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Re: [Xen-users] VIF2 Device ???

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Subject: Re: [Xen-users] VIF2 Device ???
From: Nicolas Vilz <niv@xxxxxxxxxx>
Date: Mon, 07 Jun 2010 18:15:16 +0200
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On 06/07/10 17:53, Matej Zary wrote:
On Mon, 2010-06-07 at 16:20 +0400, eXeC001er wrote:
Hi all.

Can you explain to me what is the device 'VIF2' ?
I can not find any info about it on Xen web site.


Hello, VIF is virtual interface (virtual network card of virtual
machine). You can find out more here for example -
http://wiki.xensource.com/xenwiki/XenNetworking (although it might be
not completely up to date, it should give you the general meaning).

"vif2" in your xmdomain.cfg refers to netchannel2. It is mentioned on xen-devel several times. I tried netchannel2 support myself and i consider netchannel2 as unstable at the very moment. Also it is not documented at the moment. I don't know if someone tried to use it lately.

My experience of netchannel2-Device is, the very moment, traffic traverses the device, i get a kernel panic and a complete freeze for my complete host. Did anyone experience netchannel2 and xen 4.0?


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