Excuse my lack of knowledge in advance, I've mostly been working with SonicWall and Fortigate in the firewall department.
So we've taken over a customer who has an ASA 5506 with OS 9.6(1) and ASDM version 7.6(1). We got the replacement unit which is running OS version 9.8. When I booted the new unit, the ASDM installed on site isn't supported with the newer OS on the ASA.
The issue is the customer doesn't have a valid service contract, so I'm unable to access any downloads on Cisco's website. How would you go about doing this upgrade - any tricks or just get a contract?
The replacement unit doesn't come with an extra power supply, so I have to schedule downtime for the customer in order to swap the unit and can't do any testing in my office. I was able to get most of the services running using the old running-config and CLI, except for the VPN tunnels. We also want the ASDM for long-term management.
EDIT: The old unit was affected by the clock signal bug which means it could die any time. This is why they received a replacement unit.
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