Configuring the DHCP Relay Agent

The process for configuring the DHCP Relay Agent is outlined below:

* Enable Routing and Remote Access Server (RRAS)
* Install the DHCP Relay Agent routing protocol
* Configure DHCP Relay Agent properties
* Configure/enable the DHCP Relay Agent on the router interface to forward DHCP broadcast messages.
* View statistical information on the operation of the DHCP Relay Agent

How to enable Routing and Remote Access Server (RRAS)

1. Click Start, All Programs, Administrative Tools and then click Routing and Remote Access to open the Routing And Remote Access console.
2. Right-click the node of your server, and then choose Configure And Enable Routing and Remote Access from the shortcut menu.
3. The Routing and Remote Access Server Setup Wizard launches.
4. Click Next on the initial page of the wizard.
5. On the Configuration page, select the Custom Configuration option. Click Next.
6. On the Custom Configuration page, enable the LAN Routing checkbox. Click Next.
7. Verify your configuration settings on the Summary page.
8. Click Finish.
9. Click Yes when prompted to start the RRAS service.

How to install the DHCP Relay Agent routing protocol

1. Open the Routing And Remote Access console
2. Expand the IP Routing node in the console tree.
3. Right-click the General node, and then select New Routing Protocol from the shortcut menu.
4. The New Routing Protocol dialog box opens.
5. Select DHCP Relay Agent.
6. Click OK.

How to configure DHCP Relay Agent properties

1. Click Start, All Programs, Administrative Tools and then click Routing and Remote Access to open the Routing And Remote Access console.
2. Expand the IP Routing node in the console tree.
3. Right-click the DHCP Relay Agent node, and then select Properties from the shortcut menu.
4. On the General tab, enter the IP address of the DHCP server in the Server Address text box, and click Add.
5. Repeat the above step for each DHCP server that you have to add.
6. Click OK.

How to enable the DHCP Relay Agent on a router interface

1. Click Start, All Programs, Administrative Tools and then click Routing and Remote Access to open the Routing And Remote Access console.
2. Expand the IP Routing node in the console tree.
3. Right-click the DHCP Relay Agent node and then select New Interface from the shortcut menu.
4. Select the interface that is on the same subnet as the DHCP clients.
5. Click OK.
6. In the DHCP Relay Properties dialog box, ensure that the Relay DHCP Packets checkbox is selected on the General tab.
7. You can change the Hop-Count Threshold and Boot Threshold values.
8. Click OK.

How to view statistical information on the operation of the DHCP Relay Agent

1. Click Start, All Programs, Administrative Tools and then click Routing and Remote Access to open the Routing And Remote Access console.
2. Select the DHCP Relay Agent node, and view the statistical information that is displayed in the details pane of the Routing And Remote Access console:
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