3Com Switch 4200G Configuration Guide

IGMP Snooping Configuration 255
Multicast VLAN is mainly used in Layer 2 switching, but you must make corresponding
configuration on the Layer 3 switch.
Table 227 Configure multicast VLAN on Layer 3 switch
Operation Command Description
Enter system view system-view —
Create a VLAN and
enter the VLAN view
vlan vlan-id vlan-id is a VLAN ID.
Exit the VLAN view quit —
Create a VLAN interface
and enter the VLAN
interface view
interface vlan-interface vlan-id —
Enable IGMP igmp enable Required
Exit the VLAN interface
view
quit —
Enter the view of the
Ethernet port connected
to the Layer 2 switch
interface interface-type
interface-number
—
Define the port as a
trunk or hybrid port
port link-type { trunk | hybrid } Required
Specify the VLANs to be
allowed to pass through
the Ethernet
port hybrid vlan vlan-id-list
{ tagged | untagged }
Required
The multicast VLAN defined on the
Layer 2 switch must be included
and set as tagged.
port trunk pvid vlan vlan-id
Table 228 Configure multicast VLAN on Layer 2 switch
Operation Command Description
Enter system view system-view —
Enable IGMP Snooping
globally
igmp-snooping enable Required
Enter VLAN view vlan vlan-id vlan-id is a VLAN ID.
Enable IGMP Snooping
on the VLAN
igmp-snooping enable Required
Enable multicast VLAN service-type multicast Required
Exit the VLAN view quit —
Enter the view of the
Ethernet port connected
to the Layer 3 switch
interface interface-type
interface-number
—
Define the port as a
trunk or hybrid port
port link-type { trunk | hybrid } —
Specify the VLANs to be
allowed to pass through
the Ethernet
port hybrid vlan vlan-id-list
{ tagged | untagged }
The multicast VLAN must be
included and set as tagged.
port trunk pvid vlan vlan-id
Enter the view of the
Ethernet port connected
to a user device
interface interface-type
interface-number
interface-type interface-number are
the interface type and interface
number.
Exit the current view quit —
Define the port as a
hybrid port
port link-type hybrid Required
Specify the VLANs to be
allowed to pass the port
port hybrid vlan vlan-id-list
{ tagged | untagged }
Required
The multicast VLAN must be
included and set as untagged.