Tag Archives: MAC Addresses

Concepts of Routing

This content is from our CompTIA Network + Video Certification Training Course. Start training today! In this lesson, we look at how routers do their job. Router: Moves Packets Leans Network Information Routers move packets. We’ll illustrate this as we did previously with switches.   We have bits – layer 1, then frames (that’s where … Continue reading Concepts of Routing

What Happens when there are duplicate MAC Addresses. How many MAC Addresses can a Switch learn?

This post is from our Cisco CCNA Training Course. Instructor Mark Jacob was presenting a Q&A Session in our ICND1 CCNA class and answered a question regarding MAC Addresses and when they get associated to devices. Transcription: What issues arise if there are duplicate MAC addresses? MAC addresses are important. Let’s say I’m a PC … Continue reading What Happens when there are duplicate MAC Addresses. How many MAC Addresses can a Switch learn?

How MAC Addresses Are Assigned to Devices

This post is from our Cisco CCNA Training Course. Instructor Mark Jacob was presenting a Q&A Session in our ICND1 CCNA class and answered a question regarding MAC Adresses and when they get associated to devices. Transcription: The OUI is an abbreviation that stands for Organizationally Unique Identifier. “What organization?” you might ask. Let’s take … Continue reading How MAC Addresses Are Assigned to Devices