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N3K-C3408-S is the Cisco Nexus 3408-S switch with 32 ports of QSFP-DD. The Cisco Nexus® 3400-S is the first 400G programmable switch series in the Nexus 3000 portfolio with 50 Gbps PAM4 Serial-Deserializers (SerDes), designed for data centers with industry-leading performance-per-watt power efficiency at low latency, offering leading analytics.
Quick Spec
Figure 1 shows the Cisco N3K-C3408-S Switch.
Table 1 shows the quick spec.
|
SKU |
N3K-C3408-S |
|
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 |
|
Performance |
25.6-Tbps switching capacity |
|
Dimensions (height x width x depth) |
6.97 in. x 17.3 in. x 31.6 in. |
Product Details
Main benefits of the Cisco Nexus 3400-S switches:
● With the 12.8-Tbps ASIC, the Cisco Nexus 3408-S series provides 128 ports of 100G or 32 ports of 400G, allowing customers to grow at scale with fewer numbers of switches in their fabric, simplifying management and reducing cost and number of hops.
● At 400G, the Cisco Nexus 3400-S offers the lowest latency in the industry, of 370ns at high-power efficiency
● The Cisco Nexus 3400-S offers a programmable pipeline translated to flexible profiles, whether Longest-Prefix-Matching (LPM)-optimized or layer 3 host-optimized. Customers can choose the profile to match their deployment needs.
● The Cisco Nexus 3400-S supports comprehensive encapsulation and tunneling technologies, Virtual Extensible LAN (VXLAN), VXLAN routing, Multiprotocol Label Switching (MPLS), Generic Protocol Extension (GPE), Geneve, Network Virtualization Using Generic Routing Encapsulation (NVGRE), and more.
● Cisco Nexus 3400-S switches enable deep network analytics, offering per flow monitoring, queue forensics, and drop-packet forensics to help monitor customer networks.
The Cisco Nexus 3408-S is a 4-Rack-Unit (RU), 8-slot chassis with the flexibility of 100G or 400G Line-Card Expansion Modules (LEMs) offering 128 ports of 100G or 32 ports of 400G. The Cisco Nexus 3408-S is the industry’s highest port radix in a compact and energy-efficient form factor. The Cisco Nexus 3408-S supports HVAC/DC power inputs with forward airflow direction.
The Cisco Nexus 3408-S has the following hardware configuration:
● 4RU, 8-slot chassis
● NXM-X16C LEM with 16 ports of Quad-Small-Form-Factor 28 (QSFP28)
● NXM-X4D LEM with 4 ports of Quad Small Form-Factor Pluggable – Double Density (QSFP-DD)
● Beacon LED
● Status LED
● Dual-redundant power supplies
● Redundant (2+1) fans
● Two 100/1000-Mbps SFP ports
● One RS-232 console port
● One RJ45 and one SFP Management port
● One USB port
Figure 2 shows the Cisco Nexus NXM-X16C, 16 ports of 100G.
The 100G LEMs are 16 ports of QSFP28 supporting 100, 50, 40, 25, and 10G speeds.
The 400G LEMs are 4 ports of QSFP-DD that are backward-compatible with QSFP+, QSFP28, and QSFP56. Each QSFP-DD port can operate at 400, 100, 50, 40, and 25 Gbps.
The Modules, License and Accessories
Table 3 shows the recommended products.
|
Part number |
Description |
|
NXM-X16C |
Nexus 100G Line Expansion Module |
|
NXM-X4D |
Nexus 400G Line Expansion Module |
|
NXM-XBLNK |
Nexus Blank Line Expansion Module |
|
NXA-FAN-300CFM-PI |
Nexus fan, forward airflow (port-side intake) |
|
NXA-PHV-2KW-PI |
Nexus 2KW HV power supply, forward airflow (port-side intake) |
|
NXA-PDC-2KW-PI |
Nexus 2KW DC power supply, forward airflow (port-side intake) |
|
NXA-PAC-2KW-PI |
Nexus 2KW AC power supply, forward airflow (port-side intake) |
|
N3K-LAN3K9 |
Nexus 3408-S layer 3 LAN Enterprise License |
Compare to Similar Item
Table 4 shows the comparison.
