1. Benefits
1.1. Reduce administrative effort by using automatic tcp/ip configuration
1.2. Reduce the time of configuring ip address if there is too many computers
1.3. eliminate common source of network problem
2. Functions
2.1. obtain IP address to client automanticlly
2.1.1. just by typing ipconfig/release and ipconfig/renew
2.2. Ensure correct configuration information
2.3. Provide Default gateway
2.4. Provide prefer DNS
3. DHCP Scope
3.1. Reservation
3.1.1. Reserve a IP for a particular PC but requires Mac address
3.2. Address Pool
3.2.1. List of range address that is able to use
3.3. Address Lease
3.3.1. Lease duration default is 8 days
3.4. Reservation
3.4.1. For a particular PC that you wants to reserve the IP address
4. DHCP Option
4.1. Router
4.2. DNS Server
4.3. Domain Name
4.4. Wins Server
4.5. Wins Node Type
5. DHCP server
5.1. Save copy in the database
6. DHCP Client
6.1. OBtain IP address
6.1.1. save time to configure satatic
7. DHCP packet
7.1. Lease Renewval
7.1.1. DHCP DISCOVER
7.1.1.1. 50 percent of lease duration has expire then sends a packet
7.1.2. DHCP OFFER
7.1.2.1. reserves an IP address for the client and makes a lease offer by sending a DHCPOFFER message
7.1.3. DHCP REQUEST
7.1.3.1. A client can receive DHCP offers from multiple servers, but it will accept only one DHCP offer
7.1.4. DHCP ACK
7.1.4.1. 50 percent of lease duration has expire then sends a packet
8. Authorise
8.1. distribute Ip address to client
9. Unauthorise
9.1. IF its Unauthorise unable to issue IP address to client
10. Domain Controller
10.1. Check whether you have the permission to obtain IP address
10.2. Authetication
10.3. ITE.LOCAL
11. Active Directory
11.1. Allow autorization for DHCP
12. DHCP statistics
12.1. provide DHCP Activity anduseage
13. DHCP performance data
14. DHCP events
14.1. Log
14.1.1. Date and time of Event occurence
15. Scope Option
15.1. DNS Server
15.2. Subnet MAsk
15.2.1. what is the subnet mask you wan to put