[root@wb5 ~]# [root@wb5 ~]# [root@wb5 ~]# [root@wb5 ~]# [root@wb5 ~]# [root@wb5 ~]# [root@wb5 ~]# [root@wb5 ~]# [root@wb5 ~]# [root@wb5 ~]# [root@wb5 ~]# [root@wb5 ~]# [root@wb5 ~]# [root@wb5 ~]# ovs-vsctl show =========================原始======================bf9e88f0-f9f7-4878-81df-6faa332ab037 Bridge br-tun fail_mode: secure Port patch-int Interface patch-int type: patch options: {peer=patch-tun} Port br-tun Interface br-tun type: internal Bridge br-ex Port br-ex Interface br-ex type: internal Port "ens256" Interface "ens256" Bridge br-int fail_mode: secure Port patch-tun Interface patch-tun type: patch options: {peer=patch-int} Port br-int Interface br-int type: internal ovs_version: "2.3.0"[root@wb5 ~]# create admin-int=====================增加br-int的一个tap的port=========================-bash: create: command not found[root@wb5 ~]# ovs-vsctl showbf9e88f0-f9f7-4878-81df-6faa332ab037 Bridge br-tun fail_mode: secure Port patch-int Interface patch-int type: patch options: {peer=patch-tun} Port br-tun Interface br-tun type: internal Bridge br-ex Port br-ex Interface br-ex type: internal Port "ens256" Interface "ens256" Bridge br-int fail_mode: secure Port patch-tun Interface patch-tun type: patch options: {peer=patch-int} Port br-int Interface br-int type: internal Port "tapb3284d90-04"----------------------------------------------------------------- tag: 1 Interface "tapb3284d90-04" type: internal ovs_version: "2.3.0"[root@wb5 ~]# add admin-router=============================没有变化================-bash: add: command not found[root@wb5 ~]# ovs-vsctl showbf9e88f0-f9f7-4878-81df-6faa332ab037 Bridge br-tun fail_mode: secure Port patch-int Interface patch-int type: patch options: {peer=patch-tun} Port br-tun Interface br-tun type: internal Bridge br-ex Port br-ex Interface br-ex type: internal Port "ens256" Interface "ens256" Bridge br-int fail_mode: secure Port patch-tun Interface patch-tun type: patch options: {peer=patch-int} Port br-int Interface br-int type: internal Port "tapb3284d90-04" tag: 1 Interface "tapb3284d90-04" type: internal ovs_version: "2.3.0"[root@wb5 ~]# add ext-net======================================没有变化=========-bash: add: command not found[root@wb5 ~]# ovs-vsctl showbf9e88f0-f9f7-4878-81df-6faa332ab037 Bridge br-tun fail_mode: secure Port patch-int Interface patch-int type: patch options: {peer=patch-tun} Port br-tun Interface br-tun type: internal Bridge br-ex Port br-ex Interface br-ex type: internal Port "ens256" Interface "ens256" Bridge br-int fail_mode: secure Port patch-tun Interface patch-tun type: patch options: {peer=patch-int} Port br-int Interface br-int type: internal Port "tapb3284d90-04" tag: 1 Interface "tapb3284d90-04" type: internal ovs_version: "2.3.0"[root@wb5 ~]# add ext-subnet 101~105 108~110=====================增加br-int的一个tap的port====================-bash: add: command not found[root@wb5 ~]# ovs-vsctl showbf9e88f0-f9f7-4878-81df-6faa332ab037 Bridge br-tun fail_mode: secure Port patch-int Interface patch-int type: patch options: {peer=patch-tun} Port br-tun Interface br-tun type: internal Bridge br-ex Port br-ex Interface br-ex type: internal Port "ens256" Interface "ens256" Bridge br-int fail_mode: secure Port "tap7d3cee3e-2b" tag: 2 Interface "tap7d3cee3e-2b"---------------------------------------------------------------------- type: internal Port patch-tun Interface patch-tun type: patch options: {peer=patch-int} Port br-int Interface br-int