{"id":7085,"date":"2022-07-09T14:48:58","date_gmt":"2022-07-09T06:48:58","guid":{"rendered":"https:\/\/egonlin.com\/?p=7085"},"modified":"2022-07-09T14:48:58","modified_gmt":"2022-07-09T06:48:58","slug":"docker%e7%9a%84%e5%86%85%e7%bd%aeoverlay%e7%bd%91%e7%bb%9c","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=7085","title":{"rendered":"DOCKER\u7684\u5185\u7f6eOVERLAY\u7f51\u7edc"},"content":{"rendered":"<h1>DOCKER\u7684\u5185\u7f6eOVERLAY\u7f51\u7edc<\/h1>\n<p>\u5185\u7f6e\u8de8\u4e3b\u673a\u7684\u7f51\u7edc\u901a\u4fe1\u4e00\u76f4\u662fDocker\u5907\u53d7\u671f\u5f85\u7684\u529f\u80fd\uff0c\u57281.9\u7248\u672c\u4e4b\u524d\uff0c\u793e\u533a\u4e2d\u5c31\u5df2\u7ecf\u6709\u8bb8\u591a\u7b2c\u4e09\u65b9\u7684\u5de5\u5177\u6216\u65b9\u6cd5\u5c1d\u8bd5\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u4f8b\u5982Macvlan\u3001Pipework\u3001Flannel\u3001Weave\u7b49\u3002<\/p>\n<p>\u867d\u7136\u8fd9\u4e9b\u65b9\u6848\u5728\u5b9e\u73b0\u7ec6\u8282\u4e0a\u5b58\u5728\u5f88\u591a\u5dee\u5f02\uff0c\u4f46\u5176\u601d\u8def\u65e0\u975e\u5206\u4e3a\u4e24\u79cd\uff1a \u4e8c\u5c42VLAN\u7f51\u7edc\u548cOverlay\u7f51\u7edc<\/p>\n<p>\u7b80\u5355\u6765\u8bf4\uff0c\u4e8c\u5c42VLAN\u7f51\u7edc\u89e3\u51b3\u8de8\u4e3b\u673a\u901a\u4fe1\u7684\u601d\u8def\u662f\u628a\u539f\u5148\u7684\u7f51\u7edc\u67b6\u6784\u6539\u9020\u4e3a\u4e92\u901a\u7684\u5927\u4e8c\u5c42\u7f51\u7edc\uff0c\u901a\u8fc7\u7279\u5b9a\u7f51\u7edc\u8bbe\u5907\u76f4\u63a5\u8def\u7531\uff0c\u5b9e\u73b0\u5bb9\u5668\u70b9\u5230\u70b9\u7684\u4e4b\u95f4\u901a\u4fe1\u3002\u8fd9\u79cd\u65b9\u6848\u5728\u4f20\u8f93\u6548\u7387\u4e0a\u6bd4Overlay\u7f51\u7edc\u5360\u4f18\uff0c\u7136\u800c\u5b83\u4e5f\u5b58\u5728\u4e00\u4e9b\u56fa\u6709\u7684\u95ee\u9898\u3002<\/p>\n<p>\u8fd9\u79cd\u65b9\u6cd5\u9700\u8981\u4e8c\u5c42\u7f51\u7edc\u8bbe\u5907\u652f\u6301\uff0c\u901a\u7528\u6027\u548c\u7075\u6d3b\u6027\u4e0d\u5982\u540e\u8005\u3002<\/p>\n<p>\u7531\u4e8e\u901a\u5e38\u4ea4\u6362\u673a\u53ef\u7528\u7684VLAN\u6570\u91cf\u90fd\u57284000\u4e2a\u5de6\u53f3\uff0c\u8fd9\u4f1a\u5bf9\u5bb9\u5668\u96c6\u7fa4\u89c4\u6a21\u9020\u6210\u9650\u5236\uff0c\u8fdc\u8fdc\u4e0d\u80fd\u6ee1\u8db3\u516c\u6709\u4e91\u6216\u5927\u578b\u79c1\u6709\u4e91\u7684\u90e8\u7f72\u9700\u6c42\uff1b \u5927\u578b\u6570\u636e\u4e2d\u5fc3\u90e8\u7f72VLAN\uff0c\u4f1a\u5bfc\u81f4\u4efb\u4f55\u4e00\u4e2aVLAN\u7684\u5e7f\u64ad\u6570\u636e\u4f1a\u5728\u6574\u4e2a\u6570\u636e\u4e2d\u5fc3\u5185\u6cdb\u6ee5\uff0c\u5927\u91cf\u6d88\u8017\u7f51\u7edc\u5e26\u5bbd\uff0c\u5e26\u6765\u7ef4\u62a4\u7684\u56f0\u96be\u3002<\/p>\n<p>\u76f8\u6bd4\u4e4b\u4e0b\uff0cOverlay\u7f51\u7edc\u662f\u6307\u5728\u4e0d\u6539\u53d8\u73b0\u6709\u7f51\u7edc\u57fa\u7840\u8bbe\u65bd\u7684\u524d\u63d0\u4e0b\uff0c\u901a\u8fc7\u67d0\u79cd\u7ea6\u5b9a\u901a\u4fe1\u534f\u8bae\uff0c\u628a\u4e8c\u5c42\u62a5\u6587\u5c01\u88c5\u5728IP\u62a5\u6587\u4e4b\u4e0a\u7684\u65b0\u7684\u6570