[one-users] Problem with Networking on KVM with OpnenNebula

Christoph Raible chr.raible at gmail.com
Tue Oct 26 07:02:43 PDT 2010

Hi All,

I tried to create a virtual machine with OpenNebula on a KVM-Host. Creation
and starting the VM's works perfect.

Only the Netwirking doesn't work. When I create an Standalone vm with
virt-install all works fine.
My Current Version of Opennebula ist 2.0 RC1

On my KVM-Host I have the following network configuration:

# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
auto eth0
iface eth0 inet manual

auto br0
iface br0 inet static
    address 141.28.xx.xxx
    network 141.28.xx.x
    broadcast 141.28.xx.xxx
    gateway 141.28.xx.xxx
        bridge_ports eth0
        bridge_fd 9
        bridge_hello 2
        bridge_maxage 12
        bridge_stp off

The VM is created by the following Template:

MEMORY  = 512
CPU     = 1

OS     = [ BOOT = hd  ]

DISK     = [ SOURCE = /srv/cloud/images/kvm_test.qcow2,
        TARGET = sda ]

NIC = [ MAC="00:ff:72:37:20:41",
        BRIDGE = eth0]

Did anyone of you have an idea where the Problem is?

Thanks for your help

Christoph Raible
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