{"action":"created","issue":{"url":"https://api.github.com/repos/esp8266/Arduino/issues/74","labels_url":"https://api.github.com/repos/esp8266/Arduino/issues/74/labels{/name}","comments_url":"https://api.github.com/repos/esp8266/Arduino/issues/74/comments","events_url":"https://api.github.com/repos/esp8266/Arduino/issues/74/events","html_url":"https://github.com/esp8266/Arduino/issues/74","id":68967907,"number":74,"title":"Issue with UDP Multicast Client sketch","user":{"login":"gerardwr","id":10114857,"avatar_url":"https://avatars.githubusercontent.com/u/10114857?v=3","gravatar_id":"","url":"https://api.github.com/users/gerardwr","html_url":"https://github.com/gerardwr","followers_url":"https://api.github.com/users/gerardwr/followers","following_url":"https://api.github.com/users/gerardwr/following{/other_user}","gists_url":"https://api.github.com/users/gerardwr/gists{/gist_id}","starred_url":"https://api.github.com/users/gerardwr/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/gerardwr/subscriptions","organizations_url":"https://api.github.com/users/gerardwr/orgs","repos_url":"https://api.github.com/users/gerardwr/repos","events_url":"https://api.github.com/users/gerardwr/events{/privacy}","received_events_url":"https://api.github.com/users/gerardwr/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":5,"created_at":"2015-04-16T17:10:08Z","updated_at":"2015-04-25T00:00:47Z","closed_at":null,"body":"Hi,\r\n\r\nI created an UDP Multicast Server sketch, and that works OK. The sketch accepts UDP packets sent to the Multicast IP address, and sends a confirmation packet back to the UDP Client.\r\n(ref. http://www.esp8266.com/viewtopic.php?f=29&t=2464 ).\r\n\r\nNow I would like to create a sketch where the ESP is a client sending packets to an Multicast UDP server, but I am having difficulty understanding the exact use of the functions in WiFiUdp.h.\r\n\r\nThis code compiles and runs, but packets are not received by the Server. I checked the server, it receives UDP Multicast from another client perfectly.\r\n\r\n![schermafbeelding 2015-04-16 om 17 10 42](https://cloud.githubusercontent.com/assets/10114857/7184081/902d427a-e45b-11e4-84c3-6dda42c3549f.png)\r\n\r\nAlso tried this with the same result:\r\n\r\n![schermafbeelding 2015-04-16 om 19 05 29](https://cloud.githubusercontent.com/assets/10114857/7186664/ac78e6ae-e46b-11e4-9458-34df1688836a.png)\r\n\r\nSo I am confused now, give us a hint!\r\n\r\n\r\n"},"comment":{"url":"https://api.github.com/repos/esp8266/Arduino/issues/comments/96103707","html_url":"https://github.com/esp8266/Arduino/issues/74#issuecomment-96103707","issue_url":"https://api.github.com/repos/esp8266/Arduino/issues/74","id":96103707,"user":{"login":"igrr","id":4349050,"avatar_url":"https://avatars.githubusercontent.com/u/4349050?v=3","gravatar_id":"","url":"https://api.github.com/users/igrr","html_url":"https://github.com/igrr","followers_url":"https://api.github.com/users/igrr/followers","following_url":"https://api.github.com/users/igrr/following{/other_user}","gists_url":"https://api.github.com/users/igrr/gists{/gist_id}","starred_url":"https://api.github.com/users/igrr/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/igrr/subscriptions","organizations_url":"https://api.github.com/users/igrr/orgs","repos_url":"https://api.github.com/users/igrr/repos","events_url":"https://api.github.com/users/igrr/events{/privacy}","received_events_url":"https://api.github.com/users/igrr/received_events","type":"User","site_admin":false},"created_at":"2015-04-25T00:00:47Z","updated_at":"2015-04-25T00:00:47Z","body":"Reproduced, looking at this and #105 as well."}}