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4 internet connection, 1 ethernet encapsulation – ZyXEL Communications NBG420N User Manual

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Chapter 8 WAN

NBG420N User’s Guide

118

The NBG420N supports both IGMP version 1 (IGMP-v1) and IGMP version 2 (IGMP-v2).
At start up, the NBG420N queries all directly connected networks to gather group
membership. After that, the NBG420N periodically updates this information. IP multicasting
can be enabled/disabled on the NBG420N LAN and/or WAN interfaces in the web
configurator (LAN; WAN). Select None to disable IP multicasting on these interfaces.

8.4 Internet Connection

Use this screen to change your NBG420N’s Internet access settings. Click Network > WAN.
The screen differs according to the encapsulation you choose.

8.4.1 Ethernet Encapsulation

This screen displays when you select Ethernet encapsulation.

Figure 78 Network > WAN > Internet Connection: Ethernet Encapsulation