I use this HP 1810 for Access Switch from July 2012 till now and overall i very2 Disapointed cause this port problem, we have some variant 1810 such as 8 Port, 24 Port & 48 Port...
we have 8 pcs type 48Port and only 48Port is always Blocking Port in Random time period.
Ill try to upgrade Firmware and disable all security feature in the end the ressult is not work.

Is some one make Hard Complain to HP about this case? and what is HP respon??

Thank you.