User's Guide

TD851W 150Mbps Wireless N ADSL2+ Modem Router User Guide
Max Lease Time: The time that the DHCP client is allowed to maintain the assigned
dynamic IP. After the dynamic IP address has expired, the user will be automatically
assigned a new one. The default is 1440 minutes.
Domain Name: Specify a user-friendly name to refer to the group of hosts (subnet) that
will be assigned addresses from this pool.
DNS Servers: The IP address of DNS server used in option filed of DHCP message.
¾ Apply Changes: Click this button to save your configuration.
¾ Undo: Click this button to cancel your configuration.
¾ Set VendorClass IP Range: Click this button to and then you will enter the screen as shown
in Figure 4-12. This page allows you to configure the IP address range depending on device’s
option60.
Figure 4-12
Device name: Give a name for the class of your device, such as PC, Phone, TV, etc.
Start address: Specify the start address.
End address: Specify the end address.
Default gateway: Enter the IP address of the Modem Router.
Option60: A string of n octets, interpreted by DHCP servers, used by DHCP client to
optionally identify the vendor type and configuration of a DHCP client. In Figure 4-12, we
suppose 11 as PC’s option60.
After configuration, click Apply Changes button to save your changes.
27