Warning: Downloading .bin files from third-party torrent sites, file-sharing forums, or unverified FTP servers poses significant security risks. Malicious actors can embed rootkits or backdoors into compromised images.
Before you proceed with the download, confirm compatibility. NX-OS 9.3.8 supports the following platforms:
| Platform Series | Specific Models Supported | Notes | |----------------|--------------------------|-------| | Nexus 3000 | 3048, 3064, 3132Q, 3172PQ, 3232C | Full support | | Nexus 3100 | 31108TC-V, 31108PC-V | Requires sufficient memory | | Nexus 3500 | 3524, 3548 | Limited to certain SKUs | | Nexus 3600 | 36180YC-R, 3636C-R | Recommended | | Nexus 9200 | 92160YC-X, 92300YC, 92348GC-X | Runs as NX-OS mode (not ACI) | | Nexus 9300-EX/FX | 93180YC-EX, 93108TC-FX, 93216TC-FX2 | Fully compatible |
Incompatible devices:
Check your current version:
Run show version on your switch. If the platform shows “kickstart image” as a different major version (e.g., 7.x or 10.x), verify upgrade/downgrade paths.
Search for the Nexus Operating System:
Navigate to the Product Page:
Find the Software Download Section:
Select Your Software Version:
Login or Register:
Download the Software:
In the world of enterprise data center networking, Cisco’s NX-OS operating system powers the majority of Nexus switches. Among the many software releases, nxos.9.3.8.bin stands out as a highly stable and widely recommended image for specific hardware platforms. Whether you are performing a scheduled upgrade, recovering a bricked switch, or building a lab environment, finding a legitimate and safe source for the nxos.9.3.8.bin download is critical.
This article provides everything you need to know—from official download sources and hardware compatibility to step-by-step installation procedures and troubleshooting common errors.
No valid contract? If you are a home lab user, look into Cisco’s "Cisco Modeling Labs" (CML) or DevNet Sandbox, which provide legal access to images, though typically not the .bin file for physical switches. For production, you must have a support contract.
| Use case | Alternative | |----------|-------------| | Lab / learning | Nexus 9000v (virtual switch) | | New deployment | Use latest 9.3(x) or 10.2(x) stable | | Old hardware | Check if 9.2.x or 7.0.x is last supported |
Final recommendation: Only download nxos.9.3.8.bin from Cisco.com using a valid service contract. If you need help locating the exact download page for your switch model, ask with your Nexus model number.
To download the nxos.9.3.8.bin image, you must use the Cisco Software Download
portal, as official NX-OS binaries are restricted to users with a valid Cisco account and service contract. Summary of Release 9.3(8)
NX-OS Release 9.3(8) is a stable deployment version for the Cisco Nexus 9000 Series. It introduced critical software and hardware support, including: GX Platform Support : Added support for Nexus 9300-GX switches. Compact Images
: This release supports "compact" images, which are smaller binary files designed for switches with limited bootflash space. VXLAN Enhancements
: Improved EVPN and VXLAN configurations for multi-site data center fabrics. Download and Installation Steps Obtain the Binary : Navigate to the Cisco Nexus 9000 Software Download page and select nxos.9.3.8.bin Verify Integrity nxos.9.3.8.bin download
: After downloading, always verify the file's integrity by comparing the MD5/SHA512 checksum using the command: show file bootflash:nxos.9.3.8.bin md5sum Transfer to Switch
: Use SCP or FTP to move the file to the switch's bootflash:
copy scp://user@server/nxos.9.3.8.bin bootflash:nxos.9.3.8.bin Perform Upgrade : Run the installation command to begin the upgrade: install all nxos bootflash:nxos.9.3.8.bin Critical Considerations write-ups/cisco nexus n3k-3048tp-1ge upgrade.md at master
The Cisco NX-OS Release 9.3(8) is a significant maintenance release for the Nexus 9000 series, primarily notable for addressing critical hardware security vulnerabilities. The following report outlines the download process, key technical highlights, and essential upgrade prerequisites. 1. Download Information
The official binary image, typically named nxos.9.3.8.bin, is available exclusively through the Cisco Software Download portal.
Access Requirements: A valid Cisco.com account and a service contract are required to download the software.
Verification: Cisco provides published MD5 and SHA512 checksums for the 9.3(8) image. It is critical to verify these after download to ensure image integrity.
Compact Images: For switches with limited storage (like some Nexus 3000/3100 models), compact versions of the software are also available starting from release 9.3(4). 2. Key Technical Highlights
Release 9.3(8) introduced several critical fixes and feature enhancements:
Security Remediation: This release includes a patch for the Secure Boot Hardware Tampering vulnerability (affecting Nexus 3000 and 9000 Series). This fix specifically requires an EPLD (Electronic Programmable Logic Device) upgrade to be applied in a specific sequence. Warning: Downloading
Feature Integration: Added integration for ThousandEyes (TE), allowing for enhanced network visibility and diagnostics directly from the switch.
Stability: Addressed numerous "Open Issues" from previous 9.3(x) cycles, improving overall system reliability for Cloud Scale line cards and fabric modules. 3. Upgrade Prerequisites & Best Practices
Before deploying nxos.9.3.8.bin, administrative teams should follow these steps to prevent downtime:
Health Check: It is highly recommended to perform a Nexus Health and Configuration Check to identify existing misconfigurations or known "Field Notices". Configuration Management:
Save the current configuration using copy running-config startup-config.
Verify there are no active configuration sessions (show configuration session summary).
Connectivity: Ensure the switch has reachability to your file server (SFTP, SCP, or FTP) for the image transfer. Verify this using ping .
EPLD Sequence: If you are remediating the Secure Boot vulnerability, you must install the NX-OS software first, followed by the specific 9.3(8) EPLD bundle. 4. Known Issues to Monitor Cisco Nexus 9000 Series NX-OS Release Notes, Release 9.3(8)
Table of Contents * New and Enhanced Software Features. * New Hardware Features. * Open Issues. * Resolved Issues. * Known Issues.
Instead, I can guide you on where and how to obtain the software: Check your current version: Run show version on