Physical

-  1RU fixed form factor

48 RJ-45 ports support 100 Mbps, 1 Gbps, and 10 Gbps

◦   6 QSFP ports support 4 x 10 Gigabit Ethernet or 40 Gigabit Ethernet each

Performance

-  1.4-Tbps switching capacity

-  Forwarding rate of up to 1 bpps

-  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

Number of MAC addresses

288,000

Number of VLANS

4096

Number of spanning-tree instances

-  RSTP: 512

-  MSTP: 64

Number of ACL entries

-  4000 ingress

-  1000 egress

Routing table

-  16,000 prefixes and 16,000 host entries^*

-  8000 multicast routes^*

Number of EtherChannels

64 (with vPC)

Number of ports per EtherChannel

32

System memory

4 GB

Buffer size

12 MB shared

Boot flash

2 GB

Power

Number of power supplies

2

Typical operating power

360 W

Maximum power

440W

AC PSUs

-  Input voltage

-  Frequency

-  Efficiency

-  100 to 240 VAC

-  50 to 60 Hz

-  89 to 91% at 220V

DC PSUs

-  Input voltage

-  Maximum current (PSU output – System input)

-  Efficiency

-  –40 to –72 VDC

-  33A (400W unit), 42A (500W unit)

-  85 to 88%

Typical heat dissipation

1228 BTU/hr

Maximum heat dissipation

1501 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)

◦   Reversed airflow: Port-side intake (air enters through ports and exits through fan-tray and power supplies)

-  Redundant fans

-  Hot swappable (must swap within 1 minute)

Sound

Measured sound power (maximum)

-  Fan speed: 40% duty cycle

-  Fan speed: 70% duty cycle

-  Fan speed: 100% duty cycle

-  64.9 dBA

-  69.3 dBA

-  76.7 dBA

Environment

Dimensions
(height x width x depth)

1.72 x 17.3 x 19.7 in. (4.4 x 43.9 x 50.5 cm)

Weight

22.0 lb (10 kg)

Operating temperature

-  32 to 104°F (0 to 40°C)

Storage temperature

-  -40 to 158°F (-40 to 70°C)

Operating relative humidity

-  10 to 85% noncondensing

-  Up to 5 days at maximum (85%) humidity

-  Recommend ASHRAE data center environment

Storage relative humidity

-  5 to 95% noncondensing

Altitude

-  0 to 10,000 ft (0 to 3000m)

Layer 2

-  Layer 2 switch ports and VLAN trunks

-  IEEE 802.1Q VLAN encapsulation

-  Support for up to 4096 VLANs

-  Rapid Per-VLAN Spanning Tree Plus (PVRST+) (IEEE 802.1w compatible)

-  MSTP (IEEE 802.1s): 64 instances

-  Spanning Tree PortFast

-  Spanning Tree Root Guard

-  Spanning Tree Bridge Assurance

-  Cisco EtherChannel technology (up to 32 ports per EtherChannel)

-  LACP: IEEE 802.3ad

-  Advanced port-channel hashing based on Layer 2, 3, and 4 information

-  vPC

-  Jumbo frames on all ports (up to 9216 bytes)

-  Storm control (unicast, multicast, and broadcast)

-  Private VLANs

-  NvGRE entropy

-  Resilient hashing

Layer 3

-  Layer 3 interfaces: Routed ports on interfaces, switch virtual interfaces (SVIs), port channels, and subinterfaces (total: 1024)

-  64-way ECMP

-  4000 ingress and 1000 egress ACL entries

-  IPv6 routing: Static, OSPFv3, and BGPv6

-  Routing protocols: Static, RIPv2, EIGRP, OSPF, and BGP

-  Bidirectional Flow Detection (BFD) for BGP, OSPF, and IPv4 static routes

-  HSRP and VRRP

-  ACL: Routed ACL with Layer 3 and 4 options to match ingress and egress ACLs

-  VRF: VRF-lite (IP VPN), VRF-aware unicast (BGP, OSPF, and RIP), and VRF-aware multicast

-  Unicast Reverse-Path Forwarding (uRPF) with ACL; strict and loose modes

-  Jumbo frame support (up to 9216 bytes)

-  Generic Routing Encapsulation (GRE) tunneling

-  Advanced BGP features including BGP add-path for eBGP and iBGP, remove-private-as enhancements and eBGP next hop unchanged

