SXT Connecting TWO Offices with Different subnets???

Dear Mirkotik;

I have purchased 2 SXT Wireless and I would like to use the fast wireless link to join two subnets over the wireless for server data transfer/ backup but leave regular Internet traffic for everything else.


Internet01 ----RB750-01 ----- Switch01 – Servers01 and Workstations01

Building 1
SXT Connected to SWITCH01
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SXT Wireless Point to Point Server / Main ???
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SXT Wireless Point to Point Client???
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Building 02
SXT02 connected to SWITCH02


Internet-02 ----RB750-02 ----- Switch02 – Servers02 and Workstations02


If I use Bridge Mode to connect the Two SXTs how do I get Subnet 192.168.1.0/24 to talk to 172.16.3.0/24
All documentation only shows Bridging for same subnets

My Goal is to be able to send data from one server to another for backup using the very fast Wireless link between building and NOT the slow Internet.

Is this possible???

You should be able to route that over the SXTs in your gateway router on each subnet. I will presume the ip for SXT1 ethernet is 192.168.1.2 and the ip for SXT2 ethernet is 172.16.3.2. Change those if not correct.

In the gateway router for the 192.168.1.x net

/ip route
add gateway=192.168.1.2 dst-address=172.16.3.0/24

In the gateway router for the 172.16.3.x net

/ip route
add gateway=172.16.3.2 dst-address=192.168.1.0/24

Then do the same in the SXTs with the ips of the wireless side ips. I use 10.0.0.1/24 subnets for wireless backhauls and bridges, so assign SXT1 wlan 10.0.0.1/24 and SXT2 wlan 10.0.0.2/24

Then in SXT1

/ip route
add gateway=10.0.0.2 dst-address=172.16.3.0/24

In SXT2

/ip route
add gateway=10.0.0.1 dst-address=192.168.1.0/24

This worked great however I cannot browse any windows files shares or map a network drive using the IP of the servers
Do I need to know setup a VPN over the wireless??? to enable file browsing / mapping network drives?
If so from what point to what point?

I can’t help you with that. Maybe someone else will be able to give you some advice. NetBIOS over TCP/IP may help, but it has been a long time since I used it.