interface of Router has static groups FF16::1 to FF16::5 configured and does not run MLD. HostA and HostB require to steadily receive data from FF16::1 to FF16::3 while HostC wants to steadily receive data from FF16::4 to FF16::5.

Figure 2-7  Network diagram for configuring a static interface to implement Layer 2 multicast

Configuration Roadmap

To meet the requirement, MLD snooping static router and member ports need to be configured on the Switch.

  1. Create a VLAN and add interfaces to the VLAN.
  2. Enable MLD snooping globally and in the VLAN.
  3. Configure a static router port.
  4. Configure a static member port.

Procedure

  1. Create VLAN 10 and add the interface to VLAN 10.

    <HUAWEI> system-view
    [HUAWEI] sysname Switch
    [Switch] vlan 10
    [Switch-vlan10] quit
    [Switch] interface gigabitethernet 0/0/1
    [Switch-GigabitEthernet0/0/1] port link-type hybrid
    [Switch-GigabitEthernet0/0/1] port hybrid pvid vlan 10
    [Switch-GigabitEthernet0/0/1] port hybrid untagged vlan 10
    [Switch-GigabitEthernet0/0/1] quit
    [Switch] interface gigabitethernet 0/0/2
    [Switch-GigabitEthernet0/0/2] port link-type hybrid
    [Switch-GigabitEthernet0/0/2] port hybrid pvid vlan 10
    [Switch-GigabitEthernet0/0/2] port hybrid untagged vlan 10
    [Switch-GigabitEthernet0/0/2] quit
    [Switch] interface gigabitethernet 0/0/3
    [Switch-GigabitEthernet0/0/3] port link-type hybrid
    [Switch-GigabitEthernet0/0/3] port hybrid pvid vlan 10
    [Switch-GigabitEthernet0/0/3] port hybrid untagged vlan 10
    [Switch-GigabitEthernet0/0/3] quit

  2. Enable MLD snooping globally and in VLAN 10.

    # Enable MLD snooping globally.

    [Switch] mld-snooping enable

    # Enable MLD snooping in VLAN 10.

    [Switch] vlan 10
    [Switch-vlan10] mld-snooping enable
    [Switch-vlan10] quit

  3. Configure a static router port.

    [Switch] interface gigabitethernet 0/0/3
    [Switch-GigabitEthernet0/0/3] mld-snooping static-router-port vlan 10
    [Switch-GigabitEthernet0/0/3] quit
    

  4. Configure a static member port.

    [Switch] interface gigabitethernet 0/0/1
    [Switch-GigabitEthernet0/0/1] mld-snooping static-group ff16::1 vlan 10
    [Switch-GigabitEthernet0/0/1] mld-snooping static-group ff16::2 vlan 10
    [Switch-GigabitEthernet0/0/1] mld-snooping static-group ff16::3 vlan 10
    [Switch-GigabitEthernet0/0/1] quit
    [Switch] interface gigabitethernet 0/0/2
    [Switch-GigabitEthernet0/0/2] mld-snooping static-group ff16::4 vlan 10
    [Switch-GigabitEthernet0/0/2] mld-snooping static-group ff16::5 vlan 10
    [Switch-GigabitEthernet0/0/2] quit
    

  5. Verify the configuration.

    # Check the router port on the Switch.

    [Switch] display mld-snooping router-port
     Total Number of Router Port on VLAN 10 is 1
       Port Name             UpTime          Expires         Flags
       GE0/0/3               00:00:06        --              STATIC
    

    The command output shows that GE0/0/3 has become a static router port.

    # Check the member port on the Switch.

    [Switch] display mld-snooping port-info vlan 10
    --------------------------------------------------------------------------------
                                 (Source, Group)  Port                          Flag
                                 Flag: S:Static    D:Dynamic
    --------------------------------------------------------------------------------
    VLAN 10, 5 Entry(s)                                                            
                         (*, ff16:0:0:0:0:0:0:1)  GE0/0/1                      S--
                                                              1 port(s)
                         (*, ff16:0:0:0:0:0:0:2)  GE0/0/1                      S--
                                                              1 port(s)
                         (*, ff16:0:0:0:0:0:0:3)  GE0/0/1                      S--
                                                              1 port(s)
                         (*, ff16:0:0:0:0:0:0:4)  GE0/0/2                      S--
                                                              1 port(s)
                         (*, ff16:0:0:0:0:0:0:5)  GE0/0/2                      S--
                                                              1 port(s)
    --------------------------------------------------------------------------------

    The command output shows that GE0/0/1 on the Switch joins multicast groups FF16::1 to FF16::3 and GE0/0/2 on the Switch has joined multicast groups FF16::4 to FF16::5.

    # Check the Layer 2 forwarding table on the Switch.

    [Switch] display mld-snooping forwarding-table vlan 10
    VLAN ID : 10, Forwarding Mode : IP                                         
    --------------------------------------------------------------------------------
                         (Source, Group)     Interface                  Out-Vlan
    --------------------------------------------------------------------------------
                             Router-port     GigabitEthernet0/0/3          10
                   (*, ff16:0:0:0:0:0:0:1)   GigabitEthernet0/0/1          10
                                             GigabitEthernet0/0/3          10
                   (*, ff16:0:0:0:0:0:0:2)   GigabitEthernet0/0/1          10
                                             GigabitEthernet0/0/3          10
                   (*, ff16:0:0:0:0:0:0:3)   GigabitEthernet0/0/1          10
                                             GigabitEthernet0/0/3          10
                   (*, ff16:0:0:0:0:0:0:4)   GigabitEthernet0/0/2          10
                                             GigabitEthernet0/0/3          10
                   (*, ff16:0:0:0:0:0:0:5)   GigabitEthernet0/0/2          10
                                             GigabitEthernet0/0/3          10
    --------------------------------------------------------------------------------
    Total Group(s) : 5

    The command output shows that multicast groups FF16::1 to FF16::5 have generated the forwarding table on the Switch.

Configuration Files

  • Switch configuration file

    #
    sysname Switch
    #
    vlan batch 10
    #
    mld-snooping enable
    #
    vlan 10
     mld-snooping enable
    #
    interface GigabitEthernet0/0/1
     port link-type hybrid
     port hybrid pvid vlan 10
     port hybrid untagged vlan 10
     mld-snooping static-group ff16:0:0:0:0:0:0:1 vlan 10 
     mld-snooping static-group ff16:0:0:0:0:0:0:2 vlan 10 
     mld-snooping static-group ff16:0:0:0:0:0:0:3 vlan 10 
    #
    interface GigabitEthernet0/0/2
     port link-type hybrid
     port hybrid pvid vlan 10
     port hybrid untagged vlan 10
     mld-snooping static-group ff16:0:0:0:0:0:0:4 vlan 10 
     mld-snooping static-group ff16:0:0:0:0:0:0:5 vlan 10 
    #
    interface GigabitEthernet0/0/3
     port link-type hybrid
     port hybrid pvid vlan 10
     port hybrid untagged vlan 10
     mld-snooping static-router-port vlan 10 
    #
    return
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Updated: 2018-09-01

Document ID: EDOC1100037948

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