
Changing Your Network Settings
50 Firebox X Edge e-Series
Configuring the Trusted Network
You must configure your trusted network manually if you do not use the Network Setup Wizard.
You can use static IP addresses or DHCP for the computers on your trusted network. The Firebox® X Edge
e-Series has a built-in DHCP server to give IP addresses to computers on your trusted and optional net-
works. You can also change the IP address of the trusted network.
The factory default settings of a Firebox X Edge DHCP server automatically give IP addresses to comput-
ers on the trusted network. The trusted network starts with IP address 192.168.111.1. It is a “class C” net-
work with a subnet mask of 255.255.255.0. The Edge can give an IP address from 192.168.111.2 to
192.168.111.254. The factory default settings use the same DNS server information on the internal and
external interfaces.
If necessary, you can disable the DHCP server. Or, you can use the Edge as a DHCP relay agent and send
DHCP requests to a DHCP server on a different network using a VPN tunnel. You can also use static IP
addresses for the computers on your trusted network.
Any changes to the trusted network configuration page require that you click Submit and restart the
Firebox X Edge before the new configuration is used. You can make many changes at one time and then
restart just one time when you are done.
Changing the IP address of the trusted network
If necessary, you can change the trusted network IP address. For example, if you connect two or more
Firebox X Edge devices in a virtual private network, each Edge must use a different trusted network
address. If the two sides of the VPN use the same trusted network IP addresses, one side must change
the trusted network IP address range so that it is different from the other side. For more information, see
“What You Need to Create a VPN” on page 135.
Note
If you change the IP address of the Firebox X Edge trusted interface, you must use the new IP address in
your browser address bar to connect to the Edge’s web management interface. For example, if you
change the Firebox X Edge trusted interface IP address from the default 192.168.111.1 to 10.0.0.1, then
you must use https://10.0.0.1 to connect to the Firebox X Edge. Your computer’s IP address must also be
changed so that it is in the new trusted network IP subnet range.
To change the IP address of the trusted network:
1 To connect to the System Status page, type https:// in the browser address bar, followed by the
IP address of the Firebox X Edge trusted interface.
The default URL is: https://192.168.111.1
2 From the navigation bar, select Network > Trusted.
The Trusted Network Configuration page appears.
3 Type the new IP address of the Firebox X Edge’s trusted interface in the IP Address text field.
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