I didn't quite understand your request. Are you looking to know if v6.0.2 is stable? If that is the question, I recommend you to install the v.5.6.6, because version 6.0.2 is not stable enough.
I recommend you always to wait between 4 and 5 releases before upgrading.
a. i would add one more upgrade step to latest 5.4 (before jump to 5.5)
b. I would stay to latest 5.6,, FortiOS 6.x needs fixes.
DO not forget to read the release notes of this upgrades and take backup configuration after every upgrade , inorder to rollback if needed.
Hi Jklapas, many thanks for above answer.
Just to add. I have managed fortiAP model FP221C -v5.4 -build0339 managed by same firewall that i need to upgrade to 5.6. Is there any impact on them with FW firmware upgrade. will they work as expected after upgrade or they also require firmware upgrade?
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