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Monday, May 27, 2013

DHCP (Windows server 2008 R2)

Step by step guidance on Dynamic Host Configuration Protocol (Windows server 2008 R2) for MCITP Students.

What is DHCP

DHCP is a network protocol that enables a server to automatically assign an IP address to a computer from a defined range of address (scope) configured for a given network. It also uses filter.

Purpose of DHCP

it is used to enable individual computers on an IP network to extract their configuration from their server that have no exact information about individual computers. The overall purpose of the DHCP server is to reduce the work necessary to administer a large IP network

 Internal process of DHCP

1. DHCP Discover: Search for authorized device. The client makes a UDP broadcast to the server about the DHCP discovery.
2. DHCP Offer: DHCP server will broadcast it's information to all the network clients.
3. DHCP Request: In this process the DHCP client will broadcast it's request to the server for   IP address allotment. And the authorised DHCP will immediately transfer their IP address range in the network to all their clients.
4. DHCP Acknowledgement: In this process the client unicast their signals to their authorised DHCP server to send the acknowledgement packet with IP address, subnet mask, gateway, DNS and WINS.
5. DHCP Relay Agent: Relays messages between DHCP clients and DHCP servers on different IP networks

  What is a super scope in DHCP

A super scope allows a DHCP server to provide leases from more than one scope to clients on a single added to a super scope are called member scope.

See Video Tutorial on how to configure DHCP:

You can also read:
Virtual Private Network (VPN) in Windows Server 2008 R2
How to take Windows Server Backup in Windows Server 2008 R2
Group Policy{Software Restriction}
Group Policy {Software Deployment}
Active Active Directory Operation Master Roles Migration
Trust Relationship{Forest Trust} for windows 2008 R2 AD Server

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