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ILTERING
15-12
Web – Click IGMP Snooping, IGMP Member Port Table. Specify the
interface attached to a multicast service (via an IGMP-enabled switch or
multicast router), indicate the VLAN that will propagate the multicast
service, specify the multicast IP address, and click Add. After you have
completed adding ports to the member list, click Apply.
Figure 15-5 IGMP Member Port Table
CLI – This example assigns a multicast address to VLAN 1, and then
displays all the known multicast services supported on VLAN 1.
Multicast VLAN Registration
Multicast VLAN Registration (MVR) is a protocol that controls access to a
single network-wide VLAN most commonly used for transmitting
multicast traffic (such as television channels or video-on-demand) across a
service provider’s network. Any multicast traffic entering an MVR VLAN
is sent to all attached subscribers. This protocol can significantly reduce to
processing overhead required to dynamically monitor and establish the
Console(config)#ip igmp snooping vlan 1 static 224.1.1.12
ethernet 1/12 33-3
Console(config)#exit
Console#show mac-address-table multicast vlan 1 33-8
VLAN M'cast IP addr. Member ports Type
---- --------------- ------------ -------
1 224.1.1.12 Eth1/12 USER
1 224.1.2.3 Eth1/12 IGMP