IP Source Guard is similar to Dynamic ARP Inspection in the way that it maps IP Addresses to certain criteria that must match or packets will be dropped, however this is configured solely on the interfaces and ties the IP Address of the device off that interface to its ip source verify table. You can … Continue reading Quick IP Source Guard Review, and how it differs from DAI (slightly) for exam day!
Again this will be a CCNA level review of configuration / verification, and behaviors when things are working and not working, so if you already know this iron clad then skip forward but if you're rusty you may want to stick around. (Errdisable auto recovery will be covered at the very bottom of this post!) … Continue reading Port-Security – All Port-Security labbing and verification you could ever want, errdisable recovery demonstrated!
^^^Credit to Avalon.com for this picture I found I google images, I just love that picture in regards to Port-Security, I thought it was very fitting to open the section up here 🙂 Intro and Fundamentals of Port-Security As mentioned, this information will be at the CCNA level of knowledge, so if you just passed … Continue reading Port-Security – CCNA Level Fundamentals, verification tables reviewed, and basic configurations explained for review!