• Cisco N3K-C3016Q-40GE switch with 16x40GbE QSFP+ ports
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Cisco

Cisco N3K-C3016Q-40GE | Nexus 3000 16-Port 40G QSFP+ Data Center Switch, 1.28Tbps

N3K-C3016Q-40GE

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Description

The Cisco Nexus 3016 is a high-performance 40 Gigabit Ethernet data center switch designed for ultra-low latency applications. With 16 QSFP+ ports supporting both native 40GbE and 4x10GbE breakout modes, this 1RU switch delivers 1.28 Tbps switching capacity and 960 Mpps forwarding rate. Ideal for financial trading, leaf-spine architectures, and high-performance computing environments requiring wire-rate Layer 2 and Layer 3 switching with minimal latency.

Features

Ultra-low latency architecture optimized for high-frequency trading and latency-sensitive applications
- Wire-rate Layer 2 and Layer 3 switching on all ports
- Cisco NX-OS operating system with comprehensive data center features
- QSFP+ technology with flexible 40GbE or 4x10GbE operation per port
- Advanced Layer 2 features: VLANs, STP, RSTP, MST, VTP, LACP, port channels
- Layer 3 routing protocols: OSPF v2, BGP, EIGRP, RIP-2, static routing, ECMP
- Multicast support: IGMP v2/v3, PIM-SM, MSDP
- High availability: HSRP, VRRP, dual redundant power supplies, redundant fans
- Security features: ACLs, DHCP snooping, dynamic ARP inspection, IP source guard, port security
- Power-On Auto Provisioning (POAP) for zero-touch deployment
- Embedded Event Manager (EEM) and Python scripting for automation
- Built-in Ethanalyzer packet analyzer for troubleshooting
- OpenFlow support with Cisco Nexus Data Broker for traffic monitoring
- Comprehensive management via CLI, SNMP, SSH, NX-API, and Cisco DCNM

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

16x 40 Gigabit Ethernet QSFP+ ports (each supports native 40GbE or 4x10GbE breakout mode)
- Switching capacity: 1.28 Tbps
- Forwarding rate: 960 Mpps (million packets per second)
- Form factor: 1RU (1.72 inches / 4.37 cm height)
- Layer 2 and Layer 3 wire-rate switching
- MAC address table: 128,000 entries
- VLANs: 4,096 supported
- Spanning Tree: RSTP (512 instances), MST (64 instances)
- ACL entries: 2,000 ingress, 1,000 egress
- MTU: up to 9,216 bytes (jumbo frames)
- Management ports: 2x 100/1000 Mbps, 1x RS-232 console, 1x USB
- Power supplies: Dual redundant (2x N2200-PAC-400W-B)
- Airflow: Supports both port-side intake and port-side exhaust configurations
- Operating system: Cisco NX-OS Software
- Dimensions: 1.72H x 17.3W x 19.7D inches (4.37 x 43.9 x 50.8 cm)
- Management: CLI, SNMP v1/v2/v3, RMON, Telnet, SSH-2, NX-API, Cisco DCNM

FAQs

Q: Can the QSFP+ ports operate in 10GbE mode?
A: Yes, each QSFP+ port can operate in either native 40 Gigabit Ethernet mode or 4x10 Gigabit Ethernet breakout mode using QSFP-to-SFP+ splitter cables, supporting both fiber and copper cabling solutions.

Q: What licenses are required for Layer 3 functionality?
A: The switch requires the Base license (N3K-BAS1K9) and the LAN Enterprise license (N3K-LAN1K9) to enable Layer 3 IP unicast and multicast routing functions. The default system software includes comprehensive Layer 2 features.

Q: Is this switch suitable for low-latency trading environments?
A: Yes, the Nexus 3016 delivers ultra-low nominal latency and line-rate Layer 2 and Layer 3 switching, making it ideal for high-frequency trading workloads and financial co-location facilities.

Q: What airflow options are available?
A: The switch supports both forward (port-side exhaust) and reversed (port-side intake) airflow schemes with AC and DC power input options, allowing flexible deployment in hot-aisle/cold-aisle data center configurations.

Q: What is the switching capacity and throughput?
A: The Nexus 3016 provides 1.28 Tbps switching capacity with a forwarding rate of 960 million packets per second, delivering wire-rate traffic throughput on all ports for both Layer 2 and Layer 3 operations.

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