The Cisco Nexus® 3016 Switch (Figure 1) is a 40 Gigabit Ethernet switch platform. It is a high-performance, ultra-low-latency Ethernet switch providing line-rate Layer 2 and 3 switching in a compact one-rack-unit (1RU) form factor. The switch runs the industry-leading Cisco® NX-OS Software operating system, providing customers with robust features and functions that are widely deployed globally.
The line-rate Layer 2 and 3 switching at ultra-low latencies along with the serialization benefits of 40 Gigabit Ethernet switching make the Cisco Nexus 3016 an ideal switch platform for financial co-locations. This switch supports both forward and reversed airflow schemes with AC and DC power inputs.
Figure 1. Cisco Nexus 3016 Switch
Main Benefits
The Cisco Nexus 3016 provides the following main benefits:
• Ultra-low latency
– The Cisco Nexus 3016 delivers ultra-low nominal latency that enables customers to implement high-performance infrastructures for high-frequency trading workloads. Customers can also achieve faster application performance because of the serialization savings from switching at 40 Gigabit Ethernet speeds.
• Wire-rate Layer 2 and 3 switching on all ports
– Layer 2 and 3 switching of up to 1.2 terabits per second (Tbps) and more than 950 million packets per second (mpps) is provided in a compact 1RU form-factor switch.
• Purpose-built on Cisco NX-OS operating system with comprehensive, proven innovations
– Virtual PortChannel (vPC) provides Layer 2 multipathing through the elimination of Spanning Tree Protocol and enables fully utilized bisectional bandwidth and simplified Layer 2 logical topologies without the need to change the existing management and deployment models.
– Power On Auto Provisioning (POAP) enables touchless bootup and configuration of the switch, drastically reducing provisioning time.
– Cisco Embedded Event Manager (EEM) and Python scripting enable automation and remote operations in data center.
– Advanced buffer monitoring reports real-time buffer utilization per port and per queue, which allows organizations to monitor traffic bursts and application traffic patterns.
– The 64-way equal-cost multipath (ECMP) routing enables Layer 3 fat tree designs and allows organizations to prevent network bottlenecks, increase resiliency, and add capacity with little network disruption.
– EtherAnalyzer is a built-in packet analyzer for monitoring and troubleshooting control-plane traffic and is based on the popular Wireshark open source network protocol analyzer.
– Precision Time Protocol (PTP; IEEE 1588) provides accurate clock synchronization and improved data correlation with network captures and system events.
– Full Layer 3 unicast and multicast routing protocol suites are supported, including Border Gateway Protocol (BGP), Open Shortest Path First (OSPF), Enhanced Interior Gateway Routing Protocol (EIGRP), Routing Information Protocol Version 2 (RIPv2), Protocol Independent Multicast sparse mode (PIM-SM), Source-Specific Multicast (SSM), and Multicast Source Discovery Protocol (MSDP).
Configuration
• 16 fixed 40 Gigabit Ethernet Enhanced Quad Small Form-Factor Pluggable (QSFP+) ports (each QSFP+ port can handle four 10 Gigabit Ethernet connections)
• Locator LED
• Dual redundant power supplies
• Fan tray with redundant fans
• Two 10/100/1000-Mbps management ports
• One RS-232 serial console port
• One USB port
• Locator LED and button
Both forward (port-side exhaust) and reversed (port-side intake) airflow schemes are supported.
Transceiver and Cabling Options
The Cisco Nexus 3016 has 16 QSFP+ ports. QSFP+ technology allows smooth transition from 10 to 40 Gigabit Ethernet infrastructure in data centers. Each of the Cisco Nexus 3016 Switch's QSFP+ ports can operate in either native 40 Gigabit Ethernet mode or 4 x 10 Gigabit Ethernet mode. This switch supports both fiber and copper cabling solutions for these two modes.
For low-cost cabling, copper-based 40-Gbps Twinax cables can be used, and for longer cable reaches, short-reach optical transceivers are excellent. Connectivity can be established from the QSFP ports to 10 Gigabit Ethernet switches or hosts using a splitter cable that has a QSFP transceiver on one end and four SFP+ transceivers on the other end. Similar capability can be achieved on the fiber solution by using QSFP+ SR4 transceivers on both ends and procuring third-party fiber splitter MPO-to-LC cables. Table 1 lists the QSFP transceiver types supported.
