3Com 4510G - Multicast VLAN Configuration Task List; Configuring Sub-VLAN-Based Multicast VLAN; Configuration Prerequisites

3-3
z For information about IGMP Snooping, router ports, and member ports, refer to IGMP Snooping
Configuration in the IP Multicast Volume.
z For information about VLAN tags, refer to VLAN Configuration in the Access Volume.
Multicast VLAN Configuration Task List
Complete the following tasks to configure multicast VLAN:
Task Remarks
Configuring Sub-VLAN-Based Multicast VLAN
Configuring User Port Attributes
Configuring Port-Based
Multicast VLAN
Configuring Multicast VLAN Ports
Required
Use either approach.
If you have configured both sub-VLAN-based multicast VLAN and port-based multicast VLAN on a
device, the port-based multicast VLAN configuration is given preference.
Configuring Sub-VLAN-Based Multicast VLAN
Configuration Prerequisites
Before configuring sub-VLAN-based multicast VLAN, complete the following tasks:
z Create VLANs as required
z Enable IGMP Snooping in the VLAN to be configured as a multicast VLAN
Configuring Sub-VLAN-Based Multicast VLAN
In this approach, you need to configure a VLAN as a multicast VLAN, and then configure user VLANs
as sub-VLANs of the multicast VLAN.
Follow these steps to configure sub-VLAN-based multicast VLAN:
To do… Use the command… Remarks
Enter system view system-view —
Configure the specified VLAN
as a multicast VLAN and enter
multicast VLAN view
multicast-vlan vlan-id
Required
Not a multicast VLAN by
default
Configure the specified
VLAN(s) as sub-VLAN(s) of the
multicast VLAN
subvlan vlan-list
Required
By default, a multicast VLAN
has no sub-VLANs.