Re: [Xen-users] Network Stops when network-bridge starts

[Matthias Reif <mattreif@xxxxxxxxxxxxx>]

xen-users-bounces@xxxxxxxxxxxxxxxxxxx wrote on 02/09/2009
07:37:54 PM:

> My local Dom(0) network stops working as soon as network-bridge is
 
> started.  I'm running centos 5.3 and installed xen from repository
via  
> yum.  I have a LinkSys 10/100/1000 PCI card in my machine.  Driving
me  
> crazy!  Any ideas?  I've stumbled upon a couple possibles
regarding  
> using ethtool which seems to then render my bridge unusable.  Any
help  
> appreciated for someone who's trying real hard to become a Xen user.
 :)
> 

I had the same problem on a couple of
dom0's on CentOS 5.3. The network-bridge script didn't seem to complete
properly (eth0 renamed to peth0, but xenbr0 did not exist and no IP addresses
assigned to any interface), which resulted in no network connectivity at
all.

To fix it, I had to create the file
/etc/sysconfig/network-scripts/ifcfg-xenbr0, which is basically an exact
copy of ifcfg-eth0 except you have to modify the lines DEVICE=xenbr0 and
 (otherwise CentOS will try to bring up xenbr0 at boot time before
xend).

The network-bridge script seems to rely
on the existence of this file.

Thanks
Matthias




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