1. IMPLEMENTING DHCP Chapter 1

2. HISTORY OF DHCP

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

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

22. DHCP LEASE DURATION

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