ZyXEL Communications VDSL SWITCH VES-1616F-3X, User Manual

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Chapter 21 Multicast
VES-1616F-3x Series User’s Guide
147
Figure 57 Multicast
The following table describes the labels in this screen.
Table 49 Multicast
LABEL DESCRIPTION
IGMP Snooping
Active Select Active to enable IGMP snooping to forward group multicast traffic only to
ports that are members of that group
Host Timeout Specify the time (from 1 to 16,716,450) in seconds that elapses before the switch
removes an IGMP group membership entry if it does not receive report messages
from the host.
Leave
Timeout
Enter an IGMP leave timeout value (from 1 to 16,716,450) in seconds. This
defines how many seconds the switch waits before removing an IGMP snooping
membership entry when an IGMP leave message is received from a host.
802.1p Priority Select a priority level (0-7) to which the switch changes the priority in outgoing
IGMP control packets. Otherwise, select No-Change to not replace the priority.
IGMP Filtering Select Active to enable IGMP filtering to limit the IGMP groups a subscriber on a
port can join.
Unknown
Multicast Frame
Specify the action to perform when the switch receives an unknown multicast
frame. Select Drop to discard the frame(s). Select Flooding to send the frame(s)
to the destination device.
Port This field displays the port number.
Immed. Leave Select this option to set the switch to remove this port from the multicast tree when
an IGMP version 2 leave message is received on this port.
Select this option if there is only one host connected to this port.
Group Limited Select this option to limit the number of multicast groups this port is allowed to join.
Max Group Num. Select this option and enter a number to limit the number of multicast groups this
port is allowed to join. Once a port is registered in the specified number of
multicast groups, any new IGMP join report frame(s) is dropped on this port.
IGMP Filtering
Profile
Select the name of the IGMP filtering profile to use for this port.