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DHCP SERVER
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D H C P L i n u x C l i e n t
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D H C P
D H C P W i n d o w C l i e n t
D H C P S e r v e r
DHCP
It gives IP Addresses Automatically to the Clients who is requesting for an IP Address
Centralized IP Address Management
DHCP prevents IP address Conflicts and helps conserve the use of client IP Address on the Network
DHCP reduces the complexity and amount of administrative work by assigning TCP/IP configuration
Client IP configuration is updated automatically
Why DHCP?
Static IP Assigning Dynamic IP Assigning
IP addresses are entered manually IP addresses are supplied automatically
IP address could be entered incorrectly Correct configuration information is ensuring
Communication and network issues can Client configuration is updated automatically
result A common source of network problems is
Frequent computer moves increase eliminated
administrative effort
Process of IP Assignment by DHCP:
1. When a client computer starts, if it is configured to use DHCP Server to get IP address.
2. Client Computer sends a DISCOVER broadcast request on network.
3. DHCP server received this request and sends an OFFER packet back to client.
4. After getting offer packet, Client sends a REQUEST packet to DHCP server to assign an IP.
5. DHCP Server assigned the IP to client computer and sends a ACK packet to client.
S. Pradhan
(MCA, MBA-IT, BCA, CCNA, MCSA 2012, RHCE, ETHICAL HACKING)
Email Id:-spradhan.iiht@gmail.com
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