Configuring Multicast Forwarding
Multicast Router Port
Cisco Small Business 300 Series Managed Switch Administration Guide 161
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To query for a IP Multicast group:
STEP 1 Click Multicast > IGMP/MLD IP Multicast Group. The IGMP/MLD IP Multicast
Group Page opens.
STEP 2 Set the type of snooping group for which to search: IGMP or MLD.
STEP 3 Enter some or all of following query filter criteria:
• Group Address equals to—Defines the Multicast group MAC address or IP
address to query.
• Source Address equals to—Defines the sender address to query.
• VLAN ID equals to—Defines the VLAN ID to query.
STEP 4 Click Go. The following fields are displayed for each Multicast group:
• VLAN—The VLAN ID.
• Group Address—The Multicast group MAC address or IP address.
• Source Address—The sender address for all of the specified group ports.
• Included Ports—The list of ports to where the corresponding multicast
stream is forwarded.
• Excluded Ports—The list of ports not included in the group.
• Compatibility Mode—The oldest IGMP/MLD version of registration from the
hosts the switch receives on the IP group address.
Multicast Router Port
A Multicast router (Mrouter) port is a port that connects to a Multicast router. The
switch includes the multicast router port(s) when it forwards the multicast streams
and IGMP/MLD registration messages. This is required in order for all the multicast
routers can in turn forward the multicast streams and propagate the registration
messages to other subnets.
On this page, it is possible to statically configure or dynamically detect which
ports are connected to Mrouters.
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