Cisco N2K-C2232TM Full Product Description
1. Short Overview
N2K-C2232TMis a 1RU high-density 1/10GBASE-T copper Fabric Extender (FEX) from the Cisco Nexus 2000 Series, a stateless remote I/O device that expands high-speed copper port capacity for upstream parent Nexus switches (N5000/N5500/N5600/N6000/N7000/N9000)Cisco. It features 32 auto-sensing 1/10GBASE-T RJ45 host downlinks for rack virtualization servers, all-flash storage and blade servers, paired with eight wire-speed 10G SFP+ fabric uplink ports to connect to the parent switch. All control plane logic, forwarding rules, lossless FCoE, QoS and security policies are fully centralized on the parent NX-OS switch; the FEX only performs local packet buffering and traffic tunneling over fabric links. The Nexus 2232TM platform has reached End-of-Sale, and all official Cisco hardware support lifecycles have expired.
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Core copper 10G design: Uses low-cost CAT6a/CAT7 twisted-pair cabling for 10G server access, supporting lossless FCoE transmission up to 30 meters over copper cabling
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Dual airflow flexibility: Port-side intake (blue handle) or port-side exhaust (red handle) power/fan FRUs to match any hot/cold aisle rack layout; airflow direction of all power and fan modules must match to avoid thermal protection shutdown
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Fixed 4:1 maximum oversubscription ratio: 320G total host bandwidth vs 80G aggregate fabric uplink bandwidth
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Carrier-grade redundancy: Hot-swappable dual AC power supplies and dual fan trays for non-stop production operation
2. Part Number Suffix Breakdown & Hardware Differentiation
Full PN Breakdown
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N2K: Nexus 2000 Series Fabric Extender product family
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C2232TM: 1RU high-density copper FEX chassis model
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32 × auto-sensing 1/10GBASE-T RJ45 copper host ports
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T = 10GBASE-T copper interfaces;M = Multiple 10G SFP+ fabric uplinks (8 ports total)
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No fixed airflow preset: Power supply and fan trays are ordered separately to define chassis cooling direction
Key Hardware Gap vs N2K-C2232PP-10GE (All-Fiber Model)
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Item
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N2K-C2232TM
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N2K-C2232PP-10GE
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Host Ports
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32 × 1/10GBASE-T RJ45 copper
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32 × 1/10G SFP+ fiber-only
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Cabling
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CAT6a/CAT7 copper twinax
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Fiber / passive Twinax DAC
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Native Fibre Channel
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Only via fabric uplink SFP+ transceivers
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Host ports support FC transceivers
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Deployment Focus
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Copper 10G server rack access
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All-fiber blade / long-distance SAN
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Key Hardware Gap vs Enhanced N2K-C2232TM-E
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Item
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N2K-C2232TM (Standard)
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N2K-C2232TM-E (Enhanced)
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Shared Packet Buffer
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8 MB basic buffer
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32 MB large burst buffer
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Long-distance FCoE
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Short-range copper only
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3km lossless fiber uplink support
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Buffer Tuning
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Fixed static allocation
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User-configurable shared buffer partitioning
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Factory Bare Chassis Included Hardware
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1RU standard 19-inch EIA horizontal rack-mount passive chassis
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Rear panel fixed port bank:
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32 × auto-negotiating 1/10GBASE-T RJ45 copper host ports (supports FCoE over CAT6a/CAT7 up to 30m)
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8 × yellow-labeled SFP+ 10G fabric uplink ports dedicated to parent switch interconnection
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Front panel redundant FRU slots: Dual AC power supply bays, dual hot-swappable fan tray slots
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Integrated status LED indicators: Global system health, power supply fault, fan fault, per-port link/activity, UID rack locator beacon
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Standard 19-inch rack mounting rails, front cable management brackets, hardware installation & global safety compliance documentation
Items Not Included (Must Be Ordered Separately)
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Hot-swappable AC power supplies (single PSU for basic operation, dual PSUs for N+1 power redundancy; airflow matched to fan trays)
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Hot-swappable fan trays (single fan for basic operation, dual fans for redundant cooling; airflow must align with power supplies)
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SFP+ transceivers, Twinax copper DAC cables and FET-10G fabric extender transceivers for eight 10G fabric uplink ports (SR/LR optical or short-range passive copper)
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Optional accessories: Lockable front door, air filter panel, cable management guides, serial console rollover cable
Supported Parent Switch Platforms
All Nexus 5000, 5500, 5600, 6000, 7000/7700, and 9000 series data center switches running compatible NX-OS firmware releases.
