﻿<?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-两极人生，八度空间-随笔分类-Network simulators</title><link>http://www.cnitblog.com/wildon/category/4974.html</link><description>Fight for my CISSP and PMP</description><language>zh-cn</language><lastBuildDate>Sat, 08 Oct 2011 00:14:57 GMT</lastBuildDate><pubDate>Sat, 08 Oct 2011 00:14:57 GMT</pubDate><ttl>60</ttl><item><title>Dynamips支持的模块说明</title><link>http://www.cnitblog.com/wildon/archive/2011/10/02/75749.html</link><dc:creator>Jerome</dc:creator><author>Jerome</author><pubDate>Sun, 02 Oct 2011 11:50:00 GMT</pubDate><guid>http://www.cnitblog.com/wildon/archive/2011/10/02/75749.html</guid><wfw:comment>http://www.cnitblog.com/wildon/comments/75749.html</wfw:comment><comments>http://www.cnitblog.com/wildon/archive/2011/10/02/75749.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnitblog.com/wildon/comments/commentRss/75749.html</wfw:commentRss><trackback:ping>http://www.cnitblog.com/wildon/services/trackbacks/75749.html</trackback:ping><description><![CDATA[<p>&nbsp;&nbsp; &nbsp; &nbsp;<span style="font-family: 'Comic Sans MS'; font-size: 10pt; ">今天在做SSH的实验，找了个支持SSH的C2600的IOS，用在net文件中，发现它不支持某些模块，于是急忙查找C2600到底支持那些模块。现将2600及其它系列的IOS支持的模块搜集如下：</span><br />
<br />
<span style="font-family: 'Comic Sans MS'; font-size: 10pt; ">在模拟交换时候为了保证实验能成功.IOS版本在12.4</span></p>
<p><span style="font-family: 'Comic Sans MS'; font-size: 10pt; ">1. C7200</span><br />
<span style="font-family: 'Comic Sans MS'; font-size: 10pt; ">Slot 0:</span><br />
<span style="font-family: 'Comic Sans MS'; font-size: 10pt; ">  C7200-IO-FE   &lt;------&gt;
支持1个Fastethernet接口</span><br />
<span style="font-family: 'Comic Sans MS'; font-size: 10pt; ">  C7200-IO-2FE  &lt;------&gt; 支持2个 Fastethernet接口
(DynamipsGUI 2.3 里面没有这个选项,想用只有自己添加了)</span><br />
<span style="font-family: 'Comic Sans MS'; font-size: 10pt; ">  C7200-IO-GE-E &lt;------&gt;
插这个卡以后会同时出现2个端口,Ethernet0/0和GigabitEthernet0/0
(反正我没有用到过这个卡)</span><br />
<span style="font-family: 'Comic Sans MS'; font-size: 10pt; ">注意:这三个卡只允许插在Slot0口,如果插入后面的slot口是无效的.</span></p>
<p><span style="font-family: 'Comic Sans MS'; font-size: 10pt; ">Slot 1-5:</span><br />
<span style="font-family: 'Comic Sans MS'; font-size: 10pt; ">  PA-2FE-TX &lt;------&gt; 支持2个Fastethernet接口</span><br />
<span style="font-family: 'Comic Sans MS'; font-size: 10pt; ">  PA-FE-TX
&lt;------&gt; 支持1个Fastethernet接口</span><br />
<span style="font-family: 'Comic Sans MS'; font-size: 10pt; ">  PA-4E     &lt;------&gt;
支持4个Ethernet接口</span><br />
<span style="font-family: 'Comic Sans MS'; font-size: 10pt; ">  PA-4T+    &lt;------&gt; 支持4个serial接口</span><br />
<span style="font-family: 'Comic Sans MS'; font-size: 10pt; ">  PA-8E
&lt;------&gt; 支持8个Ethernet接口</span><br />
<span style="font-family: 'Comic Sans MS'; font-size: 10pt; ">  PA-8T     &lt;------&gt; 支持8个serial接口</span><br />
<span style="font-family: 'Comic Sans MS'; font-size: 10pt; ">
PA-A1     &lt;------&gt; 支持1个ATM port adapter接口</span><br />
<span style="font-family: 'Comic Sans MS'; font-size: 10pt; ">  PA-GE     &lt;------&gt;
支持1个GigabitEthernet接口</span><br />
<span style="font-family: 'Comic Sans MS'; font-size: 10pt; ">  PA-POS-OC3&lt;------&gt; 支持1个Packet Over
SONET/SDH接口(用于更高速度的接口)</span></p>
<p><span style="font-family: 'Comic Sans MS'; font-size: 10pt; ">2. C3600(3620/3640/3660)</span><br />
<span style="font-family: 'Comic Sans MS'; font-size: 10pt; ">  NM-16ESW &lt;------&gt;
支持16个Fastethernet接口(交换模块,在使用此模块做交换实验时候,请使用no ip routing 关闭端口路由)  </span><br />
<span style="font-family: 'Comic Sans MS'; font-size: 10pt; ">  NM-1E
&lt;------&gt; 支持1个Ethernet接口 </span><br />
<span style="font-family: 'Comic Sans MS'; font-size: 10pt; ">  NM-1FE-TX&lt;------&gt; 支持1个Fastethernet接口
</span><br />
<span style="font-family: 'Comic Sans MS'; font-size: 10pt; ">  NM-4E    &lt;------&gt; 支持4个Ethernet接口 </span><br />
<span style="font-family: 'Comic Sans MS'; font-size: 10pt; ">  NM-4T    &lt;------&gt;
支持4个serial接口 </span><br />
<span style="font-family: 'Comic Sans MS'; font-size: 10pt; ">  Leopard-2FE&lt;------&gt;支持2个Fastethernet接口(3660专用,并且只能在slot
0
下使用)</span><br />
<span style="font-family: 'Comic Sans MS'; font-size: 10pt; ">注意:3620只能使用2个slot,3640可以使用4个slot,除Leopard-2FE模块做了限制,其他模块没有做限制插具体哪个slot.
