N3K-C3048TP-1GE Specification

Physical

· 1RU fixed form-factor switch

· 48 10/100/1000-Mbps RJ-45 ports

· 4 1/10 Gbps SFP+ uplink ports

· 2 redundant power supplies

· 1 fan tray with redundant fans

· 1 I/O module with management, console, and USB flash memory ports

Performance

· 176-Gbps switching capacity

· Forwarding rate of 132 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

ACL entries

2000 ingress

1000 egress

Routing table

16,000 prefixes and 16,000 host entries

8000 multicast routes

Number of EtherChannels

52 (with vPC)

Number of ports per EtherChannel

16

Buffers

9 MB shared

Boot flash memory

2 GB

Power

Number of power supplies

2 (redundant)

Typical operating power

120 watts (W) (48p of 1G and 4p of 10G/SR at 100% load, with 2 power supply units [PSUs])

Maximum power

124W

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

Efficiency

 -40 to -72 VDC

33A

85 to 88%

Typical heat dissipation

409 BTU/hr (48p of 1G and 4p of 10G/SR at 100% load, with 2 PSUs)

Maximum heat dissipation

423 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)

Single fan tray with redundant fans

Hot swappable (must swap within 1 minute)

Sound

Measured sound power (maximum)

Fan speed: 40% duty cycle

Fan speed: 60% duty cycle

Fan speed: 100% duty cycle

63.9 dBA

64.7 dBA

66.4 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

20.5 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)