Thomas, > Ok.. thanks. Can I use virt-manager to setup a bridged-network or shall > i use the commandtool ? I also think that Cent os 5.6 used bridged as > default... I was using the command line. The RHEL-docs can be used for this purpose. You are right, Centos5 used bridged network as default. But then of course that was a XEN-environmnet and now we have KVM. Quite a few things work differently. Michael