On Thu, Oct 27, 2011 at 16:19 +0000, you wrote: > net.core.rmem_max > net.core.rmem_default > Increase net.core.netdev_max_backlog to 100000 Yeah, I had tuned these already, didn't help. But I'll take another look. Thanks, Robin -- Robin Sommer * Phone +1 (510) 722-6541 * robin at icir.org ICSI/LBNL * Fax +1 (510) 666-2956 * www.icir.org