Table 1. Cisco Nexus 3016 QSFP Transceiver Support Matrix
Part Number
Description
QSFP-4SFP10G-CU5M
QSFP to 4xSFP10G Passive Copper Splitter Cable, 5m
QSFP-4SFP10G-CU3M
QSFP to 4xSFP10G Passive Copper Splitter Cable, 3m
QSFP-4SFP10G-CU1M
QSFP to 4xSFP10G Passive Copper Splitter Cable, 1m
QSFP-H40G-CU5M
40GBASE-CR4 Passive Copper Cable, 5m
QSFP-H40G-CU3M
40GBASE-CR4 Passive Copper Cable, 3m
QSFP-H40G-CU1M
40GBASE-CR4 Passive Copper Cable, 1m
QSFP-40G-SR4
40GBASE-SR4 QSFP Transceiver Module with MPO Connector
Cisco NX-OS is a data center-class operating system built with modularity, resiliency, and serviceability at its foundation. Cisco NX-OS helps ensure continuous availability and sets the standard for mission-critical data center environments. The self-healing and highly modular design of Cisco NX-OS makes zero-impact operations a reality and enables exceptional operation flexibility.
Focused on the requirements of the data center, Cisco NX-OS provides a robust and comprehensive feature set that meets the networking requirements of present and future data centers. With an XML interface and a command-line interface (CLI) like that of Cisco IOS® Software, Cisco NX-OS provides state-of-the-art implementations of relevant networking standards as well as a variety of true data center-class Cisco innovations.
Cisco NX-OS Software Benefits
Table 2 summarizes that benefits that Cisco NX-OS offers.
Table 2. Benefits of Cisco NX-OS Software
Feature
Benefit
Common software throughout the data center: Cisco NX-OS runs on all Cisco data center switch platforms: Cisco Nexus 7000, 5000, 4000, and 1000V Series Switches and Cisco Nexus 2000 Series Fabric Extenders.
• Simplification of data center operating environment
• End-to-end Cisco Nexus and Cisco NX-OS fabric
• No retraining necessary for data center engineering and operations teams
Software compatibility: Cisco NX-OS interoperates with Cisco products running any variant of Cisco IOS Software and also with any networking OS that conforms to the networking standards listed as supported in this data sheet.
• Transparent operation with existing network infrastructure
• Open standards
• No compatibility concerns
Modular software design: Cisco NX-OS is designed to support distributed multithreaded processing. Cisco NX-OS modular processes are instantiated on demand, each in a separate protected memory space. Thus, processes are started and system resources allocated only when a feature is enabled. The modular processes are governed by a real-time preemptive scheduler that helps ensure timely processing of critical functions.
• Robust software
• Fault tolerance
• Increased scalability
• Increased network availability
Troubleshooting and diagnostics: Cisco NX-OS is built with unique serviceability functions to enable network operators to take early action based on network trends and events, enhancing network planning and improving network operations center (NOC) and vendor response times. Cisco Smart Call Home and Cisco Online Health Management System (OHMS) are some of the features that enhance the serviceability of Cisco NX-OS.
• Quick problem isolation and resolution
• Continuous system monitoring and proactive notifications
• Improved productivity of operations teams
Ease of management: Cisco NX-OS provides a programmatic XML interface based on the NETCONF industry standard. The Cisco NX-OS XML interface provides a consistent API for devices. Cisco NX-OS also provides support for Simple Network Management Protocol (SNMP) Versions 1, 2, and 3 MIBs.
• Rapid development and creation of tools for enhanced management
• Comprehensive SNMP MIB support for efficient remote monitoring
Role-based access control (RBAC): With RBAC, Cisco NX-OS enables administrators to limit access to switch operations by assigning roles to users. Administrators can customize access and restrict it to the users who require it.
• Tight access control mechanism based on user roles
• Improved network device security
• Reduction in network problems arising from human errors
Cisco NX-OS Software Packages for Cisco Nexus 3016
The Cisco NX-OS Software packages available with the Cisco Nexus 3016 offer flexibility and a comprehensive feature set as well as consistency with Cisco Nexus access switches. The default system software has a comprehensive Layer 2 feature set with robust security and management features. To enable Layer 3 IP unicast and multicast routing functions, additional licenses need to be installed. Table 3 summarizes the software packages.
