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P-660 series Support Notes
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10. Using IP Alias
•
What is IP Alias ?
In a typical environment, a LAN router is required to connect two local networks
P-660 can connect three local networks
. The
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 P-660's single user account. See the figure below.
The P-660 supports three virtual LAN interfaces via i
interface. The first network can be configured in men
third networks that we call
'IP Alias 1'
and
'IP Alias
3.2.1-IP Alias Setup.
There are three internal virtual LAN interfaces for the
fro
for
ts single physical Ethernet
u 3.2 as usual. The second and
2'
can be configured in menu
P-660 to route the packets
m/to the three networks correctly. They are
enif0
for the major network,
enif0:0
the IP alias 1 and
enif0:1
for the IP alias 2. Therefore, three routes are created in
the P-660 as shown below when the three networks are configured. If the P-660's
n be any of the three networks.
DHCP is also enabled, the IP pool for the clients ca
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