• Cisco Nexus 9018 switch with 48x 1/10G SFP+ ports
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Cisco N3K-C31108PC-OE | Nexus 3100-V 48-Port 10G SFP+ Switch, 6x 100G QSFP28

N3K-C31108PC-OE

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Description

The Cisco Nexus 31108PC is a high-performance data center switch engineered for spine-leaf architectures and cloud environments. Delivering 48 ports of 1/10G SFP+ connectivity and 6 flexible QSFP28 uplinks supporting 40G/100G, this 1RU switch provides 2.16 Tbps switching capacity with ultra-low 650ns latency. Running Cisco NX-OS, it offers line-rate Layer 2 and Layer 3 switching, native VXLAN routing, and advanced programmability for modern DevOps workflows.

Features

Line-rate Layer 2 and Layer 3 switching on all ports
- Native VXLAN routing with hardware-based overlay support
- BGP EVPN control plane for scalable multitenancy and host mobility
- 64-way Equal-Cost Multipath (ECMP) routing for Layer 3 fat-tree designs
- Virtual PortChannel (vPC) for high availability and redundancy
- In-Service Software Upgrade (ISSU) and Fast Reboot capabilities
- Hardware-based QoS with classification, policing, shaping, and congestion management
- Spanning Tree Protocol support: RSTP (512 instances), MSTP (64 instances)
- Advanced buffer monitoring for real-time per-port and per-queue visibility
- Cisco Nexus Data Broker for cost-effective TAP/SPAN aggregation
- Power-on Auto Provisioning (POAP) for touchless deployment
- Python scripting and Cisco Embedded Event Manager (EEM) for automation
- NX-API CLI and REST API for programmable network operations
- Comprehensive security: AES encryption, RADIUS, TACACS+, SSH v2, MS-CHAP
- Dynamic power management and energy-efficient design
- Hot-swappable dual power supplies and redundant fan trays
- Flexible airflow options: forward and reverse for hot/cold aisle configurations
- Support for routing protocols: OSPF, BGP, EIGRP, RIPv2, PIM-SM, MSDP
- Cisco NX-OS operating system with mission-critical reliability

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 1/10G SFP+ ports
- 6x QSFP28 ports (40G/100G each, or 4x10G with breakout)
- Switching capacity: 2.16 Tbps
- Forwarding rate: 1.2 billion packets per second (Bpps)
- MAC address table: 288,000 entries
- VLANs: 4,096
- Routing table: 16,000 prefixes and host entries, 8,000 multicast routes
- ACL entries: 16,000 ingress / 1,000 egress
- Latency: ~650 nanoseconds (ultra-low)
- Jumbo frames: up to 9,216 bytes (MTU)
- EtherChannel: 64 channels, 32 ports per channel
- Form factor: 1RU fixed configuration
- Dimensions: 1.72 x 17.3 x 22.3 in (4.4 x 43.9 x 56.6 cm)
- Weight: 21.4 lb (9.7 kg)
- Power supplies: Dual redundant hot-swappable (AC/DC)
- Fans: Redundant 3+1 hot-swappable
- Airflow: Forward (port-side exhaust) or reverse (port-side intake)
- Management: NX-API CLI, SNMP, NetFlow, Telemetry, Cisco DCNM
- Operating temperature: 0 to 40°C (32 to 104°F)
- Operating system: Cisco NX-OS

FAQs

Q: What is the difference between the N3K-C31108PC-V and N3K-C31108PC-OE models?
A: The N3K-C31108PC-V is the standard model with traditional Cisco NX-OS licensing options (Essentials, Advantage, Premier tiers). The N3K-C31108PC-OE variant features Open NX-OS Edition licensing, which may offer simplified or alternative licensing terms. Both share identical hardware specifications with 48x 10G SFP+ and 6x 100G QSFP28 ports.

Q: Can this switch function in both spine and leaf roles?
A: Yes, the Nexus 31108PC is designed to operate as either a leaf or spine switch in modern spine-leaf data center topologies. Its high port density, low latency, and 2.16 Tbps throughput make it ideal for delivering non-blocking east-west traffic in scalable fabric architectures.

Q: Does the N3K-C31108PC support VXLAN routing?
A: Yes, the switch provides native line-rate VXLAN routing capabilities, enabling efficient tenant isolation, host mobility, and overlay network support. It supports BGP EVPN control plane for scalable multitenancy in cloud and virtualized environments.

Q: What automation and programmability features are included?
A: The switch supports comprehensive programmability through Cisco NX-API CLI, NX-API REST, Python scripting, Cisco Embedded Event Manager (EEM), and Power-on Auto Provisioning (POAP). It integrates seamlessly with DevOps toolsets including Puppet, Chef, and Ansible for automated configuration and orchestration.

Q: Is this switch suitable for high-performance computing and storage workloads?
A: Absolutely. With ultra-low latency of approximately 650 nanoseconds, wire-rate Layer 2/3 performance on all ports, and support for jumbo frames up to 9,216 bytes, the Nexus 31108PC is well-suited for HPC clusters, high-speed storage networks, and latency-sensitive applications.

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