Hi All: I try to edit the ml2_config.ini but it's always show me a readonly file even I am the root user or I use "sudo". controller-0:~$ source ./openrc.os [sysadmin@controller-0 ~(keystone_admin)]$ kubectl exec -it neutron-ovs-agent-controller-0-937646f6-k5q4x -n openstack -- bash [root@controller-0 /]# vi /etc/neutron/plugins/ml2/ml2_conf.ini [agent] extensions = [ml2] extension_drivers = port_security mechanism_drivers = openvswitch,sriovnicswitch,l2population path_mtu = 0 physical_network_mtus = phy-flat1:1500,physnet2:1500 tenant_network_types = vlan,vxlan type_drivers = flat,vlan,vxlan [ml2_type_flat] flat_networks = phy-flat1,physnet2 [ml2_type_vxlan] vni_ranges = vxlan_group = [ovs_driver] vhost_user_enabled = true [securitygroup] firewall_driver = openvswitch ~ "/etc/neutron/plugins/ml2/ml2_conf.ini" [readonly] 18L, 435C Can someone help me? Regards, C.H. Huang