Physical
|
● 1RU fixed form factor
● Cisco Nexus 3172PQ and 3172PQ-XL: 72 x 10 Gigabit Ethernet ports (48 SFP+ and 6 QSFP+)
◦ 48 SFP ports support 1 and 10 Gigabit Ethernet
◦ 6 QSFP ports support 4 x 10 Gigabit Ethernet or 40 Gigabit Ethernet each
● Redundant fans (3+1)
● 2 redundant power supplies
● Management, console, and USB flash-memory ports
|
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 (3172PQ, 3172TQ, and 3172TQ-32T)
|
8 GB (3172PQ-XL and 3172TQ-XL)
|
Buffer size
|
12 MB shared
|
Boot flash
|
2 GB (3172PQ, 3172TQ, and 3172TQ-32T)
16 GB (3172PQ-XL and 3172TQ-XL)**
|
Power
|
Number of power supplies
|
2
|
Power supply types
|
● AC (forward and reversed airflow)
◦ – N2200-PAC-400W and N2200-PAC-400W-B (PQ models)
◦ – NXA-PAC-500W and NX-PAC-500W-B (TQ models)
● DC (forward and reversed airflow)
◦ – N2200-PDC-400W and N3K-PDC-350W-B (PQ models)
◦ – NXA-PDC-500W and NX-PDC-500W-B (TQ models)
|
Typical operating power
|
● 3172PQ and 3172PQ-XL: 143 W
● 3172TQ and 3172TQ-XL: 360 W
|
Maximum power
|
3172PQ and 3172PQ-XL: 293W
3172TQ and 3172TQ-XL: 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
|
● 3172PQ and 3172PQ-XL: 488 BTU/hr
● 3172TQ and 3172TQ-XL: 1228 BTU/hr
|
Maximum heat dissipation
|
● 3172PQ and 3172PQ-XL: 1000 BTU/hr
● 3172TQ and 3172TQ-XL: 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)
|
● 3172PQ and 3172PQ-XL:
1.72 x 17.3 x 17 in. (4.4 x 43.9 x 43.2 cm)
● 3172TQ, 3172TQ-32T and 3172TQ-XL:
1.72 x 17.3 x 19.7 in. (4.4 x 43.9 x 50.5 cm)
|
Weight
|
● 3172PQ and 3172PQ-XL: 18.6 lb (8 4 kg)
● 3172TQ, 3172TQ-32T and 3172TQ-XL: 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)
|