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Re: [Qemu-devel] Windows2012R2 virtio-win drivers and IPv6
From: |
Vadim Rozenfeld |
Subject: |
Re: [Qemu-devel] Windows2012R2 virtio-win drivers and IPv6 |
Date: |
Fri, 29 May 2015 00:24:32 +1000 |
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
>