Cisco C9300X-NM-2C Datasheet and Price: Expert Technical Overview of Catalyst 9300 Network Module

1. Product Overview

The Cisco C9300X-NM-2C is a high-performance network module designed exclusively for the Cisco Catalyst 9300 Series switches, specifically the 9300X models. As part of Cisco’s flagship enterprise switching portfolio, the Catalyst 9300 Series is engineered to deliver advanced security, high throughput, and modular flexibility for modern campus and branch network deployments. The C9300X-NM-2C module extends the switch’s uplink capabilities by providing two 100 Gigabit Ethernet (100G) QSFP28 ports, enabling scalable, high-bandwidth connectivity to aggregation layers, data centers, or service provider networks.

This network module is a critical component for organizations requiring ultra-low latency, high-density 100G uplinks with support for advanced Layer 2 and Layer 3 features. It integrates seamlessly with Cisco IOS XE software, leveraging Cisco’s robust network programmability, automation, and security frameworks. The C9300X-NM-2C is engineered for environments demanding future-proof scalability, operational simplicity, and investment protection.

2. Product Specifications

2.1 Physical and Environmental Specifications

The C9300X-NM-2C module is a hot-swappable network module designed to fit into the modular uplink slot of the Cisco Catalyst 9300X Series switches. Its compact form factor ensures minimal impact on chassis space while delivering maximum port density.

• Dimensions: Approximately 3.5 x 7.5 x 1.0 inches (HxWxD)
• Weight: Approximately 0.5 kg (1.1 lbs)
• Operating Temperature: 0°C to 40°C (32°F to 104°F)
• Storage Temperature: -40°C to 70°C (-40°F to 158°F)
• Operating Humidity: 10% to 90% non-condensing
• Compliance: RoHS, WEEE, and other global environmental standards

2.2 Interface and Connectivity

The module provides two QSFP28 ports, each capable of supporting 100 Gigabit Ethernet speeds. These ports support multiple breakout configurations and transceiver types, enabling flexible deployment options.

• Port Count: 2 x QSFP28 ports
• Port Speed: 100 Gbps per port
• Supported Transceivers: QSFP28 SR4, LR4, and other compatible 100G optics
• Breakout Support: Supports 4x25G breakout per port for 40G/25G/10G compatibility
• Media Types: Fiber optic (multimode and single-mode)

2.3 Performance and Scalability

The C9300X-NM-2C module is engineered to deliver line-rate forwarding at 100 Gbps per port with minimal latency. It supports advanced QoS, traffic shaping, and congestion management features to ensure optimal network performance.

• Forwarding Bandwidth: 200 Gbps aggregate (2 x 100G ports)
• Latency: Sub-microsecond latency at line rate
• Packet Buffer: Integrated buffer memory for congestion management
• Supported Protocols: IEEE 802.1Q VLAN tagging, IEEE 802.1ad Q-in-Q, MPLS, VXLAN, and more

2.4 Software and Feature Support

The module operates under Cisco IOS XE software, providing comprehensive Layer 2 and Layer 3 feature sets, including advanced security, automation, and programmability capabilities.

• Layer 2 Features: Spanning Tree Protocol (STP), Rapid STP, Multiple STP, VLANs, Private VLANs, Link Aggregation Control Protocol (LACP)
• Layer 3 Features: OSPF, EIGRP, BGP, IS-IS, VRF, IPv4/IPv6 routing
• Security: MACsec encryption support, 802.1X authentication, Dynamic ARP Inspection, IP Source Guard
• Automation: NETCONF, RESTCONF, Cisco DNA Center integration, Python scripting support
• Management: SNMP, Syslog, Embedded Event Manager (EEM), Cisco Prime Infrastructure

3. Features and Benefits

3.1 High-Density 100G Uplink Capability

The C9300X-NM-2C module provides two dedicated 100 Gigabit Ethernet uplink ports, enabling organizations to scale their network bandwidth significantly. This high-density uplink capability is essential for data-intensive applications, cloud connectivity, and aggregation layer deployments.

3.2 Modular Flexibility and Investment Protection