05-12-2014 06:50 AM - last edited on 03-25-2019 05:53 PM by ciscomoderator
Hello,
Can I upgrade ASA IOS from 8.4(1) to 9.1 without any impact to the configuration?
I note that i have no NAT rule on my Firewall.
ASA5510 / RAM: 1024 MB
Thanks for your help !
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