@Vergine all the devices in network was upgrade at the last firmware version fron the begin.. i have noted that some wired clients have those kind of problem: PC1 is connected to Switch...

i have a OC_200 installed with 1 switch TL-SG2210P, 1 switch TL-SG2218, 1 router TL-R605, 3 EAP225 and some problem with network. the controller goes often offline and than goes back online, also 3...