Planet Technology ADSL Firewall Router ADE-4120 - Manual (Page 27)

Chapter 2 Using ADE-4120
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3.6.3.4 User access control
You can fill in the LAN IP address, MAC address and port range to limit the Internet
access of the local user.
3.6.3.5 DHCP
DHCP (Dynamic Host Configuration Protocol) allows you to automatically assign IP
addresses to client stations logging onto a TCP/IP network. It eliminates the need to
manually assign permanent IP addresses. This ADSL router also allows host with fixed
IP. You can key in the host MAC Address in the table below.