The problem was not the network switch. Check out the post at https://www.macintouch.com/forums/showthread.php?tid=471You need to disable Back to my Mac in all Airport routers/base stations.

Model : Hardware Version : Not Clear Firmware Version : ISP : I tried replacing an existing network switch with the unmanaged TL-SG1016D. Upon moving everything to the new switch, I notice that Time...