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AXE5400 does not establish Ethernet link with Intel I225-V onboard Gigabyte Aorus Pro X

AXE5400 does not establish Ethernet link with Intel I225-V onboard Gigabyte Aorus Pro X

AXE5400 does not establish Ethernet link with Intel I225-V onboard Gigabyte Aorus Pro X
AXE5400 does not establish Ethernet link with Intel I225-V onboard Gigabyte Aorus Pro X
Yesterday - last edited 3 hours ago
Tags: #Network Connectivity
Model: Archer AXE5400  
Hardware Version:
Firmware Version: 1.5.3 Build 20260209 rel.71108(5553)

Hi everyone,

I am trying to understand a strange Ethernet compatibility issue between my PC onboard network card and my TP-Link router.

My PC has two Ethernet adapters:

  • Onboard NIC: Intel(R) Ethernet Controller I225-V from Gigabyte Aorus Pro X
  • USB-C Ethernet adapter

I also have two routers:

  • Huawei
  • TP-Link

And I tested using the same Cat6 cable in all scenarios.

Test results

With the Huawei router:

  • Huawei + Cat6 + onboard Intel I225-V = works
  • Huawei + Cat6 + USB Ethernet adapter = works

With the TP-Link router:

  • TP-Link + Cat6 + USB Ethernet adapter = works
  • TP-Link + Cat6 + onboard Intel I225-V = does NOT work

Important detail

When I connect the TP-Link router to the Intel I225-V onboard NIC:

  • the link LED does not turn on at all
  • Windows shows “media disconnected”
  • Linux also shows no link
  • I tested more than one LAN port on the TP-Link router, with the same result

So this does not look like a DHCP/IP configuration problem. It seems the Ethernet physical link is not being established at all between the TP-Link device and the Intel I225-V onboard controller.

I tested this on Windows and Linux

  • Same behavior on both systems
  • Since it also fails on Linux, I do not think this is only a Windows driver issue

My questions

  1. Has anyone seen a compatibility issue between TP-Link Ethernet ports and Intel I225-V controllers?
  2. How do I fix this :

 

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#1
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1 Accepted Solution
Re:AXE5400 does not establish Ethernet link with Intel I225-V onboard Gigabyte Aorus Pro X-Solution
14 hours ago - last edited 3 hours ago

  @Zelao 

 

The Intel I225-V 2.5GbE network card is notoriously problematic when negotiating speeds with older 1Gbps ports, particularly on TP-Link switches
. This is often due to a fundamental, hardware-level issue in earlier revisions of the I225-V chip, causing it to fail at auto-negotiation or drop connections.  
Here are the tested fixes for Intel I225-V and TP-Link compatibility issue:
 
Immediate Workarounds
  • Force Speed and Duplex: In Windows Device Manager, go to the properties of your Ethernet adapter -> Advanced tab -> Speed & Duplex. Change this from "Auto Negotiation" to "1.0 Gbps Full Duplex".
  • Disable Power Saving Features: In the same Advanced tab in Device Manager, disable any "Energy Efficient Ethernet" (EEE), "Green Ethernet," or "Power Saving Mode" options.
  • Update Drivers: Install the latest Intel Network Drivers (specifically look for the 1.1.4.38 or newer driver version).
  • Disable IPv6: Some users have found that disabling IPv6 on the I225-V adapter properties resolves intermittent connectivity problems.
  • Perform a Clean Power-Off: Unplug the computer from the wall and remove the network cable for 30 seconds to force the NIC to reset its internal firmware.
If this was helpful click on the arrow pointing upward to make it blue. If this solves your issue, click the star to make it blue as a "Recommended Solution". Tips:149wubkkfoLmNDjDbiTxx4ZU8mpcMA5CJt
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#8
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8 Reply
Re:AXE5400 does not establish Ethernet link with Intel I225-V onboard Gigabyte Aorus Pro X
Yesterday

  @Zelao 

 

Have you tried to test with a different ethernet cable (for example the one in the TP-Link router kit). CAT5e would do the job.

If this was helpful click on the arrow pointing upward to make it blue. If this solves your issue, click the star to make it blue as a "Recommended Solution". Tips:149wubkkfoLmNDjDbiTxx4ZU8mpcMA5CJt
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#2
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Re:AXE5400 does not establish Ethernet link with Intel I225-V onboard Gigabyte Aorus Pro X
Yesterday

Hi  @terziyski ,

I have tried with the cable that came with the router, with my cat6 and with an old cat5 that I have here, same result.

