User guide

Provisioning the iMG/RG Basic Configurations with Sample Profiles
713
AlliedView NMS Administration Guide
FIGURE 7-41 Internet Routed NAT Service - Profile “Routed/all security” - NAT Tab
7.5.6 Video - Snooping
In Video - Snooping service, the iMAP uses the STB/MAC locking feature, so the iMAP tracks the STB usage. IGMP is enabled
in the iMAP so that it can track the joins/leaves via snooping.
Refer to Figure 7-38. Note that when video is set to NONE, all video streams go to all ports, so a 100 meg data stream must
be used. With snooping, the STB only gets the video stream it is requesting, which helps prevent blocking. This is especially
true when there are more than two STBs.