User guide

Configuring Virtual Private Networks

94 WatchGuard Firebox X Edge

• The static IP address of each Firebox X Edge external interface,

the network address of the private (trusted) network located

behind each Firebox X Edge (the networks that will

communicate through the VPN), and their subnet masks. The

base trusted IP address of each Firebox X Edge must be static

and unique.

• The DNS and WINS server IP addresses, if used.

• The shared key (passphrase) for the tunnel. The same shared key

must be used by both devices.

• The same encryption method for each end of the tunnel (DES or

3DES).

• The same authentication method for each end (MD-5 or SHA-

1).

OTE

tThe trusted networks at either end of the VPN tunnel must have

different network addresses.