Igmp Blocking Screen - ZyXEL Communications NBG-419N v2 User Manual

13.6 IGMP Blocking Screen

Use this screen to enable IGMP blocking (snooping) if you have LAN users that subscribe to
multicast services.
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 Blocking. The screen appears as shown.
Figure 91 Network > WAN > IGMP Blocking
The following table describes the labels in this screen.
Table 58 Network > WAN > IGMP Blocking
LABEL
IGMP Block Setup
Enable IGMP
Block
Apply
Reset
NBG-419N v2 User's Guide
DESCRIPTION
Select this option to have the Router use IGMP blocking (snooping).
Check the LAN port/s to which IGMP snooping applies.
Click Apply to save your changes back to the Router.
Click Reset to begin configuring this screen afresh.
Chapter 13 WAN
129