PLANET CS-2001 - Manual (Page 108)

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3.1.4 Using CS-2001 as a Gateway for the Internal Users to
Access the Internet and Configure the DMZ for the External
Users to Access the Network Resource
Prerequisite Setup (Note: IP addresses used as examples only)
Configure Port1 as LAN1(192.168.1.1, NAT/Routing) and connect to the LAN. IP
address range:192.168.1.x/24.
Configure Port2 as WAN1(61.11.11.11) and connect it to the ADSL Termination Unit
Remote (ATUR) to access the Internet.
LAN users (192.168.1.100) will connect to WAN1(61.11.11.11) and use WAN1’s IP
address to access the Internet.
Configure Port3 as DMZ1 (Transparent Routing) to connect to the web server. (Using
WAN1’s IP address: 61.11.11.12)
Step 1. Go to Network > Interface and then set as below:
（Figure 3-13）
 Click Port1’s Modify button.
 Select LAN for Internet Type.
 Select NAT Routing for Connection Type.
 Enter the IPv4 Address and the Netmask.
 Tick Ping, HTTP and HTTPS.
 Click OK.