As of the publishing of this guide, the version 9.3.8 is part of the older 9.3(x) train. For context, Cisco has moved on to later versions like 9.3(13), 10.x, and newer. While not all older releases have a public End-of-Life (EOL) date, product lifecycles vary greatly. To ensure you're running a supported and secure version, always check the specific lifecycle information for your switch hardware and desired software release on the official Cisco website.

Click the download icon to save the file to your local administrative workstation or directly to your network's SFTP/TFTP server. Before leaving the page, provided by Cisco. These are required to verify that the file was not corrupted during transit. Verifying the Download Integrity

: Refines the ISSU logic to minimize control-plane downtime when transitioning between compatible micro-codes. 2. Locating and Downloading nxos.9.3.8.bin

While newer major release trains exist, the 9.3(x) train remains a cornerstone for enterprise data centers due to its mature codebase. Release 9.3(8) specifically addresses critical software defects, security vulnerabilities (Common Vulnerabilities and Exposures, or CVEs), and memory leaks found in earlier iterations. It offers a reliable balance of modern features—such as robust VXLAN EVPN fabrics and deep telemetry support—without the overhead of bleeding-edge software trains. Prerequisite Checklist Before Downloading

Cisco retains strict control over binary distribution to protect its supply chain and intellectual property. The file nxos.9.3.8.bin cannot be legally or safely sourced from third-party mirrors, file-sharing networks, or unverified public repositories. Step-by-Step Download Process

I can provide the exact upgrade command sequence and highlight any known caveats for your specific configuration. Share public link

: Native deployment support for ThousandEyes (TE) Agents directly on Nexus 9000 series hardware, facilitating end-to-end network visibility and synthetics monitoring across data center boundaries.

A user downgrading from NX‑OS 10.1.2 to 9.3.8 encountered this error because SNMP users with DES privacy type were present—a configuration that is not supported in the older release.

Running-config contains configuration that is incompatible with the new image (strict incompatibility). Please run 'show incompatibility-all nxos <image>' command to find out which feature needs to be disabled.

Cisco requires a valid support contract. – they may contain malware or corrupted images.

On your local machine (Linux/macOS terminal or Windows PowerShell), run the checksum utility against the downloaded file: sha512sum nxos.9.3.8.bin macOS: shasum -a 512 nxos.9.3.8.bin

Select the matching product from the auto-suggested dropdown list. Step 3: Select the NX-OS Software Category

In the left-hand version tree, expand the train and click on 9.3(8) .

Use secure protocols like SCP or SFTP to move the .bin file to the switch's bootflash: .