I went ahead to rule out the ones that will say that my WDR4300 is causing the problem and borrowed an Archer C7 from the family I still experience the same results. so something is extremely off...

I have added Wireshark recording file when accessing the VR600 vs WDR4300 to show how the ARP requests are being ignored. maybe someone can shade some light on this mystery... WDR4300 capture files...

Model : Hardware Version : Firmware Version : ISP : Hi, I recently bought the VR600 to replace my current modem In the VR600 I use 2 LAN ports: 1. A server I have near the VR600, 2. Connected to a...