Cisco C9300-NM-2Y Catalyst 9300 Expansion Module
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Cisco C9300-NM-2Y Catalyst 9300 2 Ports Expansion Module Refurbished

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Part Number#: C9300-NM-2Y
List Price was: $4173.08
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Short Description:
C9300-NM-2Y Catalyst 9300 2X 25G Network Module for Optical Network, Data Networking Optical Fiber25 Gigabit Ethernet 2X Expansion Slots 2 Ports Expansion Module | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

Features and Benefits

The Cisco C9300-NM-2Y Catalyst 9300 2 Ports Expansion Module is a network expansion module designed to provide additional connectivity options and increased network capacity for the Cisco Catalyst 9300 series switches. Some of its key features and benefits include:


  • Two additional network ports: The expansion module provides two additional network ports, allowing for additional devices to be connected to the network.
  • Flexible connectivity: The module supports a range of connectivity options, including copper and fiber connections, allowing for flexible deployment and integration with existing network infrastructure.
  • Plug-and-play installation: The module can be easily installed into the Cisco Catalyst 9300 series switches, with no additional configuration required.


  • Increased network capacity: With the addition of two extra ports, the expansion module can help to increase the network capacity, enabling more devices to be connected to the network and improving overall network performance.
  • Improved network flexibility: The module's support for a range of connectivity options enables greater flexibility in network design and deployment, allowing for more diverse network topologies and deployment scenarios.
  • Scalable network growth: The module provides a scalable solution for network growth, allowing businesses to easily expand their network as their needs grow, without the need for significant infrastructure upgrades.
  • Cost-effective solution: The module is a cost-effective solution for expanding network capacity and connectivity options, providing businesses with a low-cost way to improve their network performance and flexibility.

Security Features

The Cisco C9300-NM-2Y Catalyst 9300 2 Ports Expansion Module is an expansion module for the Cisco Catalyst 9300 series switches that adds additional ports for network connectivity. The module has several security features that help ensure the integrity and confidentiality of network traffic, including:

  • IEEE 802.1AE MACsec encryption: This feature provides hardware-based encryption of traffic between network devices to prevent unauthorized access and interception of data.
  • Secure Boot: The module uses a secure boot process to ensure that only authenticated and authorized software is installed and executed on the module, preventing any malicious software from being installed.
  • Control Plane Policing (CoPP): This feature allows network administrators to control the types and amount of traffic that can access the switch's control plane, reducing the risk of DoS attacks and other threats.
  • Port security: The module supports port security features such as MAC address lockdown, DHCP snooping, and IP source guard, which help prevent unauthorized access to the network by limiting the devices that can connect to a specific port.
  • Multilevel security: The module supports multilevel security features such as RBAC (Role-Based Access Control), which allows network administrators to assign specific privileges to users and groups based on their roles and responsibilities within the organization.

High Availability and Redundancy Options

The Cisco C9300-NM-2Y Catalyst 9300 2 Ports Expansion Module provides two additional network ports for the Cisco Catalyst 9300 series switches. To ensure high availability and redundancy, the expansion module supports several features:

  • Hot-swappable: The module is hot-swappable, which means it can be replaced or removed without disrupting the normal operation of the switch. This allows for easy maintenance and upgrades without any downtime.
  • Redundant power: The module supports redundant power supplies, which can be connected to two different power sources. If one power source fails, the other power source can take over, ensuring uninterrupted power to the switch and the expansion module.
  • Link aggregation: The expansion module supports link aggregation, which allows multiple ports to be grouped together to form a single logical link. This increases the bandwidth and provides redundancy in case one of the links fails.
  • Virtual Switching System (VSS): The Cisco Catalyst 9300 series switches support Virtual Switching System (VSS), which allows two physical switches to be combined into a single virtual switch. This provides redundancy and high availability in case one of the switches fails.
  • StackWise Virtual: The Cisco Catalyst 9300 series switches also support StackWise Virtual, which allows up to eight physical switches to be combined into a single logical switch. This provides high availability and redundancy by creating a resilient, self-healing network architecture.

General Information about this Cisco C9300-NM-2Y

  • Manufacturer: Cisco
  • Part Number or SKU# C9300-NM-2Y
  • Product Line: Catalyst
  • Product Type: Expansion Module

Technical Information of Plug in Expansion Module

  • Total Number of Ports: 2
  • Application/Usage: Optical Network
  • Application/Usage: Data Networking
  • Form Factor: Plug-in Module

I/O Expansions for Gigabit Ethernet Module

  • Number of Total Expansion Slots: 2

Media & Performance

  • Media Type Supported: Optical Fiber
  • Ethernet Technology: 25 Gigabit Ethernet
  • Data Transfer Rate: 25 GBPS


  • Compatibility: Cisco Catalyst 9300 Series Switches
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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