Cisco is the leading router vendor and its operating systems and routing protocols have become de facto standards. A Cisco network diagram has switches, routers, and wireless access points. Through them, devices connected to a network can communicate with one another and with other networks, like the internet. Cisco Network Diagrams are used by System administrators and IT professionals to design and showcase network infrastructures. With Cisco’s network diagram tools, one can create their own diagrams representing the network’s organizational structures in minutes. As shown in the Cisco network diagram, switches, routers, and wireless access points perform very different functions in a network.