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N2K-C2248TP-E
Cisco N2K-C2248TP-E Nexus 2248TP-E 48-Port Gigabit Switch, 4...
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N2K-C2248TP-E is a parent-managed Layer 2 fabric extender for data center server access, with 48 copper 100/1000BASE-T host ports and four fixed 10G SFP+ fabric interfaces. The Nexus 2248TP-E provides 32 MB shared packet buffering for workloads such as large-volume databases, distributed storage, and video editing. Its non-PoE host interfaces provide Ethernet connectivity rather than endpoint power. The rack-mount 1U assembly belongs to Cisco Nexus 2000 Series Fabric Extenders and extends a compatible parent switch instead of operating independently. The discontinued N2K-C2248TP-E-1GE= is the spare-chassis variant, rather than the complete two-supply assembly supplied under this PID.
N2K-C2248TP-E price for new stock is $2,724.75, a 80.9% saving from the Cisco list price of $14,287.00. N2K-C2248TP-E refurb price is $897.35. N2K-C2248TP-E is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for N2K-C2248TP-E for additional pricing. Browse the full Cisco Nexus 2200 Fabric Extenders series or explore all Cisco products.
176 Gbps switching capacity specifies the hardware forwarding capability, while 131 Mpps defines packet processing for server traffic. Fabric bandwidth is 40 Gbps in each direction, with 1.2:1 oversubscription that must remain distinct from the forwarding-engine rating. Eight hardware queues per port support per-port QoS, including Weighted Round Robin scheduling and strict-priority egress treatment. Jumbo frames reach 9216 bytes when connected equipment uses compatible settings. N2K-C2248TP-E exposes management through the parent's CLI, SNMP v1/v2/v3, XML NETCONF interface, and Cisco Data Center Network Manager; independent Layer 3 routing is not a fabric-extender function. Facility power planning should allow for 110W maximum input draw rather than treating an installed supply's output rating as consumption; typical input power is 95W.
Order N2K-C2248TP-E new sealed or certified refurbished, and put the condition, quantity, included components, and required accessories on the PO. Certified refurbished units are inspected and bench-tested for power-on and POST, rated-speed links on every port, clean boot, optics bay recognition, PSU status, and fan status. ORM warranties provide up to a 3-year extended term for new units and up to 1 year for certified refurbished units; 30-day returns apply to every condition, terms apply. For enterprise and volume requirements, POs are accepted with Net-30 for government buyers, plus regional stock and RMA with advance replacement across the UK, EU, US, and MEA.
| Key Specs | Key Spec Values |
|---|---|
Operating System | NX-OS through the parent switch |
Port Configuration | 48 x 100/1000BASE-T / 4 x 10G SFP+ |
Max Power Draw | 110W |
Cooling | 1 N2K-C2248-FAN / N2K-C2248-FAN-B fan tray |
Lifecycle Status | End of sale August 24, 2022 |
Replacement PID | N9K-C9348GC-FXP / Cisco remanufactured N2K-C2248TP-E-RF |
In a cloud data center hosting 48 hyper-converged servers per rack, the N2K-C2248TP-E-1GE (48x1G + 4x10G) with configurable airflow and redundant PSU serves as a Top-of-Rack aggregator. It delivers wire-speed layer-2/3 switching for east-west VM traffic, simplifies cabling through 48 copper ports and four 10Gb uplinks, and supports front-to-back or back-to-front cooling. Benefit: maximized throughput and low latency for virtualized workloads, seamless scaling, and high availability with dual hot-swap power supplies.
On a multi-floor corporate campus supporting 200+ users per floor, the N2K-C2248TP-E-1GE deploys as an access switch to connect desktops, IP telephony gateways, and wireless controllers via 1Gb ports. Four 10Gb SFP+ uplinks aggregate traffic to the core, while redundant power supplies and flexible airflow ensure nonstop operation in diverse rack environments. Benefit: consistent gigabit access, simplified VLAN segmentation, and built-in fault tolerance for uninterrupted voice, video and data services.
In a research lab’s high-performance computing cluster, the N2K-C2248TP-E-1GE consolidates 48 node management interfaces over 1Gb Ethernet and links to central controllers with four 10Gb SFP+ ports. The switch’s airflow option adapts to hot-aisle/cold-aisle layouts and its dual PSUs guarantee continuous monitoring. Benefit: streamlined rack-mount installation, low-latency cluster management, and enhanced reliability for mission-critical compute workloads.
When replacing an installed N2K-C2148T-1GE, review its service components separately from the fabric extender itself. N2K-PAC-200W belongs to the older chassis, not the replacement assembly. Record the existing component inventory, then confirm the replacement's power and cooling configuration before carrying any predecessor accessory onto the purchase order.
During a live fan-tray exchange, replacement must occur within 60 seconds. A maintenance-spares order should therefore identify N2K-C2248-FAN or N2K-C2248-FAN-B according to the installed airflow direction. Confirm the exact fan PID and the planned replacement procedure before approving the purchase order for the retained installation.
For staging against a retained Cisco Nexus 7000 parent, host-facing interfaces should use autonegotiation rather than a forced data rate. Include that interface-setting check in the acceptance plan before equipment arrives. Record the parent hardware and software combination on the purchase order so staging uses the intended configuration.
Independent switch operation
N2K-C2248TP-E requires a compatible parent Nexus switch for control and configuration. N9K-C9348GC-FXP is the current replacement switch, rather than another fabric extender.
10G copper server connections
N2K-C2248TP-E limits copper host connections to 100/1000BASE-T. Its 10G SFP+ interfaces connect to the parent switch, so they cannot provide 10GBASE-T host connectivity.
