User's Guide

IP Pool Starting Address — Enter the lowest range of IP address to assign. The
default value is 192.168.10.101.
IP Pool Ending Address — Enter the highest range of IP address to assign. The
default value is 192.168.10.200.
Subnet Mask — Enter the subnet mask. The default value is 255.255.255.0.
IPRouters — Enter the IP address of your Modem Router. The default value is
192.168.10.1.
Primary DNS Server and Secondary DNS Server — Enter a primary and a secondary
DNS server if the DNS Relay option is enabled.
Lease Time — Enter the lease time in seconds. The lease time is the amount of time
a device is allowed connection to your Modem Router using its current dynamic IP
address. At the end of the lease time, the lease is either renewed or a new IP
address is assigned. The default value is 86400 seconds (1 day).
Sub Range IP Enable — Check this box to set another range of IP address.
• Vendor Class (Option 60): Enter a vendor class name.
• Sub-String Match: Check to enable the sub-string match function.
• IP Pool Starting Address — Enter the lowest sub range of IP address to
assign.
• IP Pool Ending Address — Enter the highest sub range of IP address to
assign.
• Subnet Mask — Enter the subnet mask.
• IPRouters — Enter the IP address of your Modem Router.
• Primary DNS Server and Secondary DNS Server — Enter a primary and a
secondary DNS server of the sub range.
Extra Option Enable — Check this box to enable extra options.
• Option 240, Option 241, Option 242, Option 244, and Option 245: Enter a
name for the corresponding option.
Click the Apply button to save your changes or click the Cancel button to discard
your changes.
DHCP Relay
Some ISPs function as the DHCP server for their clients’ small office network. In this
case, you can set your Modem Router to act as a DHCP relay agent. When a device
on your network requests Internet access, your Modem Router contacts the ISP to
obtain the IP configuration, and then forwards the information to that device.
DHCP Server IP — Enter the IP address of the DHCP server.