http://www.knowsky.com/article.asp?typeid=162 Cisco网络 rss zh-cn Copyright 2000-2011 www.knowsky.com knowsky/162http://feedburner.google.comhttp://www.knowsky.com/373402.htmlwww.knowsky.comCisco网络2008-01-06 <p><a href="http://feedads.g.doubleclick.net/~a/AmQ5ldbWCS4uMagl-WqDgCE31z0/0/da"><img src="http://feedads.g.doubleclick.net/~a/AmQ5ldbWCS4uMagl-WqDgCE31z0/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/AmQ5ldbWCS4uMagl-WqDgCE31z0/1/da"><img src="http://feedads.g.doubleclick.net/~a/AmQ5ldbWCS4uMagl-WqDgCE31z0/1/di" border="0" ismap="true"></img></a></p>　　就像PC都会有个默认网关来连接本地路由器——在互联网上同样也是如此——许多路由器和交换机也有默认的路由，以便访问不是本地的网络。默认路由是一种非凡类型的路由——同时也.....<a href='http://www.knowsky.com/373402.html'>点击浏览详细内容</a><br/><br/>-------------------------------------<br/>导航:<a href='http://www.knowsky.com/developer.asp' target='_blank'>编程</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/zhanzhang.asp' target='_blank'>站长</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/web.asp' target='_blank'>网页</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/photo.asp' target='_blank'>图形</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/system.asp' target='_blank'>系统</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/internet.asp' target='_blank'>冲浪</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/qq.asp' target='_blank'>QQ</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/soft.asp' target='_blank'>软件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/office.asp' target='_blank'>办公</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/shoujixueyuan.asp' target='_blank'>手机</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/mailserver.asp' target='_blank'>邮件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/networksecurity.asp' target='_blank'>安全</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/exam.asp' target='_blank'>认证</a>http://www.knowsky.com/373401.htmlwww.knowsky.comCisco网络2008-01-06 <p><a href="http://feedads.g.doubleclick.net/~a/JtYE5vq2fPiXzA6BqJ4JsiYr1OY/0/da"><img src="http://feedads.g.doubleclick.net/~a/JtYE5vq2fPiXzA6BqJ4JsiYr1OY/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/JtYE5vq2fPiXzA6BqJ4JsiYr1OY/1/da"><img src="http://feedads.g.doubleclick.net/~a/JtYE5vq2fPiXzA6BqJ4JsiYr1OY/1/di" border="0" ismap="true"></img></a></p>　　Cisco 路由器常用命令 　　1 Exec commands： 　　&lt;1-99&gt;； 恢复一个会话 　　bfe 手工应急模式设置 　　clear 复位功能.....<a href='http://www.knowsky.com/373401.html'>点击浏览详细内容</a><br/><br/>-------------------------------------<br/>导航:<a href='http://www.knowsky.com/developer.asp' target='_blank'>编程</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/zhanzhang.asp' target='_blank'>站长</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/web.asp' target='_blank'>网页</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/photo.asp' target='_blank'>图形</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/system.asp' target='_blank'>系统</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/internet.asp' target='_blank'>冲浪</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/qq.asp' target='_blank'>QQ</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/soft.asp' target='_blank'>软件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/office.asp' target='_blank'>办公</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/shoujixueyuan.asp' target='_blank'>手机</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/mailserver.asp' target='_blank'>邮件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/networksecurity.asp' target='_blank'>安全</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/exam.asp' target='_blank'>认证</a>http://www.knowsky.com/373400.htmlwww.knowsky.comCisco网络2008-01-06 <p><a href="http://feedads.g.doubleclick.net/~a/EITIr-YfXD9AkeG94KM36wfBLE0/0/da"><img src="http://feedads.g.doubleclick.net/~a/EITIr-YfXD9AkeG94KM36wfBLE0/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/EITIr-YfXD9AkeG94KM36wfBLE0/1/da"><img src="http://feedads.g.doubleclick.net/~a/EITIr-YfXD9AkeG94KM36wfBLE0/1/di" border="0" ismap="true"></img></a></p>　　近日，思科官方证实，VoIP网络电话有可能会被网络远程监听。 　　作为安全性的响应，思科公司称：“攻击者实现的方法是利用分机移动认证证书功能，通过配置为移动分机，按.....