Operation Manual – Multicast
H3C S3100 Series Ethernet Switches Chapter 2 IGMP Snooping Configuration
2-20
[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):
Ethernet1/0/1
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):
Ethernet1/0/3 Ethernet1/0/4
MAC group(s):
MAC group address: 0100-5e01-0101
Host port(s):Ethernet1/0/3 Ethernet1/0/4
As shown above, the multicast group 224.1.1.1 is established on Switch A, with the
dynamic router port Ethernet1/0/1 and dynamic member ports Ethernet1/0/3 and
Ethernet1/0/4. This means that Host A and Host B have joined the multicast group
224.1.1.1.
2.4.2 Configuring Multicast VLAN
I. Network requirements
As shown in Figure 2-4, Workstation is a multicast source. Switch A forwards multicast
data from the multicast source. A Layer 2 switch, Switch B forwards the multicast data
to the end users Host A and Host B.
Table 2-21 describes the network devices involved in this example and the
configurations you should make on them.
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