Igmp Group-Policy - 3Com 7750 Series Command Reference Manual

3Com Switch 7750 Series
Command Reference Guide – Multicast
By default, 256 IGMP groups are added to a VLAN interface.
The new configuration overwrites the old one if you run the command for a second
time.
Caution:
New groups cannot be added when the number of IGMP multicast groups has
exceeded the configured limit.
If the number of existing multicast groups on the interface is more than the
configured limit, the system will remove some old groups automatically to satisfy the
configured limit.
Example
# Limit the maximum number of IGMP groups on Vlan-interface10 to 100.
<3Com> system-view
System View: return to User View with Ctrl+Z.
[3Com] interface Vlan-interface 10
[3Com-Vlan-interface10] igmp group-limit 100

4.1.5 igmp group-policy

Syntax
igmp group-policy acl-number [ 1 | 2 | port interface-list ]
undo igmp group-policy [ port interface-list ]
View
VLAN interface view
Parameter
acl-number: Number of the basic IP access control list number, defining a multicast
group range. The value ranges from 2000 to 2999.
1: IGMP version 1.
2: IGMP version 2. If IGMP version is not specified, version 2 will be used by default.
port: Limits the IGMP packets passing the port and matching with the ACL rules.
interface-list: Forwarding port list in the form of interface-list = { interface-type
interface-number [ to { interface-type interface-number } ] }&<1-10>. The interface-type
argument refers to the port type, and the interface-number argument refers to the port
number. For the meanings and ranges of the two arguments, refer to the parameter
descriptions in part "Port Basic Configuration" in this manual.
Chapter 4 IGMP Configuration Commands
4-5