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Pause frames (IEEE 802.3x)
QoS
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Layer 2 IEEE 802.1p (class of service [CoS])
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Eight hardware queues per port
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Per-port QoS configuration
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CoS trust
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Per-port virtual output queuing
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CoS-based egress queuing
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Egress strict-priority queuing
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Egress port-based scheduling: Weighted Round-Robin (WRR)
High Availability
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Hot-swappable field-replaceable power supplies, fan modules, and expansion modules
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1+1 power redundancy
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N+1 fan module redundancy
Management
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Interconnect management using redundant 10/100/1000-Mbps management or console ports
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All management provided through Cisco UCS Manager; please refer to the Cisco UCS Manager data sheet
for more information about management interfaces
Low-Latency, Lossless 10 Gigabit Ethernet Unified Network Fabric
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PFC (per-priority pause frame support)
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Data Center Bridging Exchange (DCBX) Protocol
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IEEE 802.1Qaz: Bandwidth management
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Layer 2 multipathing (future)
Unified Ports
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All ports configurable as 1/10 Gigabit Ethernet or 1/2/4/8-Gbps Fibre Channel
Industry Standards
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IEEE 802.1p: CoS prioritization
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IEEE 802.1Q: VLAN tagging
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IEEE 802.1s: Multiple VLAN instances of Spanning Tree Protocol
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IEEE 802.1w: Rapid reconfiguration of Spanning Tree Protocol
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IEEE 802.3: Ethernet
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IEEE 802.3ad: LACP
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IEEE 802.3ae: 10 Gigabit Ethernet
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SFP+ support
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RMON