Using an analyzer can be as much of a time sink as you’re willing to let it be. If you were the kid in elementary school who had a good time reading the dictionary, you’ll have a great time pouring over protocol decodes. If, however, you need to get a lot of work done, you might have to sigh and save the protocol decodes for a less busy time— and employ your black box troubleshooting skills to isolate if and where you need to use your analyzer.
Now it’s time for the physical limitations: Remember that an analyzer can only listen in on a “party line.” You cannot listen to a station that has a point-to-point connection to a switch because there’s no hub to connect to and listen in on. What do you do?