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User Guide 2.3 47
Special considerations
other IPSec-compliant devices. To download these instructions,
open your Web browser to:
http://www.watchguard.com/support/interopvpn.asp
Special considerations
Consider the following before configuring your WatchGuard
SOHO VPN network:
• You can connect only two devices together: a WatchGuard
SOHO and either another SOHO or another IPSec-compliant
device. To set up multiple VPN tunnels, you will need to
upgrade at least one SOHO to a WatchGuard Firebox
configured with the WatchGuard VPN Manager.
• Each device must be able to send messages to the other. If
either device has a dynamically assigned Internet (IP)
address (see “Network addressing” on page 12 for an
explanation of dynamic IP addresses), it will not be able to
find its remote counterpart.
• Both devices must be set to use the same encryption method.
The two choices are DES or 3DES. When connecting two
Windows NT networks, the two networks must be in the
same Microsoft Windows domain or be trusted domains.
This is a Microsoft Networking design implementation and
is not a limitation of the SOHO device.