\u636e\u683c\u5f0f\u3002\u8fd9\u6837\u4e0d\u4f46\u80fd\u591f\u5145\u5206\u5229\u7528\u6210\u719f\u7684IP\u8def\u7531\u534f\u8bae\u8fdb\u7a0b\u6570\u636e\u5206\u53d1\uff1b\u800c\u4e14\u5728Overlay\u6280\u672f\u4e2d\u91c7\u7528\u6269\u5c55\u7684\u9694\u79bb\u6807\u8bc6\u4f4d\u6570\uff0c\u80fd\u591f\u7a81\u7834VLAN\u76844000\u6570\u91cf\u9650\u5236\u652f\u6301\u9ad8\u8fbe16M\u7684\u7528\u6237\uff0c\u5e76\u5728\u5fc5\u8981\u65f6\u53ef\u5c06\u5e7f\u64ad\u6d41\u91cf\u8f6c\u5316\u4e3a\u7ec4\u64ad\u6d41\u91cf\uff0c\u907f\u514d\u5e7f\u64ad\u6570\u636e\u6cdb\u6ee5\u3002<\/p>\n<p>\u56e0\u6b64\uff0cOverlay\u7f51\u7edc\u5b9e\u9645\u4e0a\u662f\u76ee\u524d\u6700\u4e3b\u6d41\u7684\u5bb9\u5668\u8de8\u8282\u70b9\u6570\u636e\u4f20\u8f93\u548c\u8def\u7531\u65b9\u6848\u3002<\/p>\n<p>\u5bb9\u5668\u5728\u4e24\u4e2a\u8de8\u4e3b\u673a\u8fdb\u884c\u901a\u4fe1\u7684\u65f6\u5019\uff0c\u662f\u4f7f\u7528overlay network\u8fd9\u4e2a\u7f51\u7edc\u6a21\u5f0f\u8fdb\u884c\u901a\u4fe1\uff1b\u5982\u679c\u4f7f\u7528host\u4e5f\u53ef\u4ee5\u5b9e\u73b0\u8de8\u4e3b\u673a\u8fdb\u884c\u901a\u4fe1\uff0c\u76f4\u63a5\u4f7f\u7528\u8fd9\u4e2a\u7269\u7406\u7684ip\u5730\u5740\u5c31\u53ef\u4ee5\u8fdb\u884c\u901a\u4fe1\u3002overlay\u5b83\u4f1a\u865a\u62df\u51fa\u4e00\u4e2a\u7f51\u7edc\u6bd4\u598210.0.2.3\u8fd9\u4e2aip\u5730\u5740\u3002\u5728\u8fd9\u4e2aoverlay\u7f51\u7edc\u6a21\u5f0f\u91cc\u9762\uff0c\u6709\u4e00\u4e2a\u7c7b\u4f3c\u4e8e\u670d\u52a1\u7f51\u5173\u7684\u5730\u5740\uff0c\u7136\u540e\u628a\u8fd9\u4e2a\u5305\u8f6c\u53d1\u5230\u7269\u7406\u670d\u52a1\u5668\u8fd9\u4e2a\u5730\u5740\uff0c\u6700\u7ec8\u901a\u8fc7\u8def\u7531\u548c\u4ea4\u6362\uff0c\u5230\u8fbe\u53e6\u4e00\u4e2a\u670d\u52a1\u5668\u7684ip\u5730\u5740\u3002<br \/>\n<div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2022\/07\/image-1657349235613.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2022\/07\/image-1657349235613.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"file\" \/><\/div><\/p>\n<p>\u8981\u5b9e\u73b0overlay\u7f51\u7edc\uff0c\u6211\u4eec\u4f1a\u6709\u4e00\u4e2a\u670d\u52a1\u53d1\u73b0\u3002\u6bd4\u5982\u8bf4consul\uff0c\u4f1a\u5b9a\u4e49\u4e00\u4e2aip\u5730\u5740\u6c60\uff0c\u6bd4\u598210.0.2.0\/24\u4e4b\u7c7b\u7684\u3002\u4e0a\u9762\u4f1a\u6709\u5bb9\u5668\uff0c\u5bb9\u5668\u7684ip\u5730\u5740\u4f1a\u4ece\u4e0a\u9762\u53bb\u83b7\u53d6\u3002\u83b7\u53d6\u5b8c\u4e86\u540e\uff0c\u4f1a\u901a\u8fc7ens33\u6765\u8fdb\u884c\u901a\u4fe1\uff0c\u8fd9\u6837\u5c31\u5b9e\u73b0\u8de8\u4e3b\u673a\u7684\u901a\u4fe1\u3002<br \/>\n<div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2022\/07\/image-1657349242862.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2022\/07\/image-1657349242862.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"file\" \/><\/div><\/p>\n<p>\u73af\u5883\u8bf4\u660e<br \/>\n<div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2022\/07\/image-1657349249582.