Read the release notices, it will advise what versions you can jump,
however if the FW is working properly and is still receiving updates to
AV, IPS etc then I would leave it, as 5.2.9 is the latest, and from my
experience we have 2x100d 2x60e 1x 140...
I also have been experiencing very high CPU utilization on both 80CM &
140D,running 5.2.7 & 5.2.9. While you can change the settings above,
which I also performed which did not seem to have any effect. I found
that turning off inspect all ports under...
