Nexus 3408-S switch with 32 ports of QSFP-DD
N3K-C3408-S Specification |
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Physical |
● 4 RU, 8-slot chassis ● Beacon LED ● Status LED ● Dual-redundant power supplies ● Redundant (2+1) fans ● Two 100/1000Mbps SFP ports ● One RS-232 serial console port ● One RJ45 and one SFP management port ● One USB port |
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Performance |
25.6-Tbps switching capacity |
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Number of MAC addresses |
120K |
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Number of IPv4/IPv6 unicast routes |
440K / 360K |
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Number of IPv4/IPv6 hosts |
192K / 96K |
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Number of IPv4 multicast routes |
Up to 96K with 8K groups |
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Number of VLANS |
4K |
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Number of ACL entries |
3.5K ingress and 1.5K egress |
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Number of spanning-tree instances |
Rapid Spanning Tree Protocol (RSTP): 123 Multiple Spanning Tree (MST) Protocol: 64 |
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Number of EtherChannels |
512 |
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Number of ports per EtherChannel |
up to 128 |
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Buffer size |
70 Mb |
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Boot flash memory |
128 GB |
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Latency |
370 nsec |
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Number of power supplies |
2 (redundant) |
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Power supply types |
AC (forward airflow) |
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Input voltage |
100 to 240 VAC |
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Frequency |
50 to 60 Hz |
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Power supply efficiency |
89 to 91% at 220V |
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Cooling |
Forward airflow: Port-side intake (air enters through ports and exits through fan tray and power supplies) Six individual, hot-swappable fans (5+1 redundant) |
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Dimensions (height x width x depth) |
6.97 in. x 17.3 in. x 31.6 in. |
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Weight |
N3K-C3408-S weight across configurations: ● 68 lb (without LEMs, PSUs, or fans) ● 107.7 lb (with eight 100G LEMs, PSUs, and fans) ● 104.5 lb (with eight 400G LEMs, PSUs, and fans) Individual LEMs: ● NXM-X16C (100G LEM) – 3.6 lb ● NXM-X4D (400G LEM) – 3.2 lb |
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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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Relative humidity |
5 to 95% non-condensing |
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Altitude (operating) |
Designed to meet: -500 ft to 13,123 ft |
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Altitude (non-operating) |
-1000 ft to 30,000 ft |
