{"id":1390,"date":"2013-01-01T12:33:33","date_gmt":"2013-01-01T11:33:33","guid":{"rendered":"http:\/\/diablo.craem.net\/wordpress\/?p=769"},"modified":"2013-01-01T12:33:33","modified_gmt":"2013-01-01T11:33:33","slug":"mikrotik-netflow-setup-2","status":"publish","type":"post","link":"https:\/\/diablo.craem.net\/?p=1390","title":{"rendered":"Mikrotik &#038; Netflow setup"},"content":{"rendered":"<p>\t\t\t\t<![CDATA[El primer post del 2013.\nUn apunte para recordar c\u00f3mo configuraremos el netflow en una Mikrotik.\nEntramos por telnet o winbox (prefiero telnet):\n<code>\n# telnet 192.168.2.251\n   mikroTik v5.22\n   login: miuser\n   password: xxxxxx\n<\/code>\nEntramos en modo netflow y lo habilitamos:\n<code>\n\/ip traffic-flow\n \/ip traffic-flow> set enabled=yes\n<\/code>\nY comprobamos la config:\n<code>\n[craem@router] \/ip traffic-flow> print\n                enabled: yes\n             interfaces: all\n          cache-entries: 4k\n    active-flow-timeout: 30m\n  inactive-flow-timeout: 15s\n[craem@router] \/ip traffic-flow>\n<\/code>\nY ahora a\u00f1adimos el destino para los traps de netflow:\n<code>\n[craem@router] \/ip traffic-flow target\n[craem@router] add address=192.168.2.3:9996 version=9\n<\/code>\nY comprobamos la config:\n<code>\n[craem@router] \/ip traffic-flow target> print\nFlags: X - disabled\n #   ADDRESS               VERSION\n 0   192.168.2.3:9996      9\n[craem@router] \/ip traffic-flow target>\n<\/code>\nY con \u00e9sto, ya lo tenemos configurado.\n<a href=\"https:\/\/es.wikipedia.org\/wiki\/Netflow\" title=\"Qu\u00e9 es netflow\">Netflow<\/a>, es un protocolo desarrollado inicialmente por cisco, que sirve para recolectar toda la info que pasa por los routers \/ interfaces.\nPodr\u00edais decir que snmp hace lo mismo, pero no es cierto. SNMP captura el volumen de tr\u00e1fico ( a lo mejor con los mibs adecuados, si), pero netflow nos desgrana en detalle ip&#8217;s origen \/ destino \/ puerto y con el programa adecuado, por ejemplo <a href=\"https:\/\/www.manageengine.com\/products\/netflow\/spanish\/index.html\" title=\"ManageEngine\"><\/a>, obtendremos unas estad\u00edsticas interesantes, que nos puede servir, por ejemplo, para saber en qu\u00e9 gastamos nuestro ancho de banda, cantidad, etc..\nEnjoy your netflow \ud83d\ude42\n]]>\t\t<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\t\t\t\t<![CDATA[]]>\t\t<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,8],"tags":[41,107,121],"class_list":["post-1390","post","type-post","status-publish","format-standard","hentry","category-linux","category-varios","tag-cisco","tag-mikrotik","tag-netflow"],"_links":{"self":[{"href":"https:\/\/diablo.craem.net\/index.php?rest_route=\/wp\/v2\/posts\/1390","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/diablo.craem.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/diablo.craem.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/diablo.craem.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/diablo.craem.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1390"}],"version-history":[{"count":0,"href":"https:\/\/diablo.craem.net\/index.php?rest_route=\/wp\/v2\/posts\/1390\/revisions"}],"wp:attachment":[{"href":"https:\/\/diablo.craem.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1390"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/diablo.craem.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1390"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/diablo.craem.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1390"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}