{"id":1167,"date":"2019-10-20T12:33:49","date_gmt":"2019-10-20T11:33:49","guid":{"rendered":"http:\/\/coding.moris.org\/?p=1167"},"modified":"2021-11-19T20:53:21","modified_gmt":"2021-11-19T20:53:21","slug":"centrino-ultimate-n-6300-slow-to-connect-to-wi-fi-network","status":"publish","type":"post","link":"https:\/\/priscimon.net\/coding\/2019\/10\/20\/centrino-ultimate-n-6300-slow-to-connect-to-wi-fi-network\/","title":{"rendered":"Centrino Ultimate N-6300 slow to connect to WiFi network"},"content":{"rendered":"\n<p>WiFi connections from my laptop became unstable after I upgraded it to Ubuntu 19.04. To get them to work, I had to turn the WiFi adapter on and off several times, which quickly became annoying.<\/p>\n\n\n\n<p>The following attempts to fix the problem were unsuccessful:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>disabling IPv6<\/li><li>disabling power-saving on the WiFi adapter<\/li><li>setting <code>bt_coex_active=0<\/code> during kernel loading to disable Bluetooth\/WiFi interference protection<\/li><\/ul>\n\n\n\n<p>Eventually the correct solution was to disable 802.11n with the following procedure:<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>Edit or create a configuration file under <code>\/etc\/modprobe.d<\/code> (e.g. <code>iwlwifi_custom.conf<\/code>).<\/li><li>Add this line and save the file.<br \/><code>options iwlwifi 11n_disable=1<\/code><\/li><li>Reload the <em>iwlwifi<\/em> module.<br \/><code>sudo rmmod iwldvm <\/code><br \/><code>sudo rmmod iwlwifi <\/code><br \/><code>sudo modprobe iwlwifi<\/code><\/li><li>Connect to the WiFi network.<\/li><\/ol>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>WiFi connections from my laptop became unstable after I upgraded it to Ubuntu 19.04. To get them to work, I had to turn the WiFi adapter on and off several times, which quickly became annoying. The following attempts to fix the problem were unsuccessful: disabling IPv6 disabling power-saving on the WiFi adapter setting bt_coex_active=0 during [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1167","post","type-post","status-publish","format-standard","hentry","category-general"],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p3I4g9-iP","jetpack-related-posts":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/priscimon.net\/coding\/wp-json\/wp\/v2\/posts\/1167","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/priscimon.net\/coding\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/priscimon.net\/coding\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/priscimon.net\/coding\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/priscimon.net\/coding\/wp-json\/wp\/v2\/comments?post=1167"}],"version-history":[{"count":15,"href":"https:\/\/priscimon.net\/coding\/wp-json\/wp\/v2\/posts\/1167\/revisions"}],"predecessor-version":[{"id":1496,"href":"https:\/\/priscimon.net\/coding\/wp-json\/wp\/v2\/posts\/1167\/revisions\/1496"}],"wp:attachment":[{"href":"https:\/\/priscimon.net\/coding\/wp-json\/wp\/v2\/media?parent=1167"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/priscimon.net\/coding\/wp-json\/wp\/v2\/categories?post=1167"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/priscimon.net\/coding\/wp-json\/wp\/v2\/tags?post=1167"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}