• Cisco Catalyst 9300 switch with 48x1/10G ports and 6x40G uplinks
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Cisco

Cisco N9K-C9372TX | Nexus 9300 48-Port 10GBase-T Switch, 6x 40G QSFP+, Layer 3

N9K-C9372TX

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Description

The Cisco N9K-C9372TX Nexus 9372TX is a high-density 1RU data centre switch offering 48 ports of 1/10GBASE-T connectivity and 6 QSFP+ 40 Gigabit Ethernet uplinks. Designed for spine-leaf and 3-tier architectures, it delivers 1.44 Tbps throughput and line-rate Layer 2/3 performance. The switch supports both Cisco NX-OS and ACI modes, making it ideal for enterprise, service provider, and software-defined data centre deployments.

Features

Layer 2 and Layer 3 switching with line-rate performance
- Support for VXLAN routing and bridging (hardware VTEP)
- Cisco ACI fabric capability as a leaf switch
- Virtual PortChannel (vPC) for active-active redundancy
- Equal-Cost Multi-Path (ECMP) routing with up to 64 paths
- Comprehensive ACL support (4,000 ingress / 1,000 egress entries)
- 802.1Q VLAN tagging with up to 4,096 VLANs
- Spanning Tree Protocol: RPVST+, MST (up to 64 instances)
- IGMP snooping and multicast routing (up to 32,000 groups)
- Advanced QoS with 8 queues per port
- IPv4 and IPv6 unicast and multicast routing
- Hot Standby Router Protocol (HSRP) and Virtual Router Redundancy Protocol (VRRP)
- Comprehensive management: CLI, SNMP, NETCONF, RESTCONF, NX-API
- Four active SPAN sessions for traffic monitoring
- Nexus 2000 Fabric Extender support (up to 16 FEX)
- Front-to-back or back-to-front airflow options
- Redundant, hot-swappable power supplies and fan modules (sold separately)

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Technical Specifications

48x 1/10GBASE-T ports (RJ45, auto-sensing 100M/1G/10G)
- 6x 40G QSFP+ uplink ports
- Switching capacity: 1.44 Tbps
- Forwarding rate: 1,150 Mpps
- Form factor: 1RU rack-mountable
- CPU: Dual-core 2.5 GHz x86
- Memory: 16 GB RAM
- Storage: 64 GB SSD
- Packet buffer: 25 MB shared across all ports
- MAC address table: Up to 96,000 entries
- Maximum LPM routes: 128,000
- VRF instances: Up to 1,000
- VLANs: Up to 4,096
- ACL entries: 4,000 ingress / 1,000 egress
- Management: CLI, NX-OS, ACI, SNMP, NETCONF
- Typical power consumption: 374.5W (AC/DC)
- Maximum power consumption: 694W (AC/DC)
- Dimensions (H x W x D): 1.72 x 17.3 x 22.5 in (1RU)
- Weight (without PSU/fans): 22.6 lb (10.25 kg)
- Note: No power supply or fan modules included (sold separately)

FAQs

Q: Does the N9K-C9372TX include power supplies and fans?
A: No, the base SKU N9K-C9372TX does not include power supplies or fan modules. These must be ordered separately. Common options include N9K-PAC-650W AC power supplies and NXA-FAN-30CFM fan modules, with airflow direction matched to the switch variant.

Q: What is the difference between NX-OS and ACI modes?
A: NX-OS mode provides traditional Layer 2/3 switching with CLI-based configuration, ideal for standalone or vPC deployments. ACI (Application Centric Infrastructure) mode integrates the switch as a leaf node in a software-defined fabric managed by the APIC controller, enabling policy-driven automation and micro-segmentation.

Q: Can the 1/10GBASE-T ports auto-negotiate speed?
A: Yes, all 48 copper ports auto-negotiate and support 100 Megabit, 1 Gigabit, and 10 Gigabit Ethernet speeds, providing flexible connectivity for mixed-speed environments without requiring media converters.

Q: Is this switch suitable for Top-of-Rack deployments?
A: Yes, the N9K-C9372TX is specifically designed for high-density Top-of-Rack access in data centres, offering 48 server-facing 10G copper ports and high-speed 40G uplinks to spine switches in leaf-spine or 3-tier architectures.

Q: What licensing is required for the N9K-C9372TX?
A: The switch operates with embedded NX-OS software. Advanced features such as VXLAN, EVPN, and ACI require appropriate software entitlements or APIC licensing. Check with Cisco or your reseller for current licensing requirements based on your deployment mode.

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