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Re: [Xen-users] Networking change in Xen unstable

To: Ian Pratt <m+Ian.Pratt@xxxxxxxxxxxx>
Subject: Re: [Xen-users] Networking change in Xen unstable
From: Takeshi Sone <ts1@xxxxxxxxx>
Date: Mon, 11 Jul 2005 10:09:13 +0900
Cc: John Fairbairn <webmaster@xxxxxxxxxxxx>, ian.pratt@xxxxxxxxxxxx, Mark Williamson <mark.williamson@xxxxxxxxxxxx>, xen-users@xxxxxxxxxxxxxxxxxxx, "Carl Holtje ; 021; vcsg6; " <cwh0803@xxxxxxxxxx>
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Hello Ian,
Thanks for explanation.
I don't and won't (I think) have services on dom0 for domUs.

I will modify /etc/xen/script/network to not use veth0 so I
won't have to manually kill veth0 after every reboot.
Wish there were easier way to do it..


On Sun, Jul 10, 2005 at 06:28:15PM +0100, Ian Pratt wrote:
>  
> > What is veth0 thing?
> 
> Although you can give dom0 a local ip address on the bridge (xen-br0),
> its not actually entirely safe to do so if you're running services that
> are accessible from other domains -- its possible to get into buffer
> startvation situations, particularly with UDP services. 
> 
> The unstable tree creates a veth0 interface to use in dom0 that avoids
> these issues. You'll have to update your iptables etc rules accordingly.
> 
> If you're not running services accessible from other domains you could
> continue to assign an IP addr to the bridge.
> 
> Ian
> 
> _______________________________________________
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> http://lists.xensource.com/xen-users

-- 
Takeshi

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