@Joseph-TP I replied to the ticket accordingly, also mentioning a non-functional LAN port due to the firmware upgrade, to which they asked me to communicate to the TP-Link local support with my...

@Joseph-TP Yeah, the tech team reached out to me via email and wanted the system logs and the config files. I had sent them everything duly. Thanks for the support!!

@Joseph-TP You are bang on in terms of the network topology, but there's no Deco involved here Also, here are my pingplotter results Here's my ONU pingplotter result Google DNS and WhatsApp ping plot

Day before yesterday TP-Link pushed me to update my router firmware to the version mentioned. Since then, I'm facing constant ping spikes even when pinging my router from the desktop directly via a...