WatchGuard Technologies FireboxTM System 4.6 - Manual (Page 51)

User Guide 41
Defining a Firebox as a DHCP server
Modifying an existing subnet
From Policy Manager:
1 Select Network => Configuration. Click the DHCP Server tab.
2 Click the subnet to review or modify. Click Edit.
3 When you have finished reviewing or modifying the subnet, click OK.
Removing a Subnet
From Policy Manager:
1 Select Network => Configuration. Click the DHCP Server tab.
2 Click the subnet to remove it. Click Remove.
3 Click OK.