H3C S7500 Series Ethernet Switches Command Manual

Table Of Contents
Command Manual – Multicast
H3C S7500 Series Ethernet Switches
Chapter 2 IGMP Snooping Configuration
Commands
2-6
Note:
z This feature is applicable to only IGMPv2-enabled clients.
z When this feature is enabled, if one of the multiple users on a port leaves, the
multicast services for the other users in the same multicast group may be
interrupted.
Examples
# Enable the IGMP fast leave feature on Ethernet1/0/1.
<H3C> system-view
System View: return to User View with Ctrl+Z.
[H3C] interface Ethernet 1/0/1
[H3C-Ethernet1/0/1] igmp-snooping fast-leave
2.1.7 igmp-snooping group-limit
Syntax
igmp-snooping group-limit limit [ vlan vlan-list [ overflow-replace ] |
overflow-replace ]
undo igmp-snooping group-limit [ vlan vlan-list ]
View
Ethernet port view
Parameters
limit: Maximum number of multicast groups the port can join, in the range of 1 to 256.
overflow-replace: Permits a new multicast group to replace an existing multicast
group. The multicast group with the lowest IP address is replaced preferentially.
vlan-list: Multiple VLANs in the form of vlan-list = { vlan-id [ to vlan-id ] } & < 1-10 >. The
vlan-id argument is the ID of a VLAN, in the range of 1 to 4094. &<1-10> means that
you can provide this argument repeatedly for up to ten times.
Description
Use the igmp-snooping group-limit command to define the maximum number of
multicast groups the port can join.
Use the undo igmp-snooping group-limit command to restore the default setting.
By default, there is no limit on the number of multicast groups the port can join.