If you&#39;re going to go the dynamips route (link #2) then look at Dynagen... <a href="http://www.dynagen.org/">http://www.dynagen.org/</a>  is a python wrapper for dynamips, which lets you write simple config files to build your network instead of trying to do it with command line options.<div>
<br></div><div>That said, if you can get your hands on a couple of 2501s and some old CSU/DSU units, you can practice loopback testing on T1s. Admittedly, this is becoming less and less of a valuable skill.</div><div><br>
</div><div>Sean</div><div><br><div class="gmail_quote">On Wed, Aug 4, 2010 at 6:07 PM, Adam Thompson <span dir="ltr">&lt;<a href="mailto:athompso@athompso.net">athompso@athompso.net</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">



  
  

<div>
Kat,<br>
Are you aware of the gns3 app (Graphical Network Simulator, v3) which emulates/simulates a network of Cisco devices?  I&#39;ve also heard of a Cisco 7200/7600 VM that runs on i386 hardware.<br>
<br>
For the first one: <a href="http://www.gns3.net/" target="_blank">http://www.gns3.net/</a><br>
And the second: <a href="http://www.ipflow.utc.fr/index.php/Cisco_7200_Simulator" target="_blank">http://www.ipflow.utc.fr/index.php/Cisco_7200_Simulator</a><br>
<br>
They both appear to use the same underlying technology, I haven&#39;t actually tried either of them yet.<br>
<br>
I&#39;m sure there are a few people on this list who&#39;d be be willing to provide the necessary IOS images, privately.<br>
(i.e. DON&#39;T just hit reply!  It&#39;s still technically piracy, even for Cisco students!)<br>
<br>
I might be able to get my hands on some old Cisco switches... not sure if they&#39;ve already gone to the great static bag in the sky or not...<br>
<br>
-Adam<br>
<br>
<br>
<br>
On Wed, 2010-08-04 at 09:28 -0500, Kat wrote:<br>
<blockquote type="CITE">
    I&#39;m interested in two of the cisco 2500 routers, if you&#39;re willing to let two go to one person.  I&#39;ll be writing my CCNA in September and won&#39;t have equipment to play with after mid-August.<br>
    <br>
    Unless someone will let me play with their Cisco equipment at work :)<br>
    <br>
    Now to find a couple old Cisco switches...<br>
</blockquote>
<br>
</div>

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<br></blockquote></div><br><br clear="all"><br>-- <br>Sean Walberg &lt;<a href="mailto:sean@ertw.com">sean@ertw.com</a>&gt;    <a href="http://ertw.com/">http://ertw.com/</a><br>
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