Let's say I was asked to replace a switch at work. I know what most of the requirements are:
• Fixed Configuration • Stackable • Either 24 and 48 port density • 1 GigabitEthernet line speed • High PoE Budget • 2 to 4 SFP ports with 1 GigabitEthernet line speed • QoS • IP Routing capability So far, so good. Easy. But how the hell do I know what the correct new model is I should buy based on the horsepower of the old unit, the brain power of it and stuff relating to its actual switching capability. What are the usual bits of info you're measuring to gauge the correct level of switching power?
What exactly is Forwarding bandwidth?
What exactly is Switching bandwidth?
What's the difference between the two?
Also, what exactly is meant by Stack Bandwidth? What is Stack Bandwidth in Gigabytes/Gigabits a measurement of?
Have you ever made any mistakes in relation to any of these things?
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