Docker与宿主机

1、Docker访问宿主机网络

在宿主机使用 ifconfig 查看

其中虚拟网卡 docker0 的 inet 地址 172.17.0.1 就是容器中访问宿主机的IP地址

[root@localhost hyperf]# 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:d7ff:fed1:8540  prefixlen 64  scopeid 0x20<link>
        ether 02:42:d7:d1:85:40  txqueuelen 0  (Ethernet)
        RX packets 18026  bytes 1113666 (1.0 MiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 29443  bytes 41263137 (39.3 MiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

enp3s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 192.168.1.120  netmask 255.255.255.0  broadcast 192.168.1.255
        inet6 fe80::50a5:60d4:9f7e:1ec9  prefixlen 64  scopeid 0x20<link>
        ether 60:45:cb:80:5f:0c  txqueuelen 1000  (Ethernet)
        RX packets 3780856  bytes 1145120347 (1.0 GiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 2270994  bytes 1287373084 (1.1 GiB)
        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 1000  (Local Loopback)
        RX packets 31426  bytes 23262635 (22.1 MiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 31426  bytes 23262635 (22.1 MiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

vethd889dab: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet6 fe80::a431:5fff:fe37:32ba  prefixlen 64  scopeid 0x20<link>
        ether a6:31:5f:37:32:ba  txqueuelen 0  (Ethernet)
        RX packets 16295  bytes 1257140 (1.1 MiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 27284  bytes 37885941 (36.1 MiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0