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Chapter 6 LAN Setup
P-870HN-51D User’s Guide
98
IP Alias
IP alias allows you to partition a physical network into different logical networks
over the same Ethernet interface. The P-870HN-51D supports three logical LAN
interfaces via its single physical Ethernet interface with the P-870HN-51D itself as
the gateway for each LAN network.
When you use IP alias, you can also configure firewall rules to control access
between the LAN's logical networks (subnets).
Note: Make sure that the subnets of the logical networks do not overlap.
The following figure shows a LAN divided into subnets A and B.
Figure 43 Physical Network & Partitioned Logical Networks
Ethernet
Interface
A: 192.168.1.1 - 192.168.1.24
B: 192.168.2.1 - 192.168.2.24