ZyXEL Communications ES-2024 Series - Page 160

Chapter 21 Multicast
ES-2024 Series User’s Guide
160
Host Timeout Specify the time (from 1 to 16,711,450) in seconds that elapses before
the Switch removes an IGMP group membership entry if it does not
receive report messages from the port.
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 control which IGMP groups a
subscriber on a port can join.
Note: If you enable IGMP filtering, you must create and assign
IGMP filtering profiles for the ports that you want to allow to
join multicast groups.
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.
* Settings in this row apply to all ports.
Use this row only if you want to make some settings the same for all
ports. Use this row first to set the common settings and then make
adjustments on a port-by-port basis.
Note: Changes in this row are copied to all the ports as soon as
you make them.
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.
Enter the number (0-255) 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.
Otherwise, select Default to prohibit the port from joining any
multicast group.
You can create IGMP filtering profiles in the Multicast > Multicast
Setting > IGMP Filtering Profile screen.
Table 44 Advanced Application > Multicast > Multicast Setting (continued)
LABEL DESCRIPTION