[linux_bridge]
physical_interface_mappings = myexternalnet:enp0s8

[securitygroup]
enable_security_group = true
firewall_driver = neutron.agent.linux.iptables_firewall.IptablesFirewallDriver

[vxlan]
enable_vxlan = True
local_ip = 192.168.0.11
l2_population = True

[linux_bridge]
physical_interface_mappings = myexternalnet:enp0s3

[securitygroup]
enable_security_group = True
firewall_driver = neutron.agent.linux.iptables_firewall.IptablesFirewallDriver

[vxlan]
enable_vxlan = True
local_ip = 10.0.0.31
l2_population = True

neutron net-create --shared --provider:physical_network provider --provider:network_type flat myexternalnet

neutron subnet-create --name subnet_myexternalnet --allocation-pool start=192.168.20.100,end=192.168.20.200 --dns-nameserver 8.8.4.4 --gateway 192.168.20.1 myexternalnet 192.168.20.0/24

neutron net-update myexternalnet --router:external