DVR forward to Mikrotik Public IP - NOT Working!

RouterOS General
1

Hey guys,

The setup:
My home router with static ip: 172.17.7.175
My DVR connected to router on lease 192.168.1.101

Router is forwarding port 3427 to lease 192.168.1.101 both protocols

Mikrotik server setup:
Public IP: 78.108.172.23
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DHCP Server on mikrotik is 100% working. No filter deny rules are applied BUT The dvr is not accessible outside my home with the public ip on mobile port.
What did i do wrong?

2

Try this:
/ip firewall filter
add chain=forward dst-address=192.168.1.101 dst-port=3427 place-before=0
/ip firewall nat
add action=dst-nat chain=dstnat dst-address=172.17.7.175 dst-port=3427
protocol=tcp to-addresses=192.168.1.101 to-ports=3427

3

That didnt work at all good sir ofcourse. The DHCP lease I talked about is in my router at home, and the mikrotik server is not aware of such lease.

4

so

internet - mikrotik - home router - DVR ?

on wich port does the home router listen ?
first try with the same ports; 1 on 1 mapping