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Cisco

Cisco N3K-C3016-FA-L3 | Nexus 3000 16-Port 40G QSFP+ Switch, 1.28Tbps, Layer 3

N3K-C3016-FA-L3

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Description

The Cisco Nexus 3016 is a high-performance, ultra-low-latency 40 Gigabit Ethernet switch purpose-built for data center environments and financial trading platforms. With 16 fixed QSFP+ ports delivering line-rate Layer 2 and Layer 3 switching at 1.28 Tbps, this 1RU switch includes the LAN Enterprise license bundle for advanced routing protocols including BGP, OSPF, EIGRP, and 64-way ECMP. Each QSFP+ port supports native 40GbE or 4x10GbE breakout modes for flexible connectivity, while forward airflow and redundant AC power supplies ensure reliable operation in rack-mount deployments.

Features

Cisco NX-OS Software operating system with comprehensive data center features
- Line-rate Layer 2 and Layer 3 forwarding on all ports
- Full unicast and multicast routing protocol suite (BGP, OSPF, EIGRP, PIM)
- 64-way ECMP for Layer 3 fat tree designs and load balancing
- Virtual Routing and Forwarding (VRF) support
- Advanced QoS capabilities for traffic prioritization
- Precision Time Protocol (IEEE 1588) for accurate clock synchronization
- Advanced buffer monitoring for real-time utilization per port and per queue
- Access Control Lists (ACL) with 2000 ingress and 1000 egress entries
- VLAN support with Rapid Spanning Tree (RSTP) and Multiple Spanning Tree (MST)
- Cisco Nexus Data Broker support for network tap and SPAN aggregation
- EtherAnalyzer built-in packet analyzer based on Wireshark
- Python scripting and Cisco Embedded Event Manager (EEM) for automation
- Port security and 802.1x authentication
- Jumbo frame support up to 9216 bytes (MTU)
- Hot-swappable redundant power supplies and fan trays
- Forward and reverse airflow options for flexible rack deployments

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 4x 10GbE breakout mode)
- Switching capacity: 1.28 Tbps
- Forwarding rate: 960 million packets per second (mpps)
- Layer 2 and Layer 3 line-rate switching on all ports
- Ultra-low latency design optimized for high-frequency trading
- 2x 100/1000 management ports, RS-232 console port, USB port
- MAC address table: 128,000 entries
- Routing protocols: BGP, OSPF, EIGRP, RIPv2, PIM-SM, SSM, MSDP
- 64-way equal-cost multipath (ECMP) routing
- 2x redundant hot-swappable AC power supplies
- Forward airflow (port-side exhaust)
- Form factor: 1 rack unit (1RU)
- Dimensions: 1.7" H x 19.7" W x 17.3" D
- Cisco NX-OS operating system
- LAN Enterprise license included (N3K-LAN1K9)

FAQs

Q: Can each QSFP+ port operate in 10GbE mode?
A: Yes, each of the 16 QSFP+ ports can operate in either native 40 Gigabit Ethernet mode or 4x10 Gigabit Ethernet mode using breakout cables with QSFP to SFP+ connectivity, supporting both fiber and copper cabling solutions.

Q: What routing protocols are supported with the LAN Enterprise license?
A: The included LAN Enterprise license provides full Layer 3 unicast and multicast routing capabilities including BGP, OSPF, EIGRP, RIPv2, PIM-SM, Source-Specific Multicast, and MSDP. It also supports advanced features like VRF, 64-way ECMP, and QoS.

Q: Is this switch suitable for high-frequency trading environments?
A: Yes, the Nexus 3016 is specifically designed for latency-sensitive financial trading platforms, delivering ultra-low nominal latency for high-frequency trading workloads combined with serialization benefits of 40 Gigabit Ethernet switching and microburst absorption capabilities.

Q: Does this model support redundant power supplies?
A: Yes, the N3K-C3016-FA-L3 includes redundant hot-swappable AC power supplies for high availability. The switch can operate with a single power supply but supports dual power supplies for full redundancy.

Q: What management options are available?
A: The switch supports comprehensive management via Cisco NX-OS CLI, NX-API, SNMP, Cisco DCNM (Data Center Network Manager), Python scripting, Embedded Event Manager, and includes built-in EtherAnalyzer for packet analysis and troubleshooting.

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