How to forward the ports on the TL-ER6020?

The need arose to connect the prefix TL-ER6020 to work with two providers, in case one falls off. LAN works inside the office everything is functioning normally. Is the IP of the local server 192.168.0.110, you must implement the access outside the office, that is from the Internet.
I also identified and fixed local IP for the server 192.168.0.110.
Tried to forward the ports through Transmission -> NAT -> Virtual Servers

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At the end, when I go via the external IP = the page is unavailable.

Instructions used:
https://www.tp-link.com/us/support/faq/2132/ - did Not help
https://www.tp-link.com/ru/support/faq/2026/ - did Not help
March 23rd 20 at 19:37
2 answers
March 23rd 20 at 19:39
Solution
All because of "gray" IP, connected service static IP from your provider. It worked!
March 23rd 20 at 19:41
In addition to the comments above, it would be nice to translate the face of the router not on 80th port (or allow connections from the outside, or off the web face at all). The router may block such connections do not get!
Thank you) How to do it?)) - Payton34 commented on March 23rd 20 at 19:44
@Payton34, at least to look for that in the settings or in the manual. Not the fact that the router is, in principle, able - khalil.Turcotte commented on March 23rd 20 at 19:47
@khalil.Turcotte, tried him to prescribe a different port, change the access address to the muzzle, but still no access. The strange thing is that I even web interface via the external IP does not get what the problem is. - Payton34 commented on March 23rd 20 at 19:50
@Payton34, are you sure that you have a white IP? - khalil.Turcotte commented on March 23rd 20 at 19:53
@khalil.Turcotte, I am already thinking about it, because I do not see the logic.. - Payton34 commented on March 23rd 20 at 19:56
@khalil.Turcotte, never thought that could be the problem in IP, ordered static and it worked. Thank you for participating! - Payton34 commented on March 23rd 20 at 19:59

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