Command Reference Guide

3Com Router 5000 Family and Router 6000 Family igmp group-policy ● 57
Command Reference
igmp group-policy
Purpose Use the igmp group-policy command to set the filter of multicast groups on an
interface to control the accessing to the IP multicast groups.
Use the undo igmp group-policy command to remove the filter configured.
Syntax igmp group-policy acl-number [ 1 | 2 ]
undo igmp group-policy
Parameters acl-number
Number of basic IP ACL, defining the range of a
multicast group. Valie values are 2000 to 2999.
1
IGMP Version 1.
2
IGMP Version 2. If IGMP version is not specified, IGMP
Version 2 is used by default.
Default By default, no filter is configured, that is, a host can join any multicast group.
Example Permit the hosts on the interface Ethernet1/0/0 to join multicast group 225.1.1.1
only.
[3Com] acl number 2005
[3Com-acl-basci-2005] rule permit source 225.1.1.1 0
[3Com-acl-basci-2005] quit
[3Com] interface ethernet 1/0/0
[3Com-Ethernet1/0/0] igmp group-policy 2005
View This command can be used in the following views:
■ Interface view
Description If you do not want the hosts on the network that the interface is on to join some
multicast groups and receive the packets from the multicast groups, you can use this
command to limit the range of the multicast groups served by the interface.
Related Command igmp host-join