Ive had to use Adaptor in the model selection as my Archer C9 is not listed there .Version is V3 and firware is 171215 . When i first set up my Archer C9 i was able to connect to it remotly using the

When I first set up my router I was able to connect remotely to my router (cloud device)and I used it regularly, but recently (not sure exactly when) I can no longer connect remotely. The app tells me

Hi , Got it all up and running in bridge mode and I can log into it using my TP Cloud login but when I go to the tp link cloud section in the set up it says my device is offline even though its not .