[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）