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