I would be curious if there was a fix also. Our MS350-48 seems to only do it on 3 ports. The odd thing is, that one of them has nothing plugged in to it. One just enable/disables for a couple seconds at bursts through through out the day/night. The other is enabling/disabling, but it is also at times coming up at 1GFDX or 10FDX. I changed its network cable and see what happens. I am leaning toward a network jack power management, but we have about 20 of the same systems with the same setups, and only two of them have issues.
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