3Com Switch 8800 Family Command Reference Guide

572 CHAPTER 31: IGMP SNOOPING CONFIGURATION COMMANDS
Received IGMP specific query packet(s) number:2.
Received IGMP V1 report packet(s) number:2.
Received IGMP V2 report packet(s) number:0.
Received IGMP leave packet(s) number:3.
Received error IGMP packet(s) number:0.
Sent IGMP specific query packet(s) number:5.
The information above shows that:
IGMP Snooping receives:
■ 1 IGMP general query packets
■ 2 IGMP group-specific query packets
■ 2 IGMP v1 report packets
■ 0 IGMP v2 report packets
■ 3 IGMP leave packets
■ 0 IGMP error packets
IGMP Snooping sends:
■ 5 IGMP group-specific query packets
igmp-snooping Syntax
igmp-snooping { enable | disable }
View
System view, VLAN view
Parameter
enable: Enables IGMP Snooping.
disable: Disables IGMP Snooping;
Description
Use the igmp-snooping enable command to enable IGMP Snooping.
Use the igmp-snooping disable command to disable IGMP Snooping.
By default, the switch disables IGMP Snooping.
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CAUTION:
■ When configuring IGMP Snooping, first enable global IGMP Snooping in
system view, and then enable IGMP Snooping in VLAN view. Otherwise the
IGMP Snooping function will not take effect.
■ If the VLAN VPN is enabled on a port, the IGMP Snooping feature cannot be
enabled on the VLAN for the port or the IGMP feature cannot be enabled on
the corresponding VLAN interface.
■ If IGMP Snooping feature is enabled on a VLAN, or IGMP is enabled on the
VLAN interface, you cannot add the member port on which VLAN VPN is
enabled into the VLAN.