First I would suggest that you upgrade your 2.3i version to 2.3.2i. This is the most current version. Obviously, you will need a sensor. To manage the sensor you will use CSPM. There is no such thing as a "sensor server". The CSPM server is what you will use to manage the sensor. You will need to bootstrap the sensor and then configure the sensor within CSPM. Refer to the following link for additional help with this configuration.
Sensors are separate, turnkey appliances that you place throughout your network. CSPM is used to remotely manage those devices and view their alarm output. Additionally, you may elect to field an alarm aggregation/correlation engine such as netForensics
We have configured the outside and inside Interface with official ipv6 adresses, set a default route on outside Interface to our router, we also have definied a rule , which also gets hits, to permit tcp from inside Interface to any6.
In Syslog I also se...