Cisco N9K-C9372TX 48 Ports Switch
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N9K-C9372TX Cisco Nexus 9372TX 48 Ports Layer 3 Managed Refurbished

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Part Number#: N9K-C9372TX
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Short Description:
N9K-C9372TX Nexus 9372TX 48 Ports 10GBase T RJ-45 Manageable Quad Small Form Factor Pluggable Plus (QSFP+) Layer 3 Rack-mountable 1U Modular Managed Switch | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

Physical Characteristics and Ports of the N9K-C9372TX Switch

The Cisco Nexus 9372TX is a high-performance, 1RU fixed form-factor switch with 48 ports of 1/10GBASE-T and 6 ports of 40-Gbps uplink. Here are the physical characteristics and ports for the N9K-C9372TX switch:

Physical Characteristics:

  • Power supply: Dual, hot-swappable 750W AC power supplies (redundant)
  • Cooling: Dual redundant fans with hot-swappable fan trays
  • Rack-mountable: Yes, with included mounting kit


  • 48 x 10/100/1000 Mbps RJ-45 ports (IEEE 802.3an)
  • 6 x 40-Gbps QSFP+ ports (IEEE 802.3ba)
  • Management port: 1 x RJ-45, 10/100/1000 Mbps Ethernet (IEEE 802.3)
  • USB Port: 1 x USB 2.0 Type A

The N9K-C9372TX switch also supports various networking protocols, including OSPF, BGP, IS-IS, and MPLS. It also supports advanced features such as virtual PortChannel (vPC), FabricPath, and VXLAN.

Quality of Service (QoS) Configuration on the N9K-C9372TX Switch

To configure Quality of Service (QoS) on the N9K-C9372TX Cisco Nexus 9372TX managed switch, you can follow these general steps:

  • Identify the traffic classes that need QoS treatment: You need to determine the types of traffic that are critical and require priority handling. For example, voice and video traffic are typically classified as high-priority traffic.
  • Define the QoS policies: You need to define the QoS policies based on the identified traffic classes. A QoS policy typically includes a set of rules that define the priority, bandwidth allocation, and queuing parameters for each traffic class.
  • Configure the classification and marking: You need to configure the switch to classify incoming traffic based on the defined policies and mark it with the appropriate priority values. This allows the switch to identify and prioritize the traffic correctly.
  • Configure queuing: You need to configure the switch to allocate appropriate queues and buffer resources for each traffic class. This helps to prevent congestion and ensure that the high-priority traffic gets the required bandwidth and delay guarantees.
  • Verify and monitor: You need to verify that the QoS policies are working as expected and monitor the network traffic to ensure that the high-priority traffic is getting the appropriate treatment.

Troubleshooting Common Issues on the N9K-C9372TX Switch

As a language model, I don't have access to the physical device or its configurations, but here are some common issues and their troubleshooting steps for the Cisco Nexus 9372TX Switch:

  • Port connectivity issue: If a port is not functioning correctly, check the cable connection, and make sure it is properly seated. If the issue persists, check the port configuration to ensure that it is enabled and configured correctly.
  • VLAN configuration issue: If VLANs are not configured correctly, it can lead to connectivity issues. Verify that the correct VLANs are configured on the switch and that all connected devices are configured to use the appropriate VLANs.
  • High CPU utilization: If the CPU utilization is high, it can cause slow performance or even network downtime. Check the logs for any unusual activity, and identify the processes causing the high CPU usage. If possible, adjust the configurations to reduce the CPU usage.
  • Configuration issues: Inaccurate or incorrect configurations can cause various issues with the switch. Verify that the configurations are accurate, and make any necessary changes. It's also a good idea to regularly back up the configurations to prevent loss due to any issues or failures.
  • Power issues: If the switch is not powered on, check the power source and the power supply unit. Make sure that all cables are securely connected, and the power outlet is working correctly.
  • Firmware issues: If the switch is experiencing issues due to outdated firmware, upgrade the firmware to the latest version. Check the manufacturer's website for the latest firmware version and follow the instructions to upgrade the firmware.
  • Hardware issues: If the switch is experiencing issues due to faulty hardware, contact the manufacturer or a qualified technician for assistance in replacing the hardware.

Main Information about this Cisco N9K-C9372TX

  • Manufacturer: Cisco
  • Model Number or SKU# N9K-C9372TX
  • Product Line : Nexus
  • Product Series : 9300
  • Product Model : 9372TX
  • Product Name : Nexus 9372TX Switch
  • Product Type : Layer 3 Switch

Performance of Ethernet Switch

  • Media Type Supported Twisted Pair
  • Ethernet Technology 10 Gigabit Ethernet
  • Ethernet Technology 40 Gigabit Ethernet
  • Network Technology 40GBase-X
  • Network Technology 10GBase-T
  • Number of Total Expansion Slots: 6
  • Expansion Slot Type: QSFP+

Interfaces / Ports for 48 Ports Switch

  • Total Number of Network Ports 48
  • Token Ring Port No
  • LRE Port No
  • Bypass No
  • Modular No
  • Number of Network (RJ-45) Ports 48
  • Port/Expansion Slot Details 6 x 40 Gigabit Ethernet Expansion Slot
  • Port/Expansion Slot Details 48 x 10 Gigabit Ethernet Network

Power Description of Managed Switch

  • PoE (RJ-45) Port No
  • Input Voltage: 120 V AC
  • Input Voltage: 230 V AC
  • Power Source: Power Supply

Management & Protocols

  • Manageable Yes
  • Management-
  • VLAN
  • QoS
  • IGMP

Dimensions & Weight

  • Height: 1.7 Inch
  • Width: 17.3 Inch
  • Depth: 19.7 Inch
  • Weight : 15 Lbs
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.

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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.

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