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ASA IOS upgrade from 8.4(3) to 9.1(1)

Hi,

Q1: Please advise that is it wise able at this time to upgrade from our current version of ASA IOS 8.4(3) to new ASA IOS 9.1.1, as its quite newly released IOS version, might have bugs?

Q2: How we can compare ASA IOS 8.4(3) vs ASA IOS 9.1.1 ?

Q3: What are the steps to upgrade from our current version to latest version 9.1.1 ?

Thanks

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Re: ASA IOS upgrade from 8.4(3) to 9.1(1)

Q1: Please advise that is it wise able at this time to upgrade from our current version of ASA IOS 8.4(3) to new ASA IOS 9.1.1, as its quite newly released IOS version, might have bugs?

If there are features that you are interested in, then It's a good idea to upgrade. New Bugs? For sure! Still stable? I thinks so.

Q2: How we can compare ASA IOS 8.4(3) vs ASA IOS 9.1.1 ?

What do you wan't to compare?

Q3: What are the steps to upgrade from our current version to latest version 9.1.1 ?

First upgrade to 8.4(5) and then to 9.1(3)

More on the new features and how to upgrade in the release-notes:

http://www.cisco.com/en/US/docs/security/asa/roadmap/asa_new_features.html

http://www.cisco.com/en/US/docs/security/asa/asa91/release/notes/asarn91.html

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