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2022\/07\/image-1657349249582.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"file\" \/><\/div><\/p>\n<p>[root@client1 ~]# cat \/etc\/redhat-release<br \/>\nCentOS Linux release 7.3.1611 (Core)<br \/>\n[root@client2 ~]# cat \/etc\/redhat-release<br \/>\nCentOS Linux release 7.3.1611 (Core)<br \/>\n[root@client1 ~]# docker -v<br \/>\nDocker version 1.12.6, build 78d1802<br \/>\n[root@client2 ~]# docker -v<br \/>\nDocker version 1.12.6, build 78d1802<\/p>\n<p>\u4fee\u6539docker\u914d\u7f6e<br \/>\n\u4fee\u6539\u5b83\u7684\u542f\u52a8\u53c2\u6570\uff0c\u8fd9\u91cc\u7684ip\u7b49\u8981\u4fee\u6539\u6210\u81ea\u5df1\u7684\u3002<\/p>\n<p>[root@client1 ~]# cat \/lib\/systemd\/system\/docker.service | grep &quot;ExecStart=\/usr\/bin\/dockerd&quot;<br \/>\nExecStart=\/usr\/bin\/dockerd  -H tcp:\/\/0.0.0.0:2376 -H unix:\/\/\/var\/run\/docker.sock &#8211;cluster-store=consul:\/\/192.168.6.134:8500 &#8211;cluster-advertise=ens33:2376 &#8211;insecure-registry=0.0.0.0\/0<\/p>\n<p>[root@client2~]# cat \/lib\/systemd\/system\/docker.service | grep &quot;ExecStart=\/usr\/bin\/dockerd&quot;<br \/>\nExecStart=\/usr\/bin\/dockerd  -H tcp:\/\/0.0.0.0:2376 -H unix:\/\/\/var\/run\/docker.sock &#8211;cluster-store=consul:\/\/192.168.6.135:8500 &#8211;cluster-advertise=ens33:2376 &#8211;insecure-registry=0.0.0.0\/0<\/p>\n<p>\u4fee\u6539\u5b8c\u540e\uff0c\u9700\u8981\u91cd\u542f\u3002<br \/>\n[root@client1 ~]# systemctl daemon-reload<br \/>\n[root@client1 ~]# systemctl restart docker<\/p>\n<p>[root@client2 ~]# systemctl daemon-reload<br \/>\n[root@client2 ~]# systemctl restart docker<\/p>\n<p>\u67e5\u770b\u91cd\u542f\u540e\u662f\u5426\u542f\u52a8\u6210\u529f\u3002<br \/>\n[root@client1 ~]# ps aux | grep dockerd<br \/>\nroot     107931  0.4  2.7 507600 27908 ?        Ssl  16:52   0:00 \/usr\/bin\/dockerd -H tcp:\/\/0.0.0.0:2376 -H unix:\/\/\/var\/run\/docker.sock &#8211;cluster-store=consul:\/\/192.168.6.134:8500 &#8211;cluster-advertise=ens33:2376 &#8211;insecure-registry=0.0.0.0\/0<\/p>\n<p>[root@client1 ~]# ps aux | grep dockerd<br \/>\nroot     107931  0.4  2.7 507600 27908 ?        Ssl  16:52   0:00 \/usr\/bin\/dockerd -H tcp:\/\/0.0.0.0:2376 -H unix:\/\/\/var\/run\/docker.sock &#8211;cluster-store=consul:\/\/192.168.6.135:8500 &#8211;cluster-advertise=ens33:2376 &#8211;insecure-registry=0.0.0.0\/0<\/p>\n<p>\u5728\u7b2c\u4e00\u53f0\u4e3b\u673a\u4e0a\u521b\u5efa\u4e00\u4e2aconsul\u3002<br \/>\n[root@client1 ~]# docker run -d -p 8400:8400 -p 8500:8500 -p 8600:53\/udp -h consul progrium\/consul -server -bootstrap -ui-dir \/ui<\/p>\n<p>\u67e5\u770b\u542f\u52a8\u662f\u5426\u6210\u529f\u3002<br \/>\n[root@client1 ~]# docker ps<br \/>\nCONTAINER ID        IMAGE               COMMAND                  CREATED             STATUS              PORTS                                                                                                        