type: internal Port "tapb3284d90-04" tag: 1 Interface "tapb3284d90-04" type: internal ovs_version: "2.3.0"[root@wb5 ~]# add interface to extnet in admin-router==========================没有变化========-bash: add: command not found[root@wb5 ~]# ovs-vsctl showbf9e88f0-f9f7-4878-81df-6faa332ab037 Bridge br-tun fail_mode: secure Port patch-int Interface patch-int type: patch options: {peer=patch-tun} Port br-tun Interface br-tun type: internal Bridge br-ex Port br-ex Interface br-ex type: internal Port "ens256" Interface "ens256" Bridge br-int fail_mode: secure Port "tap7d3cee3e-2b" tag: 2 Interface "tap7d3cee3e-2b" type: internal Port patch-tun Interface patch-tun type: patch options: {peer=patch-int} Port br-int Interface br-int type: internal Port "tapb3284d90-04" tag: 1 Interface "tapb3284d90-04" type: internal ovs_version: "2.3.0"[root@wb5 ~]# add interface to admin-int in admin-router===========================没有变化==================-bash: add: command not found[root@wb5 ~]# ovs-vsctl showbf9e88f0-f9f7-4878-81df-6faa332ab037 Bridge br-tun fail_mode: secure Port patch-int Interface patch-int type: patch options: {peer=patch-tun} Port br-tun Interface br-tun type: internal Bridge br-ex Port br-ex Interface br-ex type: internal Port "ens256" Interface "ens256" Bridge br-int fail_mode: secure Port "tap7d3cee3e-2b" tag: 2 Interface "tap7d3cee3e-2b" type: internal Port patch-tun Interface patch-tun type: patch options: {peer=patch-int} Port br-int Interface br-int type: internal Port "tapb3284d90-04" tag: 1 Interface "tapb3284d90-04" type: internal ovs_version: "2.3.0"[root@wb5 ~]# add a vm 192.168.1.6=====================================增加了br-int的一个qvo的port=======-bash: add: command not found[root@wb5 ~]# ovs-vsctl showbf9e88f0-f9f7-4878-81df-6faa332ab037 Bridge br-tun fail_mode: secure Port patch-int Interface patch-int type: patch options: {peer=patch-tun} Port br-tun Interface br-tun type: internal Bridge br-ex Port br-ex Interface br-ex type: internal Port "ens256" Interface "ens256" Bridge br-int fail_mode: secure Port "tap7d3cee3e-2b" tag: 2 Interface "tap7d3cee3e-2b" type: internal Port "qvo1a7bcce3-c9"------------------------------------------------------------- tag: 1 Interface "qvo1a7bcce3-c9" Port patch-tun Interface patch-tun type: patch options: {peer=patch-int} Port br-int Interface br-int type: internal Port "tapb3284d90-04" tag: 1 Interface "tapb3284d90-04" type: internal ovs_version: "2.3.0"[root@wb5 ~]# add a vm2 192.168.1.7=========================================增加了br-int的一个qvo的port=============-bash: add: command not found[root@wb5 ~]# ovs-vsctl showbf9e88f0-f9f7-4878-81df-6faa332ab037 Bridge br-tun fail_mode: secure Port patch-int Interface patch-int type: patch options: {peer=patch-tun} Port br-tun Interface br-tun type: internal Bridge br-ex Port br-ex Interface br-ex type: internal Port "ens256" Interface "ens256" Bridge br-int fail_mode: secure Port "tap7d3cee3e-2b" tag: 2 Interface "tap7d3cee3e-2b" type: internal Port "qvo1a7bcce3-c9" tag: 1 Interface "qvo1a7bcce3-c9" Port patch-tun Interface patch-tun type: patch options: {peer=patch-int} Port "qvo824b8f9d-c5"---------------------------------------------------------------------- tag: 1 Interface "qvo824b8f9d-c5" Port br-int Interface br-int type: internal Port "tapb3284d90-04" tag: 1 Interface "tapb3284d90-04" type: internal ovs_version: "2.3.0"[root@wb5 ~]#
总结：
在增加 虚机 和 有子网的网络 的时候才会在br-int这个网桥增加一个port（虚机是qvo， 网络是tap）