|
Physical
|
- 1RU fixed form factor
◦ 48 SFP ports support 1 and 10 Gigabit Ethernet
◦ 6 QSFP ports support 4 x 10 Gigabit Ethernet or 40 Gigabit Ethernet each
|
|
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)
|
|
Buffer size
|
12 MB shared
|
|
Boot flash
|
2 GB (3172PQ, 3172TQ, and 3172TQ-32T)
|
|
Power
|
Number of power supplies
|
2
|
|
Typical operating power
|
143 W
|
|
Maximum power
|
293W
|
|
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
|
488 BTU/hr
|
|
Maximum heat dissipation
|
1000 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)
|
1.72 x 17.3 x 17 in. (4.4 x 43.9 x 43.2 cm)
|
|
Weight
|
18.6 lb (8 4 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)
|
Switch
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