I don't need to grab a calculator to figure out what I have already witnessed. I've come across several routers that stop working (partially or completely) or

I don't need to grab a calculator to figure out what I have already witnessed. I've come across several routers that stop working (partially or completely) or spontaneously reboot when there are too many active NAT sessions. At a few customers I've had to set session limits to prevent some devices from being unable to talk to the WAN.