A10E/A28E/A28F Configuration Guide
Alpha-A28E(config)#igmp snooping
Alpha-A28E(config)#igmp snooping vlan-list 10
Step 3 Configure the multicast router interface.
Alpha-A28E(config)#ip igmp snooping mrouter vlan 1 port 1
Checking result
Check whether IGMP Snooping configuration is correct.
Alpha-A28E#show ip igmp snooping
IGMP snooping: Enable
IGMP querier: Disable
IGMP snooping aging time: 300s
IGMP snooping active VLAN: 1-4094
IGMP snooping immediate-leave active VLAN: --
5.7.2 Example for configuring MVR and MVR Proxy
Networking requirements
As shown below, Port 1 of the switch connects with the multicast router, and Port 2 and Port 3
connect with users in different VLANs to receive data from multicast 234.5.6.7 and 225.1.1.1.
Configure MVR on the switch to designate VLAN 3 as a multicast VLAN, and then the
multicast data can only be copied one time in the multicast VLAN instead of copying for each
user VLAN, thus saving bandwidth.
Enabling MVR Proxy on the switch reduces communication between hosts and the multicast
router without implementing multicast functions.
When the PC and set-top box are added into the same multicast group, the switch receives two
IGMP Report packets and only sends one of them to the multicast router. The IGMP Query
packet sent by multicast will no longer be forwarded downstream, but the switch transmits
IGMP Query packet periodically.
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