H3C Technologies H3C WX6000 Series Access Controllers - Manual (Page 342)

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[AC-vlan100] igmp-snooping general-query source-ip 192.168.1.1
[AC-vlan100] igmp-snooping special-query source-ip 192.168.1.1
2) Configure Switch A
# Enable IGMP Snooping globally.
<Switch A> system-view
[Switch A] igmp-snooping
[Switch A-igmp-snooping] quit
# Create VLAN 100, add GigabitEthernet 0/0/1 through GigabitEthernet 0/0/3 to VLAN 100, and enable
IGMP Snooping in this VLAN.
[Switch A] vlan 100
[Switch A-vlan100] port GigabitEthernet 0/0/1 to GigabitEthernet 0/0/3
[Switch A-vlan100] igmp-snooping enable
3) Configuration on Switch B
# Enable IGMP Snooping globally.
<Switch B> system-view
[Switch B] igmp-snooping
[Switch B-igmp-snooping] quit
# Create VLAN 100, add GigabitEthernet 0/0/1 through GigabitEthernet 0/0/3 to VLAN 100, and enable
IGMP Snooping in this VLAN.
[Switch B] vlan 100
[Switch B-vlan100] port GigabitEthernet 0/0/1 to GigabitEthernet 0/0/3
[Switch B-vlan100] igmp-snooping enable
4) Verify the configuration
# View the IGMP message statistics on Switch B.
[Switch B-vlan100] display igmp-snooping statistics
Received IGMP general queries:3.
Received IGMPv1 reports:0.
Received IGMPv2 reports:4.
Received IGMP leaves:0.
Received IGMPv2 specific queries:0.
Sent IGMPv2 specific queries:0.
Received IGMPv3 reports:0.
Received IGMPv3 reports with right and wrong records:0.
Received IGMPv3 specific queries:0.
Received IGMPv3 specific sg queries:0.
Sent IGMPv3 specific queries:0.
Sent IGMPv3 specific sg queries:0.
Received error IGMP messages:0.
Switch B received IGMP general queries. This means that AC works as an IGMP-Snooping querier.
Troubleshooting IGMP Snooping Configuration
Switch Fails in Layer 2 Multicast Forwarding
Symptom
A switch fails to implement Layer 2 multicast forwarding.
Analysis
IGMP Snooping is not enabled.