How did you create the external network? When you create it you have to provide the physical network that corresponds to the mapping to br-ex that you have in bridge_mappings in /etc/neutron/plugins/ml2/ml2_conf.ini (or wherever packstack sets up the config file for the plugin).
On Wed, Jun 28, 2017 at 12:34 PM, Reza Shaikhly <rezashaik...@gmail.com> wrote: > Hello eyeryone, > > > > I'm kind of new with OpenStack. > > > > Three months ago I managed to deploy OpenStack using Packstack on three > nodes. Three VMs with CentOS 7 minimal created using VM Ware ESXI > hypervisor: a controller node, a network controller node (Neutron) and a > compute node (Nova). Things worked all right there as a test bed for PoC > and lunching a few instances. That was OpenStack Newton. > > Yesterday I followed the very same procedure and I ran into two problems: > first problem was related to NTP, and I finally found a workaround for it. > However the second problem I couldn't handle it so far and I hope to get > some kind recommendations here. The problem is that it seems the traffic > does not go off to the External network > > > > I create an external network and a Router on a project using Horizon and > connect the external network to the gateway of the Router. Everything seems > fine, but I can't ping the router's gateway from my own client which are on > the same subnet. It seems that External Bridge does not route the traffic > outside. > > I can't ping the router's gateway from Neutron server. With this big > problem I can't go further, because instances won't be able to ping outside > network, also they won't be reachable from outside. > > I checked the firewall on my client and even turned it off. Also I checked > Neutron server's firewall status using: "systemctl status firewalld" and > service seemed dead. > > > > Here is my eth0 and External bridge configurations on Neutron server: > > > > eth0: > > DEVICETTYPE=ovs > > TYPE=OVSPort > > OVS_BRIDGE=br-ex > > DEVICE=eth0 > > NAME=eth0 > > BOOTPROTO=none > > ONBOOT=yes > > > > External bridge: > > TYPE=OVSBridge > > DEVICE=br-ex > > NAME=br-ex > > BOOTPROTO=static > > DEVICETYPE=ovs > > ONBOOT=yes > > IPADDR=172.16.10.123 > > NETMASK=255.255.255.0 > > GATEWAY=172.16.10.1 > > DNS1=8.8.8.8 > > PEERDNS=yes > > USERCTL=yes > > > > > > Even I lunched three instances using Cirros image and they able to ping > each other, also able to ping the gateway of the router, However nothing > seems reachable from outside. > > > > That's why I think there should be something wrong with External Bridge. > > > > Please Help, if you have any alternative config for external bridge and > NIC card, or whatever useful to help my limit knowledge... > > > > Thank you > > Rez > > > > P.S: Is the NIC card type in VM has anything to do with this problem? I > mean when I created the Virtual machines, I chose VMXNET3 as NIC card type, > should I try another type, something like E1000, maybe for compatibility? > > _______________________________________________ > Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/ > openstack > Post to : openstack@lists.openstack.org > Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/ > openstack > >
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