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by Cisco
Product Line: Cisco 2248TP-E Series Series
Product Type: Fabric Extender
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Product Description

The N2K-C2248TP-E-1GE is a Cisco Fabric Extender with 48 100M 1/10GBASE-T ports utilizing RJ‑45 connectors, designed for seamless integration with Cisco Nexus 5000, 6000, 7000, and 9000 Series switches. It supports a fabric speed of 40 Gbps in each direction, hardware forwarding at 176 Gbps or 131 Mpps, and operates efficiently with a power consumption of 95 W and heat dissipation of 322 BTU/Hour. This unit is equipped with 2 power supplies, 4 fans, and can function up to 10 km away from its parent Nexus switch, ensuring reliable performance across extended distances.

FAQs for the N2K-C2248TP-E-1GE

  • What is the maximum distance between the Fabric Extender and Cisco Nexus 5000 or 6000 Series Switch?
    The maximum distance is up to 10 km.
  • How many power supplies does the device have?
    The device is equipped with 2 power supplies.
  • What type of Fabric Extender Host Interface does the device support?
    It supports 100M 1/10GBASE-T Ports with RJ‑45 connectors.
  • What is the input power requirement for the device?
    The device requires 95 W of input power.
  • Can you list the Cisco parent switches that are compatible with this Fabric Extender?
    Compatible Cisco parent switches include the Cisco Nexus 5000 Series, Cisco Nexus 6000, Cisco Nexus 7000 Series, and Cisco Nexus 9000 Series.
  • What are the dimensions of the device?
    The dimensions are 1.72 x 17.3 x 17.7 inches (H x W x D).
  • What is the fabric speed of the device?
    The fabric speed is 40 Gbps in each direction.
  • What is the performance capability of the hardware forwarding?
    Hardware forwarding is capable at 176 Gbps or 131 Mpps.
  • What software versions are supported by this device?
    Supported software includes Cisco NX-OS Software Release 5.1(3)N(1)1 for the Cisco Nexus 5000 Series, Release 6.0 and later for the Cisco Nexus 6000 Series, Release 6.1(1) on the Cisco Nexus 7000 Series, and Release 6.1 on the Cisco Nexus 9000 Series.
  • What are the environmental operating conditions for the device?
    Operating temperature ranges from 0 °C to 40 °C, with humidity from 5% to 95%, and altitude up to 10000 ft.

Product Review

The Cisco N2K-C2248TP-E-1GE offers high-density 1GE ports and compatibility with a wide range of Cisco Nexus Series switches, making it a versatile option for expanding network capacities. However, its oversubscription rate of 1.2:1 might limit performance in high-demand environments. Additionally, the unit's dual power supplies and quadruple fan design provide redundancy, but the 95W power consumption and 322 BTU/hour heat dissipation could be a concern for energy-efficient operations.


The Cisco N2K-C2248TP-E-1GE is a Fabric Extender designed to extend the network fabric. This unit is compatible with Cisco Nexus 5000, 6000, 7000, and 9000 Series switches, providing a flexible solution for data center architectures. With 48 1/10GBASE-T ports featuring RJ‑45 connectors, this Fabric Extender facilitates connections over copper cabling, supporting distances up to 10 km between the extender and parent Cisco Nexus switches. This device ensures efficient hardware forwarding at rates of 176 Gbps or 131 million packets per second (Mpps), underlining its capability for handling high-bandwidth applications. The fabric speed reaches 40 Gbps in each direction, with an oversubscription ratio of 1.2:1, balancing performance with high-density port configuration. The N2K-C2248TP-E-1GE is engineered for resilience, equipped with two power supplies and four fans. This redundancy enhances the system’s reliability, ensuring uninterrupted operation. The power consumption is rated at 95 W, with heat dissipation measured at 322 BTU/Hour, indicative of its energy efficiency. Key specifications include: - Input power of 95 W and an input current requirement of 1 A, with an output current of 8 A. - Operating temperature ranges from 0 °C to 40 °C, allowing deployment in varied environments. Nonoperating temperature tolerance extends from -20 °C to 70 °C. - Operating humidity ranges from 5% to 95%, accommodating a wide range of atmospheric conditions. It can operate at altitudes of up to 10,000 ft, ensuring versatility in installation locations. The device's dimensions are 1.72 x 17.3 x 17.7 inches, weighing 17.7 lbs, making it a compact yet powerful addition to any data center. For ease of management and status monitoring, it features system status, port status, locator LED, fan status, and power status indicators. Supported by Cisco NX-OS Software across various releases, this Fabric Extender is designed for seamless integration with existing Cisco infrastructure, ensuring compatibility and simplifying network expansions. Specific software support spans from Cisco NX-OS Software Release 5.1(3)N(1)1 for the Cisco Nexus 5000 Series to Release 6.1 on the Cisco Nexus 9000 Series, covering a broad range of network requirements and configurations. In summary, the Cisco N2K-C2248TP-E-1GE Fabric Extender is a scalable, efficient, and reliable solution for extending the reach of Cisco Nexus Series switches within data centers. Its comprehensive features and specifications make it a versatile choice for organizations looking to enhance their network infrastructure.


Item Number and Make Cisco N2K-C2248TP-E-1GE
Port Speed 1 Gbps
Power Supply Count 2
Fan Quantity 4
Host Interface Count for Fabric Extenders 48
Type of Host Interface for Fabric Extenders 100M/1G/10G BASE-T with RJ-45
Power Consumption 95 Watts
Maximum Distance to Cisco Nexus 5000 or 6000 Series Up to 10 kilometers
Data Rate of Fabric 40 Gbps bidirectional
Rate of Oversubscription 1.2 to 1
Data Processing Rate 176 Gbps or 131 Mpps forwarding rate
Compatible Parent Switch Models Cisco Nexus 5000, 6000, 7000, 9000 Series
Supported Operating Systems NX-OS Release 5.1(3)N(1)1 for 5000 Series, 6.0+ for 6000 Series, 6.1(1) for 7000 Series, 6.1 for 9000 Series
Dimensions (H x W x D) 1.72 x 17.3 x 17.7 inches
Unit Weight 17.7 pounds
Diagnostic Indicators System, Port, Locator LED, Fan, Power Status
Operating Temperature Range 0 to 40 °C
Non-operating Temperature Range -20 to 70 °C
Humidity Range During Operation 5% to 95%
Altitude Operation Limit 0 to 10,000 feet
Input Current Specification 1 Ampere
Output Current Specification 8 Amperes
Thermal Output 322 BTU/Hour

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