SnapGear 2.0.1 - Manual (Page 158)

Virtual Private Networking
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Enter the IP Address / Netmask of 10.254.0.1 / 255.255.255.255 at the Slough end, and
10.254.0.2 / 255.255.255.255 at the Brisbane end. Click Apply and reboot the unit if
prompted to do so.
Note
The alias IP addresses are essentially dummy addresses and can be anything that does
not conflict with your existing network infrastructure.
Create an IPSec tunnel between Brisbane and Slough. Select IPSec from the left hand
menu and Add new tunnel. For a complete overview of all available options when
setting up an IPSec tunnel, please refer to the IPSec section earlier in this chapter.
Take note of the following important settings:
Set the local party as a single network behind this appliance. Set the remote party
as single network behind a gateway.
For the Slough end’s Phase 2 Settings, specify the Local Network as 10.254.0.1 /
255.255.255.255 and the Remote Network as 10.254.0.2 / 255.255.255.255. For the
Brisbane end’s Phase 2 Settings, specify the Local Network as 10.254.0.1 /
255.255.255.255 and the Remote Network as 10.254.0.2 / 255.255.255.255. Note the
32 bit netmasks (255.255.255.255) being used.
Figure 9-28