{"action":"created","issue":{"url":"https://api.github.com/repos/Ansuel/tch-nginx-gui/issues/62","repository_url":"https://api.github.com/repos/Ansuel/tch-nginx-gui","labels_url":"https://api.github.com/repos/Ansuel/tch-nginx-gui/issues/62/labels{/name}","comments_url":"https://api.github.com/repos/Ansuel/tch-nginx-gui/issues/62/comments","events_url":"https://api.github.com/repos/Ansuel/tch-nginx-gui/issues/62/events","html_url":"https://github.com/Ansuel/tch-nginx-gui/issues/62","id":336669177,"node_id":"MDU6SXNzdWUzMzY2NjkxNzc=","number":62,"title":"Problem with certain kinds of IPv6 packets (Hurricane Electric IPv6 Tunnel)","user":{"login":"meyergru","id":17402664,"node_id":"MDQ6VXNlcjE3NDAyNjY0","avatar_url":"https://avatars0.githubusercontent.com/u/17402664?v=4","gravatar_id":"","url":"https://api.github.com/users/meyergru","html_url":"https://github.com/meyergru","followers_url":"https://api.github.com/users/meyergru/followers","following_url":"https://api.github.com/users/meyergru/following{/other_user}","gists_url":"https://api.github.com/users/meyergru/gists{/gist_id}","starred_url":"https://api.github.com/users/meyergru/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/meyergru/subscriptions","organizations_url":"https://api.github.com/users/meyergru/orgs","repos_url":"https://api.github.com/users/meyergru/repos","events_url":"https://api.github.com/users/meyergru/events{/privacy}","received_events_url":"https://api.github.com/users/meyergru/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":2,"created_at":"2018-06-28T15:24:12Z","updated_at":"2018-07-01T16:28:48Z","closed_at":null,"author_association":"CONTRIBUTOR","body":"There are problems with lost packets to the HE IPv6 tunnel endpoint, even in bridge mode.\r\n\r\nThis has been discussed here:\r\n\r\nhttps://www.onlinekosten.de/forum/showthread.php?p=2439539#post2439539\r\n\r\nThere is a cure for that behaviour, namely setting:\r\n\r\n```\r\nfcctl disable\r\nfcctl config --mcast 0\r\n```\r\n\r\nWhich disables some aspects of then proprietary Broadcomm \"Flow Cache\" feature that causes these drops.\r\n\r\nMaybe you could add a preference checkbox (\"Disable Flow Cache to support IPv6 tunneling\") for this which applies those settings on every startup."},"comment":{"url":"https://api.github.com/repos/Ansuel/tch-nginx-gui/issues/comments/401617413","html_url":"https://github.com/Ansuel/tch-nginx-gui/issues/62#issuecomment-401617413","issue_url":"https://api.github.com/repos/Ansuel/tch-nginx-gui/issues/62","id":401617413,"node_id":"MDEyOklzc3VlQ29tbWVudDQwMTYxNzQxMw==","user":{"login":"meyergru","id":17402664,"node_id":"MDQ6VXNlcjE3NDAyNjY0","avatar_url":"https://avatars0.githubusercontent.com/u/17402664?v=4","gravatar_id":"","url":"https://api.github.com/users/meyergru","html_url":"https://github.com/meyergru","followers_url":"https://api.github.com/users/meyergru/followers","following_url":"https://api.github.com/users/meyergru/following{/other_user}","gists_url":"https://api.github.com/users/meyergru/gists{/gist_id}","starred_url":"https://api.github.com/users/meyergru/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/meyergru/subscriptions","organizations_url":"https://api.github.com/users/meyergru/orgs","repos_url":"https://api.github.com/users/meyergru/repos","events_url":"https://api.github.com/users/meyergru/events{/privacy}","received_events_url":"https://api.github.com/users/meyergru/received_events","type":"User","site_admin":false},"created_at":"2018-07-01T16:28:48Z","updated_at":"2018-07-01T16:28:48Z","author_association":"CONTRIBUTOR","body":"You can test the current settings with 'fcctl status', it seems they are applied immediately.\r\n\r\nI have disabled the feature completely by doing this in /etc/rc.local:\r\n\r\n```\r\nfcctl disable\r\nfcctl config --l2tp 0\r\nfcctl config --gre 0\r\nfcctl config --ipv6 0\r\nfcctl config --mcast 0\r\nfcctl config --mcast-learn 0\r\n```\r\n\r\nI have seen no negative effects to this, however, I do not use HE. Another user from Onlinekosten Forum found this solution to his problem.\r\n"}}
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