Intel XL710-Q2 User Manual page 149

Intel X710 based devices may maintain link on any and all ports as long as power is provided to the device,
regardless of the device's or system's power state.
Intel X710/XL710 based devices do not support Microsoft Windows Server 2008R2 or Windows Server 2012
as SR-IOV Guest operating systems. These devices do not support Windows Server 2012 as the SR-IOV
Host operating system.
Driver Buffer Overflow Fix
The fix to resolve CVE-2016-8105, referenced in Intel SA-00069
center.intel.com/advisory.aspx?intelid=INTEL-SA-00069&languageid=en-fr, is included in this and future
versions of the driver.
Intel ANS VLANs adversely affect performance
Intel ANS VLANs adversely affect the performance of X710 based devices. Use the networking features built
into Microsoft Windows Server 2012, or other server management software, to assign VLANs.
Diagnostic button disabled
When part of an Intel® ANS team, devices based on the Intel X710 controller do not support diagnostics.
Support will be added in a future release.
Unexpected IntelDCB errors in the Windows Application Event Log
After upgrading your X710 drivers, you may see several IntelDCB errors in the Windows Application Event
Log. These errors are erroneous and can be ignored.
Lower than expected throughput on X710/XL710 based devices
If you have an X710 or XL710 based device installed in a four CPU socket system. Receive and transmit
traffic may be significantly lower than expected. Setting your interrupt rate to High may mitigate the issue.
Quad Port Server Adapter Known Issues
Downshifting
When connecting to any Gigabit switch via a faulty CAT 5 cable where one pair is broken, the adapter does
not downshift from 1 Gig to 100Mbps. For the adapter to downshift, it must identify two broken pairs in the
cable.
System does not boot
Your system may run out of I/O resources and fail to boot if you install more than four quad port server
adapters. Moving the adapters to different slots or rebalancing resources in the system BIOS may resolve the
issue. This issue affects the following Adapters:
Intel® Gigabit 4P I350-t Adapter
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