[libvirt-users] ifname in openvz container

knawnd at gmail.com knawnd at gmail.com
Fri Mar 4 18:10:42 UTC 2011


Hi!

Is there any way to specify ethernet device name to be created inside 
the openvz container?
I could find such info at http://libvirt.org/formatdomain.html#elementsNICS.
If I do as below I get br0 as ethernet device inside VM whereas I'd like 
it to be eth0.

$ cat ovz.xml
<domain type='openvz' id='144'>
   <name>144</name>
   <uuid>0071c128-58b4-4688-be17-1e062a22b36c</uuid>
   <vcpu>1</vcpu>
   <memory>524288</memory>
   <os>
     <type>exe</type>
     <init>/sbin/init</init>
   </os>
   <devices>
     <filesystem type='template'>
       <source name='centos-5-x86'/>
       <target dir='/'/>
     </filesystem>
     <interface type='bridge'>
       <source bridge='br0'/>
     </interface>
   </devices>
</domain>

$ virsh create ovz.xml
Domain 144 created from ovz.xml

$ grep -i netif /etc/vz/conf/144.conf
NETIF="ifname=br0,bridge=br0,mac=52:54:00:74:DD:F3,host_ifname=veth144.0,host_mac=52:54:00:06:78:76"


br0 is a bridge on the server (CT0). But I would like to assign ethernet 
device inside VM as eth0 i.e. ifname in VM config has to be eth0.
ovzkernel release is 2.6.18-194.26.1.el5.028stab081.1
OS is CentOS 5.5, libvirt/virsh version is 0.8.8.

Best regards,
Nikolay.




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