Digi IX10 User Manual page 170

Virtual Private Networks (VPN)
1. Log into the IX10 WebUI as a user with full Admin access rights.
2. On the menu, click System. Under Configuration, click Device Configuration.
The Configuration window is displayed.
3. Click VPN > IPsec.
4. (Optional) Change the NAT keep alive time.
Allowed values are any number of weeks, days, hours, minutes, or seconds, and take the
format number{w|d|h|m|s}.
For example, to set NAT keep alive time to ten minutes, enter 10m or 600s.
The default is 40 seconds.
5. Click to expand Tunnels.
6. For Add IPsec tunnel, type a name for the tunnel and click .
The new IPsec tunnel configuration is displayed.
7. The IPsec tunnel is enabled by default. To disable, click Enable.
8. (Optional) Preferred tunnel provides an optional mechanism for IPsec failover behavior. See
Configure IPsec failover
9. (Optional) Enable Force UDP encapsulation to force the tunnel to use UDP encapsulation even
when it does not detect that NAT is being used.
IX10 User Guide
for more information.
IPsec
170