@Dorito After some time now I can confirm the Nintendo Switch does not need the 1:1 NAT rule on the ER605.

@KimcheeGUN Hi thanks again. I'm able now to go and testdrive the TR-ER605. KimcheeGUN wrote @Dorito I do not have it enabled at this moment.

@KimcheeGUN Ok and what about having uPnP Enabled or Disabled? Regards.

@KimcheeGUN Hi thanks for replying! That is good news. Currently I have pfsense installed and 1:1 is needed for games like Animal crossing. I don't have uPnP and don't want it to. So the question is...

@Hank21 Hello, I checked again loading the factory defaults and the uPnP is disabled. As towards uPnP it's recommended for security reasons not to enable this. At this point my IP on the WAN side is...

@Hank21 Thanks again, I do think this is a design flaw and it should be addressed. I've used several other type of routers/firewalls and never encountered this issue. As most providers don't give you...