{"id":5639,"date":"2018-01-09T09:56:36","date_gmt":"2018-01-09T15:56:36","guid":{"rendered":"http:\/\/gregsowell.com\/?p=5639"},"modified":"2018-01-09T09:56:36","modified_gmt":"2018-01-09T15:56:36","slug":"set-jumbo-frames-on-a-nexus-3064","status":"publish","type":"post","link":"https:\/\/gregsowell.com\/?p=5639","title":{"rendered":"Set Jumbo Frames On A Nexus 3064"},"content":{"rendered":"<p>It is configured system wide to 9216 with the <a href=\"https:\/\/www.cisco.com\/c\/en\/us\/td\/docs\/switches\/datacenter\/nexus3000\/sw\/qos\/503_u1_1\/b_Cisco_nexus3000_qos_config_gd_503_u1_1\/b_Cisco_nexus3000_qos_config_gd_503_u1_1_chapter_010.html#con_1150612\">following commands<\/a>:<\/p>\n<pre class=\"gs-code\"><code class=\"language-plaintext\">policy-map type network-qos jumbo\r\nclass type network-qos class-default\r\nmtu 9216\r\nexit\r\nexit\r\nsystem qos\r\nservice-policy type network-qos jumbo<\/code><\/pre>\n<p>Verification is a bit odd, though.  If you enter a standard show interface, it won&#8217;t show the correct value:<\/p>\n<pre class=\"gs-code\"><code class=\"language-plaintext\">sw02# show int e1\/1\r\nEthernet1\/1 is down (SFP not inserted)\r\n Dedicated Interface\r\n  Hardware: 100\/1000\/10000 Ethernet, address: 547f.ee52.9a08 (bia 547f.ee52.9a08\r\n)\r\n  MTU 1500 bytes, BW 10000000 Kbit, DLY 10 usec\r\n  reliability 255\/255, txload 1\/255, rxload 1\/255\r\n  Encapsulation ARPA\r\n  Port mode is access\r\n  Full-duplex, 10 Gb\/s<\/code><\/pre>\n<p>Notice how it has MTU displayed as &#8220;1500 bytes&#8221;.<\/p>\n<p>If, however, I use the show queuing command it displays correctly:<\/p>\n<pre class=\"gs-code\"><code class=\"language-plaintext\">sw02# show queuing interface e1\/1\r\nEthernet1\/1 queuing information:\r\n    qos-group  sched-type  oper-bandwidth\r\n        0       WRR            100\r\n    qos-group 0\r\n    HW MTU: 9216 (9216 configured)\r\n    drop-type: drop, xon: 0, xoff: 0\r\n    Statistics:\r\n        Ucast pkts sent over the port           : 0\r\n        Ucast bytes sent over the port          : 0\r\n        Mcast pkts sent over the port           : 0\r\n        Mcast bytes sent over the port          : 0\r\n        Ucast pkts dropped                      : 0\r\n        Ucast bytes dropped                     : 0\r\n        Mcast pkts dropped                      : 0\r\n        Mcast bytes dropped                     : 0\r\n\r\n    Pkts dropped by RX thresholds               : 0\r\n    Bytes dropped by RX thresholds              : 0<\/code><\/pre>\n<p>Notice it shows &#8220;HW MTU: 9216&#8221;.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>It is configured system wide to 9216 with the following commands: policy-map type network-qos jumbo class type network-qos class-default mtu 9216 exit exit system\u2026<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16,8],"tags":[],"class_list":["post-5639","post","type-post","status-publish","format-standard","hentry","category-cisco","category-networking"],"_links":{"self":[{"href":"https:\/\/gregsowell.com\/index.php?rest_route=\/wp\/v2\/posts\/5639","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gregsowell.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gregsowell.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gregsowell.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/gregsowell.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5639"}],"version-history":[{"count":1,"href":"https:\/\/gregsowell.com\/index.php?rest_route=\/wp\/v2\/posts\/5639\/revisions"}],"predecessor-version":[{"id":5640,"href":"https:\/\/gregsowell.com\/index.php?rest_route=\/wp\/v2\/posts\/5639\/revisions\/5640"}],"wp:attachment":[{"href":"https:\/\/gregsowell.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5639"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gregsowell.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5639"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gregsowell.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5639"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}