I’ve bumped into similar quirks whenever NAT, VLAN tags, and chat apps get mixed together, and it can feel like chasing ghosts. In my case, tweaking DHCP scope isolation and making sure the SSID’s VLAN ID wasn’t clashing with the home router helped a...

I know this thread is a bit old, but I’m curious whether anyone tried switching the SSID from NAT mode to bridge mode just to test if Whatsapp behaves differently. I’ve seen similar quirks disappear once the client gets a clean upstream DHCP lease. I...