N3K-C3048TP-1GE is one of the Cisco Nexus 3048 switches. Cisco Nexus 3048 Switch is a line-rate Gigabit Ethernet top-of-rack (ToR) switch and is part of the Cisco Nexus 3000 Series Switches portfolio. Cisco Nexus 3048, provides compact one-rack-unit (1RU) form factor and integrated Layer 2 and 3 switching, Cisco NX‑OS Software operating system, and supports both forward and reversed airflow schemes with AC and DC power inputs.
N3K-C3048TP-1GE Specification |
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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 |
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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) |
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Hardware tables and scalability |
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MAC addresses |
128,000 |
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Number of VLANS |
4096 |
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Spanning-tree instances |
· RSTP: 512 · MSTP: 64 |
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ACL entries |
2000 ingress 1000 egress |
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Routing table |
16,000 prefixes and 16,000 host entries 8000 multicast routes |
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Number of EtherChannels |
52 (with vPC) |
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Number of ports per EtherChannel |
16 |
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Buffers |
9 MB shared |
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Boot flash memory |
2 GB |
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Power |
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Number of power supplies |
2 (redundant) |
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Typical operating power |
120 watts (W) (48p of 1G and 4p of 10G/SR at 100% load, with 2 power supply units [PSUs]) |
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Maximum power |
124W |
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AC PSUs Input voltage Frequency Efficiency |
100 to 240 VAC 50 to 60 Hz 89 to 91% at 220V |
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DC PSUs Input voltage Maximum current Efficiency |
-40 to -72 VDC 33A 85 to 88% |
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Typical heat dissipation |
409 BTU/hr (48p of 1G and 4p of 10G/SR at 100% load, with 2 PSUs) |
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Maximum heat dissipation |
423 BTU/hr |
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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) |
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Sound |
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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 |
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Environment |
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Dimensions (height x width x depth) |
1.72 x 17.3 x 19.7 in. (4.4 x 43.9 x 50.5 cm) |
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Weight |
20.5 lb (9.3 kg) |
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Operating temperature |
32 to 104°F (0 to 40°C) |
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Storage temperature |
-40 to 158°F (-40 to 70°C) |
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Operating relative humidity |
10 to 85% noncondensing Up to 5 days at maximum (85%) humidity Recommend ASHRAE data center environment |
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Storage relative humidity |
5 to 95% noncondensing |
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Altitude |
0 to 10,000 ft (0 to 3000m) |
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