NAMES<br \/>\n561ad5f39ca5        progrium\/consul     &quot;\/bin\/start -server -&quot;   27 hours ago        Up 7 seconds        53\/tcp, 0.0.0.0:8400-&gt;8400\/tcp, 8300-8302\/tcp, 8301-8302\/udp, 0.0.0.0:8500-&gt;8500\/tcp, 0.0.0.0:8600-&gt;53\/udp   focused_spence<\/p>\n<p>\u521b\u5efa\u5b8c\u540e\u901a\u8fc7\u6d4f\u89c8\u5668\u8bbf\u95ee\u4e00\u4e0b\uff0c\u53ef\u4ee5\u770b\u5230\u8fd9\u4e24\u53f0\u4f1a\u81ea\u52a8\u6ce8\u518c\u4e0a\u6765\uff0c\u8fd9\u6837\u7684\u8bdd\u8fd9\u4e24\u4e2a\u4e3b\u673a\u4e4b\u95f4\u5c31\u4f1a\u8fdb\u884c\u901a\u4fe1\u3002<br \/>\n<div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2022\/07\/image-1657349285475.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2022\/07\/image-1657349285475.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"file\" \/><\/div><\/p>\n<p>\u5728\u7b2c\u4e00\u53f0\u4e3b\u673a\u4e0a\u521b\u5efa\u4e00\u4e2aoverlay\u7f51\u7edc\u3002<br \/>\n[root@client1 ~]# docker network create -d overlay &#8211;subnet=10.0.2.1\/24 overlay-net<br \/>\n80e398c37493ec1a4132efa56572a9212ac5688b557772d295c21a0d0916120b<br \/>\n[root@client1 ~]# docker network ls<br \/>\nNETWORK ID          NAME                DRIVER              SCOPE<br \/>\n9008047151be        bridge              bridge              local<br \/>\nbd6513b8baec        host                host                local<br \/>\n6aed7659391a        none                null                local<br \/>\n80e398c37493        overlay-net         overlay             global  <\/p>\n<p>\u8fd9\u8fb9\u81ea\u52a8\u56de\u8fdb\u884c\u901a\u6b65\uff0c\u56e0\u4e3a\u4f7f\u7528\u7684\u662f\u540c\u4e00\u4e2a\u670d\u52a1\u5668\u53d1\u4ef6\u3002<br \/>\n[root@client2 ~]# docker network ls<br \/>\nNETWORK ID          NAME                DRIVER              SCOPE<br \/>\n9008047171be        bridge              bridge              local<br \/>\nbd6513b8baec        host                host                local<br \/>\n6aed7449391a        none                null                local<br \/>\n80e399c37493        overlay-net         overlay             global<\/p>\n<p>\u521b\u5efa\u4e00\u4e2a\u4f7f\u7528overlay\u7f51\u7edc\u7684\u5bb9\u5668\u3002<br \/>\n[root@client1 ~]# docker run -d &#8211;name app1 &#8211;net=overlay-net registry<br \/>\nc8ec2b34c97abd2e563d236d6fe1b51686f7a9440f6eb171392ca0a6221c2b7a<\/p>\n<p>\u67e5\u770b\u662f\u5426\u521b\u5efa\u6210\u529f\u3002<br \/>\nroot@client1 ~]# docker ps<br \/>\nCONTAINER ID        IMAGE               COMMAND                  CREATED             STATUS              PORTS                                                                                                        NAMES<br \/>\nc8ec2b34c97a        registry            &quot;\/entrypoint.sh \/etc\/&quot;   About an hour ago   Up 6 seconds        