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Configuration Guide - IP Multicast

CloudEngine 8800, 7800, 6800, and 5800 V200R005C00

This document describes the configurations of IP multicast, including IP multicast basics, IGMP, MLD, PIM (IPv4), PIM (IPv6), MSDP, multicast VPN, multicast route management (IPv4), multicast route management (IPv6), IGMP snooping, MLD snooping, static multicast MAC address, multicast VLAN, multicast network management.
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User Hosts in the User VLAN Fail to Receive Multicast Data

User Hosts in the User VLAN Fail to Receive Multicast Data

Fault Description

After VLAN-based multicast VLAN replication is configured, user hosts in the user VLAN cannot receive multicast data.

Procedure

  • Check whether multicast VLAN replication is correctly configured.

    Run the display multicast vlan mvlan [ vlan-id ] command to check whether the user VLAN is bound to a correct multicast VLAN.

    • If the user VLAN is not bound to a correct multicast VLAN, run the multicast vlan user-vlan command to bind VLANs correctly.
    • If the user VLAN is bound to a correct multicast VLAN, check whether other Layer 2 multicast configurations conflict.
      The following information shows that user VLANs 100 and 200 are bound to multicast VLAN 10 correctly.
      <HUAWEI> display multicast vlan mvlan 5 
       Multicast-vlan         : 10                                                                                                         
       User-vlan Number       : 2                                                                                                         
       IGMP snooping state    : Enable                                                                                                    
       User-vlan              Snooping-state                                                                                              
       -----------------------------------------------                                                                                    
       100                    IGMP Enable                                                                                                 
       200                    IGMP Enable                                                                                                
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Updated: 2019-04-20

Document ID: EDOC1100039595

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