Re: [Openstack] Accessing VMs in Flat DHCP mode with multiple host

2012-05-11 Thread Michaël Van de Borne
Hi again, So the problem is now solved. I hereby post the solution for people from the future. 1. the ping between the compute and the controller was using an IP route. So the ping wasn't using only layer 2. This means that there was no DHCP request arriving to the network controller. 2. the

Re: [Openstack] Accessing VMs in Flat DHCP mode with multiple host

2012-05-10 Thread Michaël Van de Borne
ok I'm gonna check this and I'll keep you posted. By the way, how could I check the network between the control node's br100 and the compute node's br100? I guess I can do this by checking that each bridge knows the other in the ARP table. Or did you have another idea? Michaël Van de Borne

Re: [Openstack] Accessing VMs in Flat DHCP mode with multiple host

2012-05-10 Thread Yong Sheng Gong
HI,First you have to make sure the network between your control node's br100 and your compute node's br100 are connected. and then can you show the output on control node:ps -ef | grep dnsmasqbrctl showifconfig2. can you login to your vm by vnc to see the eth0 configuration and then try to run udhc