 

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#3
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Re:AXE5400 does not establish Ethernet link with Intel I225-V onboard Gigabyte Aorus Pro X
Yesterday

  @Zelao 

 

That's rather unusual - your best bet would be to contact your local support for further assistance.

If this was helpful click on the arrow pointing upward to make it blue. If this solves your issue, click the star to make it blue as a "Recommended Solution". Tips:149wubkkfoLmNDjDbiTxx4ZU8mpcMA5CJt
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#4
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Re:AXE5400 does not establish Ethernet link with Intel I225-V onboard Gigabyte Aorus Pro X
Yesterday

  @terziyski after a long dialog with chatgpt / claude and gemini they all are saying that I should buy an unmanaged switch because this is a negotiation problem between my NIC and the TPLink router.

I will buy just for the sake of test, but it is far from the solution that I want.

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#5
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Re:AXE5400 does not establish Ethernet link with Intel I225-V onboard Gigabyte Aorus Pro X
Yesterday

  @Zelao 

 

That's would I thought as well, hence asking you to try with a different ethernet cable.

If you have a spare switch around you give it a try, or if you can borrow one from a friend.

Indeed buying a switch is far from an ideal solution. Usually a negotioation issue comes to a limited negotiated bandwidth speed.

 

 

If this was helpful click on the arrow pointing upward to make it blue. If this solves your issue, click the star to make it blue as a "Recommended Solution". Tips:149wubkkfoLmNDjDbiTxx4ZU8mpcMA5CJt
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#6
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Re:AXE5400 does not establish Ethernet link with Intel I225-V onboard Gigabyte Aorus Pro X
15 hours ago

  @terziyski I bought a  TP-Link LS105G switch and no lucky to make it work, exactly same behavior as the TpLink router.

I tested with an Asus Router RT-AX88U and it work flawlessly.

Another test that I tried and I could succeeded is changing the  Speed & Duplex In advanced driver settings, to 10 Mbps HAlf duplex. The connection works but capped at 10Mbps.

Now this test is supporting my theory that there is nothing wrong in a hardware level with any equipments, but the way TpLink appliances are communicating to my I225-V is not working. 

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#7
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Re:AXE5400 does not establish Ethernet link with Intel I225-V onboard Gigabyte Aorus Pro X-Solution
14 hours ago - last edited 3 hours ago

  @Zelao 

 

The Intel I225-V 2.5GbE network card is notoriously problematic when negotiating speeds with older 1Gbps ports, particularly on TP-Link switches
. This is often due to a fundamental, hardware-level issue in earlier revisions of the I225-V chip, causing it to fail at auto-negotiation or drop connections.  
Here are the tested fixes for Intel I225-V and TP-Link compatibility issue:
 
Immediate Workarounds
  • Force Speed and Duplex: In Windows Device Manager, go to the properties of your Ethernet adapter -> Advanced tab -> Speed & Duplex. Change this from "Auto Negotiation" to "1.0 Gbps Full Duplex".
  • Disable Power Saving Features: In the same Advanced tab in Device Manager, disable any "Energy Efficient Ethernet" (EEE), "Green Ethernet," or "Power Saving Mode" options.
  • Update Drivers: Install the latest Intel Network Drivers (specifically look for the 1.1.4.38 or newer driver version).
  • Disable IPv6: Some users have found that disabling IPv6 on the I225-V adapter properties resolves intermittent connectivity problems.
  • Perform a Clean Power-Off: Unplug the computer from the wall and remove the network cable for 30 seconds to force the NIC to reset its internal firmware.
If this was helpful click on the arrow pointing upward to make it blue. If this solves your issue, click the star to make it blue as a "Recommended Solution". Tips:149wubkkfoLmNDjDbiTxx4ZU8mpcMA5CJt
Recommended Solution
  1  
  1  
#8
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Re:AXE5400 does not establish Ethernet link with Intel I225-V onboard Gigabyte Aorus Pro X
3 hours ago

  @terziyski 

Thank you very much for your help.

Believe you or not, this did the trick:
Perform a Clean Power-Off: Unplug the computer from the wall and remove the network cable for 30 seconds to force the NIC to reset its internal firmware.

 

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#9
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