Hello!
I have NVR in my lan. I would like to publish it to internet and be able to access it with public ip not only from wan, but also from lan.
I have at the moment the following rule:

add action=dst-nat chain=dstnat comment=NVR_EXT dst-port=81 \
in-interface-list=WAN protocol=tcp to-addresses=192.168.1.100 to-ports=80

Now it is possible to access NVR from lan by its local address 192.168.1.100 and from internet 1.1.1.1:81. I want to be able to access NVR from LAN by external address: 1.1.1.1:81. How to achieve it?

Thanks!

Or add you public IP as dst address in your firewall rule. you may have to remove In Interface List as well.

Or add you public IP as dst address in your firewall rule. you may have to remove In Interface List as well.

You mean like this:
/ip firewall nat
add action=dst-nat chain=dstnat dst-address=1.1.1.1 dst-port=81 \
protocol=tcp to-addresses=192.168.1.100 to-ports=80

yes. give it a try.