(DynamipsGUI里对slot已经做了限制,最近DynamipSeeV2.0已经发布了,但是里面不支持3660)</span></p>
<p><span style="font-family: 'Comic Sans MS'; font-size: 10pt; ">3. c3725/c3745/c2691</span><br />
<span style="font-family: 'Comic Sans MS'; font-size: 10pt; ">  GT96100-FE &lt;------&gt;支持2个Fastethernet接口(只限制在slot
0)</span><br />
<span style="font-family: 'Comic Sans MS'; font-size: 10pt; ">  NM-16ESW   &lt;------&gt;支持16个Fastethernet接口(不做重复说明)</span><br />
<span style="font-family: 'Comic Sans MS'; font-size: 10pt; ">  NM-1FE-TX
&lt;------&gt;支持1个Fastethernet接口</span><br />
<span style="font-family: 'Comic Sans MS'; font-size: 10pt; ">  NM-4T      &lt;------&gt;支持4个serial接口</span></p>
<p><span style="font-family: 'Comic Sans MS'; font-size: 10pt; ">4. c2600(2610/2611/2620/2621/2610XM/2620XM/2650XM)</span><br />
<span style="font-family: 'Comic Sans MS'; font-size: 10pt; ">  NM-16ESW &lt;------&gt;
支持16个Fastethernet接口</span><br />
<span style="font-family: 'Comic Sans MS'; font-size: 10pt; ">  NM-1E    &lt;------&gt; 支持1个Ethernet接口</span><br />
<span style="font-family: 'Comic Sans MS'; font-size: 10pt; ">
NM-1FE-TX&lt;------&gt; 支持1个Fastethernet接口</span><br />
<span style="font-family: 'Comic Sans MS'; font-size: 10pt; ">  NM-4E    &lt;------&gt;
支持4个Ethernet接口</span><br />
<span style="font-family: 'Comic Sans MS'; font-size: 10pt; ">  CISCO2600-MB-2E&lt;------&gt;支持2个Ethernet接口</span><br />
<span style="font-family: 'Comic Sans MS'; font-size: 10pt; ">
CISCO2600-MB-2FE&lt;------&gt;支持2个Fastethernet接口</span><br />
<span style="font-family: 'Comic Sans MS'; font-size: 10pt; ">注&gt;DynamipsGUI里的模块CISCO2600-MB-2E,CISCO2600-MB-2FE,并且只有2620类型可选</span><br />
<span style="font-family: 'Comic Sans MS'; font-size: 10pt; ">Dynamipsee里有2610/2611/2620/2621/2610XM/2620XM/2650XM类型选择.但没有2610/2611/2620/2621/2610XM/2620XM/2650XM</span><br />
<span style="font-family: 'Comic Sans MS'; font-size: 10pt; ">
建议找个小的IOS把2600模拟</span>成主机用&nbsp;</p><img src ="http://www.cnitblog.com/wildon/aggbug/75749.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.cnitblog.com/wildon/" target="_blank">Jerome</a> 2011-10-02 19:50 <a href="http://www.cnitblog.com/wildon/archive/2011/10/02/75749.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>Dynamips模拟的交换机不能创建VLAN问题</title><link>http://www.cnitblog.com/wildon/archive/2011/10/02/75746.html</link><dc:creator>Jerome</dc:creator><author>Jerome</author><pubDate>Sun, 02 Oct 2011 08:03:00 GMT</pubDate><guid>http://www.cnitblog.com/wildon/archive/2011/10/02/75746.html</guid><wfw:comment>http://www.cnitblog.com/wildon/comments/75746.html</wfw:comment><comments>http://www.cnitblog.com/wildon/archive/2011/10/02/75746.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnitblog.com/wildon/comments/commentRss/75746.html</wfw:commentRss><trackback:ping>http://www.cnitblog.com/wildon/services/trackbacks/75746.html</trackback:ping><description><![CDATA[<div><p>今天在做一个综合实验，借助dynamips用Cisco IOS 3640加一个交换模块模拟交换机，需要创建多个VLAN，当用exit退出应用时，发现报错，不能创建VLAN。</p> <p><span style="font-size:12px;"><span style="font-family:comic sans ms,cursive;">SW1（vlan)#exit</span></span></p> <p><span style="font-size:12px;"><span style="font-family:comic sans ms,cursive;">% not enough space on flash to store vlan database. Trying squeeze&#8230; First create squeeze log by erasing the entire device</span></span></p> <p><span style="font-size:12px;"><span style="font-family:comic sans ms,cursive;">%error squeezing flash</span></span></p> <p><span style="font-size:12px;"><span style="font-family:comic sans ms,cursive;">%error squeezing flash &#8211; (Missing or corrupted log)</span></span></p> <p><span style="font-size:12px;"><span style="font-family:comic sans ms,cursive;">Error on database appy 40: NV storage failure.</span></span></p> <p><span style="font-size:12px;"><span style="font-family:comic sans ms,cursive;">Use '<strong>abort</strong>' command to exit</span></span></p> <p><span style="font-size:12px;"><span style="font-family:comic sans ms,cursive;">以 前也遇到过这种情况，都是把生成的工作文件全部删除，重新来过。这毕竟不是个长久的办法，比较当配置项很多，要重新来过，太费精力。那么有没有一种方法可 以不丢失配置文件又可以解决这个问题呢。用baidu搜了下。发现，已经有人给出解决方法了。欣喜一下 。哈哈。也记录一下。