The external network for your current OpenStack setup is the 192.168.122.X network. Thx, britt From: Geo Varghese <gvarghese at aqorn.com> Date: Monday, November 24, 2014 at 3:17 PM To: "openstack-operators at lists.openstack.org" <openstack-operators at lists.openstack.org>, "openstack at lists.openstack.org" <openstack at lists.openstack.org> Subject: [Openstack-operators] Need help to create external network Hi Team, I need bit help to to create an external network and add it to router as gateway. Like => http://docs.openstack.org/icehouse/install-guide/install/apt/content/neutro n_initial-external-network.html <http://docs.openstack.org/icehouse/install-guide/install/apt/content/neutr on_initial-external-network.html> I am referring this command to create subnet for external network neutron subnet-create ext-net --name ext-subnet --allocation-pool start=203.0.113.101,end=203.0.113.200 --disable-dhcp --gateway 203.0.113.1 203.0.113.0/24 <http://203.0.113.0/24> But my current network is bit complex 1) My machine local machine Ip => 172.17.4.64 (Its in our internal network of our company with gateway 172.17.4.254) 2) I installed kvm on my local machine and controller node with IP => 192.168.122.54 with gateway 192.168.122.1 3) Openstack instance network is in 192.168.1.101 to 192.168.1.125 with gateway 192.168.1.1 Anyone please tell me, which IP addresses I have to give while creating above subnet for my external network. -- Regards, Geo Varghese