6-14Configuring simulated joining in Ethernet port viewFollow these steps to configure a port as a simulated group member:To do... Use the command... RemarksEnter system view system-view —Enter Ethernet port view interface interface-type interface-number —Configure the current port as asimulated multicast group memberigmp host-join group-address [ source-ipsource-address ] vlan vlan-idRequiredSimulated joining isdisabled by default.z Before configuring a simulated host, enable IGMP Snooping in VLAN view first.z The port to be configured must belong to the specified VLAN; otherwise the configuration does nottake effect.z You can use the source-ip source-address command to specify a multicast source address that theport will join as a simulated host. This configuration takes effect when IGMPv3 Snooping is enabledin the VLAN.Configuring a VLAN Tag for Query MessagesBy configuring the VLAN tag carried in IGMP general and group-specific queries forwarded and sent byIGMP Snooping switches, you can enable multicast packet forwarding between different VLANs In aLayer-2 multicast network environment.Follow these steps to configure VLAN tag for query message:To do... Use the command... RemarksEnter system view system-view —Configure a VLAN tag for querymessagesigmp-snooping vlan-mappingvlan vlan-idRequiredBy default, the VLAN tag in IGMPgeneral and group-specific querymessages is not changed.It is not recommended to configure this function while the multicast VLAN function is in effect.
