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Solution Beta for Abnormal NAT Loopback Behavior on Deco BE63/65/11000 V2 When Using Firmware 1.2.10

Solution Beta for Abnormal NAT Loopback Behavior on Deco BE63/65/11000 V2 When Using Firmware 1.2.10

SolutionBeta for Abnormal NAT Loopback Behavior on Deco BE63/65/11000 V2 When Using Firmware 1.2.10
Beta for Abnormal NAT Loopback Behavior on Deco BE63/65/11000 V2 When Using Firmware 1.2.10
a week ago - last edited Yesterday
Tags: #Highlighted Thread #Firmware Update #Wi-Fi 7
Model: Deco BE63   Deco BE65   Deco BE11000  
Hardware Version:
Firmware Version:

Hey Community,

 

We have received user feedback that when using official Firmware 1.2.10, or pre-release firmware 1.3.0 on Deco BE63 V2, Deco BE65 V2, and Deco BE11000 V2, NAT Loopback anomalies, such as the following, may occur:

 

  • Inability to access a local server using the WAN IP + Port from within the LAN, although it works fine via the LAN IP.
     
  • Accessing the server via the WAN IP from an external network works fine.

 

Applies to: 

Deco BE63 V2

Deco BE65 V2

Deco BE11000 V2

 

Available Solution: 

Our R&D department has provided a beta firmware to address this behavior. We encourage affected users to download and manually update to this beta firmware and to share feedback on their experience.

 

Model Direct Download Link
Deco BE63/BE65/BE11000 V2/V2.6 (For Users on 1.2.10)  1.2.10 Build 20260212 (NAT Loopaback Fix)
Deco BE65/BE63/BE11000_V2.0/V2.6 (For Users Testing Pre-Release 1.3.0) 1.3.0_build_26021212_Beta (NAT Loopback Fix)

 

Note: 

  • Pre-release and Beta firmware should be used at your own discretion. We cannot guarantee the functionality of features or technical support for Pre-Release or Beta Firmware. 
     
  • If you are not comfortable using beta firmware, please wait for the official fix or contact our support teams for assistance
     
  • For Deco BE63/BE65 V2 users who are already testing the 1.3.0 Beta Firmware from this thread, or the Deco Heatmap Beta, and experiencing NAT Loopback issues, please reply to this thread with details regarding whether you are encountering the NAT Loopback, and how it is manifesting in your network. If your network is affected, recommend considering the beta firmware build linked above. 
    • Please note: The beta firmware that fixes the NAT Loopback behavior does not support Deco Heatmap, and the feature may no longer function after installing.
       
  • For detailed instructions on manually updating Deco firmware, visit: How to manually update the firmware via web UI.

 

 

Additional Information

As always, we value your feedback. If you happen to encounter any concerns during or after the firmware upgrade, please feel free to comment below with the following information. Your input helps us continue to improve and provide the best possible products and support.

 

  • Provide a detailed network layout, including how the devices are connected.
     
  • Include a detailed description of the behavior and as much information as possible regarding the specific conditions that seem to trigger it.

​​​​​​

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#1
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9 Reply
Re:Fix for Abnormal NAT Loopback Behavior on Deco BE63/65/11000 V2 When Using Firmware 1.2.10
a week ago

  @Ryan hi, I currently have version 1.3.0 build 26021112 rel.24761 - this looks to be the same on the beta thread you mention (or am I wrong?). 

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#2
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Re:Fix for Abnormal NAT Loopback Behavior on Deco BE63/65/11000 V2 When Using Firmware 1.2.10
a week ago - last edited a week ago

  @RyanAPalfrey 

 

Thanks for pointing this out – sorry for any confusion.

 

The overall version is the same (1.3.0); however, the build is different.

 

The original Heatmap beta was version 1.3.0 Build 26021112. However, some users have reported NAT Loopback behavior on 1.2.10 - 1.3.0. If you are experiencing NAT Loopback anomalies, we encourage you to use the latest beta version for the BE63/BE65/BE11000 V2, which is 1.3.0 Build 26021212.

 

That said, if you aren't having issues with NAT Loopback, feel free to remain on the original Heatmap beta firmware.

 

Hope this helps!

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#3
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Re:Fix for Abnormal NAT Loopback Behavior on Deco BE63/65/11000 V2 When Using Firmware 1.2.10
a week ago

  @Ryan so I'm in the EU and I got my beta from the link below. Looking like this location hasn't been updated so should I wait for this to be released on this thread instead?

 

https://community.tp-link.com/en/home/forum/topic/854924?moduleId=39

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#4
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Re:Fix for Abnormal NAT Loopback Behavior on Deco BE63/65/11000 V2 When Using Firmware 1.2.10
a week ago - last edited a week ago

  @RyanAPalfrey 

 

Both posts initially shared identical links to the original beta firmware. We'll reach out to coordinate once we have more info.

 

If your network is affected by the NAT Loopback behavior, we recommend updating your Deco BE63/BE65 1.3.0 beta build using the Download Link, and let us know if it addresses the concern.

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#5
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Re:Fix for Abnormal NAT Loopback Behavior on Deco BE63/65/11000 V2 When Using Firmware 1.2.10
Sunday

  @Ryan any update on the other post being updated with the updated firmware version? 

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#6
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Re:Beta for Abnormal NAT Loopback Behavior on Deco BE63/65/11000 V2 When Using Firmware 1.2.10
Monday

  @Ryan just wanted to report that I tried the beta update and the hairpin NAT issue is resolved. Thanks!

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#7
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Re:Fix for Abnormal NAT Loopback Behavior on Deco BE63/65/11000 V2 When Using Firmware 1.2.10
Monday

  @RyanAPalfrey 

 

From what I've been able to gather so far, the NAT Loopback fix beta firmware is actually an updated beta version of the firmware in this post in our global community forum. Its download link has been updated as of 2/13/26.

 

I'm still looking into whether it's applicable to the beta firmware that introduces Deco Wi-Fi Heatmap, since it is technically slightly derivative of the firmware build above. That said, if you are having NAT Loopback issues, I'd suggest installing it to fix the behavior.

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#8
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Re:Beta for Abnormal NAT Loopback Behavior on Deco BE63/65/11000 V2 When Using Firmware 1.2.10
Monday

  @cardonb 

 

Glad to hear it resolved the behavior for you―thanks for the feedback!

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#9
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Re:Beta for Abnormal NAT Loopback Behavior on Deco BE63/65/11000 V2 When Using Firmware 1.2.10
20 hours ago

Also chiming in to say that this fixed the NAT loopback issue on my BE63s w/1.2.10.  Thanks.

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#10
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