Switch – Intel Quad NIC teaming intermittent lockup


I have two 24-port switches that in turn connect to 6 24-port switches. There's a device trying to FTP into a PC at each of the leaf ports (6 x 24 devices). All at once.

On the PC end, I am trying to make sure that the bandwidth is adequate for the job. So, i grabbed a quad port 1000GT card by Intel. Teaming for performance.

Long story shot, intermittently the kernel time goes to 25% on a quad CPU system, locking up anything network-related. What would you recommend?

Best Answer

Are the switches also configured to support the teaming? Most of the time the switch needs to know to team the ports together along with the NIC.

(When it doesn't, weird stuff starts happening like dropped connections and TCP issues...)