3.1
Edge Performance and PoE
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1 – Not in place: 100 Mbps or below; insufficient PoE
2 – Developing: Mixed legacy and newer switches
3 – Meets DfE standard: Managed switches with 1 Gbps; sufficient PoE
4 – Leading: Multi-gig edge with headroom
3.2
Core Design and Capacity
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1 – Not in place: Flat topology; frequent congestion
2 – Developing: Some core/distribution layers but limited redundancy
3 – Meets DfE standard: Structured core/distribution/edge architecture
4 – Leading: Modern resilient campus design
3.3
Central Management and Lifecycle
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1 – Not in place: No central management; undocumented
2 – Developing: Basic management; reactive updates
3 – Meets DfE standard: Central management with 5+ years support
4 – Leading: Standardised platform with lifecycle plan
3.4
Security Features
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1 – Not in place: Default passwords; insecure protocols
2 – Developing: Some hardening but inconsistent
3 – Meets DfE standard: Secure admin access; logging/audit
4 – Leading: Full NAC; least-privilege admin
3.5
Resilience and Power
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1 – Not in place: Single core switch; no UPS
2 – Developing: Limited redundancy; partial UPS
3 – Meets DfE standard: Core switches with UPS and redundancy
4 – Leading: End-to-end resilience with tested failover