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TL-ER6120 not routing as expected

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TL-ER6120 not routing as expected

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TL-ER6120 not routing as expected
TL-ER6120 not routing as expected
2020-09-24 19:02:42 - last edited 2021-04-18 10:54:17
Model: Adapter  
Hardware Version: V1
Firmware Version: 1.0.7 Build 20140113 Rel.63736

Hi, I'd like to know if it's possible to make the TL-ER6120  router to behave as I expected. All I need is the incoming UDP traffic gets replied from the same WAN interface it came from. Right now outgoing traffic sticks to one WAN interface no matter where the packet came from. For example, traffic reach the internal server through WAN1, and the remote app gets replied from WAN1, but the same traffic gets through WAN2, and the reply gets out from WAN1.

 

I've been trying many things and I've come across the setting " Enable Application Optimized Routing " but when I uncheck it, all the traffic gets replied using WAN2, even the UDP packets reaching the server through WAN1.

 

I don't know what else to do, I'm beginning to think that it's not even possible. Could anyone help?

 

 

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Re:TL-ER6120 not routing as expected
2020-09-28 03:44:51 - last edited 2021-04-18 10:54:17

@Alejandro9719 

 

All I need is the incoming UDP traffic gets replied from the same WAN interface it came from.

 

Try policy routing function,

https://www.tp-link.com/en/support/faq/530/

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Re:TL-ER6120 not routing as expected
2020-09-28 04:15:10 - last edited 2021-04-18 10:54:17

 

Yannie wrote

@Alejandro9719 

 

All I need is the incoming UDP traffic gets replied from the same WAN interface it came from.

 

Try policy routing function,

https://www.tp-link.com/en/support/faq/530/

@Yannie 

 

I don't see how would I be able to create a policy that specifically target incoming traffic from one WAN interface. All I see is source IP, which makes sense because policy routing is a mean to control outgoing connections. What I need is the router to reply using the same interface from which the packet came through.

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