{"id":506,"date":"2010-03-21T23:31:58","date_gmt":"2010-03-21T23:31:58","guid":{"rendered":"http:\/\/mccltd.net\/blog\/?p=506"},"modified":"2010-03-21T23:32:29","modified_gmt":"2010-03-21T23:32:29","slug":"comparing-ethernet-ii-and-802-3","status":"publish","type":"post","link":"http:\/\/darenmatthews.com\/blog\/?p=506","title":{"rendered":"Comparing Ethernet II and 802.3"},"content":{"rendered":"<p>There is IEEE802.3 ethernet and Ethernet II.\u00a0 THe former has a &#8220;length&#8221; field in it (and also an 802.2 LLC and &#8216;SNAP&#8217; header) and the latter (the one we use most commonly common on TCP\/IP networks) replaces length field with a &#8220;type&#8221; field&#8230;<!--more--><\/p>\n<p><a rel=\"attachment wp-att-507\" href=\"http:\/\/darenmatthews.com\/blog\/?attachment_id=507\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-507\" title=\"Ethernet Comparison - 802.2 and Ethernet II\" src=\"http:\/\/darenmatthews.com\/blog\/wp-content\/uploads\/2010\/03\/Ethernet-Comparison.gif\" alt=\"Ethernet Comparison - 802.2 and Ethernet II\" width=\"593\" height=\"515\" srcset=\"http:\/\/darenmatthews.com\/blog\/wp-content\/uploads\/2010\/03\/Ethernet-Comparison.gif 593w, http:\/\/darenmatthews.com\/blog\/wp-content\/uploads\/2010\/03\/Ethernet-Comparison-300x260.gif 300w\" sizes=\"(max-width: 593px) 100vw, 593px\" \/><\/a><\/p>\n<p>The Type field denotes the upper-layer protocol, e.g. Hex 0800 for IP or 0806 for ARP (see iana numbers assignment at [url]http:\/\/www.iana.org\/assignments\/ethernet-numbers[\/url]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>There is IEEE802.3 ethernet and Ethernet II.\u00a0 THe former has a &#8220;length&#8221; field in it (and also an 802.2 LLC and &#8216;SNAP&#8217; header) and the latter (the one we use most commonly common on TCP\/IP networks) replaces length field with a &#8220;type&#8221; field&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[29],"tags":[86],"_links":{"self":[{"href":"http:\/\/darenmatthews.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/506"}],"collection":[{"href":"http:\/\/darenmatthews.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/darenmatthews.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/darenmatthews.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/darenmatthews.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=506"}],"version-history":[{"count":4,"href":"http:\/\/darenmatthews.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/506\/revisions"}],"predecessor-version":[{"id":511,"href":"http:\/\/darenmatthews.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/506\/revisions\/511"}],"wp:attachment":[{"href":"http:\/\/darenmatthews.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=506"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/darenmatthews.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=506"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/darenmatthews.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=506"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}