DHCP

Dynamic Host Configuration Protocol

by:Kirk Z. Moreno

Presentation Overview• What is DHCP• Who Created DHCP• The Purpose of DHCP• How Does DHCP Work• Advantages of DHCP Over Manual

Configurations• DHCP Support for Mobile Users• Ease of Set Up and Administration• Some Limitations to be Aware Of• Set Up on Win2000 Server

What is DHCP?

• Extension of BOOTP– Bootstrap Protocol– discover its own IP address– IP address of a BOOTP server on the network– file to be loaded into MEM to boot the machine– Boots without requiring a hard or floppy drive– RFC 951

Who Created DHCP?

• Dynamic Host Configuration Working Group– Internet Engineering Task Force– Internet Activities Board

The Purpose of DHCP

• Provide dynamic allocation of IP client configuration for a lease period

• Eliminate the work necessary to administer a large IP Network

How Does DHCP Work?

• Broadcasts request for address Information

• Receives request, assigns new address for lease period, sends to client with other config info

• Client acknowledges, sets up its config• Server attempts to return same address

every time the client requests one• Client control

Advantages of DHCP over Manual Configurations:

• *Note• No Wasted Numbers• Control• Major Network Resource Changes

DHCP Support for Mobile Users

Ease of Set Up and Administration

• Centralized Management

• Easy

• Client Addresses assigned automatically

Some Limitations to be Aware Of:

• Fixed Addresses• Availability• Reconfiguring IP addresses• Older Operating Systems

Set Up On Windows 2000 Server

A Step by Step Tutorial can be located at:http://www.helmig.com/j_helmig/w2kdhcpi.htm

Key Terms Used

• DHCP: Dynamic Host Configuration Protocol.

• BOOTP: Bootstrap Protocol.• IETF: Internet Engineering Task Force.• IAB: Internet Activities Board.

Resources

• http://support.microsoft.com/support/kb/articles/q300/4/29.ASP

• http://www.dhcp-handbook.com/dhcp_faq.html• http://www.helmig.com/j_helmig/w2kdhcpi.htm

• http://www.webopedia.com/

The End