3Com Switch 7750 Series
Command Reference Guide – Multicast Chapter 4 IGMP Configuration Commands
4-4
undo igmp enable
View
VLAN interface view
Parameter
None
Description
Use igmp enable command to enable IGMP on an interface.
Use the undo igmp enable command to disable IGMP on the interface.
By default, IGMP is disabled on a VALN interface. .
These commands do not take effect until the multicast routing feature is enabled. After
this configuration, start to configure other IGMP features.
Related command: multicast routing-enable.
Example
# Enable IGMP on Vlan-interface 10.
<3Com> system-view
System View: return to User View with Ctrl+Z.
[3Com] interface Vlan-interface 10
[3Com-Vlan-interface10] igmp enable
4.1.4 igmp group-limit
Syntax
igmp group-limit limit
undo igmp group-limit
View
VALN interface view
Parameter
limit: Quantity of multicast groups, in the range of 0 to 256.
Description
Use the igmp group-limit command to limit the number of multicast groups on an
interface. The router does not process new packets when number of IGMP groups
exceeds the limit.
Use the undo igmp group-limit command to restore the default setting.