User manual

Virtual Private Networking
202
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 and then click the New button under Tunnel List. A window similar to the
following is displayed.
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.
Select the interface the IPSec tunnel is to go out on. The options depend on what is
currently configured on the SG unit. For the vast majority of setups, this is the default
gateway interface to the Internet. In this example, select the default gateway interface
option.