Cisco N3K-C3172-BD-L3 Networking Switch
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N3K-C3172-BD-L3 Cisco Systems Nexus 3172PQ, Rev Airflow ( FD Refurbished

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Part Number#: N3K-C3172-BD-L3
List Price was: $25676.92
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Short Description:
N3K-C3172-BD-L3 Systems Nexus 3172PQ 40 Gigabit Ethernet Expansion Slots 48 Ports 10 Gigabit Ethernet Expansion Slots 40GBase-X 10GBase-X QSFP+ SFP+ Manageable Layer 3 Rack-mountable 1U Modular Switch | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

Performance and Scalability

The N3K-C3172-BD-L3 Cisco Nexus 3172PQ switch is a high-performance, low-latency, layer 3 switch designed for data center and enterprise environments. The switch is built on a scalable and modular architecture, which allows it to deliver high performance and throughput for both high-speed access and high-speed aggregation.


The N3K-C3172-BD-L3 switch offers high-performance capabilities with a switching capacity of up to 1.44 Tbps, which allows for high-speed traffic handling. It also features 72 fixed 40-Gigabit Ethernet (GE) QSFP+ ports, which provide high-density connectivity for servers and storage devices. Additionally, the switch supports a wide range of advanced features, including Layer 2 and Layer 3 forwarding, virtual PortChannel (vPC) technology, and access control lists (ACLs).


The N3K-C3172-BD-L3 switch is designed to be highly scalable, with support for up to 2304 virtual interfaces (VLANs). It also supports a wide range of protocols, including Border Gateway Protocol (BGP), Open Shortest Path First (OSPF), and Multiprotocol Label Switching (MPLS), which enable it to scale to meet the needs of even the largest data center environments.

The switch is also highly modular, with support for hot-swappable power supplies and fans, which allows for easy upgrades and maintenance. Additionally, the switch supports Cisco's Data Center Network Manager (DCNM) software, which provides a single management interface for multiple switches and helps to simplify the management of large-scale data center networks.

In terms of airflow, the N3K-C3172-BD-L3 switch is available in both front-to-back (airflow direction from front to back) and back-to-front (airflow direction from back to front) configurations, allowing it to be deployed in a variety of different data center environments.

Network Security Features

The N3K-C3172-BD-L3 Cisco Systems Nexus 3172PQ is a high-performance, low-latency, and energy-efficient switch that is designed for data center environments. It offers a range of network security features that ensure the confidentiality, integrity, and availability of data. Some of the key network security features of this switch are:

  • Access Control Lists (ACLs): ACLs are used to control traffic flow on the network. They allow or deny access to network resources based on defined rules.
  • Port Security: This feature allows you to restrict access to specific ports on the switch. It prevents unauthorized access to the network by limiting the number of MAC addresses that can be learned on a port.
  • Secure Shell (SSH): SSH is a secure protocol that is used to access the switch remotely. It encrypts all data exchanged between the switch and the client, preventing eavesdropping and data tampering.
  • Network Address Translation (NAT): NAT is used to translate private IP addresses into public IP addresses. It helps to protect the internal network from unauthorized access by hiding the actual IP addresses.
  • Virtual Private Network (VPN): VPN is used to create a secure connection between remote networks. It encrypts all data exchanged over the network, preventing eavesdropping and data tampering.
  • Spanning Tree Protocol (STP): STP is used to prevent network loops that can cause network failures. It ensures that only one path is active at a time, and it disables the redundant paths.
  • Link Aggregation Control Protocol (LACP): LACP is used to combine multiple physical links into a single logical link. It provides increased bandwidth and redundancy, and it ensures that the network remains available in case of link failure.
  • Dynamic Host Configuration Protocol (DHCP): DHCP is used to automatically assign IP addresses to devices on the network. It ensures that all devices have a unique IP address, and it reduces the risk of IP address conflicts.

Management and Configuration Options

The N3K-C3172-BD-L3 Cisco Systems Nexus 3172PQ is a high-performance, low-latency switch that offers advanced management and configuration options. It is designed to support the requirements of modern data center environments and can handle high-density, high-bandwidth applications.

Management options:

  • CLI (Command Line Interface) - This is the most commonly used management option for network engineers. It offers a powerful set of commands that can be used to configure and manage the switch.
  • GUI (Graphical User Interface) - The GUI offers an intuitive interface for managing and configuring the switch. It is useful for users who are not familiar with the CLI.
  • SNMP (Simple Network Management Protocol) - SNMP can be used to monitor the performance and health of the switch. It allows network administrators to receive notifications about critical events and take corrective action.
  • Syslog - Syslog can be used to capture and store system messages. This is useful for troubleshooting issues and analyzing the performance of the switch.

