This involves loading the new code version onto the disk of the standby ASA, then rebooting it so that it boots up running the new version, and syncs with the active ASA.ģ) The active ASA running the old code must be running a version of code prior to 8.4(6), 9.0(2), or 9.1(1)3Ĥ) The standby ASA must be rebooted and running a version of code 8.4(6) or 8.4(6)1, 9.0(2) or 9. To encounter the problem, all of the following conditions must be met:Ģ) A hitless upgrade must be attempted. "Number of interfaces on Active and Standby are not consistent.If the problem persists, you should disable and re-enable failover on the Standby." And, I've verified they currently use 10 Mbps/10 Fiber internet, which they're planning to upgrade to 20/20 soon. They also have 10/100 Netgear switch FS750t2 connected to the ASA at my main location which has 2 Gigabit ports. When the standby boots up with the new version, failover synchronization might fail and the following error might be printed to the console: Hi all, I have just began working at a company a couple of weeks ago, they have Cisco ASA 5505 set up between locations. When attempting to perform a hitless upgrade of a failover pair of ASAs from a version prior to versions 8.4(6) and 9.0(2) and 9.1(1)3 to a version at or after 8.4(6) and 9.0(2) and 9.1(1)3 might fail.
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