Docker overlay 网络搭建的方法

查看busybox容器详情,在最底部有网络相关的信息

"Networks": {
        "myoverlay": {
          "IPAMConfig": null,
          "Links": null,
          "Aliases": [
            "f673ccb5ab32"
          ],
          "NetworkID": "36feac75fb49edcf8920ed39109424b833501268942fb563708aa306fccfb15c",
          "EndpointID": "39f8e9e098ce3faf039aa60e275ec90428f86c6378f5b4c54d8682741e71673f",
          "Gateway": "",
          "IPAddress": "10.0.0.3",
          "IPPrefixLen": 24,
          "IPv6Gateway": "",
          "GlobalIPv6Address": "",
          "GlobalIPv6PrefixLen": 0,
          "MacAddress": "02:42:0a:00:00:03"
        }
      }

这个busybox的ip为

10.0.0.3

进入容器,ping

10.0.0.2

[root@n2 vagrant]# docker ps
CONTAINER ID    IMAGE        COMMAND         CREATED       STATUS       PORTS                         NAMES
f673ccb5ab32    busybox       "sh"           2 minutes ago    Up 2 minutes                                objective_pare
[root@n2 vagrant]# docker exec -ti f673ccb5ab32 /sh
/ # ping 10.0.0.2
PING 10.0.0.2 (10.0.0.2): 56 data bytes
64 bytes from 10.0.0.2: seq=0 ttl=64 time=1.309 ms
64 bytes from 10.0.0.2: seq=1 ttl=64 time=0.535 ms
64 bytes from 10.0.0.2: seq=2 ttl=64 time=1.061 ms
64 bytes from 10.0.0.2: seq=3 ttl=64 time=0.764 ms
^C
--- 10.0.0.2 ping statistics ---
4 packets transmitted, 4 packets received, 0% packet loss
round-trip min/avg/max = 0.535/0.917/1.309 ms

ping 是通的， overlay 网络搭建成功！

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