SMC Networks ADSL Barricade SMC7204BRA - Manual (Page 58)

Setting the DHCP Mode
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2. From the [DHCP Mode:] drop-down list, choose [DHCP Server],
[DHCP Relay], or [None]. If you choose [None], your LAN
computers must be configured with static IP addresses.
3. Click [Submit].
4. Click the [Admin] tab, and then click [Commit & Reboot]
in the task bar.
5. Click [Commit] to save your changes to the permanent memory.