ovs-br1 即host1环境
host1 上ovs-br1创建过程
1、查看物理网卡
[root@localhost openvswitch-2.12.0]# ifconfig
enp2s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 10.20.42.99 netmask 255.255.255.0 broadcast 10.20.42.255
inet6 fe80::20b:2fff:fe17:4706 prefixlen 64 scopeid 0x20<link>
ether 00:0b:2f:17:47:06 txqueuelen 1000 (Ethernet)
RX packets 74939 bytes 72871505 (69.4 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 6264 bytes 473439 (462.3 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
[root@localhost openvswitch-2.12.0]# ovs-vsctl show
c41a7ff7-3835-4d77-8870-e9210053cb86
ovs_version: "2.12.0"
2、添加ovs-br1网桥
[root@localhost openvswitch-2.12.0]# ovs-vsctl add-br ovs-br1
[root@localhost openvswitch-2.12.0]# ovs-vsctl show
c41a7ff7-3835-4d77-8870-e9210053cb86
Bridge "ovs-br1"
Port "ovs-br1"
Interface "ovs-br1"
type: internal
ovs_version: "2.12.0"
3、添加端口（物理网卡）添加到ovs-br1中
[root@localhost openvswitch-2.12.0]# ovs-vsctl add-port ovs-br1 enp2s0
注意：此时可能网络无法连接外网，如果需要连接外网的话需要如下步骤：
[root@localhost openvswitch-2.12.0]# ifconfig enp2s0 0
[root@localhost openvswitch-2.12.0]# killall dhclient
[root@localhost ext_tools]# ifconfig ovs-br1 up
[root@localhost openvswitch-2.12.0]# dhclient ovs-br1
[root@localhost openvswitch-2.12.0]# ifconfig ovs-br1
ovs-br1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 10.20.42.99 netmask 255.255.255.0 broadcast 10.20.42.255
inet6 fe80::d85e:7dff:fea4:de4a prefixlen 64 scopeid 0x20<link>
ether 00:0b:2f:17:47:06 txqueuelen 1000 (Ethernet)
RX packets 206 bytes 26321 (25.7 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 49 bytes 8536 (8.3 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
此时可以连接外网
[root@localhost ext_tools]# ping www.baidu.com
PING www.a.shifen.com (61.135.169.121) 56(84) bytes of data.
64 bytes from 61.135.169.121: icmp_seq=1 ttl=54 time=1.48 ms
64 bytes from 61.135.169.121: icmp_seq=2 ttl=54 time=1.56 ms
64 bytes from 61.135.169.121: icmp_seq=3 ttl=54 time=1.44 ms
[root@localhost openvswitch-2.12.0]# ovs-vsctl show
c41a7ff7-3835-4d77-8870-e9210053cb86
Bridge "ovs-br1"
Port "ovs-br1"
Interface "ovs-br1"
type: internal
Port "enp2s0"
Interface "enp2s0"
ovs_version: "2.12.0"
[root@localhost openvswitch-2.12.0]#
4、向网桥ovs-br1中添加vlan端口p10 vid为10
[root@localhost openvswitch-2.12.0]# ovs-vsctl add-port ovs-br1 p10 tag=10 -- set interface p10 type=internal
5、向网桥ovs-br1中添加vlan端口p20 vid为20
[root@localhost openvswitch-2.12.0]# ovs-vsctl add-port ovs-br1 p20 tag=20 -- set interface p20 type=internal
[root@localhost openvswitch-2.12.0]# ovs-vsctl show
c41a7ff7-3835-4d77-8870-e9210053cb86
Bridge "ovs-br1"
Port "p20"
tag: 20
Interface "p20"
type: internal
Port "p10"
tag: 10
Interface "p10"
type: internal
Port "ovs-br1"
Interface "ovs-br1"
type: internal
Port "enp2s0"
Interface "enp2s0"
ovs_version: "2.12.0"
注意：Port "enp2s0" 默认为trunk端口，允许所有的vlan id通过
6、创建vm1网卡及分配ip地址
[loongson@localhost ~]$ ifconfig eth0
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.1.2 netmask 255.255.255.0 broadcast 192.168.1.255
inet6 fe80::5054:ff:feca:274f prefixlen 64 scopeid 0x20<link>
ether 52:54:00:ca:27:4f txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 21 bytes 2638 (2.5 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
2、vm2网卡创建以及ip地址配置（步骤同上）
[loongson@localhost ~]$ ifconfig eth0
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.1.3 netmask 255.255.255.0 broadcast 192.168.1.255
inet6 fe80::5054:ff:feea:f052 prefixlen 64 scopeid 0x20<link>
ether 52:54:00:ea:f0:52 txqueuelen 1000 (Ethernet)
RX packets 7 bytes 572 (572.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 29 bytes 2018 (1.9 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
到此为止 host1 上的vm1和vm2搭建完成
host2搭建过程看下一篇文章openvswitch 使用记录（二）--vlan 环境搭建（2）
https://mp.csdn.net/console/editor/html/104468102
--------------------------------------------------------------------------
等待host2上环境搭建完成后测试结果
验证结果如下
vm1----ping ---->vm3、vm4 以及vm1---ping--->vm2、vm5、vm6
[loongson@localhost ~]$ ifconfig eth0
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.1.2 netmask 255.255.255.0 broadcast 192.168.1.255
inet6 fe80::5054:ff:feca:274f prefixlen 64 scopeid 0x20<link>
ether 52:54:00:ca:27:4f txqueuelen 1000 (Ethernet)
RX packets 36 bytes 2806 (2.7 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 58 bytes 5396 (5.2 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
[loongson@localhost ~]$ ping 192.168.1.4
PING 192.168.1.4 (192.168.1.4) 56(84) bytes of data.
