Moac291 Week02

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  • Briefly discuss the topics covered in the chapter. Refer to the objectives list at the beginning of the chapter.
  • Moac291 Week02

    1. 1. IMPLEMENTING DHCP Chapter 1
    2. 2. HISTORY OF DHCP
    3. 3. THE ROLE OF DHCP <ul><li>Dynamically assigns TCP/IP addresses </li></ul><ul><li>Dynamically assigns TCP/IP configuration information </li></ul><ul><li>Simplifies network administration </li></ul>
    4. 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. 5. MANUAL TCP/IP ADDRESSING
    6. 6. DYNAMIC TCP/IP ADDRESS ASSIGNMENT
    7. 7. DHCP SERVER REQUIREMENTS <ul><li>DHCP server requirements </li></ul><ul><ul><li>Microsoft Windows NT, Windows 2000, or Windows Server 2003 Server products </li></ul></ul><ul><ul><li>The DHCP Server service installed on the server </li></ul></ul><ul><ul><li>Static IP address, subnet mask, and default gateway </li></ul></ul><ul><ul><li>Valid range of addresses </li></ul></ul>
    8. 8. DHCP CLIENT REQUIREMENTS <ul><li>DHCP client requirements </li></ul><ul><ul><li>Windows XP or Windows 2000 </li></ul></ul><ul><ul><li>Microsoft Windows NT 3.51 or later </li></ul></ul><ul><ul><li>Microsoft Windows 95 or Microsoft Windows 98 </li></ul></ul><ul><ul><li>Microsoft Windows 3.11 for Workgroups with TCP/IP-32 </li></ul></ul><ul><ul><li>Microsoft Network Client 3 for MS-DOS </li></ul></ul><ul><ul><li>LAN Manager 2.2c </li></ul></ul><ul><ul><li>Other non-Microsoft operating systems </li></ul></ul>
    9. 9. KEY BENEFITS OF DHCP <ul><li>Centralized administration of IP configuration </li></ul><ul><li>Dynamic host configuration </li></ul><ul><li>Seamless IP host configuration </li></ul><ul><li>Flexibility </li></ul><ul><li>Scalability </li></ul>
    10. 10. HOW THE DHCP PROCESS WORKS
    11. 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. 12. THE INITIAL DHCP LEASE PROCESS
    13. 13. DHCP LEASE RENEWAL PROCESS
    14. 14. WHAT HAPPENS WHEN A CLIENT CHANGES SUBNETS?
    15. 15. WHAT IS A DHCP RELAY AGENT?
    16. 16. HOW DOES AUTOMATIC PRIVATE IP ADDRESSING (APIPA) WORK?
    17. 17. ALTERNATE TCP/IP ADDRESS CONFIGURATION
    18. 18. AUTHORIZING A DHCP SERVER IN ACTIVE DIRECTORY
    19. 19. WHAT IS A DHCP SCOPE?
    20. 20. DHCP ADDRESS EXCLUSIONS
    21. 21. MULTICAST ADDRESS CONFIGURATION USING DHCP <ul><li>The multicast address range is 224.0.0.0 through 239.255.255.255. </li></ul>
    22. 22. DHCP LEASE DURATION
    23. 23. WHAT ARE DHCP CLIENT RESERVATIONS? <ul><li>Client reservations permanently reserve a specific address for a specific client. </li></ul>
    24. 24. WHAT ARE DHCP SCOPE OPTIONS?
    25. 25. VERIFYING DHCP SCOPE OPTIONS
    26. 26. ACTIVATING A DHCP SCOPE
    27. 27. HOW TO CONFIGURE A DHCP RELAY AGENT
    28. 28. WHAT ARE DHCP SUPERSCOPES?
    29. 29. SUPERSCOPES WITH REMOTE NETWORKS
    30. 30. MULTIPLE DHCP SERVERS ON THE SAME SUBNET
    31. 31. SUMMARY <ul><li>Advantages and disadvantages of DHCP </li></ul><ul><li>How to install and configure DHCP </li></ul><ul><li>DHCP in an Active Directory network </li></ul><ul><li>Scopes and superscopes </li></ul><ul><li>DHCP in a routed network </li></ul>

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