The wired network card in you some servers or workstations which include the Intel i350 network adapter may connect to the network slowly:
This appears to be a driver issue and has been found in driver version 18.3 through to version 20.1 (June 2015). Disabling advanced ethernet options such as support for Energy Efficient Ethernet (EEE) has no improvement.
This issue has only been observed in Windows 7 but likely applies to Windows Server 2008R2.
Disable TCP/IP v4 Large Send Offload V2.
To do this:
Article ID: 488
Last updated: 07 Jul, 2015
Posted: 06 Jul, 2015 by Andrew Sharrad
Updated: 07 Jul, 2015 by Andrew Sharrad
How to fix Slow or Unresponsive Performance on Systems with the X58 chipset, including S5500 and S5520 based platforms