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3. Using the Web Interface
3-16 January 2005 6210-A2-GB23-00
Figure 3-11. LAN Group 1 Configuration
4. The DHCP server is enabled when “Enable DHCP Server” is selected. If you
enable it:
— Specify a Start IP address. The Start IP Address is where the DHCP
server starts issuing IP addresses. This value must be greater than the
router's IP address value. For example, if the router's IP address is
192.168.1.1 (the default) than the Start IP address must be 192.168.1. 2
or higher.
— Specify an End IP address. The End IP Address is the last address the
DHCP server can issue. The ending address cannot exceed a subnet limit
of 254. The maximum IP address for a router using the default address is
192.168.1.254. If the DHCP server runs out of DHCP addresses, users
will not get access to network resources.
— Specify a Lease Time. The Lease Time is the amount of time a network
user will be allowed connection to the Router with their current dynamic IP
address. The amount of time is in units of seconds; the default value is
3600 seconds (1 hour).
Note: If you change the start or end values, make sure the values are still within
the same subnet as the modem's IP address. For example, if the modem's IP
address is 192.168.1.1 (the default), and you change the DHCP Start and End IP
addresses to be 192.128.1.2 and 192.128.1.100, you will not be able to
communicate with the modem if your PC has DHCP enabled.
In addition to the DHCP server feature, the modem supports the DHCP relay
function. When the modem is configured as DHCP server, it assigns the IP
addresses to the LAN clients. When the modem is configured as DHCP relay, it is