Or my old KVM notes,for setting up the networking for TUSK software, at https://wikis.uit.tufts.edu/confluence/display/TUSKpub/Install+KVM+Hypervisor+For+TUSK. Libvirt, NetworkManager, and the system-config-network tools of RHEL and thus of CentOS have no configuration tools that handle pair bonding, and the published directions for pair bonding and bridging needed.... a lot of work, which is why I wrote those. On Mon, Sep 23, 2013 at 10:52 AM, Stefano Stabellini < stefano.stabellini at eu.citrix.com> wrote: > On Mon, 23 Sep 2013, Schut, Koos J J (Koos) wrote: > > I upgraded from CentOS 5.9 to CentOS 6.4. > > > > I try to reuse my virtual machines and am only partially successful: I > can run them, I just cannot get the network OK and need > > some help with that. > > > > > > > > What I had in the past was pretty simple: both the host and the VM’s > used eth0 and each had an IP in the same subnet and could > > communicate freely. With the new install it seems somewhat more complex > and I think I need to configure a bridge and use that. > > Unfortunately, info I find through google is overwhelming and confusing. > All examples either configure something else, or the > > outcome is not what expected. > > > > > > > > So: how to go about setting things up to have say: > > > > My physical machine is on 192.168.0.90 > > > > My Virtual machines are on 192.168.0.100 and 101. > > > > These are to be fixed addresses. > > > > The 2 VM’s have to communicate with each other and with the physical > machine. > > > > The VM’s do not necessarily need to communicate with the rest of the > world. > > > > The physical machine needs to communicate with the rest of the world. > > > > > > > > I use: > > > > - CentOS-6.4_64 > > > > - Virtual Machine Manager 0.9.0 > > > > - xen 4.2.3 > > > > - libvirt 0.10.2.7-5 > > > > - VM’s show Hypervisor = xen (fullvirt) > > > > - Emulator = qemu-dm > > > > - NIC points to Shared device name virbr0 > > > > - on the host, virbr0 has IQ 192.168.122.1 > > > > > > > > I have been fighting this for 2 weeks, now. I tried to follow several > advises which resulted in either the VM’s not connecting > > to anything, or my host losing its connection to the rest of the world, > or both. So either I still do something not-right, or I > > follow the wrong gidelines. > > > > > > > > Can someone give me a push in the right direction, please? > > Did you try to follow: > > http://wiki.xen.org/wiki/Host_Configuration/Networking > > ? > _______________________________________________ > CentOS-virt mailing list > CentOS-virt at centos.org > http://lists.centos.org/mailman/listinfo/centos-virt > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos-virt/attachments/20130923/c6e0a74a/attachment-0006.html>