N3K-C31108TC-V is the Nexus 31108TC-V, 48 10Gbase-T RJ-45 and 6 QSFP28 ports. The Cisco Nexus 3100-V switch platform is the latest addition to the industryās widely deployed Cisco Nexus 3100 platform. The Cisco Nexus 3100-V platform consists of high-density, low-power-consumption, and low-latency fixed-configuration data center switches with line-rate Layer 2 and 3 features that support enterprise applications, service provider hosting, High-Performance Computing (HPC), and cloud computing environments. These switches support a wide range of port speeds with flexible combinations of 1/10/40/100-Gbps connectivity with improved port density and scalability in compact 1-rack-unit (1RU) form factors.
N3K-C31108TC-V Specification |
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Physical | āĀ Ā 1RU fixed form factor
ā Ā Cisco Nexus 31108TC-V ⦠48 RJ-45 ports support 100 Mbps, 1 Gbps, and 10 Gbps ⦠6 QSFP ports support 4 x 10 Gigabit Ethernet or 40 Gigabit Ethernet each or 100 Gigabit Ethernet āĀ Ā Redundant fans (3+1) āĀ Ā 2 redundant power supplies āĀ Ā Management, console, and USB flash-memory ports |
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Performance | āĀ Ā 2.16-Tbps switching capacity and forwarding rate of up to 1.2 bpps for 31108PC-V and 31108TC-V
āĀ Ā Line-rate traffic throughput (both Layer 2 and 3) on all ports āĀ Ā Configurable maximum transmission units (MTUs) of up to 9216 bytes (jumbo frames) |
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Hardware tables and scalability | Number of MAC addresses | 288,000 |
Number of VLANS | 4096 | |
Number of spanning-tree instances | āĀ Ā RSTP: 512
āĀ Ā MSTP: 64 |
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Number of ACL entries | āĀ Ā 16,000 ingress
āĀ Ā 1000 egress |
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Routing table | āĀ Ā 16,000 prefixes and 16,000 host entries
āĀ Ā 8000 multicast routes |
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Number of EtherChannels | 64 (with vPC) | |
Number of ports per EtherChannel | 32 | |
System memory | 16 GB | |
Buffer size | 16 MB shared | |
Boot flash | 64 GB SSD (31108PC-V, 31108TC-V, and 31108TCV-32T) | |
Power | Number of power supplies | 2 |
Power supply types | āĀ Ā AC (forward and reverse airflow)
āĀ Ā NXA-PAC-650W-PE and NX-PAC-650W-PI (31108 models) āĀ Ā DC (forward and reverse airflow) āĀ Ā NXA-PDC-930W-PE and NX-PDC-930W-PI (31108 models) |
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Typical operating power | āĀ Ā Cisco Nexus 31108TC-V and 31108TCV-32T: 260W | |
Maximum power | āĀ Ā Cisco Nexus 31108TC-V and 31108TCV-32T: 470W | |
AC PSUs
āĀ Ā Input voltage āĀ Ā Frequency āĀ Ā Efficiency |
āĀ Ā 100 to 240 VAC āĀ Ā 50 to 60 Hz āĀ Ā 89 to 91% at 220V |
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DC PSUs
āĀ Ā Input voltage āĀ Ā Maximum current (PSU output ā System input) āĀ Ā Efficiency |
āĀ Ā ā40 to ā72 VDC āĀ Ā 33A (400W unit), 78A (930W unit) āĀ Ā 85 to 88% |
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Typical heat dissipation | āĀ Ā Cisco Nexus 31108TC-V and 31108TCV-32T: 887 BTU/hr | |
Maximum heat dissipation | āĀ Ā Cisco Nexus 31108TC-V and 31108TCV-32T: 1603 BTU/hr | |
Cooling | āĀ Ā Forward and reverse airflow schemes:
ā¦Ā Ā Ā Ā Forward airflow: Port-side exhaust (air enters through fan tray and power supplies and exits through ports) ā¦Ā Ā Ā Ā Reverse airflow: Port-side intake (air enters through ports and exits through fan tray and power supplies) āĀ Ā Redundant fans āĀ Ā Hot swappable (must swap within 1 minute) |
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Sound | Measured sound power (maximum)
āĀ Ā Fan speed: 40% duty cycle āĀ Ā Fan speed: 70% duty cycle āĀ Ā Fan speed: 100% duty cycle |
āĀ Ā 64.9 dBA
āĀ Ā 69.3 dBA āĀ Ā 76.7 dBA |
Environment | Dimensions (height x width x depth) |
āĀ Ā Cisco Nexus 31108PC-V, 31108TC-V, and 31108TCV-32T: 1.72 x 17.3 x 22.3 in. (4.4 x 43.9 x 56.6 cm) |
Weight | āĀ Ā Cisco Nexus 31108TC-V and 31108TCV-32T: 22.0 lb (10 kg) | |
Operating temperature | āĀ Ā 32 to 104°F (0 to 40°C) | |
Storage temperature | āĀ Ā ā40 to 158°F (ā40 to 70°C) | |
Operating relative humidity | āĀ Ā 10 to 85% noncondensing
āĀ Ā Up to 5 days at maximum (85%) humidity āĀ Ā Recommend ASHRAE data center environment |
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Storage relative humidity | āĀ Ā 5 to 95% noncondensing | |
Altitude | āĀ Ā 0 to 10,000 ft (0 to 3000m) |
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