You're right, this does look like a bios issue. Before you install IPS 50 you need to install a new bios. Check the CCO download Center for the bios upgrade, and the IPS 5x README for the upgrade instructions.
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...