This is due to vlan problems, your two hypervisors must be on the same vlan; so you can commuincate with the router. Check your switch, and create on it the vlan range you have created on cloudstack; make sure that all your hypervisors ports allow those vlans.

thanks

On Wed 04 Jul 2012 04:23:27 PM EET, LAMBERT Thomas wrote:
hi,
                 i am running CS 3.0.2 with kvm as hypervisor. My cloud has 1 
zone, 1 pod and 1 cluster with 3 hosts. When i create a vm, if the virtual 
router is not created on the same host than the vm, then the vm is not 
connected to the virtual router.
                 This means that the dhcp, sourec nat etc. is not applied. Thus eth0 has no ip 
address, and when i do "ifdown eth0&&  ifup eth0", it does not see the dhcp.
                 if i migrate my vm to the same host as the virtual router, 
then everything becomes fine...
I don't know how to resolve this, someone has ever experienced this?

thanks, have a nice day
Thomas




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