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N2K-C2348TQ
Cisco N2K-C2348TQ Nexus 2300 48-Port 10 Gigabit Fabric Exten...
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N2K-C2348TQ is a Layer 2 fabric extender for copper server access that depends on a compatible Nexus parent switch. Its 48 RJ-45 host ports support 100M/1/10GBASE-T connections, and six fixed 40G QSFP+ fabric ports provide upstream connectivity. The Nexus 2300 chassis occupies 1U and serves rack or blade servers rather than powered access endpoints. Cisco Nexus 2348TQ deployments retain copper server connections while placing those attachments under the upstream switch's control. The discontinued N2K-C2332TQ reduces host density to 32 ports for smaller existing racks. Specify the server-facing connection requirements and parent configuration together: this hardware operates as a remote line card, not an independently managed switch.
N2K-C2348TQ price for new stock is $19,037.49. N2K-C2348TQ refurb price is $336.76. N2K-C2348TQ is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for N2K-C2348TQ for additional pricing. Browse the full Cisco Nexus 2300 Fabric Extenders series or explore all Cisco products.
480 Gbps full-duplex fabric capacity provides 240 Gbps in each direction; the 2:1 oversubscription limit matters when sizing simultaneous server traffic. Treat that figure as fabric bandwidth rather than an independently operating switching system. 350W maximum input power and 280W typical input power at 30m give electrical planning separate maximum and typical operating points. N2K-C2348TQ uses the parent's CLI, Cisco Data Center Network Manager, CiscoWorks, SNMP and XML/NETCONF for administration. Layer 2 VLAN trunks, PortChannel and jumbo frames to 9216 bytes require compatible parent and host configuration. Host interfaces connect servers or end hosts, not downstream switches or bridges. Routing requirements must therefore be addressed in the upstream design rather than assigned to the fabric extender. The chassis requires no separate fabric-extender license, keeping its purchase distinct from any licensing decision for the parent switch.
N2K-C2348TQ is offered new sealed with ORM's up to 3-year extended warranty or certified refurbished with up to 1 year; every condition includes 30-day returns, with terms applying. Certified refurbished units are inspected and bench-tested for power-on and POST, rated-speed links on every port, a clean boot and optics bay recognition, with firmware verified and configuration wiped to factory default. Specify the condition, airflow selection and connection quantities on the purchase order; Cisco's original 1-year limited hardware warranty and service ended September 30, 2025. ORM Systems accepts POs for enterprise and volume orders, offers Net-30 for government and provides RMA with advance replacement.
| Key Specs | Key Spec Values |
|---|---|
Operating System | NX-OS through the parent switch. |
Port Configuration | 48 x 100M/1G/10GBASE-T / 6 x 40G QSFP+. |
Max Power Draw | 350W. |
Cooling | 3 fans: NXA-FAN-30CFM-F / NXA-FAN-30CFM-B. |
Lifecycle Status | Sale ended September 9, 2020; support ended September 30, 2025. |
Replacement PID | N9K-C93108TC-FX3P; immediate N2K-C2348TQ-E discontinued. |
Scenario: A global cloud provider builds a high-density spine-leaf fabric using the N2K-C2348TQ Nexus 2348TQ with 4 Bidi or 2FET-40G uplinks and 8FET-10G leaf ports to connect thousands of virtualized servers. Benefit: Delivers 2.3 Tbps per chassis, slashes cabling by 50%, and achieves sub-microsecond latency for real-time workloads, accelerating VM provisioning and reducing operational expenses.
Scenario: A research institute interconnects 256 GPU servers for distributed deep learning using the N2K-C2348TQ Nexus 2348TQ with 2FET-40G high-performance uplinks and 8FET-10G downlinks, plus 4 Bidi optics to overcome fiber constraints. Benefit: Provides sub-400 ns jitter and 1.5 Tbps aggregate throughput, scales training clusters seamlessly, and reduces per-port power by 30%, boosting model convergence rates by 40%.
Scenario: A regional service provider aggregates multi-tenant Ethernet at the metro edge using the N2K-C2348TQ Nexus 2348TQ with 4 Bidi 10G ports, 2FET-40G uplinks, and 8FET-10G customer-facing interfaces in an MPLS-TP ring. Benefit: Cuts fiber usage by 50%, delivers sub-50 ms protection switching, and supports 1,000+ customers per chassis with end-to-end SLA assurance, lowering CAPEX and simplifying operations.
Before staging converged server connections, check the cable route against the 30m FCoE host-link limit using Category 6a or Category 7 cabling. That limit makes the server-to-fabric-extender run a separate ordering decision from upstream connectivity. Specify the parent hardware and complete host-cable lengths on the PO.
When stocking replacements for racks with a fixed hot-aisle orientation, pair NXA-FAN-30CFM-F with N2200-PAC-400W for port-side exhaust, or NXA-FAN-30CFM-B with N2200-PAC-400W-B for port-side intake. A spare must match the installed airflow direction rather than only the chassis model. Specify matching component PIDs together on the purchase order.
When standardizing racks that retain Nexus 5600 parents with 10G interfaces, check port-channel membership before copying a native-40G design. Breakout connections allow eight parent-facing links in one port-channel, or four per parent in a dual-homed arrangement. Record the topology and link quantities before issuing site-specific purchase orders.
Standalone switching without a parent
N2K-C2348TQ operates as a remote line card and requires a compatible parent switch. N9K-C93108TC-FX3P is the current migration destination when replacing that architecture with a data center switch.
2.5G or 5G copper access
N2K-C2348TQ host ports support 100M, 1G or 10G, not 2.5G or 5G. N9K-C93108TC-FX3P retains 48 copper ports and supports those intermediate speeds.
