@Clive_A The cable is using Cat6 .. All Desktop connected to both switch can get speed of 1Gbps .. Only speed connection between both switch is 100Mbps only .. here is the sample diagram .. how to...

@Shahrin The uplink is using Cat6

Hi, I have 2 TL-SG1024D switch that linked. But the uplink speed is only 100Mbps. Is there a limitation of the switch? Thanks