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TCP connection to the Controller on port 29817

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TCP connection to the Controller on port 29817

TCP connection to the Controller on port 29817
TCP connection to the Controller on port 29817
2026-05-05 01:59:26 - last edited 2026-05-09 01:17:07
Tags: #Controller #Firmware Update #Adoption
Model: Omada Cloud Essentials  
Hardware Version: V6
Firmware Version: 6.2.0.100

 

Can anyone help me? I'm having this problem at one of my sites. I'm using Omada Essential Cloud. I have six EAP603 Outdoor devices with firmware version 1.5.51.

 

"monitor link down due to failure of TCP connection to the Controller on port 29817"

 

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Re:TCP connection to the Controller on port 29817-Solution
2026-05-08 05:41:54 - last edited 2026-05-09 01:17:07

Hi,  @ludbarri 

Thank you for posting on our business forum.

A new device data collection and reporting mechanism has been introduced in Controller V6. To ensure proper communication between your devices and the controller, you will need to open TCP port 29817. If you have multiple devices that need to communicate with the controller, you will need to configure multiple corresponding access rules accordingly.

For detailed configuration instructions, you can refer to the port forwarding configuration guide for Archer routers: TP-Link Port Forwarding Setup Guide | Open Ports on Your Router

If you still experience the same log issue after opening the required port, we suggest you check whether the port forwarding rule is correctly set up, or verify if your firewall settings are blocking communication over this port.

 

Click Here to Get the Latest Omada SDN Controller Releases Get the Latest Firmware Releases for Omada Switches Here Get the Latest Firmware Releases for Omada Routers Here Experience the Latest Omada EAP Firmware
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Re:TCP connection to the Controller on port 29817
2026-05-05 02:23:52 - last edited 2026-05-05 02:28:31

  @ludbarri  I have 5 Omada Essential controllers, with a total of 90 sites, I only have this problem on one "SITE". My ISP is Starlink, I'm using a Starlink V4 and a Tplink Archer AX12 Gigabit Router.

 

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Re:TCP connection to the Controller on port 29817
2026-05-05 02:42:23

Hi @ludbarri 

Thanks for reaching out to TP-Link Business Forums.

 

This is a new mechanism introduced to V6 Controller. Which ports do Omada SDN Controller and Omada Discovery Utility use? (above Controller 5.0.15) | Omada Network Support

Since you are using a third party gateway, you need to open the port on that router.

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Re:TCP connection to the Controller on port 29817
2026-05-05 03:08:27

  @Gabriel-TP 

Can you tell me if this is the correct configuration?

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Re:TCP connection to the Controller on port 29817
2026-05-05 03:43:19

Hi @ludbarri 

 

What's the device owing IP 192.168.0.100?

As you said you have been using Starlink & Archer router, can you specify the network topology and their own IP ranges?

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Re:TCP connection to the Controller on port 29817
2026-05-07 09:51:02

  @Gabriel-TP 

I also get this every now and then although the ports are open, some days it works, some days I get these entries in the site's log.

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Re:TCP connection to the Controller on port 29817-Solution
2026-05-08 05:41:54 - last edited 2026-05-09 01:17:07

Hi,  @ludbarri 

Thank you for posting on our business forum.

A new device data collection and reporting mechanism has been introduced in Controller V6. To ensure proper communication between your devices and the controller, you will need to open TCP port 29817. If you have multiple devices that need to communicate with the controller, you will need to configure multiple corresponding access rules accordingly.

For detailed configuration instructions, you can refer to the port forwarding configuration guide for Archer routers: TP-Link Port Forwarding Setup Guide | Open Ports on Your Router

If you still experience the same log issue after opening the required port, we suggest you check whether the port forwarding rule is correctly set up, or verify if your firewall settings are blocking communication over this port.

 

Click Here to Get the Latest Omada SDN Controller Releases Get the Latest Firmware Releases for Omada Switches Here Get the Latest Firmware Releases for Omada Routers Here Experience the Latest Omada EAP Firmware
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Re:TCP connection to the Controller on port 29817
2026-06-30 11:57:57 - last edited 2026-06-30 11:59:45

 One of my EPA also show this error 

that happen after one of latest update, no new device  connected over Wifi, also this EPA has 0 clinet , so no data is send over IT. Total 6 EAP's in network, only one show this issue, 

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Re:TCP connection to the Controller on port 29817
2026-07-01 01:21:56

Hi,  @M_artin 

Thank you for sharing that you have encountered the same issue in this thread as well.

 

To help us better locate the root cause of the problem, could you please help confirm the following information:

1. Could you please confirm whether you have opened port 29817 on your router?
2. Do you have any relevant firewall configurations enabled on your router? If so, could you please temporarily disable the firewall for troubleshooting?
3. Are any of your other EAP devices experiencing this same error? Do other EAP devices share the same configuration as the affected EAP? You may also perform a test by swapping the positions of this EAP and another normally functioning EAP.
4. Additionally, we would like to confirm how frequently this error message occurs.
Thank you very much for your cooperation.

 

 

Click Here to Get the Latest Omada SDN Controller Releases Get the Latest Firmware Releases for Omada Switches Here Get the Latest Firmware Releases for Omada Routers Here Experience the Latest Omada EAP Firmware
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Re:TCP connection to the Controller on port 29817
2026-07-01 03:48:15

  @ludbarri Ths for looking my issue

after 15h  when I disconnected that EAP, no issue with LOG anymore 

also no "heardbit" when I login to Omada from SG2428P 

that was really frustated me, because nothing I can do 

 

Before I disconnected  EAP ,  test other LAN port to see if maybe is a port defective, but no different 

Never set any firewall

never set any port forwarding  etc

 

error frequently you can see in a LOG, 8min...20min...1h 

as I mention before, there is no Wifi devices connected to that EAP 

 

Anyway to force update ? when I try over OMADA, it  failed due to "latest frimware already installed" 

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Re:TCP connection to the Controller on port 29817
2026-07-02 17:34:15

  @Nathan-TP 

 

hi, I have this issues on multiple sites via the essential cloud controller

 

It only affects certain mode APs

 

all my sites are connected as follows

 

clients ISP router connected to 

POE switch 

connected to tp link access points

 

am I correct in thinking that to resolve this issue I would need to go back to affected sites in order to alter the clients router??  To fix an issue that tp link have created??

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Controller Firmware Update Adoption