3Com E4500-24 Cli Configuration Manual page 311

Network diagram
Figure 3-3 Network diagram for IGMP Snooping configuration
Source
Eth1/0/2
1.1.1.2/24
Router A
1.1.1.1/24
IGMP querier
Multicast packets
Configuration procedure
1) Configure the IP address of each interface
Configure an IP address and subnet mask for each interface as per
configuration steps are omitted.
2) Configure Router A
# Enable IP multicast routing, enable PIM-DM on each interface, and enable IGMP on Ethernet 1/0/1.
<RouterA> system-view
[RouterA] multicast routing-enable
[RouterA] interface Ethernet 1/0/1
[RouterA-Ethernet1/0/1] igmp enable
[RouterA-Ethernet1/0/1] pim dm
[RouterA-Ethernet1/0/1] quit
[RouterA] interface Ethernet 1/0/2
[RouterA-Ethernet1/0/2] pim dm
[RouterA-Ethernet1/0/2] quit
3) Configure Switch A
# Enable IGMP Snooping globally.
<SwitchA> system-view
[SwitchA] igmp-snooping enable
Enable IGMP-Snooping ok.
# Create VLAN 100, assign Ethernet 1/0/1 through Ethernet 1/0/4 to this VLAN, and enable IGMP
Snooping in the VLAN.
[SwitchA] vlan 100
[SwitchA-vlan100] port Ethernet 1/0/1 to Ethernet 1/0/4
[SwitchA-vlan100] igmp-snooping enable
[SwitchA-vlan100] quit
4) Verify the configuration
Receiver
Eth1/0/4
VLAN100
Eth1/0/1
10.1.1.1/24 Eth1/0/1
Switch A
Eth1/0/2
1-17
Host A
Receiver
Eth1/0/3
Host B
Host C
Figure 3-3. The detailed