ZyXEL Communications NetAtlas Workgroup - Manual (Page 155)

NetAtlas Workgroup Ethernet Switch Manager User’s Guide
155 Chapter 17 Multicast Configuration
17.2 Multicast Settings
To configure multicast settings, click Configuration > Multicast Configuration to display
the configuration screen.
Figure 106 Multicast Configuration: Multicast Settings
The following table describes the labels in this screen.
Table 80 Multicast Configuration: Multicast Settings
LABEL DESCRIPTION
IGMP Snooping Select Active to enable IGMP snooping to forward group multicast traffic only to
ports that are members of that group
IGMP Filtering Select Active to enable IGMP filtering to control which 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 all ports.
Port This field displays the port number.
Immed. Leave/
Group Limited
This field displays whether the switch is set to remove this port from the multicast
tree when an IGMP version 2 leave message is received on this port.
This field also displays whether the port is set to join a limited number of groups.
Max Group Num. This field displays 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
This field displays the name of the IGMP filtering profile this port uses.
The default profile (Default) prohibits the port from joining any multicast group.