3Com 4210 9-Port Configuration Manual page 282

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 Ethernet1/0/1.
<RouterA> system-view
[RouterA] multicast routing-enable
[RouterA] interface Ethernet 1/0/1
[RouterA-Ethernet1/0/1] igmp enable
[RouterA-Ethernet1/0/1] 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 Ethernet1/0/1 through Ethernet1/0/4 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
# View the detailed information of the multicast group in VLAN 100 on Switch A.
<SwitchA> display igmp-snooping group
Total 1 IP Group(s).
Total 1 MAC Group(s).
Vlan(id):100.
Total 1 IP Group(s).
Total 1 MAC Group(s).
Static Router port(s):
Dynamic Router port(s):
IP group(s):the following ip group(s) match to one mac group.
IP group address: 224.1.1.1
Static host port(s):
Dynamic host port(s):
MAC group(s):
MAC group address: 0100-5e01-0101
Ethernet1/0/1
Ethernet1/0/3
2-17
Ethernet1/0/4
Figure 2-3. The detailed