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Dhcp server
Dhcp server
Dhcp server
Dhcp server
Dhcp server
Dhcp server
Dhcp server
Dhcp server
Dhcp server
Dhcp server
Dhcp server
Dhcp server
Dhcp server
Dhcp server
Dhcp server
Dhcp server
Dhcp server
Dhcp server
Dhcp server
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Dhcp server

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  • 1. A DHCP Server assigns IP addresses to client computers. This is very often used in enterprise networks to reduce configuration efforts. All IP addresses of all computers are stored in a database that resides on a server machine. How to Install the DHCP Service 1. Click Start, point to Control Panel, and then click Add or Remove Programs. 2. In the Add or Remove Programs dialog box, click Add/Remove Windows Components. 3. In the Windows Components Wizard, click Networking Services in the Components list, and then click Details. 4. In the Networking Services dialog box, click to select the Dynamic Host Configuration Protocol (DHCP) check box, and then click OK. 5. In the Windows Components Wizard, click Next to start Setup. Insert the Windows Server 2003 CD-ROM into the computer's CD-ROM or DVDROM drive if you are prompted to do so. Setup copies the DHCP server and tool files to your computer. 6. When Setup is completed, click Finish. How to Configure the DHCP Service After you have installed the DHCP service and started it, you must create a scope, which is a range of valid IP addresses that are available for lease to the DHCP client computers on the network. Microsoft recommends that each DHCP server in your environment have at least one scope that does not overlap with any other DHCP server scope in your environment. In Windows Server 2003, DHCP servers in an Active Directory-based domain must be authorized to prevent rogue DHCP servers from coming online. Any Windows Server 2003 DHCP Server that determines it to be unauthorized will not manage clients.
  • 2. How to Create a New Scope 1. Click Start, point to Programs, point to Administrative Tools, and then click DHCP. 2. In the console tree, right-click the DHCP server on which you want to create the new DHCP scope, and then click New Scope. 3. In the New Scope Wizard, click Next, and then type a name and description for the scope. This can be any name that you want, but it should be descriptive enough so that you can identify the purpose of the scope on your network (for example, you can use a name such as "Administration Building Client Addresses"). Click Next. 4. Type the range of addresses that can be leased as part of this scope (for example, use a range of IP addresses from a starting IP address of 192.168.100.1 to an ending address of 192.168.100.100). Because these addresses are given to clients, they must all be valid addresses for your network and not currently in use. If you want to use a different subnet mask, type the new subnet mask. Click Next. 5. Type any IP addresses that you want to exclude from the range that you entered. This includes any addresses in the range described in step 4 that may have already been statically assigned to various computers in your organization. Typically, domain controllers, Web servers, DHCP servers, Domain Name System (DNS) servers, and other servers, have statically assigned IP addresses. Click Next. 6. Type the number of days, hours, and minutes before an IP address lease from this scope expires. This determines how long a client can hold a leased address without renewing it. Click Next, and then click Yes, I want to configure these options now to extend the wizard to include settings for the most common DHCP options. Click Next. 7. Type the IP address for the default gateway that should be used by clients that obtain an IP address from this scope. Click Add to add the default gateway address in the list, and then click Next. 8. If you are using DNS servers on your network, type your organization's domain name in the Parent domain box. Type the name of your DNS server, and then click Resolve to make sure that your DHCP server can contact the DNS server and determine its address. Click Add to include that server in the list of DNS servers that are assigned to the DHCP clients. Click Next, and then follow the same steps if you are using a Windows Internet
  • 3. Naming Service (WINS) server, by adding its name and IP address. Click Next. 9. Click Yes, I want to activate this scope now to activate the scope and allow clients to obtain leases from it, and then click Next. 10.Click Finish. 11.In the console tree, click the server name, and then click Authorize on the Action menu. Installing DHCP Server is very easy in win server 2003 First you need to go to Start–>All Programs–>Administrative Tools–>Manage Your Server Here you need to select Add or remove a role
  • 4. Verify the following steps click on Next
  • 5. Select Server Role as DHCP Server option click on Next Summary selection click on Next
  • 6. Installing DHCP Server in progress Now this will prompt new scope welcome scree click next
  • 7. A scope is a collection of IP addresses for computers on a subnet that use DHCP. enter the name and description of your scope click next
  • 8. Now you need to define the range of addresses that the scope will distribute across the network,the subnet mask for the IP address . Enter the appropriate details and click next. Enter the IP address range that you want to exclude and click on next
  • 9. Select lease duration how long a client can use an IP address assigned to it from this scope. It is recommended to add longer leases for a fixed network (in the office for example) and shorter leases for remote connections or laptop computers and click next
  • 10. You are given a choice of whether or not you wish to configure the DHCP options for the scope now or later.You can select Yes,I want to… radion button and click next Enter the router, or gateway, IP address click next. The client computers will then know which router to use and click next
  • 11. Enter the DNS and domain name settings can be entered. The DNS server IP address will be distributed by the DHCP server and given to the client click next
  • 12. If you have WINS setup then here is where to enter the IP Address of the WINS server. You can just input the server name into the appropriate box and press Resolve” to allow it to find the IP address itself click next Now you need to activate this scope now and click next
  • 13. DHCP Server new scope installation was finished and click finish Now your server is now a DHCP server message and click finish
  • 14. Configuring DHCP Now you need to go to Start—>Administrative Tools—>DHCP
  • 15. Right Click on your server click on Authorize your DHCP Server
  • 16. Authorization completed now your DHCP server is up and running
  • 17. DHCP servers permit you to reserve an IP address for a client. This means that the specific network client will have the same IP for as long as you wanted it to. To do this you will have to know the physical address (MAC) of each network card. Enter the reservation name, desired IP address, MAC address and description – choose whether you want to support DHCP or BOOTP and press add. The new reservation will be added to the list.
  • 18. That’s it it is very easy to configure DHCP server in win server 2003 now you can configure your windows client pc to check your dhcp server is working or not. Ipconfig /Release Ipconfig /Renew Nbtstat –a 192.168.1.10 (IP of remote system) APIPA - Automatic Private IP Addressing Definition: A feature of Microsoft Windows, APIPA is a DHCP failover mechanism. With APIPA, DHCP clients can obtain IP addresses when DHCP servers are nonfunctional. APIPA exists in all popular versions of Windows except Windows NT. When a DHCP server fails, APIPA allocates addresses in the private range 169.254.0.1 to 169.254.255.254. Clients verify their address is unique on the LAN
  • 19. using ARP. When the DHCP server is again able to service requests, clients update their addresses automatically. In APIPA, all devices use the default network mask 255.255.0.0 and all reside on the same subnet.

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