具体方法如下：</span></span></p> <p><span style="font-size:12px;"><span style="font-family:comic sans ms,cursive;">SW1（vlan)# abort</span></span></p> <p><span style="font-size:12px;"><span style="font-family:comic sans ms,cursive;">SW1#erase flash</span></span></p> <p><span style="font-size:12px;"><span style="font-family:comic sans ms,cursive;">Erasing the flash file system will remove all files ! continue? [confirm]</span></span></p> <p><span style="font-size:12px;"><span style="font-family:comic sans ms,cursive;">Erasing device&#8230;<span style="color: #8b8989; line-height: 24px; ">eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee&nbsp;&#8230;erased</span></span></span></p> <p><span style="font-size:12px;"><span style="font-family:comic sans ms,cursive;">擦除flash后，再进入VLAN database配置VLAN即可。</span></span></p></div><img src ="http://www.cnitblog.com/wildon/aggbug/75746.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.cnitblog.com/wildon/" target="_blank">Jerome</a> 2011-10-02 16:03 <a href="http://www.cnitblog.com/wildon/archive/2011/10/02/75746.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>pemu下Cisco ASDM的安装 </title><link>http://www.cnitblog.com/wildon/archive/2008/12/27/53123.html</link><dc:creator>Jerome</dc:creator><author>Jerome</author><pubDate>Sat, 27 Dec 2008 11:19:00 GMT</pubDate><guid>http://www.cnitblog.com/wildon/archive/2008/12/27/53123.html</guid><wfw:comment>http://www.cnitblog.com/wildon/comments/53123.html</wfw:comment><comments>http://www.cnitblog.com/wildon/archive/2008/12/27/53123.html#Feedback</comments><slash:comments>3</slash:comments><wfw:commentRss>http://www.cnitblog.com/wildon/comments/commentRss/53123.html</wfw:commentRss><trackback:ping>http://www.cnitblog.com/wildon/services/trackbacks/53123.html</trackback:ping><description><![CDATA[<p>前面我已经说过在PIX实验中如何将其e0口桥接到TAP0。那么在这里我还用那张拓扑来说明如何安装ASDM。</p>
<p style="CLEAR: both; TEXT-ALIGN: center"><a style="MARGIN-LEFT: 1em; MARGIN-RIGHT: 1em" href="http://groups.google.com/group/nvtc-cn/web/secemu.JPG" rel=nofollow><img src="http://groups.google.com/group/nvtc-cn/web/secemu.JPG?display=thumb&amp;width=420&amp;height=420" border=0></a></p>
<p style="CLEAR: both; TEXT-ALIGN: left">如果所示，我的本机桥接到了E0,是通过TAP0来实现的。这里关于你实验的PEMU从哪里来。PEMU里使用PIX IOS是否包含ASDM，请参考相关的资讯。这里探讨如何安装。</p>
<p style="CLEAR: both; TEXT-ALIGN: left">当你做好了桥接到拓扑文件。如下：</p>
<p style="CLEAR: both; TEXT-ALIGN: left">d:<br>cd\pemu<br>pemu.exe -net nic,macaddr=00:aa:00:00:02:01 -net tap,ifname=tap0 -net nic,macaddr=00:aa:00:00:02:02 -net tap,ifname=tap1 -net nic,macaddr=00:aa:00:00:02:03 -net tap,ifname=tap2&nbsp; -net nic,macaddr=00:aa:00:00:02:04 -net tap,ifname=tap3 -serial <a href="telnet::4001,server,nowait" rel=nofollow><u><font color=#0000ff>telnet::4001,server,nowait</font></u></a></p>
<p style="CLEAR: both; TEXT-ALIGN: left">将这段拷贝到记事本，另存为PIX.bat,放在你的PEMU目录下，点击启动PIX。</p>
<p style="CLEAR: both; TEXT-ALIGN: left">在运行里，输入putty -telnet localhost 4001进行登录PIX</p>
<p style="CLEAR: both; TEXT-ALIGN: center"><a style="MARGIN-LEFT: 1em; MARGIN-RIGHT: 1em" href="http://groups.google.com/group/nvtc-cn/web/pixstart.jpg" rel=nofollow><img src="http://groups.google.com/group/nvtc-cn/web/pixstart.jpg?display=thumb&amp;width=420&amp;height=420" border=0></a></p>
<p style="CLEAR: both; TEXT-ALIGN: left">进入PIX配置界面，我们需要配置一些东西，这样，我们才能通过web安装ASDM。具体需要做哪些配置，请往下看。</p>
<p style="CLEAR: both; TEXT-ALIGN: left">pix#conf&nbsp; t</p>
<p style="CLEAR: both; TEXT-ALIGN: left">pix(config)#http server enalbe</p>
<p style="CLEAR: both; TEXT-ALIGN: left">pix(config)#http 192.168.0.1 255.255.255.255 Management</p>
<p style="CLEAR: both; TEXT-ALIGN: left">pix(config)#username admin password cisco</p>
<p style="CLEAR: both; TEXT-ALIGN: left">pix(config)#interface e0</p>
<p style="CLEAR: both; TEXT-ALIGN: left">pix(config-if)#ifname Management</p>
<p style="CLEAR: both; TEXT-ALIGN: left">pix(config-if)#security-level 0</p>
<p style="CLEAR: both; TEXT-ALIGN: left">pix(config-if)#ip add 192.168.0.254 255.255.255.0</p>
<p style="CLEAR: both; TEXT-ALIGN: left">pix(config-if)#no shut</p>
<p style="CLEAR: both; TEXT-ALIGN: left">pix(config-if)#end</p>
<p style="CLEAR: both; TEXT-ALIGN: left">pix#wr</p>
<p style="CLEAR: both; TEXT-ALIGN: left">完成这些配置后，请到你的Network Connections中，给tap0网卡设定一个IP地址-192.168.0.1，并将其网关指定为192.168.0.254</p>
<p style="CLEAR: both; TEXT-ALIGN: left">然后在浏览器中输入<a href="https://192.168.0.254/" rel=nofollow><u><font color=#810081>https://192.168.0.254</font></u></a>&nbsp;切接在浏览器中不要开启自动检测代理。</p>
<p style="CLEAR: both; TEXT-ALIGN: center"><img src="http://groups.google.com/group/nvtc-cn/web/login.jpg"><a style="MARGIN-LEFT: 1em; MARGIN-RIGHT: 1em" href="http://groups.google.com/group/nvtc-cn/web/login.jpg" rel=nofollow></a></p>
<p style="CLEAR: both; TEXT-ALIGN: left">&nbsp;</p>
<p style="CLEAR: both; TEXT-ALIGN: left">输入你在PIX里配置的HTTP登录的用户名和密码后，你会进入到安装ASDM的界面，如图：</p>
