Hi again, After activating firewalld logging, I find out that the VXLAN upd port 8472 was the problem, I opened the port on both the controller and the compute node, and voila it works.
Regards. 2017-01-25 11:24 GMT+01:00 wodel youchi <[email protected]>: > Hi, > > I am a newbie on openstack, this is my first LAB, and my knowledge on > networking is not so good :-p > > I have two physical machines, and I use them to build a lab following the > install guide on CentOS 7. > > all my nodes are VMs and compute nodes use nested-kvm. > > my two physical machines are connected together with a layer-2 swicth > 1Gb/s. > > I used option two for my network configuration, i.e. self-service network. > > So far, everything is working good, except that my test VM (cirros) can't > get an IP address on the internal network, the dashboard shows that the VM > has an IP, but ifconfig shows nothing. > > After some searching and googling around, I find the problem, but I > couldn't fix it. > > The problem comes from the firewall of the controller node (firewalld), > when disabled, the VM test gets it IP address. > > I tried to open the port 67 on both tcp and udp, but without luck, I am > using two ethernet ports on the controller, eth0 for management and eth1 > for the provider network, the firewall applies it's rules on both ports, > but there are other ports/bridges/taps/vxlan created by openstack, I don't > know if the rules have to applied to them or not!!! > > I don't know what to do, beside disable the firewall, but I don't think > it's a good idea. > > Thanks in advance. >
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