Chapter 13 WAN

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 DESCRIPTION

IGMP Block Setup

Enable IGMP

Select this option to have the Router use IGMP blocking (snooping).

Block

Check the LAN port/s to which IGMP snooping applies.

 

 

 

Apply

Click Apply to save your changes back to the Router.

 

 

Reset

Click Reset to begin configuring this screen afresh.

 

 

 

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NBG-419N v2 User’s Guide