ZyXEL Communications NBG4615 User Manual page 161

IGMP (Internet Group Multicast Protocol) is a network-layer protocol used to establish membership
in a multicast group - it is not used to carry user data.
Click Network > WAN > IGMP Snooping. The screen appears as shown.
Figure 101 Network > WAN > IGMP Snooping
The following table describes the labels in this screen.
Table 63 Network > WAN > IGMP Snooping
LABEL
Enable IGMP Snooping
Apply
Cancel
NBG4615 User's Guide
DESCRIPTION
Select this option to have the NBG4615 use IGMP snooping.
Check the LAN port/s to which IGMP snooping applies.
Click Apply to save your changes back to the NBG4615.
Click Cancel to begin configuring this screen afresh.
Chapter 17 WAN
161