3Com Switch 7750 Series
Command Reference Guide – Multicast Chapter 1 IGMP Snooping Configuration Commands
1-14
By default, no sub-VLAN is configured for a multicast VLAN.
Caution:
z A multicast VLAN cannot be configured as a multicast sub-VLAN.
z A multicast sub-VLAN cannot be configured as a multicast VLAN.
z A multicast sub-VLAN cannot be configured as the sub-VLAN of other multicast
VLANs.
z One multicast sub-VLAN is corresponding to only one multicast VLAN.
z If multicast routing is enabled on a VLAN interface, the corresponding VLAN cannot
be configured as a multicast VLAN.
Example
# Configure VLAN 2 to VLAN 5 as the sub-VLANs of the multicast VLAN 10.
<3Com> system-view
Enter system view, return to user view with Ctrl+Z
[3Com] igmp-snooping enable
[3Com] vlan 10
[3Com-vlan10] igmp-snooping enable
[3Com-vlan10] multicast-vlan enable
[3Com-vlan10] quit
[3Com] multicast-vlan 10 subvlan 2 to 5
1.1.15 reset igmp-snooping statistics Syntax
reset igmp-snooping statistics
View
User view
Parameter
None
Description
Use the reset igmp-snooping statistics command to clear IGMP Snooping statistics.
Related command: igmp-snooping.