1. DHCP Server © N. Ganesan, Ph.D.

2. Reference

3. DHCP Server Issues or leases dynamic IP addresses to clients in a network The lease can be subject to various conditions –Duration –Computer ID etc.

4. IP Address Assignment The DHCP server assigns or leases a client an IP address for a predetermined period of time –In most cases, the IP address is automatically renewed when a clients logs into a network The IP address assigned is taken from a pool of IP addresses defined as the scope of IP addresses available for assignment A user can manually release and renew an IP address by typing the commands "ipconfig /release", followed by "ipconfig /renew" in the command prompt

5. Assignment Conditions IP addresses can be reserved for clients based on MAC addresses and host names For security, the lease of IP addresses can be restricted to clients with known MAC addresses

6. DHCP Server in a Network

7. Initiating the Installation of the DHCP Server User the Manage Your Server wizard and select the DHCP server option for installation

8. Name and Description of the DHCP Server

9. Address Range and Subnet Mask Specification

10. IP Address Exclusions

11. Exclusions Some IP addresses may be excluded so that they could be reserved for assignment to servers as static addresses –Servers, in general, requires the assignment of static addresses –The router address is also normally excluded Specific or a range of IP addresses may be excluded in this manner

12. Lease Duration

13. Guideline on Lease Duration Shorter leases for mobile devices such as laptops Longer leases for permanent devices such as desktops

14. Configuration of DHCP Options

15. Default Gateway Address

16. Domain Name and DNS Server Address

17. DNS Specification DNS IP address can be specified manually DNS IP address can also be resolved by entering the server name and pressing the “resolve” button on the screen

18. WIN Servers

19. Scope Activation

20. Further Configuration of DHCP

21. Further Exclusions

22. Exclusive IP Address Reservation for Clients

23. Reservation Basis Reservations are based on MAC addresses

24. The End