Recently a client asked me to write a whitepaper about IP address management. At first the assignment seemed completely routine. But as I began looking at the details I realized that I was going to ...

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 ...

This how-to shows how to use free Ansible software to automate configuration of Cisco routers and links to other Ansible modules that apply to other vendors' gear and support other functionality ...

- Windows 10 VM running on ESXi Server (connected to vmnic1, port 6 on TP-Link) - OPNsense Firewall VM running on ESXi Server (connected to vmnic1, port 6 on TP-Link) The OPNsense Firewall VM can do ...

Feel smarter than your router in 60 seconds.

This post will show you how to change your default Wi-Fi Router Name (SSID) as well as the Password. Wi-Fi is undoubtedly a great way to keep connected to the internet wherever we go. Today, we can ...

As I've started to build up a little home lab, I've been playing around with the idea of either building or buying a PC to run pfsense on and use as my primary (edge?) router. That is, I would run my ...

Guest networks are surprisingly useful.

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 ...