Planet MH-4000 User Manual page 32

For example, the leased line of a company applies several real IP Addresses 168.85.88.0/24 and the
company is divided into R&D, Customer Service, Sales, Procurement, and Accounting Department. The
company can distinguish each department by different sub-network for the purpose of convenient
management.
The settings are as the following:
R&D: Alias IP of LAN interface - 168.85.88.1, Netmask: 255.255.255.192
Sales: Alias IP of LAN interface - 168.85.88.65, Netmask: 255.255.255.192
Procurement: Alias IP of LAN interface - 168.85.88.129, Netmask: 255.255.255.192
Accounting: Alias IP of LAN interface - 168.85.88.193, Netmask: 255.255.255.192
Click System Configuration on the left side menu bar, then click Multiple Subnet below it. Enter Multiple
Subnet window.
Multiple Subnet functions
WAN Interface IP / Forwarding Mode: Display WAN Port IP Address and Forwarding Mode which is NAT
Mode or Routing Mode.
Alias IP of Int. Interface / Subnet Mask: Local port IP Address and subnet Mask.
Modify: Modify the settings of Multiple Subnet. Click Modify to modify the parameters of Multiple Subnet or
click Remove to delete settings.
Adding a Multiple Subnet Routing Mode
Step 1: Click the Add button below to add Multiple Subnet.
Step 2: Enter the IP Address in Add Multiple Subnet window.
Alias IP of LAN Interface: Enter Local port IP Address.
Netmask: Enter Local port subnet Mask.
WAN Interface IP: Add WAN1 or WAN2 IP
Forwarding Mode: Click the Routing button below to setup.
Step 3: Click OK to add Multiple Subnet or click Cancel to discard changes.
Multi-Homing Security Gateway User's Manual
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