[xenpreview-dev] peth1 troubles with XEN

Günther J. Niederwimmer gjn at gjn.priv.at
Thu Jul 20 10:08:07 MDT 2006


Hello,

Am Donnerstag, 20. Juli 2006 17:03 schrieb Adam Spiers:
> > is this a known Bug or my mistake ?
> >
> > In the most time i start the XEN I have xenbr0 and a peth1 in my config
> > (ifconfig) I have to stop (kill) the xenbr0 and start again with
> > network-bridge start vifnum=0 netdev=eth0, later I have a peth0 ?
> >
> > After I delete all network things and configure all new, I have mostly
> > only for the first start a peth0 ?
>
> I'm not sure I understand the question, but have you checked the
> network-bridge settings in /etc/xen/xend-config.sxp?  You can also see
> how the default settings are determined by looking at top of the
> /etc/xen/scripts/network-bridge shell-script itself.

Yes i do, I mean this is a problem with 2 Netcards and udev 
30-net_persistent_names.rules and the network-bridge script ? 

> Also, when you say that you "stop (kill)" xenbr0, what steps are you
> taking exactly?  IIRC, the way that worked for me was to run
> network-bridge stop and then brctl delif then brctl delbr before
> starting again.

I do only  a network-bridge stop  ? 

I have to Test the brctl ... Thanks.

> > Second Q:
> >
> > Is it possible to generate a second xenbr1 on starttime ? Who is the best
> > place to configure this ?
>
> I was wondering this too - presumably required if you wanted to create
> "virtual switches" for private networks between VMs.  I haven't
> researched it yet but I suspect that the network-bridge script is
> overkill for this since it also manipulates the physical interface,
> and the best place to configure it is:

I would like a gateway, that is a virtual switch ;).

>   /etc/sysconfig/network/ifcfg-xenbr1
>   /etc/sysconfig/network/ifcfg-xenbr2 etc.

that's new for me,  Thanks

> See the ifcfg-bridge(5) man page for more details.

Thanks
-- 
mit freundlichen Grüßen / best Regards / avec mes meilleures salutation,
 Günther J. Niederwimmer



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