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DHCP Service
Dynamic Host Configuration Protocol (DHCP) service lets you administer and distribute
IP addresses to client computers from your server. When you configure the DHCP
server, you assign a block of IP addresses that can be made available to clients. Each
time a client computer configured to use DHCP starts up, it looks for a DHCP server on
your network. If a DHCP server is found, the client computer then requests an IP
address. The DHCP server checks for an available IP address and sends it to the client
computer along with a “lease period” (the length of time the client computer can use
the address) and configuration information.
You can use the DHCP module in Server Admin to:
•
Configure and administer DHCP service.
•
Create and administer subnets.
•
Configure DNS, LDAP, and WINS options for client computers.
•
View DHCP address leases.
If your organization has more clients than IP addresses, you’ll benefit from using DHCP
service. IP addresses are assigned on an as-needed basis, and when they’re not needed,
they’re available for use by other clients. You can use a combination of static and
dynamic IP addresses for your network if you need to. Read the next section for more
information about static and dynamic allocation of IP addresses.
Organizations may benefit from the features of DHCP service, such as the ability to set
Domain Name System (DNS) and Lightweight Directory Access Protocol (LDAP) options
for client computers without additional client configuration.
Before You Set Up DHCP Service
Before you set up DHCP service, read this section for information about creating
subnets, assigning static and dynamic IP addresses, locating your server on the
network, and avoiding reserved IP addresses.
LL2351.Book Page 7 Monday, September 8, 2003 2:47 PM