That's all there is to it in terms of a tool for someone who has a concept of working at the 2-3 OSI level. It is possible to solve specific problems, as well as create interesting implementations of traditional problems. For instance, I have a script that restarts the USB modem in the event that the connection to this modem is lost. In general, if the objective is to learn how to install fault-tolerant equipment while also gaining experience in working with networks, the ideal option is to go with the latter.
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