Network Infrastructure Devices and Icons

Network Infrastructure devices are the physical components, which are used to build the network. Depending on the size of the enterprise network, the model, capacity and size of Network Infrastructure devices varies. 

Following table lists important devices in a computer network. If you are a beginner, some devices may not be familiar. We will discuss about these devices in future lessons.

It is necessary to understand and perceive these network device icons, because network diagrams uses these icons to represent the network devices.

Device Icon
Network Hubs Network
Layer 2 Switches Network
Layer 3 Switches Network
Ethernet Network Segment Network
WAN Link Network
Network Routers Network
Clients Network
Servers Network
Firewall (General) Network
Cisco ASA Network
Cisco Secure ACS Network
Cisco ISE Network


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