Tuesday, January 7, 2020

1:1 NAT on Mikrotik.

Hi guys I am doing 1:1 NAT for the first time.

One of our customers have their own router behind our own. They have VPNs and similar stuff on it. I have absolutely no access to their router and I only know their address trough ARP.

I have first tried this(1:1 mapping on that link):

https://wiki.mikrotik.com/wiki/Manual:IP/Firewall/NAT

The customer was able to create outbound connections but inbound traffic towards their router did not work.

I have then tried this:

https://wiki.mikrotik.com/wiki/How_to_link_Public_addresses_to_Local_ones

But as of this moment I have no idea if it works as I don't know how to test this without access to the customers router.



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