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David1234
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I want to do NAT for 3 devices,possible?

Wed Mar 06, 2013 5:27 pm

I have one router that connect to the internet
connect to him 3 more devices - I want to be able to get to them from away
I know how to do NAT to 1 device
but how can I do it to 3 devices?
all of them use the same port ( but different address : 192.168.1.1,192.168.1.2,192.168.1.3, port 554)
can I do this?


Thanks ,
 
CelticComms
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Re: I want to do NAT for 3 devices,possible?

Wed Mar 06, 2013 5:30 pm

Use different ports externally and map each to the same port internally - but different device.
 
David1234
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Re: I want to do NAT for 3 devices,possible?

Wed Mar 06, 2013 8:24 pm

can you show me 1 example?
how do to NAT to 192.168.1.2 and I change the port to 1500?

Do I need to change dst port and in the action port?
 
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shahbazian
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Re: I want to do NAT for 3 devices,possible?

Wed Mar 06, 2013 8:47 pm

David1234
If your public ip address is 1.2.3.4 and your private addresses is 192.168.1.1, 192.168.1.2, 192.168.1.3 you must add this rules:
/ip firewall nat
add chain=dstnat dst-address=1.2.3.4 protocol=tcp dst-port=1 action=dst-nat to-addresses=192.168.1.1 to-ports=100
add chain=dstnat dst-address=1.2.3.4 protocol=tcp dst-port=2 action=dst-nat to-addresses=192.168.1.2 to-ports=100
add chain=dstnat dst-address=1.2.3.4 protocol=tcp dst-port=3 action=dst-nat to-addresses=192.168.1.3 to-ports=100
By adding this rules every tcp traffic come to 1.2.3.4:1 then go to 192.168.1.1:100
 
David1234
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Re: I want to do NAT for 3 devices,possible?

Thu Mar 07, 2013 5:33 pm

Thanks!

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