<p style="CLEAR: both; TEXT-ALIGN: center"><a style="MARGIN-LEFT: 1em; MARGIN-RIGHT: 1em" href="http://groups.google.com/group/nvtc-cn/web/asdm%20install.jpg" rel=nofollow><img src="http://groups.google.com/group/nvtc-cn/web/asdm%20install.jpg?display=thumb&amp;width=420&amp;height=420" border=0></a></p>
<p style="CLEAR: both; TEXT-ALIGN: center">点击"Install ASDM Laucher and Run ASDM"进行安装ASDM.</p>
<p style="CLEAR: both; TEXT-ALIGN: left">这里需要注意的是，在安装ASDM时，你的PC机需要安装JAVA。所以请下载JRE-1.6进行安装。经过一段时间的等待，ASDM安装完成后，我们通过ASDM进入PIX的图形化配置界面。</p>
<p style="CLEAR: both; TEXT-ALIGN: center"><a style="MARGIN-LEFT: 1em; MARGIN-RIGHT: 1em" href="http://groups.google.com/group/nvtc-cn/web/ASDM%20LOGIN.jpg" rel=nofollow><img src="http://groups.google.com/group/nvtc-cn/web/ASDM%20LOGIN.jpg?display=thumb&amp;width=420&amp;height=420" border=0></a></p>
<p style="CLEAR: both; TEXT-ALIGN: center">在输入正确的username和password后，即可login PIX GUI</p>
<p style="CLEAR: both; TEXT-ALIGN: center"><a style="MARGIN-LEFT: 1em; MARGIN-RIGHT: 1em" href="http://groups.google.com/group/nvtc-cn/web/pix%20GUI.jpg" rel=nofollow><img src="http://groups.google.com/group/nvtc-cn/web/pix%20GUI.jpg?display=thumb&amp;width=420&amp;height=420" border=0></a></p>
<p style="CLEAR: both; TEXT-ALIGN: center">至此，Pemu下安装Cisco ASDM成功完成。</p>
<p style="CLEAR: both; TEXT-ALIGN: center">&nbsp;</p>
<p style="CLEAR: both; TEXT-ALIGN: left">&nbsp;</p>
<span class=secttl></span>
<img src ="http://www.cnitblog.com/wildon/aggbug/53123.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.cnitblog.com/wildon/" target="_blank">Jerome</a> 2008-12-27 19:19 <a href="http://www.cnitblog.com/wildon/archive/2008/12/27/53123.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>PIX实验中如何将PIX的接口桥接到相应的TAP网卡</title><link>http://www.cnitblog.com/wildon/archive/2008/12/27/53112.html</link><dc:creator>Jerome</dc:creator><author>Jerome</author><pubDate>Sat, 27 Dec 2008 06:04:00 GMT</pubDate><guid>http://www.cnitblog.com/wildon/archive/2008/12/27/53112.html</guid><wfw:comment>http://www.cnitblog.com/wildon/comments/53112.html</wfw:comment><comments>http://www.cnitblog.com/wildon/archive/2008/12/27/53112.html#Feedback</comments><slash:comments>1</slash:comments><wfw:commentRss>http://www.cnitblog.com/wildon/comments/commentRss/53112.html</wfw:commentRss><trackback:ping>http://www.cnitblog.com/wildon/services/trackbacks/53112.html</trackback:ping><description><![CDATA[<p style="TEXT-ALIGN: left">首先，需要下载好openvpn-2.0.9-install.exe和将putty拷贝到c:\windows\system32下面。在安装openvpn后会在开始菜单的程序下面的OPENVPN目录下有"add a new TAP virtual&nbsp;ethernet adapter"和&#8220;delete all TAP virtual ethernet adapter&#8221;选项，每次点击&#8220;add a new TAP virtual ethernet adapter&#8221;，就会生成一块tap网卡。在pix实验中我们需要四个口，一个管理口，一个inside口，一个dmz口，一个Outside口。</p>
<p>模拟PIX使用的pemu，下载好pemu后，编辑里面的pix.bat这个批处理文件，这个文件是模拟pix的拓扑文件。根据要模拟的接口，我们一起看看这个批处理文件如何写。</p>
<p>d:<br>cd\pemu<br>pemu.exe -net nic,macaddr=00:aa:00:00:02:01 -net tap,ifname=tap0 -net nic,macaddr=00:aa:00:00:02:02 -net tap,ifname=tap1 -net nic,macaddr=00:aa:00:00:02:03 -net tap,ifname=tap2&nbsp; -net nic,macaddr=00:aa:00:00:02:04 -net tap,ifname=tap3 -serial <a href="telnet::4001,server,nowait" rel=nofollow><u><font color=#0000ff>telnet::4001,server,nowait</font></u></a></p>
<p>&nbsp;</p>
<p>d:表明，你的pemu是放在本机的d盘，这个你可以随你改。在这个文件中，分别有ifname=tap0,tap1,tap2,tap3，那么我们对应的用openvpn去生成tap0,tap1,tap2,tap3这四块虚拟网卡。</p>
<p style="CLEAR: both; TEXT-ALIGN: center"><a style="MARGIN-LEFT: 1em; MARGIN-RIGHT: 1em" href="http://groups.google.com/group/nvtc-cn/web/virtual%20adapter.jpg" rel=nofollow><img src="http://groups.google.com/group/nvtc-cn/web/virtual%20adapter.jpg?display=thumb&amp;width=420&amp;height=420" border=0></a></p>
<p style="CLEAR: both; TEXT-ALIGN: left">那么如何将PIX的e0口桥接到我们的本机的物理网卡上，将tap1桥接到PIX的inside口即E1口，将tap2桥接到PIX的outside即E2口，将tap3桥接到PIX的dmz即E3口，E3跟DMZ中的虚拟的server连接。</p>
<p style="CLEAR: both; TEXT-ALIGN: left">这里我们采用两个16口的ethernet switch模块。分别接在tap1和tap2上。</p>
<p style="CLEAR: both; TEXT-ALIGN: left">获取tap1,tap2的网卡参数，等下要用，分别如：tap1--- \Device\NPF_{F0E1E387-1E93-43E5-8CB0-CCC4E74B01DA}</p>
<p style="CLEAR: both; TEXT-ALIGN: left">tap2---\Device\NPF_{BC348114-5216-449F-B732-FDB02E159AF8</p>
<p style="CLEAR: both; TEXT-ALIGN: left"><br>&nbsp;&nbsp; [[ethsw ethsw1]]<br>&nbsp;&nbsp;&nbsp; 1 = dot1q 2<br>&nbsp;&nbsp;&nbsp; 9 = access 2 NIO_gen_eth:\Device\NPF_{F0E1E387-1E93-43E5-8CB0-CCC4E74B01DA}&nbsp; tap1的网卡参数<br>&nbsp;&nbsp; 10 = access 2 NIO_gen_eth:\Device\NPF_{BC348114-5216-449F-B732-FDB02E159AF8}&nbsp;&nbsp;&nbsp; tap2的网卡参数<br>&nbsp;&nbsp; [[ethsw ethsw2]]<br>&nbsp;&nbsp;&nbsp; 1 = dot1q 3<br>&nbsp;&nbsp;&nbsp; 9 = access 3 NIO_gen_eth:\Device\NPF_{5E9BC9EB-EEA6-4CBC-B2DC-3E66742B9314} 本机物理网卡参数</p>
