<div dir="ltr"><div><div><div>Hi guys,<br><br>I have installed juno openstack installation on Ubuntu 14.04. After creating the router through neutron API with two interface , I am NOT able to ping my external network. Router's external 
interface/gateway status is DOWN.<br><br><b>I am adding my content of /etc/neutron/plugins/ml2/ml2_conf.ini of the network node:<br><br></b>[ml2]<br>type_drivers=flat,gre<br>tenant_network_types=gre<br>mechanism_drivers=openvswitch<br><br>[ml2_type_flat]<br>flat_networks=External<br><br>[ml2_type_vlan]<br><br>[ml2_type_gre]<br>tunnel_id_ranges=1:1000<br><br>[ml2_type_vxlan]<br><br>[securitygroup]<br>firewall_driver=neutron.agent.linux.iptables_firewall.OVSHybridIptablesFirewallDriver<br>enable_ipset=True<br>enable_security_group=True<br><br>[ovs]<br>bridge_mappings=External:br-ex<br>enable_tunneling=True<br>local_ip=10.20.20.52<br><br>[agent]<br>tunnel_types=gre<br><br><br><b><b>The content of /etc/neutron/l3_agent.ini of the network node</b><br><br>[</b>DEFAULT]<br>verbose=True<br>router_delete_namespaces=True<br>interface_driver=neutron.agent.linux.interface.OVSInterfaceDriver<br>use_namespaces=True<br>external_network_bridge=br-ex<b><br><br></b><br><b><b>Content of ovs-vsctl show  after creating the bridges <br><br></b></b>ubuntu@network01:~$ sudo ovs-vsctl show<br>f7d6ee0f-3107-4011-910f-420b925068c4<br>    Bridge br-int<br>        fail_mode: secure<br>        Port int-br-tun<br>            Interface int-br-tun<br>                type: patch<br>                options: {peer=phy-br-tun}<br>        Port int-br-ex<br>            Interface int-br-ex<br>                type: patch<br>                options: {peer=phy-br-ex}<br>        Port "qr-648090f8-6d"<br>            tag: 1<br>            Interface "qr-648090f8-6d"<br>                type: internal<br>        Port br-int<br>            Interface br-int<br>                type: internal<br>        Port "tapad7609c0-2f"<br>            tag: 1<br>            Interface "tapad7609c0-2f"<br>                type: internal<br>        Port patch-tun<br>            Interface patch-tun<br>                type: patch<br>                options: {peer=patch-int}<br>    Bridge br-tun<br>        fail_mode: secure<br>        Port "gre-0a141435"<br>            Interface "gre-0a141435"<br>                type: gre<br>                options: {df_default="true", in_key=flow, local_ip="10.20.20.52", out_key=flow, remote_ip="10.20.20.53"}<br>        Port patch-int<br>            Interface patch-int<br>                type: patch<br>                options: {peer=patch-tun}<br>        Port br-tun<br>            Interface br-tun<br>                type: internal<br>        Port "gre-c0a8019a"<br>            Interface "gre-c0a8019a"<br>                type: gre<br>                options: {df_default="true", in_key=flow, local_ip="10.20.20.52", out_key=flow, remote_ip="192.168.1.154"}<br>    Bridge br-ex<br>        Port br-ex<br>            Interface br-ex<br>                type: internal<br>        Port phy-br-ex<br>            Interface phy-br-ex<br>                type: patch<br>                options: {peer=int-br-ex}<br>        Port "qg-4be112a4-08"<br>            Interface "qg-4be112a4-08"<br>                type: internal<br>        Port "p3p2"<br>            Interface "p3p2"<br>    ovs_version: "2.0.2"<br><b><b><br></b></b><br><b><b><b>External network added by following commands:<br><br></b></b></b>neutron net-create ext-net --router:external True --provider:physical_network External --provider:network_type flat<br><br>neutron subnet-create ext-net --name ext-subnet --allocation-pool start=10.1.166.101,end=10.1.166.200 --disable-dhcp --gateway 10.1.0.1 <a href="http://10.1.0.0/16">10.1.0.0/16</a><b><b><b><br><br><br></b></b></b></div><b><b><b>Any help please </b></b></b>??<br><br></div>thanks<br></div>Hamza<br></div>