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4.1 Overview
A Local Area Network (LAN) is a shared communication system to which many networking devices are
connected. It is usually located in one immediate area such as a building or floor of a building.
4.2 LAN Setup
A LAN IP address is the IP address of a networking device in the LAN. You can use the Zyxel Device's LAN
IP address to access its Web Configurator from the LAN. Click Network Setting to open the LAN screen.
Use this screen to set the Local Area Network IP address, subnet mask, multicast, and IGMP snooping of
your Zyxel Device.
Figure 11 Network Setting > LAN
The following table describes the fields on this screen.
Table 7 Network Setting > LAN
LABEL
LAN IP Setup
IP Address
Subnet Mask
Multicast
DESCRIPTION
Enter the LAN IPv4 address you want to assign to your Zyxel Device in dotted decimal notation,
for example, 192.168.0.1 (factory default).
Type the subnet mask of your network in dotted decimal notation, for example 255.255.255.0
(factory default). Your Zyxel Device automatically computes the subnet mask based on the IP
address you enter, so do not change this field unless you are instructed to do so.
Multicast packets are sent to a group of computers on the LAN and are an alternative to unicast
packets (packets sent to one computer) and broadcast packets (packets sent to every
computer).
Devices use the IGMP (Internet Group Management Protocol) network-layer protocol to
establish membership in a multicast group. The Zyxel Device supports IGMP v1/IGMP v2. Select
None to disable it.
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