<p style="CLEAR: both; TEXT-ALIGN: left">面对下面的一个拓扑，我们将怎样写net文件呢？</p>
<p style="CLEAR: both; TEXT-ALIGN: center"><br><a style="MARGIN-LEFT: 1em; MARGIN-RIGHT: 1em" href="http://groups.google.com/group/nvtc-cn/web/secemu.JPG" rel=nofollow><img src="http://groups.google.com/group/nvtc-cn/web/secemu.JPG?display=thumb&amp;width=420&amp;height=420" border=0></a></p>
<p style="CLEAR: both; TEXT-ALIGN: left">net文件如下：</p>
<p style="CLEAR: both; TEXT-ALIGN: left">autostart = false</p>
<p style="CLEAR: both; TEXT-ALIGN: left">[visual-server]<br>port = 7200<br>udp = 10000<br>workingdir = D:\Netemu Labs\secemu\Dynamips\temp</p>
<p style="CLEAR: both; TEXT-ALIGN: left">&nbsp;&nbsp;&nbsp; {3640}<br>&nbsp;&nbsp;&nbsp; image = D:\Netemu Labs\IOS\c3640-js-mz.124-10.bin<br>&nbsp;&nbsp;&nbsp; ram = 128<br>&nbsp;&nbsp;&nbsp; confreg = 0x2102<br>&nbsp;&nbsp;&nbsp; idlepc =&nbsp; 0x60593c70<br>&nbsp;&nbsp;&nbsp; exec_area = 64<br>&nbsp;&nbsp;&nbsp; mmap = false</p>
<p style="CLEAR: both; TEXT-ALIGN: left">&nbsp;&nbsp;&nbsp; {3620}<br>&nbsp;&nbsp;&nbsp; image = D:\Netemu Labs\IOS\c3620-i-mz.122-37.bin<br>&nbsp;&nbsp;&nbsp; ram = 32<br>&nbsp;&nbsp;&nbsp; confreg = 0x2102<br>&nbsp;&nbsp;&nbsp; idlepc =&nbsp; 0x60452190<br>&nbsp;&nbsp;&nbsp; exec_area = 32<br>&nbsp;&nbsp;&nbsp; mmap = false</p>
<p style="CLEAR: both; TEXT-ALIGN: left">&nbsp;&nbsp;&nbsp; [[router SW]]&nbsp;&nbsp;&nbsp; <br>&nbsp;&nbsp;&nbsp; model = 3640<br>&nbsp;&nbsp;&nbsp; console = 3001&nbsp; <br>&nbsp;&nbsp;&nbsp; slot0 = NM-4T<br>&nbsp;&nbsp;&nbsp; slot1 = NM-16ESW<br>&nbsp;&nbsp;&nbsp; F1/0 = ethsw1 1<br>&nbsp;&nbsp;&nbsp; f1/1 = PCGL f0/0<br>&nbsp;&nbsp;&nbsp; f1/2 = PCCW f0/0<br>&nbsp;&nbsp;&nbsp; f1/3 = PCQT f0/0<br>&nbsp;&nbsp;&nbsp; f1/4 = ethsw1 2<br>&nbsp;&nbsp;&nbsp; [[router RT]]&nbsp;&nbsp;&nbsp; <br>&nbsp;&nbsp;&nbsp; model = 3620<br>&nbsp;&nbsp;&nbsp; console = 3002&nbsp;&nbsp; <br>&nbsp;&nbsp;&nbsp; slot0 = NM-1FE-TX<br>&nbsp;&nbsp;&nbsp; f0/0 = ethsw2 1</p>
<p style="CLEAR: both; TEXT-ALIGN: left">&nbsp;&nbsp;&nbsp; [[router PCGL]]&nbsp;&nbsp;&nbsp; <br>&nbsp;&nbsp;&nbsp; model = 3620<br>&nbsp;&nbsp;&nbsp; console = 3003&nbsp;&nbsp;&nbsp; <br>&nbsp;&nbsp;&nbsp; slot0 = NM-1FE-TX</p>
<p style="CLEAR: both; TEXT-ALIGN: left">&nbsp;&nbsp;&nbsp; [[router PCCW]]&nbsp;&nbsp;&nbsp; <br>&nbsp;&nbsp;&nbsp; model = 3620<br>&nbsp;&nbsp;&nbsp; console = 3004&nbsp;&nbsp; <br>&nbsp;&nbsp;&nbsp; slot0 = NM-1FE-TX</p>
<p style="CLEAR: both; TEXT-ALIGN: left">&nbsp;&nbsp;&nbsp; [[router PCQT]]&nbsp;&nbsp;&nbsp; <br>&nbsp;&nbsp;&nbsp; model = 3620<br>&nbsp;&nbsp;&nbsp; console = 3005&nbsp;&nbsp;&nbsp; <br>&nbsp;&nbsp;&nbsp; slot0 = NM-1FE-TX<br>&nbsp; </p>
<p style="CLEAR: both; TEXT-ALIGN: left">&nbsp;&nbsp; [[ethsw ethsw1]]<br>&nbsp;&nbsp;&nbsp; 1 = dot1q 2<br>&nbsp;&nbsp;&nbsp; 9 = access 2 NIO_gen_eth:\Device\NPF_{F0E1E387-1E93-43E5-8CB0-CCC4E74B01DA}<br>&nbsp;&nbsp; 10 = access 2 NIO_gen_eth:\Device\NPF_{BC348114-5216-449F-B732-FDB02E159AF8}<br>&nbsp;&nbsp; [[ethsw ethsw2]]<br>&nbsp;&nbsp;&nbsp; 1 = dot1q 3<br>&nbsp;&nbsp;&nbsp; 9 = access 3 NIO_gen_eth:\Device\NPF_{5E9BC9EB-EEA6-4CBC-B2DC-3E66742B9314}</p>
<p style="CLEAR: both; TEXT-ALIGN: left">&nbsp;</p>
<p style="CLEAR: both; TEXT-ALIGN: left">DMZ里的server我是用VMware虚拟的。server桥接到dmz，在VM的网卡参数设置中选择如下所示：</p>
<p style="CLEAR: both; TEXT-ALIGN: center"><a style="MARGIN-LEFT: 1em; MARGIN-RIGHT: 1em" href="http://groups.google.com/group/nvtc-cn/web/adapter%20setting.jpg" rel=nofollow><img src="http://groups.google.com/group/nvtc-cn/web/adapter%20setting.jpg?display=thumb&amp;width=420&amp;height=420" border=0></a></p>
<p style="CLEAR: both; TEXT-ALIGN: left">在Host Virtual Networking Mapping tab中，为VMnet0选择网卡如图中的tap3。那么你的VM虚拟的这台SERVER就桥接到PIX的DMZ上了。桥接到具体情况，请看我给出的示意图如下：</p>
<p style="CLEAR: both; TEXT-ALIGN: center"></p>
<p style="CLEAR: both; TEXT-ALIGN: center"><img height=547 alt="" src="http://www.cnitblog.com/images/cnitblog_com/wildon/ca.jpg" width=719 border=0><a style="MARGIN-LEFT: 1em; MARGIN-RIGHT: 1em" href="http://groups.google.com/group/nvtc-cn/web/logic%20chart%20%282%29.jpg" rel=nofollow></a></p>
<p style="CLEAR: both; TEXT-ALIGN: left">e0接管理PC，即我的本地主机。e1接inside，e2接outside，e3接dmz。VM虚拟的server桥接在tap3上。</p>
<p style="CLEAR: both; TEXT-ALIGN: left">&nbsp;</p>
