Multicast
Defining Unregistered Multicast Settings
Cisco Small Business 200, 300 and 500 Series Managed Switch Administration Guide (Internal Version)  267
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You can select a port to receive or filter unregistered Multicast streams. The 
configuration is valid for any VLAN of which it is a member (or will be a member).
This feature ensures that the customer receives only the Multicast groups 
requested and not others that may be transmitted in the network. 
To define unregistered Multicast settings:
STEP 1 Click Multicast > Unregistered Multicast.
STEP  2 Define the following:
• Interface Type equals to—The view as all ports or all LAGs. 
• Port/LAG—Displays the port or LAG ID.
• Unregistered Multicast—Displays the forwarding status of the selected 
interface. The possible values are:
- Forwarding—Enables forwarding of unregistered Multicast frames to the 
selected interface. 
- Filtering—Enables filtering (rejecting) of unregistered Multicast frames to 
the selected interface.
STEP  3 Click Apply. The settings are saved, and the Running Configuration file is updated.