64 bytes from 192.168.1.4: icmp_seq=1 ttl=64 time=44.4 ms
64 bytes from 192.168.1.4: icmp_seq=2 ttl=64 time=36.0 ms
^C
--- 192.168.1.4 ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1001ms
rtt min/avg/max/mdev = 36.086/40.290/44.495/4.209 ms
[loongson@localhost ~]$ ping 192.168.1.5
PING 192.168.1.5 (192.168.1.5) 56(84) bytes of data.
64 bytes from 192.168.1.5: icmp_seq=1 ttl=64 time=36.0 ms
64 bytes from 192.168.1.5: icmp_seq=2 ttl=64 time=35.0 ms
64 bytes from 192.168.1.5: icmp_seq=3 ttl=64 time=37.8 ms
^C
--- 192.168.1.5 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 35.066/36.322/37.809/1.131 ms
[loongson@localhost ~]$ ping 192.168.1.3
PING 192.168.1.3 (192.168.1.3) 56(84) bytes of data.
From 192.168.1.2 icmp_seq=1 Destination Host Unreachable
From 192.168.1.2 icmp_seq=2 Destination Host Unreachable
From 192.168.1.2 icmp_seq=3 Destination Host Unreachable
^C
--- 192.168.1.3 ping statistics ---
5 packets transmitted, 0 received, +3 errors, 100% packet loss, time 4041ms
pipe 3
[loongson@localhost ~]$ ping 192.168.1.6
PING 192.168.1.6 (192.168.1.6) 56(84) bytes of data.
From 192.168.1.2 icmp_seq=1 Destination Host Unreachable
From 192.168.1.2 icmp_seq=2 Destination Host Unreachable
From 192.168.1.2 icmp_seq=3 Destination Host Unreachable
^C
--- 192.168.1.6 ping statistics ---
4 packets transmitted, 0 received, +3 errors, 100% packet loss, time 3022ms
pipe 3
[loongson@localhost ~]$ ping 192.168.1.7
PING 192.168.1.7 (192.168.1.7) 56(84) bytes of data.
From 192.168.1.2 icmp_seq=1 Destination Host Unreachable
From 192.168.1.2 icmp_seq=2 Destination Host Unreachable
From 192.168.1.2 icmp_seq=3 Destination Host Unreachable
^C
--- 192.168.1.7 ping statistics ---
5 packets transmitted, 0 received, +3 errors, 100% packet loss, time 4060ms
pipe 3
[loongson@localhost ~]$
vm2---ping--->vm5、vm6 以及vm2---ping--->vm1、vm3、vm4
[loongson@localhost ~]$ ifconfig eth0
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.1.3 netmask 255.255.255.0 broadcast 192.168.1.255
inet6 fe80::5054:ff:feea:f052 prefixlen 64 scopeid 0x20<link>
ether 52:54:00:ea:f0:52 txqueuelen 1000 (Ethernet)
RX packets 50 bytes 3342 (3.2 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 42 bytes 2844 (2.7 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
[loongson@localhost ~]$ ping 192.168.1.6
PING 192.168.1.6 (192.168.1.6) 56(84) bytes of data.
64 bytes from 192.168.1.6: icmp_seq=1 ttl=64 time=42.1 ms
64 bytes from 192.168.1.6: icmp_seq=2 ttl=64 time=35.2 ms
^C
--- 192.168.1.6 ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1001ms
rtt min/avg/max/mdev = 35.224/38.680/42.137/3.462 ms
[loongson@localhost ~]$ ping 192.168.1.7
PING 192.168.1.7 (192.168.1.7) 56(84) bytes of data.
64 bytes from 192.168.1.7: icmp_seq=1 ttl=64 time=38.8 ms
64 bytes from 192.168.1.7: icmp_seq=2 ttl=64 time=35.1 ms
64 bytes from 192.168.1.7: icmp_seq=3 ttl=64 time=35.6 ms
^C
--- 192.168.1.7 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2003ms
rtt min/avg/max/mdev = 35.144/36.541/38.861/1.666 ms
[loongson@localhost ~]$ ping 192.168.1.2
PING 192.168.1.2 (192.168.1.2) 56(84) bytes of data.
From 192.168.1.3 icmp_seq=1 Destination Host Unreachable
From 192.168.1.3 icmp_seq=2 Destination Host Unreachable
From 192.168.1.3 icmp_seq=3 Destination Host Unreachable
^C
--- 192.168.1.2 ping statistics ---
4 packets transmitted, 0 received, +3 errors, 100% packet loss, time 3021ms
pipe 3
[loongson@localhost ~]$ ping 192.168.1.4
PING 192.168.1.4 (192.168.1.4) 56(84) bytes of data.
From 192.168.1.3 icmp_seq=1 Destination Host Unreachable
From 192.168.1.3 icmp_seq=2 Destination Host Unreachable
From 192.168.1.3 icmp_seq=3 Destination Host Unreachable
^C
--- 192.168.1.4 ping statistics ---
4 packets transmitted, 0 received, +3 errors, 100% packet loss, time 3020ms
pipe 3
[loongson@localhost ~]$ ping 192.168.1.5
PING 192.168.1.5 (192.168.1.5) 56(84) bytes of data.
From 192.168.1.3 icmp_seq=1 Destination Host Unreachable
From 192.168.1.3 icmp_seq=2 Destination Host Unreachable
From 192.168.1.3 icmp_seq=3 Destination Host Unreachable
^C
--- 192.168.1.5 ping statistics ---
4 packets transmitted, 0 received, +3 errors, 100% packet loss, time 3019ms
pipe 3
[loongson@localhost ~]$
参考资料：
http://docs.openvswitch.org/en/latest/howto/vlan/
