7 multicast filter – Interlogix NS3500-28T-4S User Manual User Manual
Page 192
192
Buttons
: Click to apply changes.
Figure 4-7-35
IGMP Port Max Groups Information Page Screenshot
The page includes the following fields:
Object
Description
Port
The switch port number of the logical port.
Max Groups
Display the current Max groups.
Action
Display the current action.
4.7.7 Multicast Filter
In certain switch applications, the administrator may want to control the multicast services that are available to end
users. For example, an IP/TV service is based on a specific subscription plan. The multicast filtering feature fulfills this
requirement by restricting access to specified multicast services on a switch port.
Multicast filtering enables you to assign a profile to a switch port that specifies multicast groups that are permitted or
denied on the port. A multicast filter profile can contain one or more, or a range of multicast addresses; but only one
profile can be assigned to a port. When enabled, multicast join reports received on the port are checked against the
filter profile. If a requested multicast group is permitted, the multicast join report is forwarded as normal. If a requested
multicast group is denied, the multicast join report is dropped.
When you have created a Multicast profile number, you can then configure the multicast groups to filter and set the