5000\/tcp                                                                                                     app1<\/p>\n<p>\u767b\u9646\u8fdb\u53bb\u67e5\u770bip\u5730\u5740\u662f\u5426\u662f10.0.2.0\u7684\u7f51\u6bb5\u3002<\/p>\n<p>[root@client1 ~]# docker exec -it app1 sh<br \/>\n\/ # ifconfig<br \/>\neth0      Link encap:Ethernet  HWaddr 02:42:0A:00:02:02<br \/>\ninet addr:10.0.2.2  Bcast:0.0.0.0  Mask:255.255.255.0<br \/>\ninet6 addr: fe80::42:aff:fe00:202%32683\/64 Scope:Link<br \/>\nUP BROADCAST RUNNING MULTICAST  MTU:1450  Metric:1<br \/>\nRX packets:15 errors:0 dropped:0 overruns:0 frame:0<br \/>\nTX packets:8 errors:0 dropped:0 overruns:0 carrier:0<br \/>\ncollisions:0 txqueuelen:0<br \/>\nRX bytes:1206 (1.1 KiB)  TX bytes:648 (648.0 B)<\/p>\n<p>eth1      Link encap:Ethernet  HWaddr 02:42:AC:13:00:02<br \/>\ninet addr:172.19.0.2  Bcast:0.0.0.0  Mask:255.255.0.0<br \/>\ninet6 addr: fe80::42:acff:fe13:2%32683\/64 Scope:Link<br \/>\nUP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1<br \/>\nRX packets:14 errors:0 dropped:0 overruns:0 frame:0<br \/>\nTX packets:14 errors:0 dropped:0 overruns:0 carrier:0<br \/>\ncollisions:0 txqueuelen:0<br \/>\nRX bytes:1217 (1.1 KiB)  TX bytes:1074 (1.0 KiB)<\/p>\n<p>lo        Link encap:Local Loopback<br \/>\ninet addr:127.0.0.1  Mask:255.0.0.0<br \/>\ninet6 addr: ::1%32683\/128 Scope:Host<br \/>\nUP LOOPBACK RUNNING  MTU:65536  Metric:1<br \/>\nRX packets:4 errors:0 dropped:0 overruns:0 frame:0<br \/>\nTX packets:4 errors:0 dropped:0 overruns:0 carrier:0<br \/>\ncollisions:0 txqueuelen:1<br \/>\nRX bytes:379 (379.0 B)  TX bytes:379 (379.0 B)<\/p>\n<p>\u5b83\u4e5f\u5177\u5907\u4e00\u4e2anat\u7f51\u7edc\u6a21\u5f0f\u3002<br \/>\n\/ # ping www.baidu.com<br \/>\nPING www.baidu.com (61.135.169.125): 56 data bytes<br \/>\n64 bytes from 61.135.169.125: seq=0 ttl=127 time=27.659 ms<br \/>\n64 bytes from 61.135.169.125: seq=1 ttl=127 time=29.027 ms<br \/>\n^C<br \/>\n&#8212; www.baidu.com ping statistics &#8212;<br \/>\n2 packets transmitted, 2 packets received, 0% packet loss<br \/>\nround-trip min\/avg\/max = 27.659\/28.343\/29.027 ms<\/p>\n<p>\u5728\u53e6\u4e00\u53f0\u673a\u5668\u4e0a\u9762\u540c\u6837\u521b\u5efa\u4e00\u4e2aoverlay\u7f51\u8def\u7684\u5bb9\u5668\u3002<br \/>\n[root@client2 ~]# docker run -d &#8211;name app2 &#8211;net=overlay-net registry<br \/>\n[root@client2 ~]# docker exec -it app2 sh<\/p>\n<p>\u67e5\u770bip\u5730\u5740\u3002<br \/>\nUP BROADCAST RUNNING MULTICAST  MTU:1450  Metric:1<br \/>\nRX packets:13 errors:0 dropped:0 overruns:0 frame:0<br \/>\nTX packets:8 errors:0 dropped:0 overruns:0 carrier:0<br \/>\ncollisions:0 txqueuelen:0<br \/>\nRX bytes:1038 (1.0 KiB)  TX bytes:648 (648.0 B)<\/p>\n<p>eth1      Link encap:Ethernet  HWaddr 02:42:AC:14:00:02<br \/>\ninet addr:172.20.0.2  Bcast:0.0.0.0  Mask:255.255.0.0<br \/>\ninet6 addr: fe80::42:acff:fe14:2%32667\/64 Scope:Link<br \/>\nUP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1<br \/>\nRX packets:14 errors:0 dropped:0 overruns:0 frame:0<br \/>\nTX packets:8 errors:0 dropped:0 overruns:0 carrier:0<br \/>\ncollisions:0 txqueuelen:0<br \/>\nRX bytes:1080 (1.0 KiB)  TX bytes:648 (648.0 B)<\/p>\n<p>lo        Link encap:Local Loopback<br \/>\ninet addr:127.0.0.1  Mask:255.0.0.0<br \/>\ninet6 addr: ::1%32667\/128 Scope:Host<br \/>\nUP LOOPBACK RUNNING  MTU:65536  Metric:1<br \/>\nRX packets:0 errors:0 dropped:0 overruns:0 frame:0<br \/>\nTX packets:0 errors:0 dropped:0 overruns:0 carrier:0<br \/>\ncollisions:0 txqueuelen:1<br \/>\nRX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)<\/p>\n<p>\u67e5\u770bclient1\u548cclient2\u7684\u5bb9\u5668\u7f51\u7edc\u662f\u5426\u53ef\u4ee5\u4e92\u901a\u3002<br \/>\n\/ # ping 10.0.2.2<br \/>\nPING 10.0.2.2 (10.0.2.2): 56 data bytes<br \/>\n64 bytes from 10.0.2.2: seq=0 ttl=64 time=0.748 ms<br \/>\n64 bytes from 10.0.2.2: seq=1 ttl=64 time=0.428 ms<br \/>\n64 bytes from 10.0.2.2: seq=2 ttl=64 time=1.073 ms<br \/>\n^C<br \/>\n&#8212; 10.0.2.2 ping statistics &#8212;<br \/>\n3 packets transmitted, 3 packets received, 0% packet loss<br \/>\nround-trip min\/avg\/max = 0.428\/0.749\/1.073 ms<\/p>\n<p>\/ # ping app1<br \/>\nPING app1 (10.0.2.2): 56 data bytes<br \/>\n64 bytes from 10.0.2.2: seq=0 ttl=64 time=0.418 ms<br \/>\n64 bytes from 10.0.2.2: seq=1 ttl=64 time=0.486 ms<br \/>\n64 bytes from 10.0.2.2: seq=2 ttl=64 time=0.364 ms<br \/>\n^C<br \/>\n&#8212; app1 ping statistics &#8212;<br \/>\n3 packets transmitted, 3 packets received, 0% packet loss<br \/>\nround-trip min\/avg\/max = 0.364\/0.422\/0.486 ms<\/p>\n<p>\u5230\u6b64\uff0c \u5728client2\u4e3b\u673a\u4e0a\u7684\u5bb9\u5668\u53ef\u4ee5\u76f4\u63a5\u4e92\u901a\u3002\u6211\u4eec\u8fd9\u91cc\u5b9e\u73b0\u4e86\u8de8\u4e3b\u673a\u901a\u4fe1\uff0c\u662f\u901a\u8fc7overlay network\u8fd9\u79cd\u7f51\u7edc\u6a21\u5f0f\u8fdb\u884c\u901a\u4fe1\u7684\u3002 <\/p>\n<p>\u8f6c\u8f7d\u81ea\uff1a<a href=\"http:\/\/www.dockone.io\/article\/2717\">http:\/\/www.dockone.io\/article\/2717<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>DOCKER\u7684\u5185\u7f6eOVERLAY\u7f51\u7edc \u5185\u7f6e\u8de8\u4e3b\u673a\u7684\u7f51\u7edc\u901a\u4fe1\u4e00\u76f4\u662fDocker\u5907\u53d7\u671f\u5f85\u7684\u529f\u80fd\uff0c\u57281.9\u7248\u672c\u4e4b\u524d\uff0c [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[417],"tags":[],"_links":{"self":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/7085"}],"collection":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7085"}],"version-history":[{"count":0,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/7085\/revisions"}],"wp:attachment":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7085"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7085"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7085"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}