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Very technical article about how Wifi and Ethernet performance can be drastically different for IKEv2 VPN based on how the network adapter driver handles threads:
http://gary-nebbett.blogspot.com/2021/07/slow-performance-of-ikev2-built-in.html
WiFi Adapter: Intel Wi-Fi 6E AX211 160MHz [driver version 23.40.0.4 and older versions]
Indication of incoming packet method: system worker thread
IKEv2 VPN performance: Very Slow [about 6% of expected speed]
Ethernet Adapter: Intel Ethernet Controller I225-LMvP [driver version 1.1.4.38]
Indication of incoming packet method: DPC
IKEv2 VPN performance: Fast
How do I provide feedback or open a ticket with Intel regarding IKEv2 VPN performance being very slow when used with certain network adapter drivers that are designed differently?
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Hello PCGuy7,
Thank you for posting in our communities.
To help me further identify the problem and offer you a solution, kindly provide the following details:
- Does the slow connection only happen when connecting to an IKEv2 VPN?
- What troubleshooting steps have you already performed? This is to avoid repeating them.
- What is the complete model of your computer? So we can further investigate if this issue might be a known issue with the system.
We look forward to your response!
Thank you, and have a great day ahead!
Best regards,
Carmona A.
Intel Customer Support Technician
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Hello PCGuy7,
We are checking in with you to see if you already have the answers to our questions so we can further isolate our issue.
Thank you, and have a great day!
Best regards,
Carmona A.
Intel Customer Support Technician
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Hello PCGuy7,
We are checking in with you, as we have not heard any response from you.
Thank you, and have a great day!
Best regards,
Carmona A.
Intel Customer Support Technician
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Hello PCGuy7,
We have not heard back from you, so we will close this enquiry now. If you need further assistance, please submit a new question, as this thread will no longer be monitored.
Thank you, and have a great day ahead.
Best regards,
Carmona A.
Intel Customer Support Technician

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