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CLI-based Configuration Guide - IP Multicast

AR100, AR120, AR160, AR1200, AR2200, AR3200, and AR3600 V300R003

This document provides the basic concepts, configuration procedures, and configuration examples of the interfaces supported by the device.
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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 10-6, RouterA connects to the user network through RouterB on an IPv6 network. The user-side VLANIF interface of RouterA has static groups FF16::1 to FF16::5 configured and does not run MLD. HostA, HostB, HostC, and HostD are the receivers. HostA and HostB require to steadily receive data from FF16::1 to FF16::3 while HostC and HostD want to steadily receive data from FF16::4 to FF16::5.

Figure 10-6  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 configured on the RouterB.

  1. Create a VLAN and add interfaces to the VLAN.
  2. Enable MLD snooping globally and in a 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 RouterB
    [RouterB] vlan 10
    [RouterB-vlan10] quit
    [RouterB] interface ethernet 2/0/1
    [RouterB-Ethernet2/0/1] port hybrid pvid vlan 10
    [RouterB-Ethernet2/0/1] port hybrid untagged vlan 10
    [RouterB-Ethernet2/0/1] quit
    [RouterB] interface ethernet 2/0/2
    [RouterB-Ethernet2/0/2] port hybrid pvid vlan 10
    [RouterB-Ethernet2/0/2] port hybrid untagged vlan 10
    [RouterB-Ethernet2/0/2] quit
    [RouterB] interface ethernet 2/0/3
    [RouterB-Ethernet2/0/3] port hybrid pvid vlan 10
    [RouterB-Ethernet2/0/3] port hybrid untagged vlan 10
    [RouterB-Ethernet2/0/3] quit

  2. Enable MLD snooping globally and in VLAN 10.

    # Enable MLD snooping globally.

    [RouterB] mld-snooping enable

    # Enable MLD snooping in VLAN 10.

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

  3. Configure a static router port.

    [RouterB] interface ethernet 2/0/3
    [RouterB-Ethernet2/0/3] mld-snooping static-router-port vlan 10
    [RouterB-Ethernet2/0/3] quit
    

  4. Configure a static member port.

    [RouterB] interface ethernet 2/0/1
    [RouterB-Ethernet2/0/1] mld-snooping static-group ff16::1 vlan 10
    [RouterB-Ethernet2/0/1] mld-snooping static-group ff16::2 vlan 10
    [RouterB-Ethernet2/0/1] mld-snooping static-group ff16::3 vlan 10
    [RouterB-Ethernet2/0/1] quit
    [RouterB] interface ethernet 2/0/2
    [RouterB-Ethernet2/0/2] mld-snooping static-group ff16::4 vlan 10
    [RouterB-Ethernet2/0/2] mld-snooping static-group ff16::5 vlan 10
    [RouterB-Ethernet2/0/2] quit
    

  5. Verify the configuration.

    # Check the router port on the RouterB.

    [RouterB] display mld-snooping router-port vlan 10 
     Port Name                       UpTime        Expires       Flags
     ---------------------------------------------------------------------
     VLAN 10, 1 router-port(s)
     Ethernet2/0/3                   00:20:09      --            STATIC

    The command output shows that Eth2/0/3 becomes the static router port.

    # Check the member port on the RouterB.

    [RouterB] display mld-snooping port-info vlan 10
     -----------------------------------------------------------------------        
                         (Source, Group)    Port                   Flag        
      Flag: S:Static     D:Dynamic     M: Ssm-mapping                               
     -----------------------------------------------------------------------        
     VLAN 10, 5 Entry(s)                                                            
     (              *, ff16:0:0:0:0:0:0:1)  Ethernet2/0/1          S--
                                                    1 port(s)                       
     (              *, ff16:0:0:0:0:0:0:2)  Ethernet2/0/1          S--
                                                    1 port(s)                       
     (              *, ff16:0:0:0:0:0:0:3)  Ethernet2/0/1          S--
                                                    1 port(s)                       
     (              *, ff16:0:0:0:0:0:0:4)  Ethernet2/0/2          S--
                                                    1 port(s)                       
     (              *, ff16:0:0:0:0:0:0:5)  Ethernet2/0/2          S--
                                                    1 port(s)                       
     -----------------------------------------------------------------------        

    The command output shows that Eth2/0/1 on the RouterB joins multicast groups FF16::1 to FF16::3 and Eth2/0/2 on the RouterB joins multicast groups FF16::4 to FF16::5.

Configuration Files

  • RouterB configuration file

    #
     sysname RouterB
    #
    vlan batch 10
    #
    mld-snooping enable
    #
    vlan 10
     mld-snooping enable
    #
    interface Ethernet2/0/1
     port hybrid pvid vlan 10
     port hybrid untagged vlan 10
     mld-snooping static-group ff16::1 vlan 10 
     mld-snooping static-group ff16::2 vlan 10 
     mld-snooping static-group ff16::3 vlan 10 
    #
    interface Ethernet2/0/2
     port hybrid pvid vlan 10
     port hybrid untagged vlan 10
     mld-snooping static-group ff16::4 vlan 10 
     mld-snooping static-group ff16::5 vlan 10 
    #
    interface Ethernet2/0/3
     port hybrid pvid vlan 10
     port hybrid untagged vlan 10
     mld-snooping static-router-port vlan 10 
    #
    return
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Updated: 2019-03-06

Document ID: EDOC1100069332

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