N3K-C3232C Specification

Physical

· 1RU fixed form-factor switch

· 32 QSFP28 ports; each supports native 100 Gigabit Ethernet and 4 x 25 Gigabit Ethernet modes

· 2 redundant power supplies

· 4 redundant (3+1) fans

· Management, console, and USB flash-memory ports

Performance

· 6.4-Tbps switching capacity

· Forwarding rate of up to 3.3 bpps

· Line-rate traffic throughput (both Layer 2 and 3) on all ports

· Configurable maximum transmission unit (MTU) of up to 9216 bytes (jumbo frames)

Hardware tables and scalability

Number of MAC addresses

40,000

Number of VLANS

4096

Number of spanning-tree instances

· RSTP: 512

· MSTP: 64

Number of ACL entries

· 6000 ingress

· 1000 egress

Routing table

· Maximum number of longest-prefix-match (LPM) routes: 128,000

· Maximum number of IP host entries:72,000

· Maximum number of MAC address entries: 136,000

· Maximum number of Layer 3 multicast entries: 64,000

Number of EtherChannels

256 (with vPC)

Latency

~450ns

Number of ports per EtherChannel

32

Buffer size

16 MB shared

System memory

8 GB

Boot-flash memory

64 GB

Power

Frequency

50 to 60 Hz

Power-supply types

· AC (forward and reverse airflow)

Typical operating power

205 watts (W)

Maximum power

402W

AC PSUs

· Input voltage

· Frequency

· Efficiency

 · 100 to 240 VAC

· 50 to 60 Hz

· 89 to 91% at 220V

Power-supply efficiency

89 to 91% at 220V

Typical heat dissipation

700 BTU/hr

Maximum heat dissipation

1371 BTU/hr

Cooling

· Forward and reverse airflow schemes

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

◦   Reverse 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

 · 66.1 dBA

· 70.6 dBA

· 76.9 dBA

Environment

Dimensions (height x width x depth)

1.72 x 17.3 x 22.4 in. (4.4 x 43.9 x 56.8 cm)

Weight

22.2 lb (10.06 kg)

Temperature: Operating

32 to 104°F (0 to 40°C)

Temperature: Storage

-40 to 158°F (-40 to 70°C)

Relative humidity: Operating

· 10 to 85% noncondensing

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

· Recommend ASHRAE data center environment

Relative humidity: Storage

5 to 95% noncondensing

Altitude

0 to 10,000 ft (0 to 3000m)