Thank you for posting at Wired Communities. Can you share the information below:
1) What is the network adapter model used here?
2) What is exact Linux operating system?
3) What is the exact ixgbe driver version used?
Embedded application using Broadwell CPU (Intel(R) Xeon(R) CPU D-1527 @ 2.20GHz) with integrated 2x10Gbps -
8086("Intel Corporation"), device:
15ab("Ethernet Connection X552 10 GbE Backplane")
Linux kernel v4.11 and the ixgbe driver for that kernel. "modinfo ixgbe" says version: 5.0.0-k.
S-tag is not supported by X552, please refer to page 743 of this document - https://www.intel.com/content/www/us/en/processors/xeon/xeon-d-1500-datasheet-vol-4.html