N3K-C3408-S Cisco Nexus 3408-S Switch with 32 Ports of QSFP-DD

Switch Cisco N3K-C3408-S Nexus 3408-S with 32 Ports of QSFP-DD 400GbE
Mã sản phẩm: N3K-C3408-S
Tình trạng: Còn hàng
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Switch Cisco N3K-C3408-S Nexus 3408-S with 32 Ports of QSFP-DD 400GbE

Cisco Part Number        : N3K-C3408-S
List Price                       : $

Bảo hành                       : 12 tháng
Made In                         : Asia
Stock                             : Liên hệ

Thiết bị chuyển mạch Cisco Nexus N3K-C3408-S là dòng switch hỗ trợ các cổng 400G đầu tiên trong danh mục Nexus 3000 với Bộ giải mã nối tiếp PAM4 (SerDes) 50 Gbps, được thiết kế cho các trung tâm dữ liệu với performance-per-watt hàng đầu trong ngành với độ trễ thấp, cung cấp các công cụ phân tích hàng đầu.

View Datasheet N3K-C3408-S 

Switch Cisco Nexus N3K-C3408-S được thiết kế 4RU, 8 Slot Chassis, linh hoạt với các line card mở rộng Line-Card Expansion Modules (LEMs) 100G và 400G, cung cấp 128 Ports 100G hoặc 32 Ports 400G với băng thông chuyển mạch lên tới 25.6-Tbps.

Switch Cisco N3K-C3408-S Nexus 3408-S with 32 Ports of QSFP-DD 400GbEThông số kỹ thuật Switch Cisco Nexus N3K-C3408-S

Product specifications
-  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
Hardware tables and scalability
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


Number of ports per EtherChannel

up to 128

Buffer size

70 Mb

Boot flash memory

128 GB


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

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.

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

Safety and EMC
Regulatory compliance Products should comply with CE Markings per directives 2004/108/EC and 2006/95/EC
-  UL 60950-1 Second Edition
-  CAN/CSA-C22.2 No. 60950-1 Second Edition
-  EN 60950-1 Second Edition
-  IEC 60950-1 Second Edition
-  AS/NZS 60950-1
-  GB4943
EMC: Emissions
-  47CFR Part 15 (CFR 47) Class A
-  AS/NZS CISPR22 Class A
-  CISPR22 Class A
-  EN55022 Class A
-  ICES003 Class A
-  VCCI Class A
-  EN61000-3-2
-  EN61000-3-3
-  KN22 Class A
-  CNS13438 Class A
EMC: Immunity
-  EN55024
-  CISPR24
-  EN300386
-  KN24
RoHS 5 compliant except for lead press-fit connectors

Các tính năng trên Switch Cisco N3K-C3408-S



Layer 2

-  Layer 2 switch ports and VLAN trunks
-  IEEE 802.1Q VLAN encapsulation
-  Support for up to 4096 VLANs
-  Rapid Per-VLAN Spanning Tree Plus (PVRST+) (IEEE 802.1w compatible)
-  MSTP (IEEE 802.1s): 64 instances
-  Spanning Tree PortFast
-  Spanning Tree Root Guard
-  Spanning Tree Bridge Assurance
-  Cisco EtherChannel technology (up to 24 ports per EtherChannel)
-  LACP: IEEE 802.3ad, IEEE 802.1ax
-  Advanced PortChannel hashing based on layer 2, 3, and 4 information
-  Jumbo frames on all ports (up to 9216 bytes)
-  Link-level flow control (IEEE 802.3x)
-  vPC

Layer 3

-  Layer 3 interfaces: Routed ports on interfaces, Switch Virtual Interfaces (SVIs), PortChannels, and subinterfaces (total: 1024)
-  64-way equal-cost multipath (ECMP)
-  4096 ACL entries
-  Routing protocols: Static, RIPv2, EIGRP, OSPF, and BGP
-  HSRP and VRRP
-  ACL: Routed ACL with layer 3 and 4 options to match ingress and egress ACLs
-  VRF: VRF-Lite (IP VPN), VRF-aware unicast (BGP, OSPF, and RIP), and VRF‑aware multicast
-  VRF route leaking
-  Jumbo frame support (up to 9216 bytes)


-  Multicast: PIMv2, PIM Sparse Mode (PIM-SM), SSM, and BiDir (not supported at first customer ship [FCS])
-  Bootstrap router (BSR), Auto-RP, and Static RP
-  Internet Group Management Protocol (IGMP) Versions 2 and 3


-  Ingress ACLs (standard and extended) on Ethernet
-  Standard and extended layer 3 to 4 ACLs include IPv4, Internet Control Message Protocol (ICMP), Transmission Control Protocol (TCP), and User Datagram Protocol (UDP)
-  VLAN-based ACLs (VACLs)
-  Port-based ACLs (PACLs)
-  ACLs on virtual terminals (VTYs)
-  Dynamic Host Configuration Protocol (DHCP) relay
-  Control Plane Policing (CoPP)

Cisco Nexus Data Broker

-  Topology support for tap and SPAN aggregation
-  Traffic load balancing to multiple monitoring tools
-  Packet truncation
-  Traffic filtering based on layer 1 through layer 4 header information
-  Traffic replication and forwarding to multiple monitoring tools
-  Robust Role-Based Access Control (RBAC)
-  Northbound Representational State Transfer (REST) API for all programmability support


-  Power On Auto Provisioning (POAP)
-  Python scripting
-  Switch management using 10/100/1000-Mbps management or console ports
-  CLI-based console to provide detailed out-of-band management
-  In-band switch management
-  Locator and beacon LEDs
-  Configuration rollback
-  SSHv2
-  Telnet
-  AAA
-  AAA with RBAC
-  Syslog
-  Embedded packet analyzer
-  SNMP v1, v2, and v3
-  Enhanced SNMP MIB support
-  XML (NETCONF) support
-  Remote monitoring (RMON)
-  Advanced Encryption Standard (AES) for management traffic
-  Unified username and passwords across CLI and SNMP
-  Microsoft Challenge Handshake Authentication Protocol (MS-CHAP)
-  Digital certificates for management between switch and RADIUS server
-  Cisco Discovery Protocol Versions 1 and 2
-  SPAN on physical, PortChannel, and VLAN
-  ERSPAN Versions 2 and 3
-  Ingress and egress packet counters per interface
-  Network Time Protocol (NTP)
-  Cisco Online Health Management System (OHMS)
-  Comprehensive bootup diagnostic tests
-  Cisco DCNM
-  Active buffer monitoring

Switch Cisco Nexus N3K-C3408-S Option

Part number




Nexus 100G Line Expansion Module


Nexus 400G Line Expansion Module


Nexus Blank Line Expansion Module


Nexus fan, forward airflow (port-side intake)


Nexus 2KW HV power supply, forward airflow (port-side intake)


Nexus 2KW DC power supply, forward airflow (port-side intake)


Nexus 2KW AC power supply, forward airflow (port-side intake)

Software Licenses


Nexus 3408-S layer 3 LAN Enterprise License



Nexus 3408-S switch with 32 ports of QSFP-DD spare


Nexus 100G Line Expansion Module spare


Nexus 400G Line Expansion Module spare


Nexus Blank Line Expansion Module spare


Nexus fan, forward airflow (port-side intake) spare


Nexus 2KW HV power supply, forward airflow (port-side intake) spare


Nexus 2KW DC power supply, forward airflow (port-side intake) spare


Nexus 2KW AC power supply, forward airflow (port-side intake) spare

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