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Switches
Cisco Nexus 3000 Series Switches
Cisco Nexus 3408-S Switch
Series
Cisco Nexus 3000 Series Switches
Overview
Product Overview
Product Type
Data Center Switches
Status
Available
Order
Release Date
15-MAY-2019
Product ID
View All PIDs
Alternate PIDs for this product line:
N3K-C3408-B
N3K-C3408-I=
NXA-PDC-1100WPI-RF
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Recent Security Notices
27-Aug-2025
Security Advisory: Cisco Nexus 3000 and 9000 Series Switches Intermediate System-to-Intermediate System Denial of Service Vulnerability
27-Aug-2025
Security Advisory: Cisco NX-OS Software Sensitive Log Information Disclosure Vulnerability
27-Aug-2025
Security Advisory: Cisco Nexus 3000 and 9000 Series Switches Protocol Independent Multicast Version 6 Denial of Service Vulnerability
27-Aug-2025
Security Advisory: Cisco NX-OS Software Command Injection Vulnerability
07-May-2025
Security Advisory: Multiple Cisco Products Switch Integrated Security Features DHCPv6 Denial of Service Vulnerability
Document Categories
Configuration
Data Sheets and Product Information
Install and Upgrade
Literature
Multimedia
Reference
Security Notices
Troubleshooting
Data Sheets and Product Information
End-of-Life and End-of-Sale Notices
Most Recent
End-of-Sale and End-of-Life Announcement for the Cisco Nexus N3K-C3432D-S Fixed Switch
07-Mar-2025
End-of-Sale and End-of-Life Announcement for the Cisco Nexus 34200YC-SM
01-Aug-2023
End-of-Sale and End-of-Life Announcement for the Cisco Nexus 3464C switch
18-Jan-2023
End-of-Sale and End-of-Life Announcement for the Cisco Nexus 34180YC switch
18-Jan-2023
End-of-Sale and End-of-Life Announcement for the Cisco Nexus 3264Q Switch
18-Jan-2023
End-of-Sale and End-of-Life Announcement for the Cisco Nexus 3132Q-XL
18-Jan-2023
End-of-Sale and End-of-Life Announcement for the Cisco Nexus 3132Q-X Switch
18-Jan-2023
End-of-Sale and End-of-Life Announcement for the Cisco Nexus 3048 Switch
17-Jan-2023
End-of-Sale and End-of-Life Announcement for the Cisco Nexus 3408-S Switch
05-Jan-2023
End-of-Sale and End-of-Life Announcement for the Cisco Nexus 3000 Legacy Power Supply and Fans
30-Aug-2022
End-of-Sale and End-of-Life Announcement for the Cisco Nexus N3K-C3172PQ and N3K-C3172PQ-XL Switches
21-Oct-2021
End-of-Sale and End-of-Life Announcement for the Cisco Nexus 3232C
21-Oct-2021
End-of-Sale and End-of-Life Announcement for the Cisco Nexus N3K-C3172TQ and N3K-C3172TQ-XL Switches
21-Oct-2021
End-of-Sale and End-of-Life Announcement for the Cisco Nexus 31108PC-V, 31108TC-V and Nexus 3132Q-V
21-Oct-2021
End-of-Sale and End-of-Life Announcement for the Cisco Nexus 3524-X, 3548-X
05-Oct-2021
View all documentation of this type
Security Notices
Field Notices
Cisco Nexus 3408-S Switch
Field Notice: FN - 72433 - Nexus 3000 and 9000 Switch Traffic Disruptions and Control Plane Instability - Software Upgrade Recommended
01-Sep-2022
Field Notice: FN - 72115 - Nexus Product Line: QuoVadis Root CA 2 Decommission Might Affect Smart Licensing and Smart Call Home Functionality - Software Upgrade Recommended
02-Aug-2022
Field Notice: FN - 64233 - Nexus 3000 Series Switches That Run Release 6.0.(2)U6(x) Fail to Upgrade to Release 7.0.(x) with MD5 Sum Mismatch Error-BIOS Upgrade Required
24-Jan-2017
Security Advisories, Responses and Notices
Most Recent
Cisco Nexus 3000 and 9000 Series Switches Intermediate System-to-Intermediate System Denial of Service Vulnerability
27-Aug-2025
new
Cisco NX-OS Software Sensitive Log Information Disclosure Vulnerability
27-Aug-2025
new
Cisco Nexus 3000 and 9000 Series Switches Protocol Independent Multicast Version 6 Denial of Service Vulnerability
27-Aug-2025
new
Cisco NX-OS Software Command Injection Vulnerability
27-Aug-2025
new
Multiple Cisco Products Switch Integrated Security Features DHCPv6 Denial of Service Vulnerability
07-May-2025
Cisco NX-OS Software Image Verification Bypass Vulnerability
07-Apr-2025