Continuing Cisco security maintenance
N2K-C2248TP-E stopped receiving planned vulnerability and security remedies on August 23, 2025. The later hardware service deadline does not extend that security-maintenance window.
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| N2K-C2248TP-E |  N2K-C2232TM-E |  N2K-C2232PP |  N2K-C2348TQ |  N2K-C2232TF-E | |
|---|---|---|---|---|---|
| Depth | 449.6 mm | 449.6 mm | 449.6 mm | 433.6 mm | 449.6 mm |
| Ethernet Technology | Gigabit Ethernet | 10 Gigabit Ethernet | 10 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-C2248TP-E | N2K-C2232TM-E | N2K-C2232PP | N2K-C2348TQ | N2K-C2232TF-E |
| Power Consumption | 110W | 300W | 270W | 350W | 300W |
| Switching Capacity | 176 Gbps | 800 Gbps | 800 Gbps | 480 Gbps | 800 Gbps |
| Weight | 8 kg | 8.4 kg | 8.3 kg. | 8 kg. | 8.4 kg |
| Width | 439.4 mm | 439.4 mm | 439.4 mm | 439.4 mm | 439.4 mm |
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Reviewed on the 10 May 2018
48x1GE ports and 4x10GE uplinks provided reliable access-layer connectivity.
Reviewed on the 5 June 2018
Compact and professional-grade for enterprise wiring closets.
Reviewed on the 6 February 2018
Easy to deploy with predictable performance.
Reviewed on the 11 October 2025
Cisco reliability ensured minimal downtime and maintenance.
Reviewed on the 16 November 2023
Handles mixed traffic efficiently with stable operation.
N2K-C2248TP-E identifies a Nexus 2000 fabric extender in the Nexus 2248TP-E model line. The C2248TP portion corresponds to 48 copper 100/1000BASE-T host ports; the -E variant provides 32 MB shared buffering. The complete configuration also has four 10G SFP+ fabric interfaces, two power supplies, and one fan module.
Nexus 2248TP-E uses its parent switch for CLI, SNMP v1/v2/v3, XML NETCONF, CiscoWorks, and Cisco Data Center Network Manager management. Management is in-band, and configuration remains associated with the parent rather than an independently administered fabric extender. Specify the intended parent and administration tools when preparing the order.
N2K-C2248TP-E reached end of sale on August 24, 2022, and Cisco's last date of support is August 31, 2027. Planned vulnerability and security remedies ended August 23, 2025. Existing hardware service depends on entitlement; the later support date does not mean security maintenance continues.
New sealed and certified refurbished N2K-C2248TP-E units carry ORM warranties of up to 3 years extended and up to 1 year, respectively. Both conditions include 30-day returns, terms apply. Cisco's separate 1-year limited hardware warranty is subject to eligibility, and Cisco service ends August 31, 2027.
N2K-C2248TP-E replaced N2K-C2148T-1GE, N2K-C2224TP, N2K-C2224TP-1GE, N2K-C2248TP, and N2K-C2248TP-1GE. N2K-C2148T-1GE reached end of sale November 24, 2012; the remaining four reached end of sale November 2, 2016. All five predecessors are discontinued. Component compatibility still needs checking when replacing older installed fabric extenders.
N2K-C2248TP-E provides four fixed 10G SFP+ fabric interfaces for the parent connection. Supported choices include FET-10G, SFP-10G-SR, SFP-10G-LR, and SFP-H10GB-CU3M. Select the connection type for the parent-side port and required reach; those uplinks are fabric connections, not additional copper server ports.
N2K-C2248TP-E supports 176 Gbps hardware switching capacity and 131 Mpps forwarding. The fabric connection provides 40 Gbps in each direction, or 80 Gbps full duplex, with 1.2:1 oversubscription. Capacity planning should distinguish the forwarding engine's rating from the bandwidth available toward the parent switch.
N2K-C2248TP-E ships as a two-supply assembly with configurable power and airflow. AC choices include N2200-PAC-400W and N2200-PAC-400W-B; DC choices include N2200-PDC-400W and N2200-PDC-350W-B. Match supply airflow with N2K-C2248-FAN or N2K-C2248-FAN-B, and specify the installed supply PIDs rather than assuming a single default configuration.
No, Nexus 2248TP-E is a fabric extender, not a stackable standalone switch. Multiple fabric extenders can attach to a compatible parent, but that arrangement creates a distributed system rather than a hardware stack. The permissible number and topology depend on the parent switch and its software.
Nexus 2248TP-E has a 32 MB shared packet buffer for large-volume databases, distributed storage, and video-editing workloads. The buffer is a shared pool rather than a per-port capacity figure. When building the parts list, confirm that this enhanced-buffer fabric extender matches the traffic characteristics of the retained server environment.
N2K-C2248TP-E is a complete two-supply assembly, while N2K-C2248TP-E-1GE= is a spare chassis without power or cooling assemblies. Both PIDs are discontinued. The complete assembly addresses an assembled replacement; the spare PID describes chassis-only maintenance using existing compatible components, rather than an equivalent ready-to-install order.
N9K-C9348GC-FXP adds four 10/25G interfaces and two 40/100G QSFP28 interfaces, whereas N2K-C2248TP-E has four 10G fabric interfaces. Both configurations provide 48 copper 100/1000BASE-T ports. The current replacement suits migration to a Nexus switch; the discontinued fabric extender suits retained parent-managed installations.
N2K-C2248TP-E-RF identifies Cisco's remanufactured Nexus 2248TP-E fabric extender, rather than an ORM-certified refurbished unit. The configured Cisco remanufactured assembly includes N2248TP-E-FA-BUN. An order for ORM-certified refurbishment should name the base PID and condition separately, instead of substituting the Cisco remanufactured part number.
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