David Davis goes over the Cisco IOS commands you must know to manipulate files on your Cisco router flash, nvram, or other filesystems, allowing you to back up your configuration, upgrade your router, ...

To access your router configuration page or want to know the Login URL for your router to change settings, you will have first to find the IP address of your router, then open your router ...

I never update my router without doing this two-minute step first ...

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 ...

This month's article will introduce network router programming. If you have not worked with IT infrastructure, you may be surprised at the number of options and possible configurations available to ...

It's been years since I did anything hardcore like reprogramming routers. We've got a situation where we are using a router, it works fine, but we need to switch over to a new config with increased ...

I left my router on default settings for years—here’s why you should change yours today ...

Cybersecurity nowadays requires more (and better) protective measures than ever before. These measures range from adopting what are acknowledged as best practices, through helping end-users to stay ...

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 ...