交换机术语

GO—high

<div class="left_3" id="artcnt"><p>IEEE 802.3&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <a href="http://www.vlan9.com/network/d571/index.html" target="_blank"><font color="#6666cc">以太网</font></a>标准<br/>IEEE 802.3u&nbsp;&nbsp;&nbsp;&nbsp; <a href="http://www.vlan9.com/network/m2571/index.html" target="_blank"><font color="#6666cc">快速以太网</font></a>标准<br/>IEEE 802.3ab&nbsp;&nbsp;&nbsp;千兆以太网（非屏蔽<a href="http://www.vlan9.com/keywords/twisted-pair.html" target="_blank"><font color="#6666cc">双绞线</font></a>）标准<br/>IEEE 802.3z&nbsp;&nbsp;&nbsp;&nbsp; 千兆以太网（<a href="http://www.vlan9.com/network/m2464/index.html" target="_blank"><font color="#6666cc">光纤</font></a>、铜缆）标准<br/></p><div class="ad0"><script type="text/javascript"></script><script language="JavaScript" src="http://cpro.baidu.com/cpro/ui/cp.js" type="text/javascript"></script><div style="DISPLAY: none;">baidu</div><iframe marginwidth="0" marginheight="0" src="http://cpro.baidu.com/cpro/ui/uijs.php?tn=text_default_336_280&amp;n=jkday2000cpr&amp;rsi1=280&amp;rsi0=336&amp;rad=&amp;rss0=%23trans&amp;rss1=%23trans&amp;rss2=%234782DB&amp;rss3=%23444444&amp;rss4=%23000000&amp;rss5=%23f9fcfe&amp;rsi5=4&amp;ts=1&amp;at=15&amp;cn=2&amp;word=http%3A%2F%2Fwww.vlan9.com%2Fcisco-products%2Fh005002309.html&amp;refer=http%3A%2F%2Fwww.vlan9.com%2F&amp;fv=9&amp;if=0&amp;ev=0" frameborder="0" width="336" scrolling="no" height="280" allowtransparency="allowtransparency"></iframe></div>IEEE 802.3x&nbsp;&nbsp;&nbsp;&nbsp; 流量控制标准<br/>IEEE 802.1X&nbsp;&nbsp;&nbsp;&nbsp; 基于端口的<a href="http://www.vlan9.com/network/d263/index.html" target="_blank"><font color="#6666cc">访问控制</font></a>标准<br/>IEEE 802.1q&nbsp;&nbsp;&nbsp;&nbsp; <a href="http://www.vlan9.com/keywords/index.html" target="_blank"><font color="#6666cc">VLAN</font></a>标准<br/>IEEE 802.1p&nbsp;&nbsp;&nbsp;&nbsp; 流量优先权控制标准<br/>IEEE 802.1d&nbsp;&nbsp;&nbsp;&nbsp; 生成树协议 <p></p><p>IEEE 802.1D/STP <br/>&nbsp;&nbsp;&nbsp; IEEE 802.1D 生成树协议（Spanning Tree Protocol）检测到网络上存在环路时，自动断开环路连接。当<a href="http://www.vlan9.com/network/m2534/index.html" target="_blank"><font color="#6666cc">交换</font></a>机间存在多条连接时，将只启动最主要的一条连接，而将其他连接都阻塞掉，将这些连接变为备用连接。当主连接出现问题时，生成树协议将自动起用备用连接接替主连接的工作，不需要任何人工干预。 </p><p>IEEE 802.1X认证协议 <br/>&nbsp;&nbsp;&nbsp; 基于端口的访问控制协议（Port Base Network Access Control Protocol）。该协议体系结构分为三部分：客户端、认证<a href="http://www.vlan9.com/network/d1681/index.html" target="_blank"><font color="#6666cc">系统</font></a>、认证<a href="http://www.vlan9.com/network/d1147/index.html" target="_blank"><font color="#6666cc">服务器</font></a>。我司<a href="http://www.vlan9.com/network/d1566/index.html" target="_blank"><font color="#6666cc">网管</font></a>型<a href="http://www.vlan9.com/network/m2535/index.html" target="_blank"><font color="#6666cc">交换机</font></a>内置802.1x认证系统和RADIUS客户端，为用户提供先进的计费方案。 </p></div>