1.0Blog-boxcoreahttps://blog.boxcorea.com/wpsnowffoxhttps://blog.boxcorea.com/wp/archives/author/adminrich600338<blockquote class="wp-embedded-content" data-secret="XneS0mFYYb"><a href="https://blog.boxcorea.com/wp/archives/2123">[GNS3 Labs. Cisco] STP(Spanning Tree Protocol)</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://blog.boxcorea.com/wp/archives/2123/embed#?secret=XneS0mFYYb" width="600" height="338" title="“[GNS3 Labs. Cisco] STP(Spanning Tree Protocol)” — Blog-boxcorea" data-secret="XneS0mFYYb" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://blog.boxcorea.com/wp/wp-includes/js/wp-embed.min.js /* ]]> */ </script> [GNS3 Labs. Cisco] STP(Spanning Tree Protocol) * STP 용어 . STP(Spanning Tree Protocol) – 스패닝 트리 프로토콜 (STP)은 네트워크를 모니터링하여 모든 링크를 추적하고 중복된 네트워크를 차단함으로써 L2네트워크 브리지 또는 스위치에서 네트워크 루프를 방지한다. . Root Bridge – 가장낮은 bridge ID를 가지는 브릿지. STP 네트워크에서 root bridge로 선출된 스위치는 네트워크의 초점이 된다. root bridge가 선출되면 다른 … Continue readinghttps://blog.boxcorea.com/wp/wp-content/uploads/2017/12/stp.png641431