Please update the driver for Killer E2500 v1.
At the moment, the latest driver version is 220.127.116.11. ID: VEN_1969&DEV_E0B1.
Intel recently updated the driver for Killer E2500v2 to version 1168.002.0909.2021 in Killer Performance Suite 3.1121.1048. This driver adds support for RSC (Receive Segment Coalescing) and NetAdapterCx (Network Adapter WDF Class Extension).
I think it's not that hard to add similar support for Killer E2500v1.
If you (Intel, Rivet Networks) are not able to update the driver yourself, then ask Qualcomm Atheros for help.
Please pass the information to your Intel engineers so that they, together with Rivet Networks and Qualcomm Atheros, think about updating the driver to enable RSC (Receive Segment Coalescing) support.
Thank you for posting in Intel Ethernet Communities.
Since your issue is regarding our Killer E2500 product, we need to route this thread to the correct group so you will be better assisted by the proper team.
Please wait for their reply within 1 to 2 business days.
Thank you and stay safe.
Intel® Customer Support Technician
Thank you for the information provided. Due to this product being discontinued, Intel Customer Service no longer supports inquiries for it. You may find the Discontinued Products website (https://www.intel.com/content/www/us/en/support/discontinued-products.html) website helpful to address your request.
Here is some information on "Customer Support Options for Discontinued Intel® Killer™ Wireless and Intel® Killer™ Ethernet Products"
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Intel Customer Support Technician