"My access point, switch, router or firewall isn't working..."
Chances are you're referring to a Fully Managed network device.
Unlike plug & play, unmanaged devices bought in a chain store, Most Cisco products are fully managed. These will need to be configured through a command line interface (CLI) via a "console cable" before they can be deployed in your network.
One of the most common problems we see is that many people assume they can purchase a Cisco access point, plug a Cat-5 cable into it, and easily have wireless access to their network. This is not the case. As mentioned above, you will first need to enter your network parameters via a CLI prompt. To further complicate matters, there are 2 different types of Cisco AP's; Autonomous & LWAPP (lightweight or LAP)
LAP models require a Wireless Controller (WLC) device to work. These are generally used when you have a group of AP's that are on your network.
The WLC is used as a central management station for all the LAP access points on the network.
There are many sources on the internet that you can Google to guide you through the learning process if you need more info.
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