DHCP Lease Time — Specify how long (in seconds) an IP address is valid for a computer before a new IP address is issued. Normally, there is no need to change this value.
In the DHCP IP Address Reserving panel, you can reserve IPs for a specific computer. Auto Setup — Select to assign a particular IP to your computer.
Physical Address — As an option to “Auto Setup,” enter the MAC address of the network card installed in the computer to assign a particular IP to it and click “Add,” which will display a Current Address Reserving Table showing information about current address reserving. To remove a listing from the table, select it and click “Delete.”
Apply — Click “Apply,” then “Save” to set and save any changes.
3.4 Routing
If the router is connected to more than one network, it may be necessary to set up a static route between them. A static route is a
Type / Target / Mask / Gateway — Fill in these fields required by this Static Routing function. Add — Click to add a new static routing entry and display the Current Routing Table, which shows the valid routing paths in the router. To remove a listing from the table, select it and
click “Delete.”
Apply — Click “Apply,” then “Save” to set and save any changes.
3.5 NAT
Network Address Translation (NAT) allows multiple users at your local site to access the Internet through a single public IP address. NAT provides firewall protection from hacker attacks and has the flexibility to allow you to map private IP addresses to public IP addresses for key services such as Web and FTP sites.
3.5.1 DMZ Host Setup
The DMZ screen allows one local user to be exposed to the Internet for use of a special- purpose service such as Internet gaming and videoconferencing. DMZ hosting forwards all the ports for one PC at the same time.
DMZ — Select to activate the function, then enter the host IP in the field to the right. Apply — Click “Apply,” then “Save” to set and save any changes.
3.5.2 FTP Private Port
This enables a user to set up an FTP server which is not using the standard Port 21. Port Number — Select to activate the function, then fill in the field to the right.
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