Buying Guides
Networking Switch Guide
Layer 2 vs Layer 3, PoE budgets, stacking, and uplink planning explained. · 8 min read
L2 vs L3
L2 access switches feed an L3 core. Don't over-spec the edge.
PoE budgets
Sum the wattage of every AP, camera, and phone — then add 30%.
Uplinks
Plan 10/25/40 GbE uplinks to the core. Single-link uplinks are an outage waiting to happen.
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