Robert_M wrote So.... took a change and updated al three Deco M9v2 to beta "1.4.0 Build 20200319 rel55255" mentioned a few post above. Finally the NAT Loopback / Hairpinning bug is now solved and...

@Oakmeister Oakmeister wrote Ok, so I upgraded with the link supplied earlier today. I used to own the M9 Plus V1 Twin pack which I returned and purchased a triple pack instead. Unfortunatly the...