In 12.2(50)SG6 and SG8 I had the same problem. This is what resolved my problem:I was able to resolve this issue by using doing the following on the modules that had “Pwr Over”: Interface range gig 4/1-48 Power inline never Exit Int...
I had this problem, a couple of things to look at:Frequency: of the user tracking polling--about every 4 hours works for 600 devices otherwise they may step on each other.Performance: In a multi CPU box you should be able to use about 115% CPU usage....