How To Set Up A Cisco Lab On Linux (CentOS 5.2)

Background I recently decided to study for the Cisco CCSP certification. My main concern in the beginning was the fact that most of the lab simulation software that I found out there could only run on Windows, this was a problem for me given the fact that I do not own a windows computer. After a quick search I found the wonderful Dynamips project that goes beyond what other simulators do by running...
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Use Zebra to set up a Linux BGP/OSPF router

With GNU Zebra, your Linux box can act as a router supporting TCP/IP protocols such as RIPv1, RIPv2, RIPng, OSPFv2, OSPFv3, BGP-4, and BGP-4+. I’m going to show you how to install, configure, and use Zebra to turn a Linux box into an OSPF and BGP router. Building an advanced routerIf you have set up a Linux box as a firewall, you have already built a simple...
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Emacs Help

Introduction Emacs is perhaps world's most powerful text editor.you can do lot's of stuff using emacs in a very powerful way.I will just try to list out few tasks that you can accomplish with help of emacs: Editing text filesProgrammingSearching and replacing patterns in a text fileChecking mailReading newsListening to SongsExecuting commandsCan also work...
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Setting Up .htaccess

htaccess can be used in co-ordination with the Apache web server to password protect certain files and directories on your web server. This document assumes that you have Apache already set up and running correctly. If this is not the case please visit http://www.linuxhelp.ca/guides/apache/ for help with installing and configuring Apache. For my own sanity I'm going to assume that you...
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Run remote commands on a Cisco router from your PC

Can you go to a Windows command prompt and run a command on your router? Usually, you would have to Telnet or SSH to the router first to run the command, right? While this approach works, you can also run router commands without leaving the Windows command prompt, which can come in handy for scripting and automating router management. Let’s take a closer look....
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Installing a VPN with OpenVPN

Introduction With OpenVPN, it is easy to set up a virtual private network between Windows clients using a dialup connection and a Linux server. The clients can do ftp and telnet securely and Windows clients can securely browse the intranet running Samba. This document describes how to set up OpenVPN between a host computer running Linux and remote...
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