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dan5544
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Posts: 10
Joined: Tue Mar 05, 2019 3:58 am

nat issue on mikrotik routers

Thu Jul 04, 2019 11:36 pm

hello is anyone here playing games like cod series or any game showing u whats ur nat ingame i mean open nat , moderate nat and stric nat ( into game client )
need to know its about mikrotik routers nd radio or what ..actully i cant get open nat whit my sxt5hpnd ( cable to laptop from sxt ) no modem or another routers between my laptop nd sxt)
1.i tryed to set ip static from ma laptop to router
2.i tryed static ip for ma internet
3.i dont want use dmz
4.my internet service is point to multi point
5.my firewall rule :
/ip firewall nat
add action=masquerade chain=srcnat
6.sxt configuration mode :router ( ppoe connection on sxt )

thanks for help
 
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cdiedrich
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Re: nat issue on mikrotik routers

Fri Jul 05, 2019 11:41 am

I'm totally not into gaming but I'm almost certain that it has to do with your loose masquerade rule.
This rule catches any traffic and NATs from anywhere to anywhere.
Modify it to narrow down matches:
/ip firewall nat
add action=masquerade chain=srcnat src-address=your.lan.space/24 out-interface=wlan1 ##or whichever name your wan-facing interface has
Next you might wish to check UPnP.
-Chris

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