If this happens with multiple different ROS versions (6.48.6 as v6 long-term, 6.49.6 as v6 stable, any recent v7 such as 7.5), then it's most likely a hardware failure.

I did ROS update from 6.47 factory default to 7.5 .. I'll try to downgrade to 6.49.6.

Hi The title says it's all. If I try to enable any of the ports what powered by the switch2 cpu (6-10) the RB4011 freeze, getting very slow, showing false informations about the ports ( it shows its RS ) while there is no cable attached in the port.. and measuring incredible TX/RX speeds (like 34.4 ...