Multicast
Forward All
Cisco 500 Series Managed Switch Administration Guide 338
17
Forward All
The Forward All page enables configuring the ports and/or LAGs that are to
receive Multicast streams from a specific VLAN. This feature requires that Bridge
Multicast filtering in the Properties page be enabled. If it is disabled, then all
Multicast traffic is flooded to ports in the device.
You can statically (manually) configure a port to Forward All, if the devices
connecting to the port do not support IGMP and/or MLD.
IGMP or MLD messages are not forwarded to ports defined as Forward All.
NOTE The configuration affects only the ports that are members of the selected VLAN.
To define Forward All Multicast:
STEP 1 Click Multicast > Forward All.
STEP 2 Define the following:
• VLAN ID equals to—The VLAN ID the ports/LAGs are to be displayed.
• Interface Type equals to—Define whether to display ports or LAGs.
STEP 3 Click Go. The status of all ports/LAGs are displayed.
STEP 4 Select the port/LAG that is to be defined as Forward All by using the following
methods:
• Static—The port receives all Multicast streams.
• Forbidden—Ports cannot receive any Multicast streams, even if IGMP/MLD
snooping designated the port to join a Multicast group.
• None—The port is not currently a Forward All port.
STEP 5 Click Apply. The Running Configuration file is updated.
Unregistered Multicast
This feature can be used to ensure that the customer receives only the Multicast
groups requested (registered) and not others that may be transmitted in the
network (unregistered).
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