<img src ="http://www.cnitblog.com/wildon/aggbug/53112.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.cnitblog.com/wildon/" target="_blank">Jerome</a> 2008-12-27 14:04 <a href="http://www.cnitblog.com/wildon/archive/2008/12/27/53112.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>交换机Trunk的配置实验</title><link>http://www.cnitblog.com/wildon/archive/2008/12/27/53101.html</link><dc:creator>Jerome</dc:creator><author>Jerome</author><pubDate>Sat, 27 Dec 2008 03:53:00 GMT</pubDate><guid>http://www.cnitblog.com/wildon/archive/2008/12/27/53101.html</guid><wfw:comment>http://www.cnitblog.com/wildon/comments/53101.html</wfw:comment><comments>http://www.cnitblog.com/wildon/archive/2008/12/27/53101.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnitblog.com/wildon/comments/commentRss/53101.html</wfw:commentRss><trackback:ping>http://www.cnitblog.com/wildon/services/trackbacks/53101.html</trackback:ping><description><![CDATA[<p>&nbsp;</p>
<p style="CLEAR: both; BORDER-RIGHT: medium none; BORDER-TOP: medium none; BORDER-LEFT: medium none; BORDER-BOTTOM: medium none; TEXT-ALIGN: center"><a href="http://groups.google.com/group/nvtc-cn/web/L3%20Routing.jpg" rel=nofollow><img src="http://groups.google.com/group/nvtc-cn/web/L3%20Routing.jpg?display=thumb&amp;width=420&amp;height=420" border=0></a></p>
<p style="CLEAR: both; TEXT-ALIGN: left">实验中用到的拓扑如图所示：</p>
<p style="CLEAR: both; TEXT-ALIGN: left">采用dynamips并使用3640的IOS模拟三台交换机SW1,SW2,SW3，PC1-6用3620的IOS模拟。至于这个拓扑的NET文件，如何去写，这里不做介绍。</p>
<p style="CLEAR: both; TEXT-ALIGN: left">在这个实验里我们划分三个VLAN,VLAN 10,&nbsp;VLAN 20,&nbsp;VLAN 30。六台PC分别位于各自的VLAN中。具体如下：</p>
<p style="CLEAR: both; TEXT-ALIGN: left">VLAN 10: PC1，PC3(PC IP地址为192.168.1.1-192.168.1.3）</p>
<p style="CLEAR: both; TEXT-ALIGN: left">VLAN&nbsp;20: PC2，PC5(PC IP地址为192.168.2.2-192.168.2.5）</p>
<p style="CLEAR: both; TEXT-ALIGN: left">VLAN 30: PC4，PC6(PC IP地址为192.168.3.4192.168.3.6）</p>
<p style="CLEAR: both; TEXT-ALIGN: left">实验步骤：</p>
<p style="CLEAR: both; TEXT-ALIGN: left">1.首先在交换机SW1里创建VLAN 10,20;在SW2里创建VLAN 10,30,在SW3里创建VLAN 20,30</p>
<p style="CLEAR: both; TEXT-ALIGN: left">2,在未将PC划分到VLAN前，请测试同一网段的PC可否PING通，如PC1-&gt;PC3.PC2-&gt;PC5,PC4-&gt;PC6</p>
<p style="CLEAR: both; TEXT-ALIGN: left">3,将PC分别划分到前面规划的VLAN中。</p>
<p style="CLEAR: both; TEXT-ALIGN: left">4.将交换机SW1的F1/0,F1/3，SW2的F1/0,F1/4,SW3的F1/3,F1/4端口配置成TRUNK模式。</p>
<p style="CLEAR: both; TEXT-ALIGN: left">5.在进行PING测试。PC1-&gt;PC3,PC2-&gt;PC5,PC4-&gt;PC6</p>
<p style="CLEAR: both; TEXT-ALIGN: left">开始进行实验：</p>
<p style="CLEAR: both; TEXT-ALIGN: left">启动Dynamips server和Dynagen，如下图所示:</p>
<p style="CLEAR: both; TEXT-ALIGN: center"><a style="MARGIN-LEFT: 1em; MARGIN-RIGHT: 1em" href="http://groups.google.com/group/nvtc-cn/web/svr.jpg" rel=nofollow><img src="http://groups.google.com/group/nvtc-cn/web/svr.jpg?display=thumb&amp;width=420&amp;height=420" border=0></a></p>
<p style="CLEAR: both; TEXT-ALIGN: center"><a style="MARGIN-LEFT: 1em; MARGIN-RIGHT: 1em" href="http://groups.google.com/group/nvtc-cn/web/dynagen.jpg" rel=nofollow><img src="http://groups.google.com/group/nvtc-cn/web/dynagen.jpg?display=thumb&amp;width=420&amp;height=420" border=0></a></p>
<p style="CLEAR: both; TEXT-ALIGN: left">启动SW1-3,PC1-6.图中的ethsw是接在SW2上的一个16口以太交换机，交换机桥接本机物理网卡。</p>
<p style="CLEAR: both; TEXT-ALIGN: left">首先给PC配置IP地址。</p>
<p style="CLEAR: both; TEXT-ALIGN: center"><a style="MARGIN-LEFT: 1em; MARGIN-RIGHT: 1em" href="http://groups.google.com/group/nvtc-cn/web/PC1.jpg" rel=nofollow><img src="http://groups.google.com/group/nvtc-cn/web/PC1.jpg?display=thumb&amp;width=420&amp;height=420" border=0></a></p>
<p style="CLEAR: both; TEXT-ALIGN: center">&nbsp;</p>
<p style="CLEAR: both; TEXT-ALIGN: left">PC3的配置和PC1一样，仅仅需改变一下IP地址而已。</p>
<p style="CLEAR: both; TEXT-ALIGN: left">配置完成以后，从PC1 PING PC3，结果如何？</p>
<p style="CLEAR: both; TEXT-ALIGN: center">&nbsp;</p>
<p style="CLEAR: both; TEXT-ALIGN: center"><a style="MARGIN-LEFT: 1em; MARGIN-RIGHT: 1em" href="http://groups.google.com/group/nvtc-cn/web/ping.jpg" rel=nofollow><img src="http://groups.google.com/group/nvtc-cn/web/ping.jpg?display=thumb&amp;width=420&amp;height=420" border=0></a></p>
<p style="CLEAR: both; TEXT-ALIGN: left">尽管PC1和PC3在同一个VLAN10中，且都是同一网段的PC，但VLAN的流量不能通过。如何解决这个问题，那么我们在SW2，SW2的F1/0配置TRUNK，结果又该如何呢？先创建VLAN。</p>
<p style="CLEAR: both; TEXT-ALIGN: center"><a style="MARGIN-LEFT: 1em; MARGIN-RIGHT: 1em" href="http://groups.google.com/group/nvtc-cn/web/vlan-cr.jpg" rel=nofollow><img src="http://groups.google.com/group/nvtc-cn/web/vlan-cr.jpg?display=thumb&amp;width=420&amp;height=420" border=0></a></p>
