Physical

-  1RU fixed form-factor switch

-  32 QSFP+ ports; each supports native 40 Gigabit Ethernet and 4 x 10 Gigabit Ethernet modes

-  4 SFP+ ports

-  2 redundant power supplies

-  4 redundant (3+1) fans

-  Management, console, and USB flash-memory ports

Performance

-  2.5-Tbps switching capacity

-  Forwarding rate up to 1.4 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

16

System memory

4 GB

Buffer size

12 MB shared

Log Flash

2GB

Boot-flash memory

4 GB

Power

Frequency

50 to 60 Hz

Power supply types

-  AC (forward and reversed airflow)

-  DC (forward and reversed airflow)

Typical operating power

170W

Maximum power

290W

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)

-  85 to 88%

Power-supply efficiency

89 to 91% at 220V

Typical heat dissipation

580 BTU/hr

Maximum heat dissipation

989 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

-  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 19.7 in. (4.4 x 43.9 x 50.5 cm)

Weight

21.5 lb (9.3 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)