Cisco Nexus 3000 and 9000 Series Switches Command Injection Vulnerability
26-Feb-2025
Cisco Nexus 3000 and 9000 Series Switches Health Monitoring Diagnostics Denial of Service Vulnerability
26-Feb-2025
Cisco NX-OS Software CLI Command Injection Vulnerability
17-Sep-2024
Cisco NX-OS Software Python Sandbox Escape Vulnerabilities
28-Aug-2024
Cisco NX-OS Software Bash Arbitrary Code Execution and Privilege Escalation Vulnerabilities
28-Aug-2024
Cisco NX-OS Software DHCPv6 Relay Agent Denial of Service Vulnerability
28-Aug-2024
Cisco NX-OS Software Command Injection Vulnerability
28-Aug-2024
Cisco Nexus 3000 and 9000 Series Switches Port Channel ACL Programming Vulnerability
28-Feb-2024
Cisco NX-OS Software External Border Gateway Protocol Denial of Service Vulnerability
28-Feb-2024
Multimedia
Infographics
Cisco Nexus 9000 and 3000 Series Switch Hardware Release Support Infographic
02-Aug-2019
(PDF - 1 MB)
Reference
Command References
Most Recent
Command Reference BookMap1
25-Feb-2022
Command Reference BookMap1
05-Mar-2021
Cisco Nexus 3000 Series NX-OS N3K Mode Command Reference (Configuration Commands), Release 9.3(1)
24-Sep-2019
Cisco Nexus 3000 Series NX-OS N3K Mode Command Reference (Show Commands), Release 9.3(1)
24-Sep-2019
Cisco Nexus 3000 Series NX-OS N9K Mode Command Reference (Configuration Commands), Release 9.3(1)
24-Sep-2019
Cisco Nexus 3000 Series NX-OS N9K Mode Command Reference (Show Commands), Release 9.3(1)
24-Sep-2019
Cisco Nexus 3548 NX-OS Command Reference (Configuration Commands), Release 9.3(1)
24-Sep-2019
Cisco Nexus 3548 NX-OS Command Reference (Show Commands), Release 9.3(1)
24-Sep-2019
Cisco Nexus 3400-S Series NX-OS Command Reference (Configuration Commands), Release 9.2(2)
03-Jul-2019
Cisco Nexus 3400-S Series NX-OS Command Reference (Show Commands), Release 9.2(2)
03-Jul-2019
Cisco Nexus 3600 Series NX-OS Command Reference (Configuration Commands), Release 7.0(3)F3(4)
06-Jul-2018
Cisco Nexus 3600 Series NX-OS Command Reference (Show Commands), Release 7.0(3)F3(4)
06-Jul-2018
Cisco Nexus 3548 NX-OS Command Reference (Configuration Commands), Release 7.0(3)I7(4)
25-Jun-2018
Cisco Nexus 3548 NX-OS Command Reference (Show Commands), Release 7.0(3)I7(4)
25-Jun-2018
Cisco Nexus 3000 Series NX-OS N9K Mode Command Reference (Configuration Commands), Release 7.0(3)I7(4)
20-Jun-2018
View all documentation of this type
Technical References
08-Jan-2014
(PDF - 1 MB)
Install and Upgrade
Install and Upgrade TechNotes
Cisco Nexus 3408-S Switch
Upgrade Nexus Matrix Tools
17-Jan-2025
Change Nexus 3000, 3100, and 3500 NX-OS Compact Image File Size
01-Feb-2024
Upgrade Nexus 3524 and 3548 NX-OS Software
06-Jan-2025
Upgrade Nexus 3048 NX-OS Software
24-May-2024
Upgrade Nexus 3000 and 3100 NX-OS Software
26-Jun-2023
Configuration
Configuration Examples and TechNotes
Configure VXLAN
15-Nov-2022
Configure and Verify Maximum Transmission Unit on Nexus Platforms
06-Mar-2024
Create Topologies for Routing over Virtual Port Channel
22-Jan-2024
Deploy Layer3 EVPN over Segment Routing MPLS [Ospf / iBGP] in Nexus 3000
13-Jul-2020
Nexus 3000/9000: Consolidated Interface Breakout configuration
14-Apr-2016
Troubleshooting
Troubleshooting TechNotes
Configure and troubleshoot PTP in Nexus 3000
19-Sep-2017
Develop, Debug and Deploy NX-SDK Python Application in Nexus 3000/9000 Switches
08-Jun-2018
Nexus 7000 Series Switch Problem with Remote User Authentication via SSH with a TACACS account
11-Sep-2013
Nexus 3500 Output Drops and Buffer QoS
08-Jan-2020
Nexus 3500 Series Switch Platform System Health Check Process
14-Feb-2014
Nexus 3000 average memory utilization
26-Jun-2019
Per-VLAN (SVI) counter feature on Nexus 3000 platform
16-Jan-2018
Understand Cyclic Redundancy Check Errors on Nexus Switches
10-Nov-2021
Understand Virtual Port Channel (vPC) Enhancements
05-Dec-2024
Literature
White Papers
Simplified 400-Gbps Cabling Deployment Solutions with Cisco Nexus 3000 Series Switches White Paper
18-Nov-2019
Downloads
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