{"id":573,"date":"2018-10-26T22:15:45","date_gmt":"2018-10-26T22:15:45","guid":{"rendered":"http:\/\/feralpacket.org\/?p=573"},"modified":"2018-10-26T22:15:45","modified_gmt":"2018-10-26T22:15:45","slug":"qos-class-based-weighted-fair-queueing-cbwfq-notes","status":"publish","type":"post","link":"https:\/\/feralpacket.org\/?p=573","title":{"rendered":"QoS Class Based Weighted Fair Queueing (CBWFQ) Notes"},"content":{"rendered":"<p><span style=\"font-weight: bold;\">QoS Class Based Weighted Fair Queueing (CBWFQ)<\/span><\/p>\n<p>\u00a0&#8211; Uses MQC<\/p>\n<p>\u00a0&#8211; Number of queues is equal to the number of class-maps that are active<\/p>\n<p>\u00a0&#8211; Max number of queues is 64<\/p>\n<p>\u00a0 \u00a0 \u00a0-&gt; queue-length = 64<\/p>\n<p>\u00a0&#8211; If the queue is full, then by default tail drop is used<\/p>\n<p>\u00a0 \u00a0 \u00a0-&gt; Can use Random Early Detection (RED)<\/p>\n<p><span style=\"background-color:rgb(255, 250, 165);-evernote-highlight:true;\">class-map VOICE<\/span><\/p>\n<p><span style=\"background-color:rgb(255, 250, 165);-evernote-highlight:true;\">\u00a0match ip rtp 16384 16384<\/span><\/p>\n<p><span style=\"background-color:rgb(255, 250, 165);-evernote-highlight:true;\">class-map FTP<\/span><\/p>\n<p><span style=\"background-color:rgb(255, 250, 165);-evernote-highlight:true;\">\u00a0match protocol ftp<\/span><\/p>\n<p><span style=\"background-color:rgb(255, 250, 165);-evernote-highlight:true;\">policy-map POLICY1<\/span><\/p>\n<p><span style=\"background-color:rgb(255, 250, 165);-evernote-highlight:true;\">\u00a0class VOICE<\/span><\/p>\n<p><span style=\"background-color:rgb(255, 250, 165);-evernote-highlight:true;\">\u00a0 bandwidth { &lt;value&gt; | percent &lt;value&gt; }<\/span><\/p>\n<p><span style=\"background-color:rgb(255, 250, 165);-evernote-highlight:true;\">\u00a0 bandwidth percent 60<\/span><\/p>\n<p><span style=\"background-color:rgb(255, 250, 165);-evernote-highlight:true;\">\u00a0class FTP<\/span><\/p>\n<p><span style=\"background-color:rgb(255, 250, 165);-evernote-highlight:true;\">\u00a0 bandwidth percent 15<\/span><\/p>\n<p><span style=\"background-color:rgb(255, 250, 165);-evernote-highlight:true;\">\u00a0class class-default<\/span><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/feralpacket.org\/wp-content\/uploads\/2018\/10\/6d526455ae74e540053f4430b47b9d38.jpeg\" style=\"cursor: default;cursor: default;\" width=\"600\" height=\"\"\/><\/p>\n<p>int s0\/0<\/p>\n<p>\u00a0bandwidth 2000<\/p>\n<p>\u00a0service-policy output POLICY1<\/p>\n<p>Bandwidth command hs to be used in the same format in all classes<\/p>\n<p>\u00a0&#8211; Either all be &lt;value&gt; or all be percent &lt;value&gt;<\/p>\n<p>\u00a0&#8211; Bandwidth is minimum\u00a0guaranteed\u00a0rate but can go above the configured rate if there is no congestion<\/p>\n<p>\u00a0 \u00a0 \u00a0-&gt; If incoming packet rate is lower than the outgoing interface clock rate<\/p>\n","protected":false},"excerpt":{"rendered":"<p>QoS Class Based Weighted Fair Queueing (CBWFQ)<\/p>\n","protected":false},"author":1,"featured_media":572,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[31,45],"class_list":["post-573","post","type-post","status-publish","format-standard","hentry","category-ccie","tag-published","tag-qos"],"_links":{"self":[{"href":"https:\/\/feralpacket.org\/index.php?rest_route=\/wp\/v2\/posts\/573","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/feralpacket.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/feralpacket.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/feralpacket.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/feralpacket.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=573"}],"version-history":[{"count":1,"href":"https:\/\/feralpacket.org\/index.php?rest_route=\/wp\/v2\/posts\/573\/revisions"}],"predecessor-version":[{"id":611,"href":"https:\/\/feralpacket.org\/index.php?rest_route=\/wp\/v2\/posts\/573\/revisions\/611"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/feralpacket.org\/index.php?rest_route=\/wp\/v2\/media\/572"}],"wp:attachment":[{"href":"https:\/\/feralpacket.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=573"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/feralpacket.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=573"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/feralpacket.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=573"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}