On Thu, 2015-05-28 at 16:07 +0200, Peter Lieven wrote: > Hi, > > we observed problems with Windows Update Services and Uploading Files from a > Windows System to other systems. > We tracked this down to IPv6 connections only. IPv4 and IPv6 in Receive > direction seems to be not a problem. > It turned out that setting TCP/UDP Checksum Offloading for IPv6 from "RX/TX > enabled" to RX "enabled" in the > Network Driver settings solved the issue. I remember similar problems existed > with Linux some time ago. > Linux guests on the same host are also not an issue. > > Is this a known issue? I tried latest and stable drivers from the Fedora > Website. >
Adding Yan. Best regards, Vadim. > Thanks, > Peter >