3. Hardware Port & Slot Layout
Rear Panel Fixed Ports
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32 × 1/10GBASE-T RJ45 Host Ports
Auto-sensing 1G/10G copper interfaces compliant with IEEE 802.3an 10GBASE-T and IEEE DCB lossless standards (802.1Qbb PFC, 802.1Qaz ETS) to carry lossless FCoE storage traffic over CAT6a/CAT6a cabling with maximum 30-meter reach. All Layer 2, SAN and security policies are enforced centrally on the parent switch, not the FEX itself.
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8 × SFP+ 10G Fabric Uplink Ports (Yellow Labeled)
Wire-speed 10G Ethernet/FCoE uplinks for fabric connectivity to the upstream parent switch. Supports SFP+ optical transceivers, passive Twinax DAC cables and dedicated FET-10G fabric extender transceivers. All eight uplinks can be bundled into LACP port-channels for load balancing and full link failure redundancy.
Front Panel Redundant FRU Slots
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Two independent hot-swappable AC power supply bays (N+1 redundant deployment supported)
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Two independent hot-swappable fan tray slots (dual-fan redundancy eliminates single cooling point of failure)
Front Panel LED Status Array
Global chassis health LED, individual power supply fault LEDs, fan tray fault indicators, per-port link/activity LEDs for all 32 RJ45 and eight fabric SFP+ ports, UID locator beacon for rack asset identification.
4. Hardware Performance Specifications
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Total host port capacity: 32×10G wire-speed downlink ports, total 320 Gbps aggregate host bandwidth
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Fabric uplink bandwidth: 8×10G full-duplex uplinks, total 80 Gbps aggregate upstream bandwidth
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Fixed oversubscription ratio: 4:1 (320G host / 80G uplink bandwidth)Cisco
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Full-duplex switching capacity: 160 Gbps; wire-speed forwarding throughput: 595 Mpps (64-byte minimum frame size)
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Shared dynamic packet buffer: 8 MB fixed buffer optimized for standard virtualization and FCoE storage traffic
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VLAN support: Up to 4094 standard IEEE 802.1Q VLANs, configured and managed exclusively on the parent switch
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Port-channel scaling: Supports up to 8 physical host ports per LACP host port-channel / vPC trunk
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Zero-touch provisioning: Automatic firmware synchronization, configuration download and bulk upgrades triggered from the parent switch singleinstall allcommand
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Hardware offload & lossless features (controlled by parent NX-OS):
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IEEE DCB standards (PFC Priority Flow Control, ETS Enhanced Transmission Selection) for lossless FCoE storage transport over 10G copper
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vPC dual-homing, PVLAN private VLAN, MSTP spanning tree, QoS traffic classification
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VNTag virtual machine-aware traffic tagging for virtualized server environments
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Buffer-to-buffer credits for short-range Fibre Channel SAN extension via fabric uplink transceivers
Physical & Environmental Parameters
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Form Factor: 1 RU (4.37 cm height), standard 19-inch horizontal rack mount
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Dimensions (H × W × D): 43.7 mm × 439.4 mm × 449.6 mm (1.72 × 17.3 × 17.7 inches)Cisco
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Fully loaded chassis weight (dual PSUs + dual fans + transceivers): ~8.4 kg (18.5 lbs)Cisco
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Operating temperature range: 0°C ~ 40°C (32°F ~ 104°F); certified altitude up to 3,000 meters
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Storage temperature range: -40°C ~ 70°C (-40°F ~ 158°F)
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Operating relative humidity: 5%–95% non-condensing
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Compliance Certifications: FCC Class A, UL 60950-1, CE, VCCI Class A, NEBS Level 3, GR63 seismic compliance, RoHS 6 validated
AC Power Supply FRU Specifications (Sold Separately)
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Input: Universal 90–264V AC, 50–63Hz
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Typical full-load power consumption: 210W with all 32 host ports active
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Hot-swappable OIR replacement, supports N+1 redundant power deployment
5. NX-OS Feature Set (Managed Centrally on Parent Switch)
Layer 2 Ethernet & Converged FCoE Fabric
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Single centralized management plane; all FEX ports appear as logical HIF (Host Interface) interfaces on the parent NX-OS switch
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802.1Q VLAN tagging, PVLAN private VLAN isolation
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MSTP multi-instance spanning tree, vPC dual-active peer-link redundancy for server high availability
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IEEE DCB lossless standards (PFC, ETS) enabling FCoE storage traffic over 10GBASE-T copper host ports up to 30m
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NPV/NPIV FCoE edge virtualization for unified LAN-SAN data center convergence
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POAP zero-touch automatic provisioning for mass rack FEX deployment