|
SKU |
N3K-C3408-S |
N3K-C3432D-S |
|
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 |
● 32 fixed 400-Gigabit-Ethernet QSFP-DD ports ● Beacon LED ● Status LED ● Dual-redundant power supplies ● Redundant (5+1) fans ● Two 100/1000Mbps SFP ports in front (ports 33 and 34) ● One RS-232 serial console port ● One RJ45 and one SFP management port ● One USB port |
|
Performance |
25.6-Tbps switching capacity |
25.6 Tbps switching capacity |
|
Dimensions (height x width x depth) |
6.97 in. x 17.3 in. x 31.6 in. |
1.75 x 17.29 x 25.4 in. (4.44 x 43.91 x 64.51cm) |
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N3K-C3408-S Specification |
|
|
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 |
|
Performance |
25.6-Tbps switching capacity |
|
Number of MAC addresses |
120K |
|
Number of IPv4/IPv6 unicast routes |
440K / 360K |
|
Number of IPv4/IPv6 hosts |
192K / 96K |
|
Number of IPv4 multicast routes |
Up to 96K with 8K groups |
|
Number of VLANS |
4K |
|
Number of ACL entries |
3.5K ingress and 1.5K egress |
|
Number of spanning-tree instances |
Rapid Spanning Tree Protocol (RSTP): 123 Multiple Spanning Tree (MST) Protocol: 64 |
|
Number of EtherChannels |
512 |
|
Number of ports per EtherChannel |
up to 128 |
|
Buffer size |
70 Mb |
|
Boot flash memory |
128 GB |
|
Latency |
370 nsec |
|
Number of power supplies |
2 (redundant) |
|
Power supply types |
AC (forward airflow) |
|
Input voltage |
100 to 240 VAC |
|
Frequency |
50 to 60 Hz |
|
Power supply efficiency |
89 to 91% at 220V |
|
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) |
|
|
|
|
Dimensions (height x width x depth) |
6.97 in. x 17.3 in. x 31.6 in. |
|
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 |
|
Operating temperature |
32 to 104° F (0 to 40°C) |
|
Storage temperature |
-40 to 158° F (-40 to 70°C) |
|
Relative humidity |
5 to 95% non-condensing |
|
Altitude (operating) |
Designed to meet: -500 ft to 13,123 ft |
|
Altitude (non-operating) |
-1000 ft to 30,000 ft |
| Характеристики | |
| Altitude (non-operating) | -1000 ft to 30,000 ft |
| Altitude (operating) | Designed to meet: -500 ft to 13,123 ft |
| Boot flash memory | 128 GB |
| Buffer size | 70 Mb |
| 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) |
| Dimensions (height x width x depth) | 6.97 in. x 17.3 in. x 31.6 in. |
| Frequency | 50 to 60 Hz |
| Input voltage | 100 to 240 VAC |
| Latency | 370 nsec |
| Number of ACL entries | 3.5K ingress and 1.5K egress |
| Number of EtherChannels | 512 |
| Number of IPv4 multicast routes | Up to 96K with 8K groups |
| Number of IPv4/IPv6 hosts | 192K / 96K |
| Number of IPv4/IPv6 unicast routes | 440K / 360K |
| Number of MAC addresses | 120K |
| Number of ports per EtherChannel | up to 128 |
| Number of power supplies | 2 (redundant) |
| Number of spanning-tree instances | Rapid Spanning Tree Protocol (RSTP): 123Multiple Spanning Tree (MST) Protocol: 64 |
| Number of VLANs | 4K |
| Operating Temperature | 32 to 104° F (0 to 40°C) |
| Performance | 25.6-Tbps switching capacity |
| 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 |
| Power supply efficiency | 89 to 91% at 220V |
| Power supply types | AC (forward airflow) |
| Relative humidity | 5 to 95% non-condensing |
| Storage temperature | -40 to 158° F (-40 to 70°C) |
| 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 |
Теги: N3K-C3408-S Cisco