Table 3. Cisco NX-OS Software Packages Available for Cisco Nexus 3016
Software
Description
System default (no license required)
• Comprehensive Layer 2 feature set: VLAN, IEEE 802.1Q Trunking, Link Aggregation Control Protocol (LACP), vPC, Unidirectional Link Detection (UDLD) (standard and aggressive), Multiple Spanning Tree Protocol (MSTP), Rapid Spanning Tree Protocol (RSTP), Spanning Tree Protocol guards, and VLAN Trunking Protocol (VTP) transparent
• Management features: IEEE 1588 (PTP) boundary clock, Cisco SPAN, Encapsulated Remote SPAN ERSPAN), Cisco Data Center Networking Manager (DCNM) support, console, Secure Shell Version 2 (SSHv2) access, Cisco Discovery Protocol, SNMP, and syslog
Base license (N3K-BAS1K9)
• Layer 3 IP routing: Inter-VLAN routing (IVR), static routes, RIPv2, access control lists (ACLs), OSPFv2 (limited to 256 routes), EIGRP stub, Hot Standby Router Protocol (HSRP), Virtual Router Redundancy Protocol (VRRP), and Unicast Reverse Path Forwarding (uRPF)
• Multicast: PIM-SM, SSM, and MSDP
LAN Enterprise license (N3K-LAN1K9)
• Advanced Layer 3 IP routing: OSPFv2, EIGRP, BGP, and Virtual Route Forwarding lite (VRF-lite)
* The Base license (N3K-BAS1K9) is required to take advantage of LAN Enterprise license (N3K-LAN1K9) features.
* Table 5 later in this document provides a complete feature list.
Cisco Data Center Network Manager
The Cisco Nexus 3016 is supported in Cisco DCNM. Cisco DCNM is designed for hardware platforms enabled for Cisco NX-OS, which consist of the Cisco Nexus Family of products. Cisco DCNM is a Cisco management solution that increases overall data center infrastructure uptime and reliability, hence improving business continuity. Focused on the management requirements of the data center network, Cisco DCNM provides a robust framework and comprehensive feature set that meets the routing, switching, and storage administration needs of present and future data centers. In particular, Cisco DCNM automates the provisioning process, proactively monitors the LAN by detecting performance degradation, secures the network, and streamlines the diagnosis of dysfunctional network elements.
Product Specifications
Table 4 lists the specifications for the Cisco Nexus 3016, Table 5 lists software features, and Table 6 lists management standards and support.
Table 4. Specifications
Description
Specification
Physical
• 1RU fixed form-factor switch
• 16 QSFP ports; each supports native 40 Gigabit Ethernet and 4 x 10 Gigabit Ethernet modes
• 2 redundant power supplies
• 1 fan tray with redundant fans
• 1 I/O module with management, console, and USB flash memory ports
Performance
• 1.28-Tbps switching capacity
• Forwarding rate of 950 mpps
• Line-rate traffic throughput (both Layer 2 and 3) on all ports
• Configurable maximum transmission units (MTUs) of up to 9216 bytes (jumbo frames)
Hardware tables and scalability
MAC addresses
128,000
Number of VLANS
4096
Spanning-tree instances
• RSTP: 512
• MSTP: 64
Access control list (ACL) entries
2000 ingress
1000 egress
Routing table
16,000 prefixes and 16000 host entries*
8000 multicast routes*
Number of EtherChannels
64 (with vPC)
Number of ports per EtherChannel
16
Buffers
9 MB shared
Boot flash memory
2 GB
Power
Frequency
50 to 60 Hz
Power supply types
AC (forward and reversed airflow)
DC (forward and reversed airflow)
Typical operating power
172 watts (W; with Twinax at 100% load; 2 power supply units [PSUs])
174W (with short-reach optics at 100% load; 2 PSUs)
Maximum power
227W
AC PSUs
Input voltage
Frequency
Efficiency
100 to 240 VAC
50 to 60 Hz
89 to 91% at 220V
DC PSUs
Input voltage
Max current
Efficiency
-40 to -72 VDC
33A
85 to 88%
Power supply efficiency
89 to 91% at 220V
Typical heat dissipation
587 BTU/hr (16p with Twinax at 100% load; 2 PSUs)
594 BTU/hr (16p with SR4 optics at 100% load; 2 PSUs)
Maximum heat dissipation
775 BTU/hr
Cooling
Forward and reversed airflow schemes
Forward airflow: Port-side exhaust (air enters through fan tray and power supplies and exits through ports); supported with AC and DC power supplies
Reversed airflow: Port-side intake (air enters through ports and exits through fan tray and power supplies); supported with AC power supply only
Cisco Nexus 3000 Series Switches are supported by Cisco NX-OS Software Release 5.0 and later. Cisco NX-OS interoperates with any networking OS, including Cisco IOS Software, that conforms to the networking standards mentioned in this data sheet.
Regulatory Standards Compliance
Table 7 summarizes regulatory standards compliance for the Cisco Nexus 3000 Series.
