Best Data Products DSL502E_EU - Manual (Page 35)

Best Data DSL542 ADSL Ethernet Router User’s Guide
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Field Description
Address Type Static or Dynamic. Static indicates that the IP
number has been assigned permanently to the
specific hardware device. Dynamic indicates that
the number has been leased temporarily for a
specified length of time.
Time
Remaining The amount of time left for the device to use the
assigned address.
Configuring DHCP Relay
Some ISPs perform the DHCP server function for their customers’ home/small office
networks. In this case, you can configure the device as a DHCP relay agent. When a
computer on your network requests Internet access, the Best Data DSL542 contacts your
ISP to obtain an IP address (and other information), and then forwards that information to
the computer.
First, you must configure your PCs to accept DHCP information assigned by a DHCP
server:
1. Open the Windows Control Panel and display the computer's Networking
properties. Configure the TCP/IP properties to "Obtain an IP address
automatically" (the actual text may vary depending on your operating system).
Next, you specify the IP address of the DHCP server and select the interfaces on
your network that will be using the relay service.
2. Log into the Configuration Manager, click the LAN tab, and then click DHCP Relay
in the task bar.
The DHCP Relay Configuration page displays, as shown in Figure 19.
Figure 18. DHCP Relay Configuration Page
3. Type the IP address of your ISP’s DHCP server in the fields provided.
If you do not have this number, it is not essential to enter it here. Requests for IP
information from your LAN will be passed to the default gateway, which should route
the request appropriately.
4. If the interface named eth-0 is not already displaying, select it from the drop-
down list and click .
The eth-0 interface specifies that your default Ethernet (LAN) interface is running
DHCP relay for your LAN. Typically, this is the only interface you need to specify here.
If the Best Data DSL542 has additional interfaces that you want to perform DHCP
relay, you can select and add them.
(You can also delete an interface from the table by clicking in the right column.)