{"action":"created","issue":{"url":"https://api.github.com/repos/kubernetes/kops/issues/2075","repository_url":"https://api.github.com/repos/kubernetes/kops","labels_url":"https://api.github.com/repos/kubernetes/kops/issues/2075/labels{/name}","comments_url":"https://api.github.com/repos/kubernetes/kops/issues/2075/comments","events_url":"https://api.github.com/repos/kubernetes/kops/issues/2075/events","html_url":"https://github.com/kubernetes/kops/issues/2075","id":212983952,"node_id":"MDU6SXNzdWUyMTI5ODM5NTI=","number":2075,"title":"Inappropriate use of RFC6598 addresses","user":{"login":"rbtcollins","id":499678,"node_id":"MDQ6VXNlcjQ5OTY3OA==","avatar_url":"https://avatars2.githubusercontent.com/u/499678?v=4","gravatar_id":"","url":"https://api.github.com/users/rbtcollins","html_url":"https://github.com/rbtcollins","followers_url":"https://api.github.com/users/rbtcollins/followers","following_url":"https://api.github.com/users/rbtcollins/following{/other_user}","gists_url":"https://api.github.com/users/rbtcollins/gists{/gist_id}","starred_url":"https://api.github.com/users/rbtcollins/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/rbtcollins/subscriptions","organizations_url":"https://api.github.com/users/rbtcollins/orgs","repos_url":"https://api.github.com/users/rbtcollins/repos","events_url":"https://api.github.com/users/rbtcollins/events{/privacy}","received_events_url":"https://api.github.com/users/rbtcollins/received_events","type":"User","site_admin":false},"labels":[{"id":469776379,"node_id":"MDU6TGFiZWw0Njk3NzYzNzk=","url":"https://api.github.com/repos/kubernetes/kops/labels/area/documentation","name":"area/documentation","color":"c5def5","default":false},{"id":778139396,"node_id":"MDU6TGFiZWw3NzgxMzkzOTY=","url":"https://api.github.com/repos/kubernetes/kops/labels/lifecycle/rotten","name":"lifecycle/rotten","color":"604460","default":false}],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":9,"created_at":"2017-03-09T09:45:07Z","updated_at":"2018-08-04T23:59:28Z","closed_at":null,"author_association":"NONE","body":"I'm not sure if you consider this a bug or not - but I was very surprised when I saw the IP range we got by default with a new kops deployed cluster.\r\n\r\nhttps://github.com/kubernetes/kops/blob/2c93bff6d73b1f3e7e0d0a422a7710cc3777b3b9/upup/pkg/fi/cloudup/defaults.go#L70 defaults the IP range used for the pods and cluster addresses to 100.64 - but this range is specifically reserved for CGN <-> CP interconnect.\r\n\r\nAt least as I read https://tools.ietf.org/html/rfc6598#section-4 kops fails per \" Because CGN service requires non-overlapping address space on each\r\n   side of the home NAT and CGN, entities using Shared Address Space for\r\n   purposes other than for CGN service, as described in this document,\r\n   are likely to experience problems implementing or connecting to CGN\r\n   service at such time as they exhaust their supply of public IPv4\r\n   addresses.\"\r\n\r\nIt would be better - as well as delivering more IP space - to use RFC1918 addresses such as 10/8. I've been trying to think of a technical reason you might prefer RFC6598 addresses, but I'm drawing a blank :). If this isn't actually a strategic choice, I'd be happy to put forward a patch fixing the default."},"comment":{"url":"https://api.github.com/repos/kubernetes/kops/issues/comments/410485379","html_url":"https://github.com/kubernetes/kops/issues/2075#issuecomment-410485379","issue_url":"https://api.github.com/repos/kubernetes/kops/issues/2075","id":410485379,"node_id":"MDEyOklzc3VlQ29tbWVudDQxMDQ4NTM3OQ==","user":{"login":"fejta-bot","id":30488982,"node_id":"MDQ6VXNlcjMwNDg4OTgy","avatar_url":"https://avatars1.githubusercontent.com/u/30488982?v=4","gravatar_id":"","url":"https://api.github.com/users/fejta-bot","html_url":"https://github.com/fejta-bot","followers_url":"https://api.github.com/users/fejta-bot/followers","following_url":"https://api.github.com/users/fejta-bot/following{/other_user}","gists_url":"https://api.github.com/users/fejta-bot/gists{/gist_id}","starred_url":"https://api.github.com/users/fejta-bot/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/fejta-bot/subscriptions","organizations_url":"https://api.github.com/users/fejta-bot/orgs","repos_url":"https://api.github.com/users/fejta-bot/repos","events_url":"https://api.github.com/users/fejta-bot/events{/privacy}","received_events_url":"https://api.github.com/users/fejta-bot/received_events","type":"User","site_admin":false},"created_at":"2018-08-04T23:59:28Z","updated_at":"2018-08-04T23:59:28Z","author_association":"NONE","body":"Rotten issues close after 30d of inactivity.\nReopen the issue with `/reopen`.\nMark the issue as fresh with `/remove-lifecycle rotten`.\n\nSend feedback to sig-testing, kubernetes/test-infra and/or [fejta](https://github.com/fejta).\n/close"}}
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