创建网桥
# brctl addbr mhc
绑定到物理网卡(网卡会失效)
# brctl addif mhc enp3s0
# ifconfig enp3s0 0.0.0.0
给网桥配置一个ip (启用了)
# ifconfig mhc 109.105.4.65
# ifconfig
docker0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 172.17.0.1 netmask 255.255.0.0 broadcast 172.17.255.255
inet6 fe80::42:f1ff:fe10:e3bc prefixlen 64 scopeid 0x20<link>
ether 02:42:f1:10:e3:bc txqueuelen 0 (Ethernet)
RX packets 59506 bytes 3109306 (2.9 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 100421 bytes 169871693 (162.0 MiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
enp3s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet6 fe80::d556:c0ae:b9f6:b958 prefixlen 64 scopeid 0x20<link>
ether dc:fe:07:d6:10:67 txqueuelen 1000 (Ethernet)
RX packets 59147107 bytes 6300109859 (5.8 GiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 2979383 bytes 617716890 (589.1 MiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 1 (Local Loopback)
RX packets 144962 bytes 11750064 (11.2 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 144962 bytes 11750064 (11.2 MiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
mhc: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 109.105.4.65 netmask 255.0.0.0 broadcast 109.255.255.255
inet6 fe80::defe:7ff:fed6:1067 prefixlen 64 scopeid 0x20<link>
ether dc:fe:07:d6:10:67 txqueuelen 1000 (Ethernet)
RX packets 2089 bytes 113670 (111.0 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 147 bytes 13274 (12.9 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
# brctl show
bridge name bridge id STP enabled interfaces
docker0 8000.0242f110e3bc no veth879059f
mhc 8000.dcfe07d61067 no enp3s0
virbr0 8000.525400eae708 yes virbr0-nic
停用网桥(ifconfig 就看不见了)
# ifconfig mhc down
删除网桥
# brctl delbr mhc