<p style="CLEAR: both; TEXT-ALIGN: left">接下来，我将SW1的接口F1/1划分到VLAN 10,将F1/0接口配置成Trunk并允许所有的VLAN 流量通过。</p>
<p style="CLEAR: both; TEXT-ALIGN: center"><a style="MARGIN-LEFT: 1em; MARGIN-RIGHT: 1em" href="http://groups.google.com/group/nvtc-cn/web/Trunk-config.jpg" rel=nofollow><img src="http://groups.google.com/group/nvtc-cn/web/Trunk-config.jpg?display=thumb&amp;width=420&amp;height=420" border=0></a></p>
<p style="CLEAR: both; TEXT-ALIGN: left">同样在SW2需要创建vlan 10,30,配置端口F1/1和F1/0.配置命令如下：</p>
<p style="CLEAR: both; TEXT-ALIGN: left">SW2#VLAN DATABASE</p>
<p style="CLEAR: both; TEXT-ALIGN: left">SW2(VLAN)#VLAN 10</p>
<p style="CLEAR: both; TEXT-ALIGN: left">SW2(VLAN)#VLAN 30</p>
<p style="CLEAR: both; TEXT-ALIGN: left">SW2(VLAN)#EXIT</p>
<p style="CLEAR: both; TEXT-ALIGN: left">SW2#</p>
<p style="CLEAR: both; TEXT-ALIGN: left">SW2#CONF T</p>
<p style="CLEAR: both; TEXT-ALIGN: left">SW2(CONFIG)#INT F1/1</p>
<p style="CLEAR: both; TEXT-ALIGN: left">SW2(CONFIG-IF)#DUPLEX FULL</p>
<p style="CLEAR: both; TEXT-ALIGN: left">SW2(CONFIG-IF)#SPEED 100</p>
<p style="CLEAR: both; TEXT-ALIGN: left">SW2(CONFIG-IF)#SWITCHPORT MODE ACCESS</p>
<p style="CLEAR: both; TEXT-ALIGN: left">SW2(CONFIG-IF)#SWITCHPORT ACCESS VLAN 10</p>
<p style="CLEAR: both; TEXT-ALIGN: left">SW2(CONFIG-IF)#NO SHUT</p>
<p style="CLEAR: both; TEXT-ALIGN: left">SW2(CONFIG-IF)#INT F1/0</p>
<p style="CLEAR: both; TEXT-ALIGN: left">SW2(CONFIG-IF)#SWITCHPORT MODE TRUNK</p>
<p style="CLEAR: both; TEXT-ALIGN: left">SW2(CONFIG-IF)#SWITCHPORT TRUNK ALLOWED VLAN ALL</p>
<p style="CLEAR: both; TEXT-ALIGN: left">SW2(CONFIG-IF)#NO SHUT</p>
<p style="CLEAR: both; TEXT-ALIGN: left">SW2(CONFIG-IF)#END</p>
<p style="CLEAR: both; TEXT-ALIGN: left">SW2#WRITE</p>
<p style="CLEAR: both; TEXT-ALIGN: left">&nbsp;</p>
<p style="CLEAR: both; TEXT-ALIGN: left">完成配置后，我再从PC1 PING PC3,测试结果如下：</p>
<p style="CLEAR: both; TEXT-ALIGN: center"><a style="MARGIN-LEFT: 1em; MARGIN-RIGHT: 1em" href="http://groups.google.com/group/nvtc-cn/web/final-ping.jpg" rel=nofollow><img src="http://groups.google.com/group/nvtc-cn/web/final-ping.jpg?display=thumb&amp;width=420&amp;height=420" border=0></a></p>
<p style="CLEAR: both; TEXT-ALIGN: left">结果从先前的ping不通到现在的success。应该可以理解TRUNK的作用了吧。</p>
<p style="CLEAR: both; TEXT-ALIGN: left">剩下的SW3,PC2-&gt;PC5,PC4-&gt;PC6的配置及PING测试，请自己完成。</p>
<p style="CLEAR: both; TEXT-ALIGN: center">&nbsp;</p>
<p style="CLEAR: both; TEXT-ALIGN: center">&nbsp;</p>
<p style="CLEAR: both; TEXT-ALIGN: left">&nbsp;</p>
<p style="CLEAR: both; TEXT-ALIGN: left">&nbsp;</p>
<img src ="http://www.cnitblog.com/wildon/aggbug/53101.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.cnitblog.com/wildon/" target="_blank">Jerome</a> 2008-12-27 11:53 <a href="http://www.cnitblog.com/wildon/archive/2008/12/27/53101.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>DynamipsGUI中各种设备对应接口说明</title><link>http://www.cnitblog.com/wildon/archive/2008/03/20/41250.html</link><dc:creator>Jerome</dc:creator><author>Jerome</author><pubDate>Thu, 20 Mar 2008 07:52:00 GMT</pubDate><guid>http://www.cnitblog.com/wildon/archive/2008/03/20/41250.html</guid><wfw:comment>http://www.cnitblog.com/wildon/comments/41250.html</wfw:comment><comments>http://www.cnitblog.com/wildon/archive/2008/03/20/41250.html#Feedback</comments><slash:comments>2</slash:comments><wfw:commentRss>http://www.cnitblog.com/wildon/comments/commentRss/41250.html</wfw:commentRss><trackback:ping>http://www.cnitblog.com/wildon/services/trackbacks/41250.html</trackback:ping><description><![CDATA[<p>在Dynamips下做实验，需要桥接本地主机PC。除了在Dynamips GUI中选择&#8220;<strong>bridge to PC</strong>&#8221;外，还需计算本地网卡参数。在PC bridge parameters 标签下，有接口<strong>NIC0</strong>,NIC1,NIC2......，其中<strong>NIC0指的就是本地主机PC的网卡</strong>，如果本地PC有两块相同的网卡，你必须先Disable另一块网卡，在命令窗口中使用"<strong>getmac/v"</strong>来<strong>获得桥接网卡的参数</strong>。如：\Device\Tcpip_{2C00049B-AB83-43AB-AD30-212E230CE5CF}。如果你想桥接VMware的网卡，则NIC1或者NIC2对应的桥接参数将是VMware网卡的。<br>在dynamipsGUI中在进行拓扑连接时，各种接口的对应关系。<br>XPC，即就是你要桥接的PC，它的接口相应的为,P0/0,P0/1,P0/2，如果你只有一个物理网卡需要桥接，那么只会有一个P0/0对应于XPC。<br>CO-PIX1,其一般需要两个或者三个，看你自己的需要了。可以对应的为E0/0,E1/0,E2/0。你可以将它们设为outside,inside,DMZ。这没什么需要特别注意的。<br>VPCS，一款非常好用而又小巧的模拟PC的工具，它最多可以模拟9台PC，里面可应用的命令非常有限，但如果要用它来测试线路的通断还是非常有用的。它对应的接口为V0/1,V0/2......V0/9。<br>至于交换机和路由器的接口，没有区别。就不提了。<br>搞清楚了以上几种关键接口，设定对了PC的桥接参数，那么生成拓扑和bat文件后，模拟器才会正常运行。<br><br></p>
