In Step 4, you must use vendor documentation, salespersons, and system engineers to determine the hardware that is required for your network. This holds for both LAN and WAN components.
For LANs, select and provision router models, switch models, cabling systems, and backbone connections. For WANs, select and provision router models, modems, CSUs/ DSUs (channel service units/data service units), and remote access servers.
What Do You Know?
Coming into Step 4, you determined your network requirements, developed a physical network topology, and laid out your addressing and naming scheme. In this step, you select and provision the necessary network equipment to implement the design.
When selecting and provisioning routing or switching hardware, consider the following areas:
• Expected CPU usage
• Forwarding latency
• Required interface types and density
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