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3com 5500-ei pwr Installation Instruction

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19 
<SwitchA> display igmp-snooping group vlan100 
  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 has been registered on Switch A, with the dynamic 
router port Ethernet 1/0/1 and dynamic member ports Ethernet 1/0/3 and Ethernet 1/0/4. This means 
that Host A and Host B have joined the multicast group 224.1.1.1. 
Configuring Multicast VLAN 
Network requirements 
As shown in 
, 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.  
 describes the network devices involved in this example and the configurations you should 
make on them. 
Table 6-2 Network devices and their configurations 
Device 
Device description
Networking description 
Switch A 
Layer 3 switch 
The interface IP address of VLAN 20 is 168.10.1.1. Ethernet 
1/0/1 is connected to the workstation and belongs to VLAN 
20. 
The interface IP address of VLAN 10 is 168.10.2.1. Ethernet 
1/0/10 belongs to VLAN 10. Ethernet 1/0/10 is connected to 
Switch B. 
Switch B 
Layer 2 switch 
z 
VLAN 2 contains Ethernet 1/0/1 and VLAN 3 contains 
Ethernet 1/0/2.  
z 
The default VLANs of Ethernet 1/0/1 and Ethernet 1/0/2 
are VLAN 2 and VLAN 3 respectively.  
z 
VLAN 10 contains Ethernet 1/0/10, Ethernet 1/0/1, and 
Ethernet 1/0/2. Ethernet 1/0/10 is connected to Switch A. 
z 
VLAN 10 is a multicast VLAN. 
z 
Ethernet 1/0/1 sends untagged packets for VLAN 2 and 
VLAN 10. 
z 
Ethernet 1/0/2 sends untagged packets for VLAN 3 and 
VLAN 10.