Chapter 3. Set-Up
3-3
DHCP Server
Dynamic Host Configuration Protocol (DHCP) is a TCP/IP Suite protocol that allows network
administrators to manage and automate centrally the assignment of Internet Protocol (IP)
addresses in an organization's network. Using the Internet Protocol, each machine that wishes to
connect to the Internet needs a unique IP address. When an organization sets up its computer
users with a connection to the Internet, a unique IP address must be assigned to each machine.
Without DHCP, the IP address must be entered manually for each computer. If computers move
to another location in another part of the network, a new IP address must be manually entered.
DHCP lets a network administrator supervise and distribute IP addresses from a central point and
automatically assign a new IP address when a computer is plugged into a different location in the
network.
If the DHCP server is Enabled, you will need to setup the following parameters for processing by
the DHCP server.
The embedded DHCP server
assigns network configuration
information for up to 253 users
accessing the Internet at the
same time.
For this example: If the LAN IP
address is 192.168.0.1, the IP
range of LAN is 192.168.0.2 to
192.168.0.51. The DHCP server
assigns the IP from Start IP
Address to End IP Address. The
legal IP address range is from 0
to 255, but 0 and 255 are
reserved for broadcast so the
useable IP address range is from
1 to 254. You may NOT assign an
IP greater than 254 or less then
1. Lease time of 72 hours
indicates that the DHCP server will not reassign the IP information to any new device for 72
hours.
Press Next to setup WAN parameters.
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