Dynamic Access List – Lock and Key


You are the senior network engineer at a company called “The Router Whisperer”. Your boss heard about a new feature to increase security for one of your customers who is a  famous dog trainer. You need to make sure that users authenticate ot router Bulldog before they are allowed access to router ProtectMe.


  • All IP addresses have been configured for you, look at the topology picture for the IP addresses.
  • Static routes have been configured for you to ensure full connectivity.
  • Configure router Bulldog so users have to authenticate before they are allowed telnet access into router ProtectMe.


Dynamic Access-List Lock and Key

Video Solution:

Configuration Files

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Once you are logged in you will find the configuration files right here.

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Written by René Molenaar - CCIE #41726

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About the Author: Rene Molenaar

René - CCIE #41726 is the creator of GNS3Vault.com where he shares CCNA, CCNP and CCIE R&S labs. He also blogs about networking on http://networklessons.com


    1. This is not something we’ll do on a production network nowadays. It’s better to use AAA (Radius) and 802.1X.

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