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by Cisco
Product Line: Cisco Nexus 5000 Series
Product Type: Switch
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Original price $0.00 - Original price $0.00
Original price
$0.00 - $0.00
Current price $0.00
Title: Surplus

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Product Description

The N5K-C5648Q Cisco Nexus switch supports up to 48 40 GbE and FCoE ports with the base chassis and two expansion modules, and can extend its fabric up to 48 through the Cisco Nexus 2200 and 2300 platforms. It facilitates up to 192 10 GbE interface ports using breakout cables, and offers a comprehensive Layer 2 and Layer 3 support with up to 4000 VLANs and 4096 Layer 3 VLANs, respectively. With a forwarding rate of 3.84 Tbps for Layer 2 and 2856 Mpps for Layer 3, alongside a low latency of approximately 1 µs and a buffer of 25 MB, this switch is designed for high-performance, scalable networking.

FAQs for the N5K-C5648Q

  • Q: What is the maximum number of 40 GbE and FCoE ports available?
    A: Up to 48, with the base chassis and 2 expansion modules.
  • Q: Can the device support fabric extension?
    A: Yes, up to 48 through Cisco Nexus 2200 and 2300 platforms.
  • Q: How many 10 GbE interface ports can be supported?
    A: Up to 192, when using a breakout cable.
  • Q: What is the number of VLANs supported?
    A: Up to 4000 for Layer 2 and up to 4096 for Layer 3.
  • Q: How many ACL entries can be supported?
    A: Up to 4000 ACL entries are supported.
  • Q: What are the MSTP instance capabilities of the device?
    A: The device supports 64 MSTP instances.
  • Q: How many IPv4 host prefixes are supported?
    A: Up to 32,000 IPv4 host prefixes can be supported.
  • Q: What is the range of the operating temperature?
    A: The operating temperature ranges from 0 °C to 40 °C.
  • Q: What is the Layer 2 and Layer 3 forwarding rate?
    A: Layer 2 forwarding is 3.84 Tbps, and Layer 3 forwarding is 2856 Mpps.
  • Q: What are the dimensions of the device?
    A: The height is 3.5 in., width is 17.3 in., and depth is 30 in.

Product Review

The CISCO N5K-C5648Q offers extensive connectivity options, supporting up to 48 40GbE and FCoE ports and up to 192 10GbE ports with breakout cables, alongside seamless fabric extension through Cisco Nexus 2200 and 2300 platforms. While it boasts a high capacity for VLANs, ACL entries, and both IPv4 and IPv6 hosts, making it suitable for large and dynamic networks, its operational temperature range is limited to 0°C to 40°C, potentially restricting deployment in environments with extreme temperatures. Additionally, its impressive low latency of approximately 1 µs and a substantial 25 MB buffer enhance performance for high-speed data transmission and intensive workloads, although its depth of 30 inches may require ample rack space.


The CISCO N5K-C5648Q is a high-capacity, scalable, and flexible networking solution designed to meet the demands of modern data centers. This switch is equipped with hardware specifications that enable efficient data handling, high-speed connectivity, and reliable network performance across a wide range of applications. At the core of its capabilities, the N5K-C5648Q supports up to 48 40 GbE and FCoE ports with the base chassis and two expansion modules. For environments requiring higher port density, up to 192 10 GbE interface ports can be achieved using breakout cables. This level of flexibility ensures that the switch can accommodate various network designs and bandwidth requirements. The device also offers fabric extension capabilities, allowing up to 48 connections through Cisco Nexus 2200 and 2300 platforms. This feature enables seamless integration and scalability within the network infrastructure, facilitating efficient data center management and operation.
  • Support for up to 4000 VLANs in Layer 2 and up to 4096 in Layer 3 configurations ensures comprehensive network segmentation and efficient traffic management.
  • The switch can handle up to 4000 ACL entries, providing robust security features and precise access control.
  • With support for 64 MSTP instances, the switch offers enhanced network reliability and optimized path selection.
The N5K-C5648Q is designed to support a large number of host prefixes, with up to 32,000 IPv4 and 8,000 IPv6 host prefixes. It also supports up to 8,000 IPv4 multicast routes and up to 4000 VRF entries, enabling efficient routing and forwarding of multicast traffic as well as virtualization capabilities. Each port on the switch is equipped with 8 unicast and 8 multicast queues, ensuring efficient traffic prioritization and bandwidth allocation. The switch dimensions are 3.5 inches in height, 17.3 inches in width, and 30 inches in depth, making it a compact solution for data centers with space constraints. Operating temperature ranges from 0 °C to 40 °C, with storage temperature tolerance between -40 °C and 70 °C. The humidity range is from 5% to 95% noncondensing, ensuring the switch operates reliably under various environmental conditions. The N5K-C5648Q boasts a Layer 2 forwarding capacity of 3.84 Tbps and a Layer 3 forwarding rate of 2856 Mpps, demonstrating its capability to handle significant data volumes with minimal latency, approximately 1 µs. It also features a 25 MB buffer to accommodate bursty traffic, ensuring smooth data transmission. With support for up to 256,000 combined MAC addresses and ARP entries, the N5K-C5648Q can manage large-scale network environments efficiently. This vast address handling capability, coupled with the device's forwarding capacities, makes it an ideal choice for data centers requiring high performance, scalability, and reliability in their networking hardware.


Part NumberCISCO N5K-C5648Q
Max 40GbE and FCoE Ports48 (Includes Base Unit + 2 Add-on Modules)
Max 10GbE Ports192 (Utilizing Breakout Cables)
Fabric Extender CompatibilitySupports up to 48 via Nexus 2200 and 2300 Series
VLANs CapabilityUp to 4000 in Layer 2, 4096 in Layer 3
ACL Entries CapacityUp to 4000
MSTP Instance Count64
IPv4 Host RoutesUp to 32,000
IPv6 Host RoutesUp to 8,000
IPv4 Multicast PathsUp to 8,000
VRF Entry LimitUp to 4000
Unicast Queue Per Port8
Multicast Queue Per Port8
Unit Height3.5 inches
Unit Width17.3 inches
Unit Depth30 inches
Operating Temperature Low0°C
Operating Temperature High40°C
Storage Temperature Low-40°C
Storage Temperature High70°C
Operational Humidity Range5% to 95%, non-condensing
Layer 2 Switching Capacity3.84 Terabits per second
Layer 3 Switching Capacity2.856 Billion packets per second
MAC and ARP Table SizeUp to 256,000 entries
Network LatencyApprox. 1 microsecond
Packet Buffer Size25 Megabytes

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