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<img src ="http://www.cnitblog.com/wildon/aggbug/41250.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.cnitblog.com/wildon/" target="_blank">Jerome</a> 2008-03-20 15:52 <a href="http://www.cnitblog.com/wildon/archive/2008/03/20/41250.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>Dynamips模拟路由器实验中用VPCS代替路由器模拟的PC</title><link>http://www.cnitblog.com/wildon/archive/2008/03/04/40463.html</link><dc:creator>Jerome</dc:creator><author>Jerome</author><pubDate>Tue, 04 Mar 2008 08:21:00 GMT</pubDate><guid>http://www.cnitblog.com/wildon/archive/2008/03/04/40463.html</guid><wfw:comment>http://www.cnitblog.com/wildon/comments/40463.html</wfw:comment><comments>http://www.cnitblog.com/wildon/archive/2008/03/04/40463.html#Feedback</comments><slash:comments>2</slash:comments><wfw:commentRss>http://www.cnitblog.com/wildon/comments/commentRss/40463.html</wfw:commentRss><trackback:ping>http://www.cnitblog.com/wildon/services/trackbacks/40463.html</trackback:ping><description><![CDATA[<p>以前再做路由或者交换的实验中，模拟PC都是选用3620,通过使用命令No ip routing关闭路由的路由更能，使它成为一台能测试网络的单纯PC。可要模拟出2台以上的PC，对内存的要求非常高，每一台路由器模拟的PC至少占内存32M。通常做稍微大点的实验，加上5台以上的路由器和交换机。我们的试验机已经不堪重负。那么，有没有更简单的能够有相同功能的设备来代替路由器模拟的PC呢？答案是肯定的。那就是VPCS可以做到。<br>&nbsp; &nbsp;&nbsp; 关于如何使用VPCS完成实验或者实验方案的设定，请参考Dynamips&amp;Pemu&nbsp; <br>如何设置VPCS的地址呢？格式：<span style="FONT-WEIGHT: bold">IP </span><span style="FONT-WEIGHT: bold; COLOR: #303dff">IP Address 网关 子网位（默认子网位24位）如 IP 10.1.1.29 10.1.1.1 24<br>&nbsp;&nbsp;&nbsp;</span><span style="COLOR: #303dff"> <span style="COLOR: #000000">一个VPCS可以模拟9台PC，要设置不同的PC，可以使用数字1-9进行切换。</span><br style="COLOR: #000000"><span style="COLOR: #000000">&nbsp;&nbsp;&nbsp; 如果你使用小凡的Dynamips GUI,那么可以很方便的把VPCS与Dynamips集成起来，而且可以批处理的格式，但这里我对如何将VPCS引入Dynamips下的NET文件更感兴趣。具体格式该是怎么样呢？</span><br style="COLOR: #000000"><span style="COLOR: #000000">&nbsp;&nbsp;&nbsp; DynamipsX下设备的连接方式，其语法采用 F1/0=R2 F1/0表示R1的F1/0与R2的F1/0相连</span></span><span style="FONT-WEIGHT: bold; COLOR: #303dff">。F1/3=PC1 F0/0 </span><span style="COLOR: #303dff"><span style="COLOR: #000000">等，用VPCS后，会是什么格式呢？<span style="COLOR: red"><strong>F1/0=NIO_udp:11121:127.0.0.1:30001</strong></span></span><br style="COLOR: #000000"><span style="COLOR: #000000">这里涉及到了两个端口，Rport和Lport，Rport是路由器的UDP端口，Lport是VPCS的端口。VPC连接路由器时，其连接语法可表示</span></span><span style="FONT-WEIGHT: bold; COLOR: #303dff"><span style="COLOR: #000000">：R type slot/num= NIO_udp:Rport IP address:Lport</span><br>&nbsp;&nbsp;&nbsp; </span><span style="COLOR: #000000">Rport和Lport必须按照VPC的配置文件startup中写的，一一对应。注意了以上几个方面，那么修改一下net文件，可以很方便的用vpc来模拟pc了。<br></span><span>&nbsp;&nbsp;&nbsp;&nbsp;startup.vpc文件可以将其改成startup.txt，然后修改其中的配置。举例其格式为：</span><br>&nbsp;&nbsp;&nbsp; #################### Created by Xiaofan ####################<br><span style="COLOR: #0000ff">1<br>conf rport 11121<br>2<br>conf rport 11122<br>1<br>conf lport 30001<br>2<br>conf lport 30002</span><br><span style="COLOR: #ff0000"><strong>1</strong></span><br>至于最末这个标示为红色的1，它表示，当你打开VPCS的时候，它默认的是PC1，如果你在上文件中，最末没有那个1，那么你打开VPCS的时候，它默认的PC是2.<br><span style="FONT-WEIGHT: bold; COLOR: #303dff"><br></p>
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<img src ="http://www.cnitblog.com/wildon/aggbug/40463.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.cnitblog.com/wildon/" target="_blank">Jerome</a> 2008-03-04 16:21 <a href="http://www.cnitblog.com/wildon/archive/2008/03/04/40463.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item><item><title>Pemu桥接两例</title><link>http://www.cnitblog.com/wildon/archive/2007/07/09/29647.html</link><dc:creator>Jerome</dc:creator><author>Jerome</author><pubDate>Mon, 09 Jul 2007 03:02:00 GMT</pubDate><guid>http://www.cnitblog.com/wildon/archive/2007/07/09/29647.html</guid><wfw:comment>http://www.cnitblog.com/wildon/comments/29647.html</wfw:comment><comments>http://www.cnitblog.com/wildon/archive/2007/07/09/29647.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.cnitblog.com/wildon/comments/commentRss/29647.html</wfw:commentRss><trackback:ping>http://www.cnitblog.com/wildon/services/trackbacks/29647.html</trackback:ping><description><![CDATA[&nbsp;&nbsp;&nbsp;&nbsp; 摘要: 由于模拟试验需要，不得不提到网桥的概念。提到桥接，首先要明白，网桥的功能及其在OSI第二层--数据链路层里工作的原理。通过网桥实现网段的物理分割。下面着重介绍在用Openvpn创建虚拟TAP网卡和用Winpcap创建虚拟网卡后如何桥接.<br>a) 利用Openvpn创建tap接口运行<br>b) 利用Winpcap桥接到实际网卡运行<br>&nbsp;&nbsp;<a href='http://www.cnitblog.com/wildon/archive/2007/07/09/29647.html'>阅读全文</a><img src ="http://www.cnitblog.com/wildon/aggbug/29647.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.cnitblog.com/wildon/" target="_blank">Jerome</a> 2007-07-09 11:02 <a href="http://www.cnitblog.com/wildon/archive/2007/07/09/29647.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item></channel></rss>