{"version":"1.0","provider_name":"Never been one to let the carrier drop","provider_url":"http:\/\/www.sheer.us\/weblogs","title":"CentOS DHCP with a slow cisco switch - Never been one to let the carrier drop","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"bNAV7k8OrZ\"><a href=\"http:\/\/www.sheer.us\/weblogs\/uncategorized\/centos-dhcp-with-a-slow-cisco-switch\">CentOS DHCP with a slow cisco switch<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"http:\/\/www.sheer.us\/weblogs\/uncategorized\/centos-dhcp-with-a-slow-cisco-switch\/embed#?secret=bNAV7k8OrZ\" width=\"600\" height=\"338\" title=\"&#8220;CentOS DHCP with a slow cisco switch&#8221; &#8212; Never been one to let the carrier drop\" data-secret=\"bNAV7k8OrZ\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script type=\"text\/javascript\">\n\/* <![CDATA[ *\/\n\/*! This file is auto-generated *\/\n!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);\n\/* ]]> *\/\n<\/script>\n","description":"I had a problem recently with a CentOS host that is DHCPing off a older Cisco switch that takes several seconds to do link negotation. The problem was that Ubuntu would give up on DHCPing and take the ethernet interface down before the Cisco switch got around to negotiating the link. Is there some easy [&hellip;]"}