If you don't already have a device acting as a VPN gateway, the first thing you
need to do install one. Some features of this client can only be taken advantage
of when communicating with a gateway operating system that supports a similar
feature set.
If you are in the process of evaluating which platform may be a good fit for your
environment, please read the topic entitiled, Issues with IPSEC. Reviewing this
may help you determine which features to look for before making a final
selection.