Hi, Yes, OVS controller auto create OVSTunnelxxx. Please use ovs-vsctl ultility to check if OVSTunnel316 is exists.
Use this guide: https://cwiki.apache.org/confluence/display/CLOUDSTACK/KVM+with+OpenVSwitch Thanks, --Tuna On Wed, Jul 23, 2014 at 3:02 PM, cloud <cloudcomp...@163.com> wrote: > Hi all, When I use 4.4 GRE to isolate guest network, and cloudbr1 as the > guest bridge, other traffic types on cloudbr0, > When I try to create vm, there is an exception as below. Isn't it the OVS > controller auto creat OVSTunnel316 ? > And another question: is it no need to set SDN controller enable in global > configuration, cause I only see the > " > | sdn.ovs.controller.default.label | > " > which I have set to cloudbr1 > > 2014-07-23 15:38:40,420 WARN [kvm.resource.LibvirtComputingResource] > (agentRequest-Handler-1:null) LibvirtException > org.libvirt.LibvirtException: Cannot get interface MTU on 'OVSTunnel316': > no such device > at org.libvirt.ErrorHandler.processError(Unknown Source) > at org.libvirt.Connect.processError(Unknown Source) > at org.libvirt.Connect.processError(Unknown Source) > at org.libvirt.Connect.domainCreateXML(Unknown Source) > > at > com.cloud.hypervisor.kvm.resource.LibvirtComputingResource.startVM(LibvirtComputingResource.java:1239) > > > Thanks > >
