I am trying to upgarde my two pix firewalls (Primary and Faiover one) to the new version 6. I am concerned about the down time during this procedure. Can I upgrade one firewall at a time without causing any problem and prevening down time ?
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...