I haven't usually had much success upgrading via cd-rom. I've always done FTP. Not that it helps you much here, but the three times I've tried to do that via CD on our 200s, I can't ever get it to work. Maybe we're both doing something wrong.
We just did this procedure. Your syntax is correct. I would look at the CD itself.
The CD must be an ISO image. In the upgrade from 4.1.5 to 4.2.1 you are upgrading the data files that are contained in the ISO image, it also contains all the filesystem metadata (boot code, structures, and attributes).
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...