Configuring the Trusted Network62 Firebox X Edge e-SeriesTo configure the Firebox X Edge as a DHCP Relay Agent for the trusted interface:1 Use your browser to connect to the System Status page. From the navigation bar, selectNetwork > Trusted.The Trusted Network Configuration page appears.2 Select the Enable DHCP Relay check box.3 Type the IP address of the DHCP server in the related field.4 Click Submit. You must restart the Firebox X Edge for new configuration to start.If the Firebox X Edge cannot connect to the DHCP server in 30 seconds, it uses its own DHCP server to give IPaddresses to computers on the trusted network. You must enable the DHCP Server on the trusted networkfor the DHCP relay function to operate.Using static IP addresses for trusted computersYou can use static IP addresses for some or all of the computers on your trusted network. If you disablethe Firebox X Edge DHCP server and you do not have a DHCP server on your network, you must manu-ally configure the IP address and subnet mask of each computer. For example, this is necessary when aclient-server software application must use a static IP address for the server. Static IP addresses must beon the same network as the Edge trusted interface. Computers on the trusted network with static IPaddresses must use the Edge trusted interface IP address for the default gateway. I f a computer doesnot use the Edge as the default gateway, it usually cannot get to the external network or the Internet.To disable the Firebox X Edge DHCP server, clear the Enable DHCP Server on the Trusted Networkcheck box on the Trusted Network Configuration page and click Submit.Adding computers to the trusted networkYou can connect as many as three computers to the trusted interface of the Firebox X Edge e-Series ifyou connect each computer to one of the Edge’s Ethernet ports 0 through 2. You can use 10/100 BaseT
