{"id":20,"date":"2024-06-07T16:53:30","date_gmt":"2024-06-07T20:53:30","guid":{"rendered":"https:\/\/15packets.com\/?p=20"},"modified":"2024-06-08T01:32:45","modified_gmt":"2024-06-08T05:32:45","slug":"switch-basics","status":"publish","type":"post","link":"https:\/\/15packets.com\/?p=20","title":{"rendered":"Switch Basics"},"content":{"rendered":"\n<p class=\"has-medium-font-size\">A switch is known as a <mark style=\"background-color:#fcb900\" class=\"has-inline-color\"><strong>Layer 2<\/strong><\/mark> device, meaning it can only interact with MAC addresses; not IP addresses.<\/p>\n\n\n\n<p class=\"has-medium-font-size\"><strong><mark style=\"background-color:#fcb900\" class=\"has-inline-color\">MAC<\/mark><\/strong> stands for Media Access Control and every device that has networking capabilities must have one. <br><br>A hub is accomplishes the same task as a switch but rather than sending a frame (packet) to just the target machine, it sends the message to all machines.<\/p>\n\n\n\n<p class=\"has-medium-font-size\">All messages sent through the switch are known as <mark><mark style=\"background-color:#fcb900\" class=\"has-inline-color\"><strong>frames<\/strong><\/mark><\/mark>. Sometimes also known as packets.<\/p>\n\n\n\n<p class=\"has-medium-font-size\">The MAC addresses of devices are stored in the switch&#8217;s <mark style=\"background-color:#fcb900\" class=\"has-inline-color\"><strong>CAM cable<\/strong><\/mark>.<br><br>CAM stands for <mark style=\"background-color:#fcb900\" class=\"has-inline-color\"><strong>Content Addressable Memory<\/strong><\/mark>.<\/p>\n\n\n\n<p class=\"has-medium-font-size\">WAP (Wireless Access Point) acts very similar to a hub.<\/p>\n\n\n\n<p class=\"has-medium-font-size\">Managed\/Unmanaged switch&#8217;s send frames with L2 header, so they go to the specific device located in the CAM cable.<br>f<br>6\/5\/24 (First Cisgo command!): <code><strong>show-mac-address<\/strong><\/code><\/p>\n\n\n\n<p class=\"has-medium-font-size\">Layer 2: Switch &amp; MAC Address<\/p>\n\n\n\n<p class=\"has-medium-font-size\">Layer 3: IP Address<\/p>\n\n\n\n<p class=\"has-medium-font-size\">Layer 1: On the wire\/Anything physical<\/p>\n\n\n\n<p class=\"has-medium-font-size\">Cisgo uses <strong><mark style=\"background-color:#fcb900\" class=\"has-inline-color\">Fa\/xx<\/mark><\/strong> for port management and assignment<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A switch is known as a Layer 2 device, meaning it can only interact with MAC addresses; not IP addresses. MAC stands for Media Access Control and every device that has networking capabilities must have one. A hub is accomplishes<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-20","post","type-post","status-publish","format-standard","hentry","category-ccna"],"_links":{"self":[{"href":"https:\/\/15packets.com\/index.php?rest_route=\/wp\/v2\/posts\/20","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/15packets.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/15packets.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/15packets.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/15packets.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=20"}],"version-history":[{"count":2,"href":"https:\/\/15packets.com\/index.php?rest_route=\/wp\/v2\/posts\/20\/revisions"}],"predecessor-version":[{"id":38,"href":"https:\/\/15packets.com\/index.php?rest_route=\/wp\/v2\/posts\/20\/revisions\/38"}],"wp:attachment":[{"href":"https:\/\/15packets.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=20"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/15packets.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=20"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/15packets.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=20"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}