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Upgrading ASA5520 Failover from 721 to 723

What is the best way to upgrade my current ASA5520 Failover from 721 to 723 with minimal effect on my production network.

TIA

1 REPLY
Cisco Employee

Re: Upgrading ASA5520 Failover from 721 to 723

Since you are upgrading from 7.2(1) to 7.2(3), you should have zero downtime. But, I would always check and make sure that your failover is working properly with 7.2(1) before you bring in another variable into the equation, which is 7.2(3) :-)

Please refer the section "Performing Zero Downtime Upgrades for Failover Pairs" in the below URL.

http://www.cisco.com/en/US/docs/security/asa/asa72/configuration/guide/mswlicfg.pdf

Regards,

Arul

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