[Xen-users] Re: Communicating with VM before Network is configured.

["Chris McKeever" <techjedi@xxxxxxxxx>]

From: Chris McKeever <cgmckeever@xxxxxxxxxxx>
Date: Jul 18, 2006 11:21 AM
Subject: Re: [Xen-users] Re: Communicating with VM before Network is configured.
To: cgmckeever@xxxxxxxxxxx


On 7/18/06, Chris McKeever <techjedi@xxxxxxxxx> wrote:
> > >
> > > I have been playing with this myself - and I can't seem to get the
> > > kernel autoconfig working (FC5) -
> > > My xen kernel has been compiled with the CONFIG_IP_PNP
> > > option set, and then reboot
> > >
> > > I 'try' to pass  the kernel the following parameters at boot, but they
> > > just dont seem to take:
> > >
> > > vif = [ 'ip=192.168.1.61' ]
> > > netmask = "255.255.255.0"
> > > gateway = "192.168.1.1"
> > > hostname = "ds-1"
> > >
> > >
> > > any suggestions as to what I may be missing?
> >
>
>
> If you check this link:
> http://lists.xensource.com/archives/html/xen-devel/2006-02/msg00147.html
>
> you can see that the method you are using, actually (in terms of the
> referenced doc) is supposed to be available for config parameters:
> ip="blah"
> netmask="blah"
> gateway="blah"
>
> the config parameters are also documented in,
> http://www.cl.cam.ac.uk/Research/SRG/netos/xen/readmes/user/user.html#SECTION03210000000000000000
> and ip address is stated to be part of vif (of course I may be
> misinterpretting the use of the ip address in that context)
>
> I'll give the extras a try - seems like it should work via the
> documented way - but it probably does, I am just missing something.
>
>
> > AFAIK, your vif line doesn't need an IP address, as the default scripts
> > are in bridging mode, and you don't need to tell xen what IP address to
> > route in bridged mode. The netmask and gateway parameters I've never seen
> > before.
> >
> > If you want/need the kernel to autoconfigure so it can do a network based
> > boot, then you to copy the parameter format I was using.
> >
> > The full kernel command line syntax is
> > ip=<client-ip>:<server-ip>:<gw-ip>:<netmask>:<hostname>:<device>:<autoconf>
> >
using the 'extra' parameter seems to have passed all the appropriate
network config options based on Tom's suggestion -

Any ideas why the network config options don't work as described?
http://www.cl.cam.ac.uk/Research/SRG/netos/xen/readmes/user/user.html#SECTION03210000000000000000
netmask
   Manually configured IP netmask.
gateway
   Manually configured IP gateway.
hostname
   Set the hostname for the virtual machine






> > which would be
> > ip=192.168.1.61:1.1.1.1:192.168.1.1:255.255.255.0
> >
> > for the parameters you have shown above, and that would go into the
> > "extras" variable...
> >
> > >
> > > Thanks
> > > Chris
> > >
> > >
> > >
> > > > You'll need a kernel with autoconfig enabled.
> > > >
> > > > -Tom
> > > >
> > > >
> > > >
> > > > _______________________________________________
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> > > > http://lists.xensource.com/xen-users
> > > >
> > >
> > >
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> > >
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> >
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