Greetings, On Fri, Mar 2, 2012 at 7:22 PM, Baptiste AGASSE <baptiste.agasse at lyra-network.com> wrote: > Hi all, > > I use CentOS5.x + Xen in production for virtualization. I use it with bridged vlan networks and bonding (active-backup) like that: > > eth0 eth1 > | | > ------- > | > bond0-------bond0.10---------bond0.12 ... > | | | > | vlanbr10 vlanbr12 > dom0 | | > ------------- -------------- > | | | | | | ... > domU1 domU2 domU3 domU4 domU5 domU6 > > For future hypervisors, i want to implement the same things with CentOS6.x + KVM. In test env i've setup CentOS6.2 + KVM (with last updates) with the same network config, but guest lose network connection very often, and i don't know why. > > Network config: > > /etc/sysconfig/network-scripts/ifcfg-bond0.6: > DEVICE=bond0.6 > BRIDGE=vlanbr6 > ONBOOT=yes > BOOTPROTO=none > VLAN=yes > TYPE=Ethernet > > /etc/sysconfig/network-scripts/ifcfg-vlanbr6: > DEVICE=vlanbr6 > TYPE=Bridge > ONBOOT=yes > BOOTPROTO=none > DELAY=0 > > I've installed guest like that (with a lot of retry because of network loss during installation) > > virt-install --name=guest02-c6 --disk path=/var/lib/libvirt/images/guest02-c6.img,size=10,sparse=false --graphics=spice,keymap=fr --vcpus=2 --ram=2048 --location=http://spacewalk.example.com/pub/dist/centos/6/x86_64/ --extra-args="ks=http://spacewalk.example.com/pub/ks/el6/guest02.el6.cfg ip=192.168.2.12 netmask=255.255.255.224 gateway=192.168.2.10 dns=192.168.2.10" --os-type=linux --os-variant=rhel6 --network=bridge:vlanbr6,model=virtio > > Someone have setup similar environment ? > > Regards. > > Baptiste. Have you tried Digimer's stuff: https://alteeve.com/w/2-Node_Red_Hat_KVM_Cluster_Tutorial Maybe that will give you some pointers HTH -- Regards, Rajagopal