-  IP-in-IP Tunnel support

Multicast

-  Multicast: PIMv2, PIM-SM, and PIM-SSM

-  Bootstrap router (BSR), Auto-RP, and Static RP

-  MSDP and Anycast RP

-  Internet Group Management Protocol (IGMP) Versions 2 and 3

Quality of Service (QoS)

-  Layer 2 IEEE 802.1p (class of service [CoS])

-  8 hardware queues per port

-  Per-port QoS configuration

-  CoS trust

-  Port-based CoS assignment

-  Modular QoS CLI (MQC) compliance

-  ACL-based QoS classification (Layers 2, 3, and 4)

-  MQC CoS marking

-  Differentiated services code point (DSCP) marking

-  Weighted Random Early Detection (WRED)

-  CoS-based egress queuing

-  Egress strict-priority queuing

-  Egress port-based scheduling: Weighted Round-Robin (WRR)

-  Explicit Congestion Notification (ECN)

-  Configurable ECN marking per port

-  Priority Flow Control (with 3 no-drop queues and 1 default queue with strict priority scheduling between queues

-  Policy Based Routing (PBR)

Security

-  Ingress ACLs (standard and extended) on Ethernet

-  Standard and extended Layer 3 and 4 ACLs include IPv4, Internet Control Message Protocol (ICMP), TCP, and User Datagram Protocol (UDP)

-  VLAN-based ACLs (VACLs)

-  Port-based ACLs (PACLs)

-  Named ACLs

-  ACLs on virtual terminals (vtys)

-  DHCP snooping with Option 82

-  Port number in DHCP Option 82

-  DHCP relay

-  Dynamic Address Resolution Protocol (ARP) inspection

-  Configurable CoPP

-  SPAN with ACL filtering

Cisco Nexus Data Broker

-  Topology support for TAP and SPAN aggregation

-  Support for QinQ to tag input source TAP and SPAN ports

-  Configuration of symmetric hashing to load-balance traffic to multiple tools

-  Traffic filtering based on Layer 1 through Layer 4 header information

-  Traffic replication and forwarding to multiple monitoring tools

-  Robust RBAC

-  Northbound representational state transfer (REST) API for all programmability support

Management

-  POAP

-  Python scripting

-  Cisco EEM

-  Switch management using 10/100/1000-Mbps management or console ports

-  CLI-based console to provide detailed out-of-band management

-  In-band switch management

-  Locator and beacon LEDs

-  Configuration rollback

-  SSHv2

-  Secure Copy (SCP) server

-  Telnet

-  AAA

-  AAA with RBAC

-  RADIUS

-  TACACS+

-  Syslog

-  Syslog generation on system resources (for example, FIB tables)

-  Embedded packet analyzer

-  SNMP v1, v2, and v3

-  Enhanced SNMP MIB support

-  XML (NETCONF) support

-  Remote monitoring (RMON)

-  Advanced Encryption Standard (AES) for management traffic

-  Unified username and passwords across CLI and SNMP

-  Microsoft Challenge Handshake Authentication Protocol (MS-CHAP)

-  Digital certificates for management between switch and RADIUS server

-  Cisco Discovery Protocol Versions 1 and 2

-  RBAC

-  SPAN on physical layer, port channel, and VLAN

-  Tunable buffer allocation for SPAN

-  Encapsulated Remote SPAN (ERSPAN)

-  Ingress and egress packet counters per interface

-  PTP (IEEE 1588) boundary clock

-  Network Time Protocol (NTP)

-  Cisco OHMS

-  Comprehensive bootup diagnostic tests

-  Cisco Call Home

-  Cisco DCNM

-  Advanced buffer utilization monitoring

-  sFlow

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)

NXA-PAC-500W

Nexus 3K 500W AC PSU, Forward airflow (port side exhaust)

NXA-PAC-500W-B

Nexus 3K 500W AC PSU, 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)

NXA-PDC-500W

Nexus 3K 500W DC PSU, Forward airflow (port side exhaust)

NXA-PDC-500W-B

Nexus 3K 500W DC PSU, Reversed airflow (port side intake)

NXA-FAN-30CFM-F

Nexus 2K/3K single fan, Forward airflow (port side exhaust)

NXA-FAN-30CFM-B

Nexus 2K/3K single fan, Reversed airflow (port side intake)