From: Vadim Rozenfeld <vrozenfe@redhat.com>
To: yvugenfi@redhat.com, Peter Lieven <pl@kamp.de>
Cc: Lukas Friedrichs <lf@kamp.de>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
Gleb Natapov <gleb@redhat.com>, Tobias Schmidt <ts@kamp.de>
Subject: Re: [Qemu-devel] Windows2012R2 virtio-win drivers and IPv6
Date: Fri, 29 May 2015 00:24:32 +1000 [thread overview]
Message-ID: <1432823072.1732.33.camel@oscar> (raw)
In-Reply-To: <55672104.2040800@kamp.de>
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
>
next prev parent reply other threads:[~2015-05-28 14:24 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-28 14:07 [Qemu-devel] Windows2012R2 virtio-win drivers and IPv6 Peter Lieven
2015-05-28 14:24 ` Vadim Rozenfeld [this message]
2015-06-08 8:12 ` Peter Lieven
2015-06-10 7:49 ` Yan Vugenfirer
2015-06-16 12:33 ` Peter Lieven
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