Re: [Xen-devel] disabling dhcp for a xenU host

["Matthieu PATOU" <mat@xxxxxxxxxxxxxxxx>]

On October 15, 9:16 am Ian Pratt <Ian.Pratt@xxxxxxxxxxxx> wrote:
> >  I have xen domains at home, and i would like to be able to avoid xenU
> >  to ask (via dhcp) for an ip adresse.
> >  Looking at xen_repo/docs/xen_config.html i saw that i can pass the
> >  parameter (ip ":::::eth0:dhcp") but by replacing it by (ip
> >  ":::::eth0:dhcp") i should be able to desactivate dhcp.
>
> Yep, I've previously noticed that xm prevents you from turning
> off the ip= component of the kernel command line. The best you can
> currently do is to set 'ip=off' in the configuration file and end
> up with a broken ip= parameter that is ignore by the kernel.
> Mike is aware of the problem.
>
> Ian
>
you can't prevent xm to pass a ip parameter but by specifiying
:::::eth0:off the kernel should ignore the ethernet adapter. But it's not
the case.

I'll try to see why but i'm not a kernel expert so if someone  can do a
quick glance it should be better.

What i have found so far is the ip parameter is mostly ignored by xenU
kernel (i've tried to specify bootp but the kernel still do dhcp request
..).


I was also wondering about the syntax of the ip parameter inside de net vif
block (as explained in xen_repo/docs/xen_config.html ) what's the purpose
of this parameter ?


Matthieu


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