仮想ブリッジの作成方法

[root@localhost ~]# cat /etc/redhat-release
CentOS Linux release 7.1.1503 (Core)

[root@localhost ~]# rpm -ivh openvswitch-2.11.0-3.el7.x86_64.rpm
準備しています...              ################################# [100%]
更新中 / インストール中...
   1:openvswitch-1:2.11.0-3.el7       ################################# [100%]
[root@localhost ~]#
[root@localhost ~]# systemctl start openvswitch
[root@localhost ~]# systemctl status openvswitch
● openvswitch.service - Open vSwitch
   Loaded: loaded (/usr/lib/systemd/system/openvswitch.service; disabled; vendor preset: disabled)
   Active: active (exited) since 水 2020-02-26 22:19:37 JST; 4s ago
  Process: 2347 ExecStart=/bin/true (code=exited, status=0/SUCCESS)
 Main PID: 2347 (code=exited, status=0/SUCCESS)

 2月 26 22:19:37 localhost.localdomain systemd[1]: Starting Open vSwitch...
 2月 26 22:19:37 localhost.localdomain systemd[1]: Started Open vSwitch.
[root@localhost ~]# 
[root@localhost ~]#  ovs-vsctl add-br ovs1
[root@localhost ~]#
[root@localhost ~]#  ovs-vsctl add-port ovs1 enp0s3
# ovs-vsctl show
[root@localhost ~]# ovs-vsctl show
0392cade-478d-4802-a4a3-190227e098d4
    Bridge "ovs1"
        Port "ovs1"
            Interface "ovs1"
                type: internal
        Port "enp0s3"
            Interface "enp0s3"
    ovs_version: "2.11.0"