As always, when troubleshooting connectivity issues, use a layered approach and eliminate possibilities at each layer to home in on the possible cause of the problem. Over time, you will begin to develop a sixth sense about these problems and decrease the amount of effort it takes to accurately pinpoint a connectivity problem. In the … Read more
Catalyst switches, for the most part, are designed so that the default state of the switch allows for basic layer 2 functionality without requiring any configuration from the administrator. For example, the physical interfaces on the switch are already enabled, which means that you can plug a cable in the switch and the interface operates … Read more
We already have an article “Datalink networking concepts”, that you can use bridges and switches to segment a LAN into smaller collision domains. This article looks in close detail at the operations of bridges and switches. Specifically, you will investigate the transparent functionality that occurs when a switch is building and utilizing its frame forwarding … Read more