P-870H/HW Series User’s Guide
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Interface Group
20.1 Overview
By default, all LAN and WAN interfaces on the ZyXEL Device are in the same group
and can communicate with each other. You can create multiple groups to have the
ZyXEL Device assign the IP addresses in different domains to different groups.
Each group acts as an independent network on the ZyXEL Device.
20.1.1 What You Can Do in this Chapter
The Interface Group screen lets you create multiple networks on the ZyXEL
Device (
20.2 The Interface Group Screen
You can manually add a LAN interface to a new group. Alternatively, you can have
the ZyXEL Device automatically add the incoming traffic and the LAN interface on
which traffic is received to the new group when its source MAC address or DHCP
option information matches the predefined filtering criteria.
Use the LAN screen to configure the private IP addresses the DHCP server on the
ZyXEL Device assigns to the clients in the default and/or user-defined groups. If
you set the ZyXEL Device to assign IP addresses based on the client’s source MAC
address or DHCP option information, you must enable DHCP server and configure
LAN TCP/IP settings for both the default and user-defined groups. See
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