reset adapter unexpectedly / NIC stopped, pcie_aspm=off

On some newer model Intel NICs they fall asleep at random when using Centos 6.X, or even other OS’s. To combat this, there is a simple addition to the grub.conf that will disable PCIe_ASPM. At the command line enter: 

vi /etc/grub.conf
Once in the grub.conf file, insert this into the end of the kernel line: 
It should then look like this: 


Exit, save, and reboot for changes to take effect. To check that changes were indeed made, use the following: 

dmesg|grep PCIe

It should return a PCIe Disabled message, confirming the changes were made successfully: 

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