P-870HN-5
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b Support Notes
All contents copyright (c) 2009 ZyXEL Communications Corporation.
LAN Connection
IP Alias Introduction
What is the IP Alias?
In a typical environment, a LAN router is required to connect two local networks.
The device can connect three local networks to the ISP or a remote node; we call this
function as
'IP Alias'
. In this case, an internal router is not required. For example, the
network manager can divide the local network into three networks and connect
them to the Internet using CPE's single user account. See the following figure.
The CPE supports three virtual LAN interfaces via its single physical Ethernet
interface. As to the second and third networks, we call
'IP Alias 1'
and
'IP Alias 2'
.
