創建網橋

# brctl addbr mhc

綁定到物理網卡(網卡會失效)

# brctl addif mhc enp3s0

# ifconfig enp3s0 0.0.0.0

給網橋配置一個ip (啟用了)

# 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

停用網橋(ifconfig 就看不見了)

# ifconfig mhc down

刪除網橋

# brctl delbr mhc

容器網絡之網橋