I am trying to upgrade our ASA5520(Primary/Standby) to 8.45.
Can i upgrade 8.25 directly to 8.45 or do i have to upgrade to 8.3 first?
Yes, you'll need to upgrade your software image from 8.2.5 --> 8.3.1 --> 8.4.5
Please note that you've enough RAM and FLASH size for this.
Please note once you've moved to 8.3.X and above, the NAT syntax changes completely.
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