SIEMENS ADSL E-110_E-110-I user manual
Configuring DHCP Relay

Part 1. Defining the DHCP relay interface(s)

1. Select Lan > DHCP Relay. The DHCP Relay Configuration page displays.
This page provides a text box for entering the IP address of your ISP’s DHCP server and a table that
lists the interfaces on your ADSL Router that can relay DHCP information.
2. 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.
3. If the interface named eth-0 is not already displaying, select it from the drop-down list and click
[Add].
4. Click [Apply]. A page gives a receipt for your changes..

Part 2. Enabling DHCP relay mode

1. Select Lan > DHCP Mode.
2. From the DHCP Mode drop-down list, select DHCP Relay and then click [Apply].
A page gives a receipt for the changes.
3. Select Admin > Commit & Reboot and click [Save] to save your changes to per manent storage.

Part 3. Configuring your PCs as DHCP clients

For each computer that you want to configure to receive IP information automatically, configure the TCP/IP
properties to Obtain an IP address automatically (the actual text may vary depending on your operating
system).
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