Table 7. Regulatory Standards Compliance: Safety and EMC
Specification
Description
Regulatory compliance
• Products should comply with CE Markings per directives 2004/108/EC and 2006/95/EC
Safety
• UL 60950-1 Second Edition
• CAN/CSA-C22.2 No. 60950-1 Second Edition
• EN 60950-1 Second Edition
• IEC 60950-1 Second Edition
• AS/NZS 60950-1
• GB4943
EMC: Emissions
• 47CFR Part 15 (CFR 47) Class A
• AS/NZS CISPR22 Class A
• CISPR22 Class A
• EN55022 Class A
• ICES003 Class A
• VCCI Class A
• EN61000-3-2
• EN61000-3-3
• KN22 Class A
• CNS13438 Class A
EMC: Immunity
• EN55024
• CISPR24
• EN300386
• KN24
RoHS
The product is RoHS 5 compliant with exception for lead press-fit connectors
Ordering Information
Table 8 provides ordering information for the Cisco Nexus 3016.
Table 8. Ordering Information
Part Number
Description
Chassis
N3K-C3016Q-40GE
Nexus 3016, 16 QSFP+ ports, 1RU switch
N3K-C3064-FAN
Nexus 3064 Fan Module, Forward airflow (port side exhaust)
N3K-C3064-FAN-B
Nexus 3064 Fan Module, Reversed airflow (port side intake)
N2200-PAC-400W
N2K/3K 400W AC Power Supply, Forward airflow (port side exhaust)
N2200-PAC-400W-B
N2K/3K 400W AC Power Supply, Reversed airflow (port side intake)
N2200-PDC-400W
N2K/3K 400W DC Power Supply, Forward airflow (port side exhaust)
N3K-PDC-350W-B
N3K Series 350W DC Power Supply, Reversed airflow (port side intake)
Software Licenses
N3K-BAS1K9
Nexus 3000 Layer 3 Base License
N3K-LAN1K9
Nexus 3000 Layer 3 LAN Enterprise License (Requires N3K-BAS1K9 License)
Spares
N3K-C3064-FAN=
Nexus 3064 Fan Module, Forward airflow (port side exhaust), Spare
N3K-C3064-FAN-B=
Nexus 3064 Fan Module, Reversed airflow (port side intake), Spare
N2000-PAC-400W=
N2K/3K 400W AC Power Supply, Forward airflow (port side exhaust), Spare
N2000-PAC-400W-B=
N2K/3K 400W AC Power Supply, Reversed airflow (port side intake). Spare
N2200-PDC-400W=
N2K/3K 400W DC Power Supply, Forward airflow (port side exhaust), Spare
N3K-PDC-350W-B=
N3K Series 350W DC Power Supply, Reversed airflow (port side intake), Spare
N3K-C3064-ACC-KIT=
Nexus 3064PQ Accessory Kit
Bundles
N3K-C3016-FA-L3
Nexus 3016, AC, Forward Airflow (port side exhaust), Base & LAN Ent Lic Bundle
N3K-C3016-BA-L3
Nexus 3016, AC, Reversed Airflow (port side intake), Base & LAN Ent Lic Bundle
N3K-C3016-FD-L3
Nexus 3016, DC, Forward Airflow (port side exhaust), Base & LAN Ent Lic Bundle
N3K-C3016-BD-L3
Nexus 3016, DC, Reversed Airflow (port side intake), Base & LAN Ent Lic Bundle
Cables and Optics
QSFP-40G-SR4
40GBASE-SR4 QSFP Transceiver Module with MPO Connector
QSFP-H40G-CU1M
40GBASE-CR4 Passive Copper Cable, 1m
QSFP-H40G-CU3M
40GBASE-CR4 Passive Copper Cable, 3m
QSFP-H40G-CU5M
40GBASE-CR4 Passive Copper Cable, 5m
QSFP-4SFP10G-CU1M
QSFP to 4xSFP10G Passive Copper Splitter Cable, 1m
QSFP-4SFP10G-CU3M
QSFP to 4xSFP10G Passive Copper Splitter Cable, 3m
QSFP-4SFP10G-CU5M
QSFP to 4xSFP10G Passive Copper Splitter Cable, 5m
Service and Support
Cisco offers a wide range of services to help accelerate your success in deploying and optimizing the Cisco Nexus 3000 Series in your data center. The innovative Cisco Services offerings are delivered through a unique combination of people, processes, tools, and partners and are focused on helping you increase operation efficiency and improve your data center network. Cisco Advanced Services uses an architecture-led approach to help you align your data center infrastructure with your business goals and achieve long-term value. Cisco SMARTnet® Service helps you resolve mission-critical problems with direct access at any time to Cisco network experts and award-winning resources. With this service, you can take advantage of the Cisco Smart Call Home service capability, which offers proactive diagnostics and real-time alerts on your Cisco Nexus 3000 Series Switches. Spanning the entire network lifecycle, Cisco Services helps increase investment protection, optimize network operations, support migration operations, and strengthen your IT expertise.