Configuration options:

  • VLANs - The switch supports up to 4096 VLANs, which can be used to segment the network and improve performance.
  • Link aggregation - The switch supports Link Aggregation Control Protocol (LACP) and can be used to create link aggregation groups for increased bandwidth and redundancy.
  • Quality of Service (QoS) - The switch supports QoS and can be used to prioritize traffic and ensure that critical applications receive the necessary bandwidth.
  • Access control - The switch supports various access control features, including MAC filtering, port security, and DHCP snooping.

General Information

  • Manufacturer Cisco Systems, Inc
  • Manufacturer Part Number N3K-C3172-BD-L3
  • Brand Name Cisco
  • Product Line Nexus
  • Product Series 3000
  • Product Model 3172PQ
  • Product Name Nexus 3172PQ Layer 3 Switch
  • Product Type Layer 3 Switch


  • Uplink Port No
  • Modular Yes
  • Stack Port No
  • Port/Expansion Slot Details 48 x 10 Gigabit Ethernet Expansion Slot
  • Port/Expansion Slot Details 6 x 40 Gigabit Ethernet Expansion Slot


  • Media Type Supported Twisted Pair
  • Media Type Supported Optical Fiber
  • Ethernet Technology 40 Gigabit Ethernet
  • Ethernet Technology 10 Gigabit Ethernet
  • Network Technology 40GBase-X
  • Network Technology 10GBase-X

I/O Expansions

  • Number of Total Expansion Slots 54
  • Expansion Slot Type SFP+
  • Expansion Slot Type QSFP+
  • Number of SFP+ Slots 48

Network & Communication

  • Layer Supported 3
  • Management & Protocols
  • Manageable Yes

Power Description

  • Power Source Power Supply
  • Redundant Power Supply Supported Yes
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

About Refurbished Products

Refurbished products are typically refurbished by an Original Manufacturer or an affiliate of the manufacturer or 3rd party facility. This product may have minor blemishes due to normal product usage and doesn't necessarily come with documentation and software unless indicated, but has been well tested and generally has never had any defects.

Here, you can check more available conditions of your desired product N3K-C3172-BD-L3 at a competitive price. We are trying our best to meet your needs on the enterprise-level computer, server, data centre, and networking hardware. You are welcome to ask our live chat or get live representative support over the phone.


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ALLHDD guarantees that the products will not have defects in material that will affect the product's functionality during the Standard Warranty Period. The warranty period starts when the merchandise/items from our warehouse.

What does ALLHDD.Com warranty cover?

30-days to 3 years warranty:

Replacement or refund. In the case of material defects, we will try to replace the product first. The product will be replaced before the expiration of the original warranty. For any failure of hardware, if we cannot process the replacement of the product(s)/model(s), we will refund the original selling/invoiced price. The shipping costs and sales tax, if any, are non-refundable. ALLHDD retains the right to decide whether the item(s) will process for replacement or refund.

What is not covered by our warranty?

The reason why our warranty does not cover any problem caused by the following conditions:

(a) misuse of hardware; accidental damage; carelessness product(s) damage; shock; temperature beyond the specification of any product; faulty installation; operation; modification of goods;

(b) any misuse outside the instructions in the user manual for any specific product;

(c) damaged caused by other hardware or equipment. The warranty will void if the item is returned with physical damage, damage to the retail box, removed from the box, counterfeit labels/labelled by them, or any modifications of internal and external covers. Data loss or damages to any other equipment we do not cover by our offered warranty.

What is the Manufacturer/Brand Warranty?

In general, a manufacturer's warranty service/support is a written guarantee to the buyer of a product. Its terms assure the replacement or repair of the product, if necessary, within a specified period after the purchase (2-5 years depending on the brand/manufacturer). It is typically included in the price of the product. Products are brand new and sealed and the original manufacturer box is complete with the Manufacturer's genuine warranty. For most of the brand new/retail products that come with the manual and box, exceptions may apply (i.e., Cisco, Juniper Networks).

For the server parts (i.e., Dell, HPE) to get Full coverage of the warranty server must have a full 3- 5 years warranty. However, ALLHDD.COM will cover the warranty duration if any Manufacturer doesn't support the advertised warranty and there is no refund for those.
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Worldwide Shipping Options:

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Important notes:

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