ZyXEL nbg-4615 用户指南

 Chapter 16 WAN

NBG4615 User’s Guide

Use this screen to enable IGMP 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 Snooping. The screen appears as shown.

Figure 94   Network > WAN > IGMP Snooping 

The following table describes the labels in this screen.

Apply

Click Apply to save your changes back to the NBG4615.

Cancel

Click Cancel to begin configuring this screen afresh.

Table 58   Network > WAN > Advanced (continued)

Table 59   Network > WAN > IGMP Snooping

Enable IGMP 
Snooping

Select this option to have the NBG4615 use IGMP snooping. 

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

Apply

Click Apply to save your changes back to the NBG4615.

Cancel

Click Cancel to begin configuring this screen afresh.