If you go to EBay, and search on “Cisco router”, you get a lot of hits (over 7000 just a few minutes ago.) It can be quite daunting if you’re early into your CCENT or CCNA study, three chapters into ...

Use the Cisco IOS archive command to archive your router’s configuration David Davis introduces the Archive command in Cisco, which you can configure to log all commands on your router. If you need to ...

Cisco Packet Tracer is more than just a simulation tool—it’s a hands-on learning environment for building, testing, and troubleshooting networks without expensive hardware. From basic device ...

The Cisco IOS actually offers 16 different privilege levels. David Davis discusses these different levels and introduces you to the main commands you’ll need to configure these privileges. Did you ...

Do you need two routers to practice routing commands for CCNA? Or do you really need 3 – or even 4? Likewise for CCNP, or one of the CCNA concentrations? And what topology do you need to use – which ...

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 ...