The document discusses the implementation of DHCP including: - DHCP dynamically assigns TCP/IP addresses and configuration information to simplify network administration compared to manual configuration. - DHCP servers require a supported server OS and DHCP service, while clients require supported Windows or other OS versions. - The key benefits of DHCP include centralized administration, dynamic host configuration, seamless IP configuration, flexibility and scalability. - DHCP uses message types like DHCPDISCOVER, DHCPOFFER, and DHCPACK to dynamically assign IP addresses and configure clients on the network.

1. IMPLEMENTING DHCP Chapter 1

2. HISTORY OF DHCP

3. THE ROLE OF DHCP Dynamically assigns TCP/IP addresses Dynamically assigns TCP/IP configuration information Simplifies network administration

4. DYNAMIC VERSUS MANUAL TCP/IP ADDRESS ASSIGNMENT M M a a n n u u a a l l T T C C P P / / I I P P C C o o n n f f i i g g u u r r a a t t i i o o n n A A u u t t o o m m a a t t i i c c T T C C P P / / I I P P C C o o n n f f i i g g u u r r a a t t i i o o n n IP addresses entered manually on each client computer IP addresses are supplied auto- matically to client computers Possibility of entering incorrect or invalid IP address Ensures that client always uses correct configuration information Incorrect configuration can lead to communication and network issues Client configuration updated automatically to reflect network changes Administrative overload on networks on which computers are frequently moved Elimination of source of network problems

5. MANUAL TCP/IP ADDRESSING

6. DYNAMIC TCP/IP ADDRESS ASSIGNMENT

7. DHCP SERVER REQUIREMENTS DHCP server requirements Microsoft Windows NT, Windows 2000, or Windows Server 2003 Server products The DHCP Server service installed on the server Static IP address, subnet mask, and default gateway Valid range of addresses

8. DHCP CLIENT REQUIREMENTS DHCP client requirements Windows XP or Windows 2000 Microsoft Windows NT 3.51 or later Microsoft Windows 95 or Microsoft Windows 98 Microsoft Windows 3.11 for Workgroups with TCP/IP-32 Microsoft Network Client 3 for MS-DOS LAN Manager 2.2c Other non-Microsoft operating systems

9. KEY BENEFITS OF DHCP Centralized administration of IP configuration Dynamic host configuration Seamless IP host configuration Flexibility Scalability

10. HOW THE DHCP PROCESS WORKS

11. DHCP MESSAGE TYPES Used by clients to obtain additional TCP/IP addresses D D H H C C P P M M e e s s s s a a g g e e T T y y p p e e D D e e s s c c r r i i p p t t i i o o n n DHCPDISCOVER Used by clients to request configuration parameters from a DHCP server DHCPOFFER Used by servers to offer IP addresses to requesting clients DHCPREQUEST Used by clients to accept or renew IP address assignment and to decline unaccepted servers DHCPDECLINE Used by clients to reject an offered IP address DHCPACK Used by servers to acknowledge a client’s acceptance of an offered IP address DHCPNACK Used by servers to reject a client’s acceptance of an offered IP address DHCPRELEASE Used by clients to terminate an IP address lease DHCPINFORM

12. THE INITIAL DHCP LEASE PROCESS

13. DHCP LEASE RENEWAL PROCESS

14. WHAT HAPPENS WHEN A CLIENT CHANGES SUBNETS?

15. WHAT IS A DHCP RELAY AGENT?

16. HOW DOES AUTOMATIC PRIVATE IP ADDRESSING (APIPA) WORK?

17. ALTERNATE TCP/IP ADDRESS CONFIGURATION

18. AUTHORIZING A DHCP SERVER IN ACTIVE DIRECTORY

19. WHAT IS A DHCP SCOPE?

20. DHCP ADDRESS EXCLUSIONS

21. MULTICAST ADDRESS CONFIGURATION USING DHCP The multicast address range is 224.0.0.0 through 239.255.255.255.

22. DHCP LEASE DURATION

23. WHAT ARE DHCP CLIENT RESERVATIONS? Client reservations permanently reserve a specific address for a specific client.

24. WHAT ARE DHCP SCOPE OPTIONS?

25. VERIFYING DHCP SCOPE OPTIONS

26. ACTIVATING A DHCP SCOPE

27. HOW TO CONFIGURE A DHCP RELAY AGENT

28. WHAT ARE DHCP SUPERSCOPES?

29. SUPERSCOPES WITH REMOTE NETWORKS

30. MULTIPLE DHCP SERVERS ON THE SAME SUBNET

31. SUMMARY Advantages and disadvantages of DHCP How to install and configure DHCP DHCP in an Active Directory network Scopes and superscopes DHCP in a routed network