New router firmware causing ping spikes

New router firmware causing ping spikes

New router firmware causing ping spikes
New router firmware causing ping spikes
2025-10-11 17:29:35 - last edited 2025-10-20 02:02:08
Model: Archer AX12  
Hardware Version: V1
Firmware Version: 1.2.1 Build 20250729 Rel. 73566(5553)

Day before yesterday TP-Link pushed me to update my router firmware to the version mentioned. Since then, I'm facing constant ping spikes even when pinging my router from the desktop directly via a Cat-6 Ethernet cable. This is ruining my whole internet experience by causing voice drops during meetings and unacceptable lags during browsing.

 

Prompt help will be appreciated

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#1
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1 Accepted Solution
Re:New router firmware causing ping spikes-Solution
2025-10-13 06:40:42 - last edited 2025-10-20 02:02:08

Hello @swastiknag02 ,

Welcome to our community.

 

May I know if your network topology diagram is as follows:

ISP modem—router)))((( client devices

(Note: — stands for wired connection,)))((( stands for wireless connection )

 

Have you enabled the QoS? If yes, please disable it for a try.

Please also take screenshots with the ping result and send them here.

 

Nice to Meet You in Our TP-Link Community. Check Out the Latest Posts: △New Firmware Update for Archer BE260/Archer BE400 to Support VPN Merge, New ECO Mode, and More △Connect TP-Link Archer BE550 to Germany's DS-Lite (Dual Stack Lite) Internet via WAN △Tether KidShield Test Recruitment - Safeguarding Children's Online Experience If you found the post or response helpful, please click Helpful. If an answer solves your problem, click "Recommended Solution" so that others can benefit from it.
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#2
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6 Reply
Re:New router firmware causing ping spikes-Solution
2025-10-13 06:40:42 - last edited 2025-10-20 02:02:08

Hello @swastiknag02 ,

Welcome to our community.

 

May I know if your network topology diagram is as follows:

ISP modem—router)))((( client devices

(Note: — stands for wired connection,)))((( stands for wireless connection )

 

Have you enabled the QoS? If yes, please disable it for a try.

Please also take screenshots with the ping result and send them here.

 

Nice to Meet You in Our TP-Link Community. Check Out the Latest Posts: △New Firmware Update for Archer BE260/Archer BE400 to Support VPN Merge, New ECO Mode, and More △Connect TP-Link Archer BE550 to Germany's DS-Lite (Dual Stack Lite) Internet via WAN △Tether KidShield Test Recruitment - Safeguarding Children's Online Experience If you found the post or response helpful, please click Helpful. If an answer solves your problem, click "Recommended Solution" so that others can benefit from it.
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#2
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Re:New router firmware causing ping spikes
2025-10-13 15:19:15 - last edited 2025-10-13 15:20:08

  @Joseph-TP You are bang on in terms of the network topology, but there's no Deco involved here

 

Also, here are my pingplotter results

 

Here's my ONU pingplotter result

 

Google DNS and WhatsApp ping plot

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#3
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Re:New router firmware causing ping spikes
2025-10-15 02:37:07

Hello @swastiknag02 ,

Thanks for your reply.

The tech team has been made aware of your case; they will likely reach out to you via email to continue troubleshooting. Please check your email inbox and confirm.

Nice to Meet You in Our TP-Link Community. Check Out the Latest Posts: △New Firmware Update for Archer BE260/Archer BE400 to Support VPN Merge, New ECO Mode, and More △Connect TP-Link Archer BE550 to Germany's DS-Lite (Dual Stack Lite) Internet via WAN △Tether KidShield Test Recruitment - Safeguarding Children's Online Experience If you found the post or response helpful, please click Helpful. If an answer solves your problem, click "Recommended Solution" so that others can benefit from it.
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Re:New router firmware causing ping spikes
2025-10-15 16:50:52

  @Joseph-TP Yeah, the tech team reached out to me via email and wanted the system logs and the config files. I had sent them everything duly.

 

Thanks for the support!!

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Re:New router firmware causing ping spikes
2025-10-16 08:31:49

  @swastiknag02 ,

Thanks. Please review the reply to the ticket to avoid missing any information.

Nice to Meet You in Our TP-Link Community. Check Out the Latest Posts: △New Firmware Update for Archer BE260/Archer BE400 to Support VPN Merge, New ECO Mode, and More △Connect TP-Link Archer BE550 to Germany's DS-Lite (Dual Stack Lite) Internet via WAN △Tether KidShield Test Recruitment - Safeguarding Children's Online Experience If you found the post or response helpful, please click Helpful. If an answer solves your problem, click "Recommended Solution" so that others can benefit from it.
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#6
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Re:New router firmware causing ping spikes
2025-10-18 05:59:28

  @Joseph-TP I replied to the ticket accordingly, also mentioning a non-functional LAN port due to the firmware upgrade, to which they asked me to communicate to the TP-Link local support with my issue, asking for a replacement. So, I emailed local support for a replacement

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#7
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