{"action":"created","issue":{"url":"https://api.github.com/repos/docker/docker/issues/24220","repository_url":"https://api.github.com/repos/docker/docker","labels_url":"https://api.github.com/repos/docker/docker/issues/24220/labels{/name}","comments_url":"https://api.github.com/repos/docker/docker/issues/24220/comments","events_url":"https://api.github.com/repos/docker/docker/issues/24220/events","html_url":"https://github.com/docker/docker/issues/24220","id":163406485,"number":24220,"title":"Change swarm mode ingress network","user":{"login":"rmdashrfslash","id":20244188,"avatar_url":"https://avatars.githubusercontent.com/u/20244188?v=3","gravatar_id":"","url":"https://api.github.com/users/rmdashrfslash","html_url":"https://github.com/rmdashrfslash","followers_url":"https://api.github.com/users/rmdashrfslash/followers","following_url":"https://api.github.com/users/rmdashrfslash/following{/other_user}","gists_url":"https://api.github.com/users/rmdashrfslash/gists{/gist_id}","starred_url":"https://api.github.com/users/rmdashrfslash/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/rmdashrfslash/subscriptions","organizations_url":"https://api.github.com/users/rmdashrfslash/orgs","repos_url":"https://api.github.com/users/rmdashrfslash/repos","events_url":"https://api.github.com/users/rmdashrfslash/events{/privacy}","received_events_url":"https://api.github.com/users/rmdashrfslash/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/docker/docker/labels/area/swarm","name":"area/swarm","color":"fbca04"},{"url":"https://api.github.com/repos/docker/docker/labels/group/networking","name":"group/networking","color":"F6FBFF"},{"url":"https://api.github.com/repos/docker/docker/labels/version/1.12","name":"version/1.12","color":"ededed"}],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":{"url":"https://api.github.com/repos/docker/docker/milestones/53","html_url":"https://github.com/docker/docker/milestones/1.12.0","labels_url":"https://api.github.com/repos/docker/docker/milestones/53/labels","id":1657301,"number":53,"title":"1.12.0","description":"feature/code freeze: June 14th, 2016","creator":{"login":"thaJeztah","id":1804568,"avatar_url":"https://avatars.githubusercontent.com/u/1804568?v=3","gravatar_id":"","url":"https://api.github.com/users/thaJeztah","html_url":"https://github.com/thaJeztah","followers_url":"https://api.github.com/users/thaJeztah/followers","following_url":"https://api.github.com/users/thaJeztah/following{/other_user}","gists_url":"https://api.github.com/users/thaJeztah/gists{/gist_id}","starred_url":"https://api.github.com/users/thaJeztah/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/thaJeztah/subscriptions","organizations_url":"https://api.github.com/users/thaJeztah/orgs","repos_url":"https://api.github.com/users/thaJeztah/repos","events_url":"https://api.github.com/users/thaJeztah/events{/privacy}","received_events_url":"https://api.github.com/users/thaJeztah/received_events","type":"User","site_admin":false},"open_issues":107,"closed_issues":462,"state":"open","created_at":"2016-03-21T13:47:53Z","updated_at":"2016-07-01T16:35:34Z","due_on":null,"closed_at":null},"comments":3,"created_at":"2016-07-01T14:24:29Z","updated_at":"2016-07-01T17:08:26Z","closed_at":null,"body":"Hi -\r\n\r\nI'm am testing out swarm mode (1.12.0-rc2) on a couple of new centos 7 virtual machines (VMWare).  One issue I face is that the default network picked for the swarm ingress network (10.255.0.0/16) conflicts with a network in my organization.  Is it possible to change the network, or change the range on swarm creation?  \r\n\r\nOtherwise, very sweet work :)\r\n\r\n**Output of `docker version`:**\r\n\r\n```\r\nClient:\r\n Version:      1.12.0-rc2\r\n API version:  1.24\r\n Go version:   go1.6.2\r\n Git commit:   906eacd\r\n Built:        \r\n OS/Arch:      linux/amd64\r\n\r\nServer:\r\n Version:      1.12.0-rc2\r\n API version:  1.24\r\n Go version:   go1.6.2\r\n Git commit:   906eacd\r\n Built:        \r\n OS/Arch:      linux/amd64\r\n\r\n```\r\n\r\n**Output of `docker info`:**\r\n\r\n```\r\nContainers: 1\r\n Running: 1\r\n Paused: 0\r\n Stopped: 0\r\nImages: 2\r\nServer Version: 1.12.0-rc2\r\nStorage Driver: devicemapper\r\n Pool Name: docker-253:0-15237-pool\r\n Pool Blocksize: 65.54 kB\r\n Base Device Size: 10.74 GB\r\n Backing Filesystem: xfs\r\n Data file: /dev/loop0\r\n Metadata file: /dev/loop1\r\n Data Space Used: 265.1 MB\r\n Data Space Total: 107.4 GB\r\n Data Space Available: 4.03 GB\r\n Metadata Space Used: 950.3 kB\r\n Metadata Space Total: 2.147 GB\r\n Metadata Space Available: 2.147 GB\r\n Thin Pool Minimum Free Space: 10.74 GB\r\n Udev Sync Supported: true\r\n Deferred Removal Enabled: false\r\n Deferred Deletion Enabled: false\r\n Deferred Deleted Device Count: 0\r\n Data loop file: /var/lib/docker/devicemapper/devicemapper/data\r\n WARNING: Usage of loopback devices is strongly discouraged for production use. Either use `--storage-opt dm.thinpooldev` or use `--storage-opt dm.no_warn_on_loop_devices=true` to suppress this warning.\r\n Metadata loop file: /var/lib/docker/devicemapper/devicemapper/metadata\r\n Library Version: 1.02.107-RHEL7 (2016-06-09)\r\nLogging Driver: json-file\r\nCgroup Driver: cgroupfs\r\nPlugins:\r\n Volume: local\r\n Network: bridge null host overlay\r\nSwarm: active\r\n NodeID: 34hiak5m1kx7uoq21zvmuv0b3\r\n IsManager: Yes\r\n Managers: 3\r\n Nodes: 3\r\n CACertHash: sha256:ccaaea96f037886b08c96488e1bf57fba1e948e7a676a395665898601f7d539b\r\nRuntimes: default\r\nDefault Runtime: default\r\nSecurity Options: seccomp\r\nKernel Version: 3.10.0-327.22.2.el7.x86_64\r\nOperating System: CentOS Linux 7 (Core)\r\nOSType: linux\r\nArchitecture: x86_64\r\nCPUs: 2\r\nTotal Memory: 3.703 GiB\r\nName: XXXXXXXXXXX\r\nID: TJTI:I6MX:DX7R:CM4L:VH3M:FNNN:NKSO:4YFI:DPJX:TF2W:OISX:FAR5\r\nDocker Root Dir: /var/lib/docker\r\nDebug Mode (client): false\r\nDebug Mode (server): false\r\nRegistry: https://index.docker.io/v1/\r\nWARNING: bridge-nf-call-ip6tables is disabled\r\nInsecure Registries:\r\n 127.0.0.0/8\r\n\r\n```"},"comment":{"url":"https://api.github.com/repos/docker/docker/issues/comments/229999316","html_url":"https://github.com/docker/docker/issues/24220#issuecomment-229999316","issue_url":"https://api.github.com/repos/docker/docker/issues/24220","id":229999316,"user":{"login":"mrjana","id":1693482,"avatar_url":"https://avatars.githubusercontent.com/u/1693482?v=3","gravatar_id":"","url":"https://api.github.com/users/mrjana","html_url":"https://github.com/mrjana","followers_url":"https://api.github.com/users/mrjana/followers","following_url":"https://api.github.com/users/mrjana/following{/other_user}","gists_url":"https://api.github.com/users/mrjana/gists{/gist_id}","starred_url":"https://api.github.com/users/mrjana/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/mrjana/subscriptions","organizations_url":"https://api.github.com/users/mrjana/orgs","repos_url":"https://api.github.com/users/mrjana/repos","events_url":"https://api.github.com/users/mrjana/events{/privacy}","received_events_url":"https://api.github.com/users/mrjana/received_events","type":"User","site_admin":false},"created_at":"2016-07-01T17:08:26Z","updated_at":"2016-07-01T17:08:26Z","body":"@rmdashrfslash We are definitely thinking of adding the ability to configure the ingress network in the future. It just didn't make it into 1.12 code. \r\n\r\nBut just to clarify, as long as you are using a kernel in all your nodes which is greater than or equal to 3.16 this would not cause any conflicts with the host network. In those kernels it is completely in a private namespace and doesn't get exposed outside at all. Even in kernels < 3.16 it is only a problem if the conflict is in the host itself. If the host itself doesn't participate in `10.255.0.0` network then there is no problem."}}
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