Docker中网络双向连接知识点有哪些

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查看docker网络

docker network ls[root@master ~]# docker network lsNETWORK ID     NAME        DRIVER       SCOPEe9ecd3b9be87    bridge       bridge       local45336895a3a4    host        host        local6a44e8330adb    none        null        local

创建网桥

docker network create bridge my-bridge[root@master ~]# docker network create -d bridge my-bridge0ae59991f86c3276acfc5a78dd316f47c124f093e60ce719046f1045ccccb1bd[root@master ~]# docker network lsNETWORK ID     NAME        DRIVER       SCOPEe9ecd3b9be87    bridge       bridge       local45336895a3a4    host        host        local0ae59991f86c    my-bridge      bridge       local6a44e8330adb    none        null        local

将两个容器加入此网桥

docker network connect my-bridge centos-test-1docker network connect my-bridge centos-test-2[root@master ~]# docker network connect my-bridge centos-test-1[root@master ~]# docker network connect my-bridge centos-test-2

容器内可相互通过容器名进行通信

[root@master ~]# docker exec -it centos-test-1 bash[root@bd4aa8b35c8d /]# ping centos-test-2PING centos-test-2 (172.18.0.3) 56(84) bytes of data.64 bytes from centos-test-2.my-bridge (172.18.0.3): icmp_seq=1 ttl=64 time=0.131 ms64 bytes from centos-test-2.my-bridge (172.18.0.3): icmp_seq=2 ttl=64 time=0.163 ms^C--- centos-test-2 ping statistics ---2 packets transmitted, 2 received, 0% packet loss, time 999msrtt min/avg/max/mdev = 0.131/0.147/0.163/0.016 ms[root@master ~]# docker exec -it centos-test-2 bash[root@d8eac6105db2 /]# ping centos-test-1PING centos-test-1 (172.18.0.2) 56(84) bytes of data.64 bytes from centos-test-1.my-bridge (172.18.0.2): icmp_seq=1 ttl=64 time=0.187 ms64 bytes from centos-test-1.my-bridge (172.18.0.2): icmp_seq=2 ttl=64 time=0.405 ms64 bytes from centos-test-1.my-bridge (172.18.0.2): icmp_seq=3 ttl=64 time=0.150 ms^C--- centos-test-1 ping statistics ---3 packets transmitted, 3 received, 0% packet loss, time 4msrtt min/avg/max/mdev = 0.150/0.247/0.405/0.113 ms[root@master ~]# docker exec -it centos-test-2 bash[root@d8eac6105db2 /]# ping centos-test-1PING centos-test-1 (172.18.0.2) 56(84) bytes of data.64 bytes from centos-test-1.my-bridge (172.18.0.2): icmp_seq=1 ttl=64 time=0.187 ms64 bytes from centos-test-1.my-bridge (172.18.0.2): icmp_seq=2 ttl=64 time=0.405 ms64 bytes from centos-test-1.my-bridge (172.18.0.2): icmp_seq=3 ttl=64 time=0.150 ms^C--- centos-test-1 ping statistics ---3 packets transmitted, 3 received, 0% packet loss, time 4msrtt min/avg/max/mdev = 0.150/0.247/0.405/0.113 ms

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