<a href='http://www.knowsky.com/373400.html'>点击浏览详细内容</a><br/><br/>-------------------------------------<br/>导航:<a href='http://www.knowsky.com/developer.asp' target='_blank'>编程</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/zhanzhang.asp' target='_blank'>站长</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/web.asp' target='_blank'>网页</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/photo.asp' target='_blank'>图形</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/system.asp' target='_blank'>系统</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/internet.asp' target='_blank'>冲浪</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/qq.asp' target='_blank'>QQ</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/soft.asp' target='_blank'>软件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/office.asp' target='_blank'>办公</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/shoujixueyuan.asp' target='_blank'>手机</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/mailserver.asp' target='_blank'>邮件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/networksecurity.asp' target='_blank'>安全</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/exam.asp' target='_blank'>认证</a>http://www.knowsky.com/373399.htmlwww.knowsky.comCisco网络2008-01-06 <p><a href="http://feedads.g.doubleclick.net/~a/hEwiYg6GZxeubGoI-Ui25p7Z37o/0/da"><img src="http://feedads.g.doubleclick.net/~a/hEwiYg6GZxeubGoI-Ui25p7Z37o/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/hEwiYg6GZxeubGoI-Ui25p7Z37o/1/da"><img src="http://feedads.g.doubleclick.net/~a/hEwiYg6GZxeubGoI-Ui25p7Z37o/1/di" border="0" ismap="true"></img></a></p>　　cisco路由器命令行端口使用一个分等级的结构，这个结构需要登录到不同的模式下来完成具体的配置任务。从安全的角度考虑，cisco IOS软件将EXEC会话分为用户（U.....<a href='http://www.knowsky.com/373399.html'>点击浏览详细内容</a><br/><br/>-------------------------------------<br/>导航:<a href='http://www.knowsky.com/developer.asp' target='_blank'>编程</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/zhanzhang.asp' target='_blank'>站长</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/web.asp' target='_blank'>网页</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/photo.asp' target='_blank'>图形</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/system.asp' target='_blank'>系统</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/internet.asp' target='_blank'>冲浪</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/qq.asp' target='_blank'>QQ</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/soft.asp' target='_blank'>软件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/office.asp' target='_blank'>办公</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/shoujixueyuan.asp' target='_blank'>手机</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/mailserver.asp' target='_blank'>邮件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/networksecurity.asp' target='_blank'>安全</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/exam.asp' target='_blank'>认证</a>http://www.knowsky.com/373398.htmlwww.knowsky.comCisco网络2008-01-06 <p><a href="http://feedads.g.doubleclick.net/~a/-7gBwF2bGMbSohqUjfcDcDZxkRw/0/da"><img src="http://feedads.g.doubleclick.net/~a/-7gBwF2bGMbSohqUjfcDcDZxkRw/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/-7gBwF2bGMbSohqUjfcDcDZxkRw/1/da"><img src="http://feedads.g.doubleclick.net/~a/-7gBwF2bGMbSohqUjfcDcDZxkRw/1/di" border="0" ismap="true"></img></a></p>我们先执行一下how run命令，假如配置信息中有关于SNMP的内容，我们可以修改，使之符合我们的要求，假如没有的话，就需要进行设置了。1.Cisco 2924和Cisc.....<a href='http://www.knowsky.com/373398.html'>点击浏览详细内容</a><br/><br/>-------------------------------------<br/>导航:<a href='http://www.knowsky.com/developer.asp' target='_blank'>编程</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/zhanzhang.asp' target='_blank'>站长</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/web.asp' target='_blank'>网页</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/photo.asp' target='_blank'>图形</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/system.asp' target='_blank'>系统</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/internet.asp' target='_blank'>冲浪</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/qq.asp' target='_blank'>QQ</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/soft.asp' target='_blank'>软件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/office.asp' target='_blank'>办公</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/shoujixueyuan.asp' target='_blank'>手机</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/mailserver.asp' target='_blank'>邮件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/networksecurity.asp' target='_blank'>安全</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/exam.asp' target='_blank'>认证</a>http://www.knowsky.com/373397.htmlwww.knowsky.comCisco网络2008-01-06 <p><a href="http://feedads.g.doubleclick.net/~a/rRdapytvCaU5SHMfBwWB3kCalos/0/da"><img src="http://feedads.g.doubleclick.net/~a/rRdapytvCaU5SHMfBwWB3kCalos/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/rRdapytvCaU5SHMfBwWB3kCalos/1/da"><img src="http://feedads.g.doubleclick.net/~a/rRdapytvCaU5SHMfBwWB3kCalos/1/di" border="0" ismap="true"></img></a></p>　　本文说明了接入路由器平台上的Cisco IOS软件镜像的升级步骤。