When building a lab to use to practice for CCNA or CCNP, you need Cisco switches. Part of the decision must be how many switches you can afford. And of course you’ll want to know whether adding ...

Once you're ready to make the jump to a more sophisticated switch, what do you need to know? Let's answer some of the most frequently asked questions and explore the basic configuration of Cisco ...

Is there a way to interrogate a SFP in a Cisco switch (2950, 3750, etc) in order to glean info about fiber quality? Noise, signal loss.. my company is too cheap to buy a real fiber tester.