This tutorial will show you how to enable ssh on a cisco router. In order to use ssh for terminal access, you must have an image that supports encryption. Sometimes, but not always, the encryption feature set can be recognized by the ‘k9′ in the image name. Click Image to play tutorial: 
The Cisco IOS configuration archive is intended to provide a mechanism to store, organize, and manage an archive of Cisco IOS configuration files in order to enhance the configuration rollback capability provided by the configure replace command. – Cisco.com This tutorial also demonstrates installing an ftp server on Windows 2000/XP/2003.
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This command will apply all necessary additions and deletions to replace the current running configuration with the contents of the specified configuration file, which is assumed to be a complete configuration, which is assumed to be a complete configuration, not a partial configuration.
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Use the following command to see the differences between two different config files Example: show archive config differences system:running-config nvram:startup-config
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This video tutorial takes the previous three tutorials and ties them all together to create a virtual WAN right on your PC. When you are finished with this tutorial traffic will flow from your PC’s loopback interface, through router R1, through the T1, through router R2, out the NIC on your PC, to the ethernet LAN and out to the internet.
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This tutorial is part 3 in a series of basic Dynamips tutorials. This particular tutorial demonstrates dynagen’s ability to create a virtual switch that allows your virtual routers to communicate with a PC via a loopback interface.
Part 1: Dynagen Installation
Part 2: Dynagen Basic T1 Configuration
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This tutorial will help you create a virtual wan with two 7200 series routers. The routers are connected with a point-to-point T1 circuit. If you are not familiar with Dynagen or Dynamips, please watch the installation tutorial first.
http://www.blindhog.net/cisco-router-emulation-software-dynamips-video-tutorial/
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Dynamips and Dynagen are basically vmware for Cisco IOS. This software runs actual IOS images for several cisco platforms including the 7200 series. That’s right "actual" ios images. This is not a flash simulator that is missing half of the commands. When studying for CCNA, CCNP and CCIE exams, this software is a must. I hope you enjoy the video tutorial.
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This document will give you the bare minimum to provide RADIUS authentication to your Cisco Devices using Microsoft Internet Authentication Service (IAS) RADIUS server. Using RADIUS on your Microsoft server to authenticate Cisco devices allows you to use the same usernames and passwords on your Windows servers and Cisco devices. (more…)
