Have you tried with another cable just to check if its really the CAT7 fault or the device is defect?

Beamforming turned on perhaps?

@Jeffg53 Yes, I just check on the support section for the switches, no firmware to be found, perhaps you can zero it in down on the Decos firmware, as you've said, you never face this issues before...

Also, when login into deco management page through web browser, under system parameters it will hang and not show up anything when theres's a Deco X20 present in the network topology. This wasn't a...

@Jeffg53 TP-link and its subsidiary, Mercusys is a hit and miss with its their firmware, sometimes it works for some, sometimes is just a disaster. Could it be you just updated the firmware recently...

Device on network: Deco X50 (v1.0) (2 nodes) Deco X20 (v3.0) (1 node) Firmware installed: Deco X50(US)_V1_1.4.1 Build 20231122 Deco X20: US 1.1.5 (rolled back to Deco X20(US)_V3_1.1.4 Build 20230824)...