ASA Hardware Upgrade

Unanswered Question
Jan 20th, 2010
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We currently have a set of ASA5520's in resilient failover mode and wish to upgrade them to 5550's. The problem is we would like to have no downtime of the Firewalls.

I have an idea of replacing the the Standby first with a 5550 and bringing on line with the Primary 5520. Then failing over to make the 5550 Primary and the 5520 Secondary. Then upgrade the Secondary 5520 to a 5550. Leaving us with a succesfull upgrade to ASA5550's and no down time.

Has any one done this or can see an issue with this type of upgrade path.

Many thanks

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Ian Beck Wed, 01/20/2010 - 06:21
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Just had a thought, even if the 5520 is accept, for model differenences, identical.

That is we have a 4GE-SSM in the 5520.



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