With a simulator, there are always missing commands and programming errors, and it can never really be as complete as the real IOS. However, because an emulator runs the IOS, you get every feature ...

David Davis introduces the Archive command in Cisco, which you can configure to log all commands on your router. If you need to back up to a previous configuration, or see what went wrong after a ...

Routers are amongst the most crucial components of the Internet, as each bit of information on the Internet passes through many routers. Most of the routers used on the Internet are made by Cisco.

90+% of Cisco Router administrators are CLI jockeys, myself included. However, there are several GUI tools that can help you manage and secure your Cisco routers very quickly. The one I want to focus ...

Cisco’s new Valet Plus wireless router doesn’t promise a whole bunch of fancy features or apps. What it does promise is that you can set it up and have a secure, working wireless Internet connection ...

Previous articles (Part one, Part two) in this series on implementing VPN gateways using Cisco routers discussed the IPsec protocol and basic IPsec VPN connection models. Now we'll learn how to ...