From: Peter Lieven <pl@kamp.de>
To: Vadim Rozenfeld <vrozenfe@redhat.com>, yvugenfi@redhat.com
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: Mon, 08 Jun 2015 10:12:13 +0200 [thread overview]
Message-ID: <55754E5D.4090205@kamp.de> (raw)
In-Reply-To: <1432823072.1732.33.camel@oscar>
Am 28.05.2015 um 16:24 schrieb Vadim Rozenfeld:
> 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.
Hi Yan,
have you had a chance to look at this or a hint where to start?
Thanks,
Peter
next prev parent reply other threads:[~2015-06-08 8:12 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
2015-06-08 8:12 ` Peter Lieven [this message]
2015-06-10 7:49 ` Yan Vugenfirer
2015-06-16 12:33 ` Peter Lieven
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