How to: Catalyst 9800 MAC Filtering

Update 2020 / 05 / 19 – I’ve added a video above that walks through the steps detailed in this blog post. If you’re using the ‘Basic’ Wireless setup, you may see an error when trying to apply the policy: “switch 1 dbm wireless Use…

Port Security: Worth the effort?

Port Security. Always seems like one of those things covered in Cisco exams, yet how many businesses actually use it? For those that aren’t implementing it, should they? Or is it too much of a headache? So the concept of port security is fairly simple – We want…