100G upstream connections
N2K-C2348TQ provides six 40G fabric interfaces rather than 100G connections. N9K-C93108TC-FX3P supplies six 100G uplinks, but migration requires reviewing the existing parent-dependent design.
Current Cisco manufacturer support
Cisco service for N2K-C2348TQ ended September 30, 2025. N9K-C93108TC-FX3P is the current migration destination for purchases requiring hardware that remains in Cisco's active lineup.
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| N2K-C2348TQ |  N2K-C2348TQ-E |  N2K-C2248TF-E |  N2K-C2232TF-E |  N2K-C2348UPQ | |
|---|---|---|---|---|---|
| Depth | 433.6 mm | 433.6 mm | 449.6 mm | 449.6 mm | 356.9 mm |
| Ethernet Technology | 10 Gigabit Ethernet | 10 Gigabit Ethernet | Gigabit Ethernet | 10 Gigabit Ethernet | 10 Gigabit Ethernet |
| Form Factor | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U | Rack-Mount 1U |
| Height | 43.7 mm | 43.7 mm | 43.7 mm | 43.7 mm | 43.7 mm |
| Manufacturer Part Number | N2K-C2348TQ | N2K-C2348TQ-E | N2K-C2248TF-E | N2K-C2232TF-E | N2K-C2348UPQ |
| Power Consumption | 350W | 350W | 110W | 300W | 200W |
| Switching Capacity | 480 Gbps | 1440 Gbps | 176 Gbps | 800 Gbps | 1440 Gbps |
| Weight | 8 kg. | 8 kg | 8 kg. | 8.4 kg | 7 kg |
| Width | 439.4 mm | 439.4 mm | 439.4 mm | 439.4 mm | 439.4 mm |
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Reviewed on the 15 May 2017
High-density 10GE FEX with FET uplinks provided excellent aggregation.
Reviewed on the 28 April 2024
Compact and professional-grade for seamless integration.
Reviewed on the 27 January 2024
Stable performance under continuous traffic loads.
Reviewed on the 8 September 2023
Reliable Cisco hardware for enterprise environments.
Reviewed on the 23 February 2023
Easy deployment and management with predictable results.
N2K-C2348TQ identifies the Cisco Nexus 2348TQ fabric extender with 48 copper host ports and six 40G QSFP+ fabric interfaces. The host ports support 100M/1/10GBASE-T, and the ordered configuration includes two power supplies and three fan modules. Airflow and power-supply selection form part of the hardware configuration.
Nexus 2300 fabric extenders are managed in-band through their parent Nexus switch using CLI, Cisco Data Center Network Manager, CiscoWorks, SNMP and XML/NETCONF. Administration follows the parent's configuration rather than an independent local management workflow. Identify the parent-switch management environment when preparing the hardware purchase order.
N2K-C2348TQ is discontinued: Cisco sales ended September 9, 2020, and manufacturer support ended September 30, 2025. N2K-C2348TQ-E was the immediate replacement, but that model also reached end of sale on August 24, 2022. The migration chain now leads to the current N9K-C93108TC-FX3P.
ORM Systems offers N2K-C2348TQ new sealed with up to a 3-year extended warranty or certified refurbished with up to 1 year. Both conditions include 30-day returns; terms apply. Cisco's original 1-year limited hardware warranty and manufacturer support ended September 30, 2025. Certified refurbished units are inspected and bench-tested.
N2K-C2348TQ requires no separate fabric-extender license, so there is no chassis-specific license tier or minimum subscription term to add. Software provisioning follows the parent switch rather than a locally selected network-license package. Keep the parent-switch licensing decision separate from the fabric-extender chassis and its connection hardware.
N2K-C2348TQ includes two hot-swappable power supplies in a 1+1 redundant arrangement, with supply type selected for the order. N2200-PAC-400W provides port-side exhaust AC power, while N2200-PAC-400W-B provides port-side intake AC power. Match the chosen supply direction to the cooling configuration and the rack's hot-aisle orientation.
N2K-C2348TQ provides six fixed 40G QSFP+ fabric interfaces for connection to a compatible parent switch. Supported connections include optical transceivers and active copper cables such as QSFP-H40G-ACU7M; passive copper cables are excluded. Specify the connection hardware separately and verify both endpoints before selecting the cable or transceiver quantities.
The Cisco Nexus 2348TQ supports FCoE over Category 6a or Category 7 host cabling to 30m with Nexus 5500, 5600 or 6000 parents. That host-cable limit is separate from upstream fabric-link distance. For converged server orders, verify the adapter, parent switch and complete host-cable route before selecting quantities.
N2K-C2348TQ has 48 copper host ports, whereas N2K-C2332TQ has 32. Both are discontinued fabric extenders, so this comparison concerns existing rack capacity and replacement inventories rather than a current-generation purchase. The higher-density model fits 48-connection requirements; the 32-port model addresses smaller historical rack configurations.
N2K-C2348TQ uses copper RJ-45 host connections, whereas the discontinued N2K-C2348UPQ uses SFP/SFP+ host interfaces. Both provide 48 host ports, so the connection medium separates these configurations rather than density. Copper-connected server racks align with N2K-C2348TQ; existing transceiver-based server connections align with the historical N2K-C2348UPQ configuration.
N9K-C93108TC-FX3P offers six 100G uplinks, whereas N2K-C2348TQ has six 40G fabric interfaces. N2K-C2348TQ is discontinued and suits replacement requirements for an existing fabric-extender installation. N9K-C93108TC-FX3P is the current migration destination for buyers specifying 100G uplinks; review the parent-dependent design rather than assuming a drop-in substitution.
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