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ISP :

I have a Nas in my house and a public IP fix from my ISP. With my old tp-link router i had the port fordwarding for my Nas and that it worked fine. Now i buy a new router(Archer VR400 - AC1200) i configure the port fordwarding by "Virtual server" section but it does not work. All the others settings are in default and i can ping my public ip.
Help please.

Thanks