Cisco Nexus 3048TP-1GE 1RU 48 x 10/100/1000 and 4 x 10GE ports (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)