﻿<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>IT博客-cisco学习笔记-随笔分类-交换部分</title><link>http://www.cnitblog.com/dyajun/category/7584.html</link><description>&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;CCIE之路中。。。。其实我是一个天才，可惜天妒英才！o(∩_∩)o...哈哈</description><language>zh-cn</language><lastBuildDate>Tue, 11 Oct 2011 11:55:46 GMT</lastBuildDate><pubDate>Tue, 11 Oct 2011 11:55:46 GMT</pubDate><ttl>60</ttl><item><title>pvst的实验解析</title><link>http://www.cnitblog.com/dyajun/archive/2008/11/17/51560.html</link><dc:creator>cisco交流平台</dc:creator><author>cisco交流平台</author><pubDate>Mon, 17 Nov 2008 07:17:00 GMT</pubDate><guid>http://www.cnitblog.com/dyajun/archive/2008/11/17/51560.html</guid><wfw:comment>http://www.cnitblog.com/dyajun/comments/51560.html</wfw:comment><comments>http://www.cnitblog.com/dyajun/archive/2008/11/17/51560.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnitblog.com/dyajun/comments/commentRss/51560.html</wfw:commentRss><trackback:ping>http://www.cnitblog.com/dyajun/services/trackbacks/51560.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: PVST: Per-VLAN Spanning Tree（每VLAN生成树） <br><br>　　ＰＶＳＴ是解决在虚拟局域网上处理生成树的ＣＩＳＣＯ特有解决方案．ＰＶＳＴ为每个虚拟局域网运行单独的生成树实例．一般情况下ＰＶＳＴ要求在交换机之间的中继链路上运行ＣＩＳＣＯ的ＩＳＬ． <br><br>每VLAN生成树 (PVST)为每个在网络中配置的VLAN维护一个生成树实例。它使用ISL中继和允许一个VLAN中继当被其它VLANs的阻塞时将一些VLANs转发。尽管PVST对待每个VLAN作为一个单独的网络，它有能力(在第2层)通过一些在主干和其它在另一个主干中的不引起生成树循环的Vlans中的一些VLANs来负载平衡通信。<br><br> <br><br>&nbsp;&nbsp;<a href='http://www.cnitblog.com/dyajun/archive/2008/11/17/51560.html'>阅读全文</a><img src ="http://www.cnitblog.com/dyajun/aggbug/51560.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.cnitblog.com/dyajun/" target="_blank">cisco交流平台</a> 2008-11-17 15:17 <a href="http://www.cnitblog.com/dyajun/archive/2008/11/17/51560.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>单臂路由</title><link>http://www.cnitblog.com/dyajun/archive/2008/09/19/49223.html</link><dc:creator>cisco交流平台</dc:creator><author>cisco交流平台</author><pubDate>Thu, 18 Sep 2008 20:51:00 GMT</pubDate><guid>http://www.cnitblog.com/dyajun/archive/2008/09/19/49223.html</guid><wfw:comment>http://www.cnitblog.com/dyajun/comments/49223.html</wfw:comment><comments>http://www.cnitblog.com/dyajun/archive/2008/09/19/49223.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnitblog.com/dyajun/comments/commentRss/49223.html</wfw:commentRss><trackback:ping>http://www.cnitblog.com/dyajun/services/trackbacks/49223.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 说明：<br><br>单臂路由是为了降低成本，在R1的FA0/0口创建子接口。分别封装进VLAN10和20。在SW1上创建VLAN10,20，将PC1划分到VLAN 10,PC2划分到VLAN 20，FA1/5划分进TRUNK，PC1的网关是FA0/0.1的ip。PC2的网关是FA0/0.2的ip<br>&nbsp;&nbsp;<a href='http://www.cnitblog.com/dyajun/archive/2008/09/19/49223.html'>阅读全文</a><img src ="http://www.cnitblog.com/dyajun/aggbug/49223.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.cnitblog.com/dyajun/" target="_blank">cisco交流平台</a> 2008-09-19 04:51 <a href="http://www.cnitblog.com/dyajun/archive/2008/09/19/49223.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item></channel></rss>