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Port security, static MAC locking to restrict unauthorized server/storage device attachment
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Auto-sensing 1G/10G operation on all RJ45 host ports without transceiver replacement
QoS & Traffic Prioritization
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Four hardware priority queues per port (both 10GBASE-T copper and 10G SFP+ fabric uplinks)
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Ingress policing, egress bandwidth shaping to throttle low-priority tape backup and replication traffic
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Pre-built QoS templates optimized for OLTP databases, all-flash NVMe storage, virtual server workloads and tape archives
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DCBX auto-negotiation for lossless FCoE LAN/SAN traffic over CAT6a copper cabling
Monitoring & Automation Tools
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Cisco DCNM centralized converged fabric monitoring, provisioning and REST API automation
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Real-time streaming telemetry: port throughput, latency, frame error counters, SFP optical transmit power diagnostics
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Fault alert notifications via email, syslog and SNMP traps
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GOLD Generic Online Diagnostics for continuous FEX hardware health validation without production traffic interruption
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Unified bulk firmware upgrade: Single command on parent switch upgrades all attached FEX devices simultaneously
6. Typical Deployment Scenarios for N2K-C2232TM FEX
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Virtualized leaf-spine data center copper 10G rack expansion: 32-port 10GBASE-T design leverages existing CAT6a copper cabling for high-density virtualization servers; eight 10G fabric uplinks deliver redundant high-bandwidth connectivity to the parent ToR switch
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Enterprise unified LAN/FCoE storage rack: Cost-effective 10G copper solution for medium-scale all-flash storage arrays, consolidating virtual server traffic and lossless FCoE storage on a single FEX chassis
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Mid-tier blade server rack access extension: Compact 1RU form factor pairs with blade server enclosures, expanding 10G copper port density without consuming extra high-value 10G ports on the parent core switch
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Legacy Gigabit data center migration: Smooth transition path from 1G to 10G server access, reusing existing rack copper cabling infrastructure while maintaining single-pane unified fabric management
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Medium multi-tenant PoP edge access: High-density 10G copper rack-level port expansion with complete VLAN isolation controlled on the upstream core parent switch
7. Standard Package Contents of N2K-C2232TM Bare Chassis SKU
1 × N2K-C2232TM Nexus 2232TM 1RU Fabric Extender bare chassis (no power supplies, fan trays or SFP+ transceivers)
19-inch standard rack mounting rails, front cable management brackets
Cisco hardware installation guide, global safety & compliance documentation
Separately Mandatory Components (Not Included in This Bare Chassis Bundle)
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One or two hot-swappable AC power supplies (dual PSUs recommended for N+1 power redundancy, airflow matched to fan trays)
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One or two matching hot-swappable fan trays (dual fans recommended for cooling redundancy; airflow must align with power supplies to avoid thermal faults)
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SFP+ optical transceivers, Twinax DAC copper cables and FET-10G transceivers for eight 10G fabric uplink ports
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Optional feature software licenses: All fabric, routing and storage features are licensed on the parent upstream Nexus switch, no separate FEX licenses required
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RS232 serial console rollover cable, mini USB console cable, fiber/copper patch cords, rack cable management accessories, lockable front door, air filter panel
Short Commercial Catalog Summary for Quotation
Cisco N2K-C2232TM is an End-of-Sale bare 1RU copper 10G Fabric Extender (FEX) from the Nexus 2000 remote I/O platform, featuring 32 fixed auto-sensing 1/10GBASE-T RJ45 copper host ports plus eight SFP+ 10G fabric uplink ports for attachment to upstream Nexus parent switches. This stateless bare chassis does not include power supplies, fan trays or SFP+ transceivers (all FRUs purchased separately); all switching, security, QoS and SAN convergence functions are configured and managed centrally on the parent NX-OS switch. It supports dual airflow configurations (port-side intake / port-side exhaust) for flexible hot/cold aisle rack layouts, a fixed 4:1 oversubscription ratio, lossless FCoE transport over CAT6a copper cabling up to 30 meters via IEEE DCB standards, zero-touch provisioning and synchronized bulk firmware upgrades. Optimized for cost-effective 10G copper server rack expansion and medium enterprise unified LAN/SAN virtualized data center deployments, limited by standard 8MB fixed packet buffer, copper-only host port design, stateless remote I/O architecture and expired official hardware support lifecycle. Compliant with global safety, EMI, NEBS Level 3 and RoHS 6 industrial standards.
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