Cisco C9300-NM-8X Expansion Module
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C9300-NM-8X Cisco Catalyst 9300 Series 8 Ports Expansion Refurbished

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Part Number#: C9300-NM-8X
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Short Description:
C9300-NM-8X Catalyst 9300 Series 10 Gigabit Ethernet Twisted Pair 8 Ports Expansion Module | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

High Availability and Redundancy of Expansion Module

The Cisco C9300-NM-8X Catalyst 9300 10-Gigabit Network Expansion Module is a network interface module that is designed to increase the connectivity options and bandwidth of Cisco Catalyst 9300 Series switches. High availability and redundancy are important features of this module, as they ensure that network traffic can continue to flow smoothly even in the event of component failures.

High availability refers to the ability of a system to remain operational even when one or more components fail. The C9300-NM-8X module provides high availability through its support for link aggregation, also known as port-channeling or bonding. With link aggregation, multiple physical links can be combined into a single logical link, which provides both redundancy and increased bandwidth. If one physical link fails, traffic is automatically rerouted to the remaining links in the link aggregation group, ensuring that connectivity is maintained.

Redundancy refers to the provision of backup components or systems that can take over in the event of a failure. The C9300-NM-8X module provides redundancy through its support for hot-swappable modules. This means that if a module fails, it can be replaced while the switch is still running, without the need for downtime. The module also supports dual power supplies, which provides additional redundancy and helps ensure that the switch remains operational in the event of a power supply failure.

Load Balancing and Traffic Engineering of Network Module

The Cisco C9300-NM-8X Catalyst 9300 10-Gigabit Network Expansion Module is designed to provide additional high-speed connectivity to the Catalyst 9300 series switches. Load balancing and traffic engineering are two key features of this module that help ensure efficient and effective network performance.

Load balancing is the process of distributing network traffic evenly across multiple paths or links to prevent any one path from becoming overloaded. With the C9300-NM-8X module, load balancing can be achieved through the use of Link Aggregation Control Protocol (LACP), which allows multiple links between switches to be bundled into a single logical link. This not only provides redundancy but also increases the available bandwidth for data traffic.

Traffic engineering, on the other hand, is the process of optimizing the flow of network traffic to improve network performance and reliability. The C9300-NM-8X module supports the use of Quality of Service (QoS) and Virtual LANs (VLANs) to manage and prioritize traffic. QoS allows administrators to prioritize certain types of traffic, such as VoIP or video conferencing, to ensure that they receive the necessary bandwidth and do not suffer from latency or packet loss. VLANs allow for the logical segmentation of network traffic, which can help reduce congestion and improve network security.

Network Monitoring and Management

Network Monitoring and Management is the process of overseeing and maintaining a computer network to ensure it is functioning optimally. The process involves the use of various tools and techniques to monitor, analyze, and troubleshoot network performance issues. Cisco C9300-NM-8X Catalyst 9300 10-Gigabit Network Expansion Module is a device that can be used to expand the capabilities of Cisco Catalyst 9300 series switches.

The Cisco C9300-NM-8X module is a plug-in expansion module that provides 8 additional 10-Gigabit Ethernet ports to the Catalyst 9300 switch. This expansion module allows network administrators to expand their network capacity and meet the increasing demands of modern applications and services.

In terms of network monitoring, the Cisco Catalyst 9300 series switch provides several features that help network administrators monitor and troubleshoot network performance issues. The switch supports NetFlow, which is a protocol that collects information about IP traffic flows and exports that information to a NetFlow collector. This allows network administrators to analyze network traffic and identify areas of congestion or bottlenecks.

Additionally, the switch supports Simple Network Management Protocol (SNMP), which is a protocol used to manage network devices. SNMP allows network administrators to monitor the performance of network devices, such as switches and routers, and receive alerts when issues arise. The Cisco Catalyst 9300 switch also supports Cisco's proprietary management protocol, Cisco Discovery Protocol (CDP), which allows network administrators to discover and track network devices.

Furthermore, the Cisco Catalyst 9300 switch provides advanced security features to protect the network from cyber threats. The switch supports Cisco's TrustSec, which is a security solution that provides access control and policy enforcement. It also supports MACsec, which is a security protocol that provides encryption for Ethernet traffic.

In terms of network management, the Cisco Catalyst 9300 switch supports Cisco DNA Center, which is a network management platform that provides centralized management of network devices. DNA Center provides a single interface for network administrators to manage network policies, configure devices, and troubleshoot network issues. The platform also provides automation capabilities that help network administrators streamline network operations and reduce the likelihood of human error.

General Information for this Cisco C9300-NM-8X

  • Manufacturer: Cisco
  • Model Number or SKU# C9300-NM-8X
  • Product Line: Catalyst
  • Product Series: 9300
  • Product Model: C9300-NM-8X
  • Product Type: Expansion Module

Technical Information of Expansion Module

Interfaces/Ports about this 8-Ports Module

  • Interfaces/Ports Details 8 x 10GBase-X Network

Performance of 10 Gigabit Ethernet Module

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

Dimensions & Weight

  • Height 1.7 Inch
  • Width 17.5 Inch
  • Depth 17.5 Inch
  • Weight (Approximate) 16.73 LB


  • Cisco Catalyst 9300 Series Switches
  • Compliant Standards CISPR 22 Class A, CISPR 24, EN 61000-3-2, EN 61000-3-3, EN55024, EN50082-1, EN 61000-6-1, EN 61000-4-4, EN 61000-4-2, EN 61000-4-3, EN 61000-4-6, CCC, ICES-003 Class A, EN 61000-4-5, UL 60950-1, IEC 60950-1, EN 60950-1, RoHS, AS/NZS 3548 Class A, BSMI Class A, VCCI Class A, EN 55022 Class A, FCC CFR47 Part 15 A, EN 300 386, TVCN 7317, VCCI V-3/2009 Class A, CAN/CSA-C22.2 No. 60950-1
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

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