Edge-Core ES4626 User Manual page 641

includes ports 1, 2, 6, 10 and 12. Four hosts are connected to port 2, 6, 10, 12
respectively and the multicast router is connected to port 1. As IGMP Snooping is
disabled by default either in the switch or in the VLANs, If IGMP Snooping should be
enabled in VLAN 100, the IGMP Snooping should be first enabled for the switch in Global
Mode and in VLAN 100 and set port 1 of VLAN 100 to be the M-Router port.
The configuration steps are listed below:
Switch#config
Switch(C onfig)#ip igmp snooping
Switch(C onfig)#ip igmp snooping vlan 100
Switch(C onfig)#ip igmp snooping vlan 100 mrouter interface ethernet 1/1
Multicast Configuration
Suppose two programs are provided in the Multicast Server using multicast address
Group1 and Group2, three of four hosts running multicast applications are connected to
port 2, 6, 10 plays program1, while the host is connected to port 12 plays program 2.
IGMP Snooping listening result:
The multicast table built by IGMP Snooping in VLAN 100 indicates ports 1, 2, 6, 10 in
Group1 and ports 1, 12 in Group2.
All the four hosts can receive the program of their choice: ports 2, 6, 10 will not receive
the traffic of program 2 and port 12 will not receive the traffic of program 1.
Scenario 2. IGMP Query
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