Switch Port Density Calculator
Calculate access, distribution, and core switch count from endpoint count, port requirements, and uplink oversubscription.
Inputs
%
Mbps
Mbps
Results
Access Switches
6
Total Switches
7
Oversubscription Ratio
0.8:1
Distribution Switches1
Core Switches0
Total Usable Ports264
Spare Ports64
Port Utilization75.8 %
Rack Units (1U each)7 RU
Total Ports Installed288
How to Use This Calculator
- Enter Total Endpoints, Ports per Switch, and Uplink Ports per Switch.
- Set Spare Port Capacity, Access Port Speed, and Uplink Speed.
- Review Access Switches, Total Switches, and Oversubscription Ratio (:1).
- Use Distribution Switches and Core Switches to inform your decision.
- Use the chart to visualize the results and explore different scenarios by adjusting inputs.
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Formula
Switches = ⌈Endpoints × (1 + Spare%) / (Ports - Uplinks)⌉Related Calculators
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