2600与3600系列路由器的升级实例也适用于下文所列的路由器平台。Cisco IOS软件文件名可能.....<a href='http://www.knowsky.com/373397.html'>点击浏览详细内容</a><br/><br/>-------------------------------------<br/>导航:<a href='http://www.knowsky.com/developer.asp' target='_blank'>编程</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/zhanzhang.asp' target='_blank'>站长</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/web.asp' target='_blank'>网页</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/photo.asp' target='_blank'>图形</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/system.asp' target='_blank'>系统</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/internet.asp' target='_blank'>冲浪</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/qq.asp' target='_blank'>QQ</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/soft.asp' target='_blank'>软件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/office.asp' target='_blank'>办公</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/shoujixueyuan.asp' target='_blank'>手机</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/mailserver.asp' target='_blank'>邮件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/networksecurity.asp' target='_blank'>安全</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/exam.asp' target='_blank'>认证</a>http://www.knowsky.com/373396.htmlwww.knowsky.comCisco网络2008-01-06 <p><a href="http://feedads.g.doubleclick.net/~a/N9LDGdcSmDwLtNw3bd3K3QriB90/0/da"><img src="http://feedads.g.doubleclick.net/~a/N9LDGdcSmDwLtNw3bd3K3QriB90/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/N9LDGdcSmDwLtNw3bd3K3QriB90/1/da"><img src="http://feedads.g.doubleclick.net/~a/N9LDGdcSmDwLtNw3bd3K3QriB90/1/di" border="0" ismap="true"></img></a></p>3750堆叠不同于3550，是真正的堆叠，Catalyst 3750系列使用StackWise技术，它是一种创新性的堆叠架构，提供了一个32Gbps的堆叠互联，连接多达9.....<a href='http://www.knowsky.com/373396.html'>点击浏览详细内容</a><br/><br/>-------------------------------------<br/>导航:<a href='http://www.knowsky.com/developer.asp' target='_blank'>编程</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/zhanzhang.asp' target='_blank'>站长</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/web.asp' target='_blank'>网页</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/photo.asp' target='_blank'>图形</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/system.asp' target='_blank'>系统</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/internet.asp' target='_blank'>冲浪</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/qq.asp' target='_blank'>QQ</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/soft.asp' target='_blank'>软件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/office.asp' target='_blank'>办公</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/shoujixueyuan.asp' target='_blank'>手机</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/mailserver.asp' target='_blank'>邮件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/networksecurity.asp' target='_blank'>安全</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/exam.asp' target='_blank'>认证</a>http://www.knowsky.com/373395.htmlwww.knowsky.comCisco网络2008-01-06 <p><a href="http://feedads.g.doubleclick.net/~a/Yy_PmYwCTpqOObnoLOKNpGJhR_Y/0/da"><img src="http://feedads.g.doubleclick.net/~a/Yy_PmYwCTpqOObnoLOKNpGJhR_Y/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/Yy_PmYwCTpqOObnoLOKNpGJhR_Y/1/da"><img src="http://feedads.g.doubleclick.net/~a/Yy_PmYwCTpqOObnoLOKNpGJhR_Y/1/di" border="0" ismap="true"></img></a></p>　网络互连设备可以将网络划分为不同的冲突域、广播域。但是，由于不同的网络互连设备可能工作在OSI模型的不同层次上。因此，它们划分冲突域、广播域的效果也就各不相同。如中继器.....