@jra11500 Thanks for your answer. In this case is not a double NAT. That's why I'm adding the route to the AX53. The internal router does not do NAT. But you are probably right that there are some...

Hi, I have found a small bug in the AX3000 router. I have a internal network (with a different IP space than the router) under the LAN of the router. There is also a different router between this...