Check for your connections (IP connections) and have the pix comeup without any interface connecting to it and see if you Nat statements or things like that are overloading it. Use (show traffic) if you ever get to the box.
Second thing would be to think about the PIX OS, what is the version?
Login to the FXOS chassis manager.
Direct your browser to https://hostname/, and log-in using the user-name and password.
Go to Help > About and check the current version:
Check the current version availa...
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...