Re: [Xen-users] [Fwd: DHCP and DomUs troubles]

["Fajar A. Nugraha" <fajar@xxxxxxxxx>]

On Sat, Jan 30, 2010 at 11:56 PM, Arnaud JAYET <ajayet@xxxxxxx> wrote:
> Well, i have solved the problem by disabling tx checksum Dom0's vifx.y of
> the domU.

Ah, so the usual fix works :D

> I wonder now how i can automate disabling tx offload on vifx.y interfaces
> created when a domU is started  ; manually by xm create command or at dom0
> boot time with hard links in /etc/xen/auto to the config file ???

You could hack /etc/xen/scripts/vif-bridge, preferably be creating a
new file and use it on domU config file (per domU) or set it to be
default on xend-config.sxp (global). In my case, I hacked it to
automatically restart snmp every time a new interface is activated.

You might still want to take a look at newer kernels, which probably
has the fix without the need to disable tx checksum.

-- 
Fajar

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