Upgrades to AsyncOS are available at anytime until you have support contract and feature keys available on the box.
In regard to appliance replacement or upgrade, if the appliance you currently have is not listed under EOL (End of life) listed under announcements on support portal, you are good. If you have an appliance that is listed under EOL or soon to be please discuss this with your Cisco IronPort sales contact. If you plan to get an upgrade to the appliance at anytime, discuss this with your sales contact.
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...