@Brons2 wrote: I had problems with 11.22 also, see my thread "11.22 killed my call center". I rolled back to 10.45 though instead of going forward to 11.28. It sounds like I need to stay on 10.45 if I can't use port mirroring on 11.28. I have mirror ports going to a security device, looking for lateral movement of malware. I have no intention of disabling this. That is a safe way to go for sure, so I respect that. That being said, I am curious though if it was only because port-mirroring was enabling 'during' the upgrade process that it broke stuff. I wonder if you turn it off 100%, perform the upgrade, and then re-enable post upgrade if it would still cause issues or not. Obviously I don't expect you to find out with your production environment of course lol, but just food for thought.
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