<a href='http://www.knowsky.com/373395.html'>点击浏览详细内容</a><br/><br/>-------------------------------------<br/>导航:<a href='http://www.knowsky.com/developer.asp' target='_blank'>编程</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/zhanzhang.asp' target='_blank'>站长</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/web.asp' target='_blank'>网页</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/photo.asp' target='_blank'>图形</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/system.asp' target='_blank'>系统</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/internet.asp' target='_blank'>冲浪</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/qq.asp' target='_blank'>QQ</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/soft.asp' target='_blank'>软件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/office.asp' target='_blank'>办公</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/shoujixueyuan.asp' target='_blank'>手机</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/mailserver.asp' target='_blank'>邮件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/networksecurity.asp' target='_blank'>安全</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/exam.asp' target='_blank'>认证</a>http://www.knowsky.com/373394.htmlwww.knowsky.comCisco网络2008-01-06 <p><a href="http://feedads.g.doubleclick.net/~a/sHL2LV5r4B6tsKXJsec1MTm1Dd8/0/da"><img src="http://feedads.g.doubleclick.net/~a/sHL2LV5r4B6tsKXJsec1MTm1Dd8/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/sHL2LV5r4B6tsKXJsec1MTm1Dd8/1/da"><img src="http://feedads.g.doubleclick.net/~a/sHL2LV5r4B6tsKXJsec1MTm1Dd8/1/di" border="0" ismap="true"></img></a></p>19.1.&nbsp; 基于源或者目的地址过滤 提问 阻止来自某地址或者发送至某地址的数据包 回答 使用标准控制列表来阻止特定源地址的数据包 Router1#co.....<a href='http://www.knowsky.com/373394.html'>点击浏览详细内容</a><br/><br/>-------------------------------------<br/>导航:<a href='http://www.knowsky.com/developer.asp' target='_blank'>编程</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/zhanzhang.asp' target='_blank'>站长</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/web.asp' target='_blank'>网页</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/photo.asp' target='_blank'>图形</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/system.asp' target='_blank'>系统</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/internet.asp' target='_blank'>冲浪</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/qq.asp' target='_blank'>QQ</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/soft.asp' target='_blank'>软件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/office.asp' target='_blank'>办公</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/shoujixueyuan.asp' target='_blank'>手机</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/mailserver.asp' target='_blank'>邮件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/networksecurity.asp' target='_blank'>安全</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/exam.asp' target='_blank'>认证</a>http://www.knowsky.com/373393.htmlwww.knowsky.comCisco网络2008-01-06 <p><a href="http://feedads.g.doubleclick.net/~a/fQGiWDbuPRlww71CQo2RX6LncNs/0/da"><img src="http://feedads.g.doubleclick.net/~a/fQGiWDbuPRlww71CQo2RX6LncNs/0/di" border="0" ismap="true"></img></a><br/> <a href="http://feedads.g.doubleclick.net/~a/fQGiWDbuPRlww71CQo2RX6LncNs/1/da"><img src="http://feedads.g.doubleclick.net/~a/fQGiWDbuPRlww71CQo2RX6LncNs/1/di" border="0" ismap="true"></img></a></p>Cables and Connectors This chapter describes the I/O interfaces, the data cables, an.....<a href='http://www.knowsky.com/373393.html'>点击浏览详细内容</a><br/><br/>-------------------------------------<br/>导航:<a href='http://www.knowsky.com/developer.asp' target='_blank'>编程</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/zhanzhang.asp' target='_blank'>站长</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/web.asp' target='_blank'>网页</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/photo.asp' target='_blank'>图形</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/system.asp' target='_blank'>系统</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/internet.asp' target='_blank'>冲浪</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/qq.asp' target='_blank'>QQ</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/soft.asp' target='_blank'>软件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/office.asp' target='_blank'>办公</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/shoujixueyuan.asp' target='_blank'>手机</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/mailserver.asp' target='_blank'>邮件</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/networksecurity.asp' target='_blank'>安全</a>&nbsp;&nbsp;<a href='http://www.knowsky.com/exam.asp' target='_blank'>认证</a>