Watchguard Firebox SOHO 6 User Manual page 69

3 To enable VPNforce, select the Enable Optional Network
checkbox.
4 Type the IP address, DHCP Server, and DHCP Relay for the
optional interface in the applicable fields.
This is the same process for configuring the trusted network. See
"Configuring the Trusted Network" on page 36 for additional instructions
about these fields.
5 To allow traffic between the optional network and trusted
network, select the Allow traffic between Optional Network
and Trusted Network checkbox.
6 To require encrypted MUVPN connections on this interface,
select the Require Encrypted MUVPN connections on this
interface check box.
User Guide
Configuring the OPT Port Upgrades
47