Comtrend Corporation NexusLink 3120 User Manual page 194

F2.3 Bridging – IPv4
STEP 1: *Select the Bridging radio button and click Next.
Allow as IGMP Multicast Source
Click to allow use of this bridge WAN interface as IGMP multicast source.
Allow as MLD Multicast Source
Click to allow use of this bridge WAN interface as MLD multicast source.
*
For tagged service, enter valid 802.1P Priority and 802.1Q VLAN ID.
For untagged service, set -1 to both 802.1P Priority and 802.1Q VLAN ID
Select a TPID if VLAN tag Q-in-Q is used.
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