SnapGear 2.0.1 - Manual (Page 124)

Virtual Private Networking
120
Warning
It may be necessary to reduce the MTU of the IPSec interface if large packets of data are
not being transmitted.
Configure a tunnel to connect to the headquarters office
To create an IPSec tunnel, click the IPSec link on the left side of the Web Management
Console web administration pages and then click the Add New Tunnel tab at the top of
the window. A window similar to the following will be displayed.
Figure 9-14
Tunnel settings page
Fill in the Tunnel name field with an apt description for the tunnel. The name must not
contain spaces or start with a number. In this example, enter Headquarters.
Leave the Enable this tunnel checkbox checked.