@Dahliana I am a wee bit embarrassed at the moment. While I was working on your request, I first did some some print screens of the good port and the bad port to show the duplicated ping responses. I...

I have a problem with my TL-SG1024DE switch where any device connected to port 11 and pinged from a device on another port results in a return plus a duplicate ping, “(DUP!)”. This was tested with...