<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Cisco on Diogo Gomes</title><link>https://diogogomes.com/tags/cisco/</link><description>Recent content in Cisco on Diogo Gomes</description><generator>Hugo</generator><language>en</language><copyright>{year}</copyright><lastBuildDate>Wed, 21 Nov 2007 12:20:55 +0000</lastBuildDate><atom:link href="https://diogogomes.com/tags/cisco/index.xml" rel="self" type="application/rss+xml"/><item><title>What's with Cisco and the Kusec?</title><link>https://diogogomes.com/2007/11/21/whats-with-cisco-and-the-kusec/</link><pubDate>Wed, 21 Nov 2007 12:20:55 +0000</pubDate><guid>https://diogogomes.com/2007/11/21/whats-with-cisco-and-the-kusec/</guid><description>&lt;p&gt;This week my ARA (Advanced Networks class) lab students got the chance to work with some recent equipment acquired by the department. The equipment consists of several enterprise grade &lt;a href="http://www.cisco.com/"&gt;CISCO&lt;/a&gt; networks wireless units (Access Points and Network cards) that most of them will eventually deploy in their future careers, and have during these labs classes the chance to a have a first contact with.
&lt;a href="http://www.flickr.com/photos/shlak/2052504838/" title="Kusec by Diogo Gomes, on Flickr"&gt;&lt;img src="http://farm3.static.flickr.com/2198/2052504838_62099c59fd.jpg" alt="Kusec" class="alignleft" height="375" width="500" /&gt;&lt;/a&gt;
The curiosity here lies on the fact that Beacon Periods in CISCO equipments do not use &amp;ldquo;standard&amp;rdquo; time units.. they use something called Kusec. What ?! a &lt;a href="http://en.wikipedia.org/wiki/Kilo-"&gt;Kilo&lt;/a&gt; &lt;a href="http://en.wikipedia.org/wiki/Micro-"&gt;Micro&lt;/a&gt; Second ? In my days (and guess wikipedia days&amp;hellip;) Kilo meant 10&lt;sup&gt;3&lt;/sup&gt; and Micro meant 10&lt;sup&gt;?6&lt;/sup&gt; which would mean 10&lt;sup&gt;-3&lt;/sup&gt; or good old &lt;a href="http://en.wikipedia.org/wiki/Milli"&gt;Milli&lt;/a&gt;. So where from does Kusec comes from? Kusec equals (&lt;a href="http://www.cisco.com/warp/public/779/smbiz/prodconfig/help/eag/123-02.JA/1400BR/h_ap_network-if_802-11_c.htm"&gt;according to CISCO&lt;/a&gt;) 1024 microseconds&amp;hellip; hmmm shouldn&amp;rsquo;t it be then a &lt;a href="http://en.wikipedia.org/wiki/Kibi#IEC_standard_prefixes"&gt;Kibi&lt;/a&gt; Micro Second ? and therefore Kiusec ? And whats wrong with miliseconds ? All other vendors have the Beacon Periods configured in milliseconds&amp;hellip;&lt;/p&gt;</description></item></channel></rss>