Layer 3 switches, aka multilayer switches, route packets using the same logic as IP routers. For ports connected to another layer 3 switch or a router, the layer 3 switch benefits from using that [...]

Layer 3 switches, aka multilayer switches, route packets using the same logic as IP routers. A layer 3 switch can simultaneously support layer 2 features such as LAN switching and VLANs. To route [...]

For most people, the Cisco CCNA certification has been the first certification for which you learned about two core networking concepts: LAN switching (as performed by switches) and IP routing [...]

What happens when a router happens to learn three separate routes for the same subnet ID – but with different masks, and with different routing protocols? What should you be thinking about when [...]

#CCNA study scenarios often focus on the most common and most obvious combinations of events. However, sometimes it helps to think about some more unusual scenarios just for the purpose of [...]

I got started on this discussion of the previous post’s sample question based on a question from a reader of the ICND2 Cert Guide. For the discussion of the answers, I’d like to focus on the one [...]