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NAT Loopback on ER7212

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NAT Loopback on ER7212

This thread has been locked for further replies. You can start a new thread to share your ideas or ask questions.
NAT Loopback on ER7212
NAT Loopback on ER7212
2025-01-02 14:35:52
Tags: #NAT
Model: ER7212PC  
Hardware Version: V1
Firmware Version: 1.2.0

Hi all,

i hope everyone is well.

 

I have an ER7212PC V1 (Firmware 1.2.0) and I am having an issue with NAT loopback.

 

We have a web server running on the internal LAN, port forwarded to WAN. Accessing externally via the IP or DNS works fine, but accessing internally via the DNS/external IP does not work.

 

This is obviously a NAT loopback issue but I cannot find the option to enable/configure this, nor any documentation online?

 

Any help would be greatly appreciated, as the only thing I found a technician made a ticket, so no idea how to resolve it: https://community.tp-link.com/en/business/forum/topic/672190

 

Thank you in advance!

 

Best regards, Jack.

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Re:NAT Loopback on ER7212
2025-01-06 01:17:12

Hi @JackCalloway 

Thanks for posting in our business forum.

So in his case, he got an extra router on the WAN. Port forwarded twice. And that doesn't work for the NAT loopback of course. That's no longer an issue with the NAT loopback.

 

What about your case?

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