{"id":483,"date":"2012-07-04T16:56:41","date_gmt":"2012-07-04T08:56:41","guid":{"rendered":"http:\/\/rmohan.com\/?p=483"},"modified":"2012-07-04T16:56:41","modified_gmt":"2012-07-04T08:56:41","slug":"multicast-on-linux","status":"publish","type":"post","link":"https:\/\/mohan.sg\/?p=483","title":{"rendered":"Multicast on linux"},"content":{"rendered":"<p><strong>Multicast on linux<\/strong><\/p>\n<p>&nbsp;<\/p>\n<pre># setup the routes\r\nip route add 224.0.0.0\/4 dev eth0\r\n\r\n# try to ping the multicast aware hosts on your lan with 2 pings\r\nping -c 2 224.0.0.1\r\n# 100% packet loss\r\n\r\n# stop ignoring broadcasts\r\nsudo echo 0 &gt; \/proc\/sys\/net\/ipv4\/icmp_echo_ignore_broadcasts\r\n\r\n# try to ping the multicast aware hosts on your lan with 2 pings\r\nping -c 2 224.0.0.1\r\n# 100% packet success!\r\n\r\n# make your change permanent\r\necho \"net.ipv4.icmp_echo_ignore_broadcasts = 0\" &gt;&gt; \/etc\/sysctl.conf<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Multicast on linux<\/p>\n<p>&nbsp;<\/p>\n<p> # setup the routes ip route add 224.0.0.0\/4 dev eth0 # try to ping the multicast aware hosts on your lan with 2 pings ping -c 2 224.0.0.1 # 100% packet loss # stop ignoring broadcasts sudo echo 0 &gt; \/proc\/sys\/net\/ipv4\/icmp_echo_ignore_broadcasts # try to ping the multicast aware hosts on your [&#8230;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[],"_links":{"self":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts\/483"}],"collection":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=483"}],"version-history":[{"count":2,"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts\/483\/revisions"}],"predecessor-version":[{"id":485,"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts\/483\/revisions\/485"}],"wp:attachment":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=483"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=483"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=483"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}