graviti
Senior Member
It sounds like you have dirty power. We've got a similar issue. We've had to put all our switches and servers onto UPS to ensure they don't get hit with small surges etc. Bit of an expensive exercise, seeing as we have ten servers and 17 major switches. But definitely looks like your switch could be busted. Probably find you had blown ports to start with. When you replace the switch, let us know what happens