I225-V Connection Bottleneck

[Ryan14]

Hi All,

My machine has an I225-V ethernet adapter on a B550 MOBO. I have Gig internet, but on this desktop I get ~130 Mbps. On other machines I get ~900.

The same is for the WiFi 6 AX200 card that I have. I get around 300 on WiFi on other devices, but 80 Mbps on this desktop.

I have updated drivers, terminated background applications, removed temp files and played with DNS. 

Does anyone have other thoughts to optimize? Or are these cards just cashed (they're 2-3 years old).

Thanks

[Caguicla_Intel]

Hello Ryan14,

Thank you for posting in Intel Ethernet Communities. 

Please provide the following information that would help in checking your request. 

1. When was the issue first encountered?

2. For how long do you have the B550 motherboard with I225-V Ethernet Connection?

3. Are you able to get more than 130Mbps speed test result during your initial integration?

4. Please provide the System Support Utility (SSU) log of your system. This will allow us to check your Adapter details and configuration. Kindly refer to the steps below.

a- Go to https://downloadcenter.intel.com/download/25293/Intel-System-Support-Utility-for-Windows-?product=91600

b- Open SSU.exe

c- Mark the box "Everything" and then click "Scan".

d- When finished scanning, click "Next".

e- Click on "Save" and attach the file to a post.

Looking forward to your reply. 

We will follow up after 3 business days in case we don't hear from you.

Best regards,

Crisselle C.

Intel® Customer Support

[Ryan14]

Hi Crisselle,

Thanks. Please see below and attached for answers. 

1. The issue has been persistent for several weeks. I used to be able to get ~200Mbps but have never been able to get the full 900
2. I have had this motherboard and network adapter for 2 years
3. I'm not able to get above 130Mbps at all on this machine.
4. See attached

[Caguicla_Intel]

Hello Ryan14,

Thank you for the swift response. 

Please see below details that might help with the issue. 

1. Double-check if the established connection speed in the settings can reach 1Gbps. To confirm this, go to Network and Internet Settings. View your Network Properties and scroll down to Link speed (Receive/Transmit).

2. Try setting the Speed & Duplex settings on Advanced tab property of the Intel Ethernet Controller to Auto Negotiation. 

3. Lower the value or turn off interrupt moderation as this is best for handling many small packets so the driver is more responsive to incoming and outgoing packets.

4. Disable other I225-V features such as offloading, Energy Efficient Ethernet, and flow control.

5. If your system comes with TurboLAN Cfos, disable the service called cFosSpeed System Service. Closing the program doesn't make any difference, as that service keeps running in the background.

You may also consider checking this link for Intel® Ethernet Connection I219-V Unable to Reach Gigabit Speed. Although the article is for I219-V, this is also applicable to I225-V. 

https://www.intel.com/content/www/us/en/support/articles/000058667/ethernet-products/gigabit-ethernet-controllers-up-to-2-5gbe.htm

Looking forward to your reply.

We will follow up after 3 business days in case we don't hear from you. 

Best regards,

Crisselle C.

Intel Customer Support

[Caguicla_Intel]

Hello Ryan14,

Good day!

This is just a follow up to check if you read our previous reply. If yes, please confirm and advise if the suggestions helped resolving the issue. 

If you have additional questions or assistance needed on this matter, please let us know and we will be glad to be of help. 

We hope to hear from you soon.

Should there be no response from you, I’ll make sure to reach out after 3 business days

Best regards,

Crisselle C.

Intel® Customer Support

[Mike_Intel]

Hello Ryan14,

I hope you're having a wonderful day. We are just sending another follow up on the information that I requested. Since we have not heard back from you, I need to close this inquiry. 

If you need any additional information, please submit a new question as this thread will no longer be monitored.

Thank you and stay safe.

Best regards,

Michael L.

Intel® Customer Support

[Caguicla_Intel]

Hello Ryan14,

I hope this message finds you well!

Please be informed that since we have not received an update if our recommendations resolved the issue, you may also need to check this with your motherboard manufacturer, ASUS. Our support is limited since you are using an Original Equipment Manufacturer(OEM) on-board Ethernet controller. For OEM on-board Ethernet controller, it would still be best to get in touch with Asus for further support since they have customized drivers and software to enable or alter features on your system. They are in best position where you can seek assistance so you do not lose features or customizations of the Ethernet controller. 

List of System Manufacturers

https://www.intel.com/content/www/us/en/support/contact-intel.html?tab=system-manufacturers

Asus Support

https://www.asus.com/us/support/

In case you need additional assistance, please submit a new question as this thread will no longer be monitored.

Thank you for choosing Intel and stay safe!

Best regards,

Crisselle C.

Intel® Customer Support