nxos.7.0.3.I7.9.bin
To download and install the image for your Cisco Nexus switches, you should use the official Cisco Software Central portal. This specific version is a "unified" image that supports multiple Nexus platforms, including the 3000 and 9000 series. 1. Locate and Download the Image Navigate to the Cisco Software Download navigator.
Quick checklist before upgrading
“Incompatible base version”
| Error Message | Likely Cause | Solution | | :--- | :--- | :--- | | | You are running a different NX-OS version (e.g., 7.2 or 8.x) than expected for i79 . | Upgrade or downgrade base OS to the required 7.3 train. Check Cisco release notes. | | “Insufficient space on bootflash” | .upd file requires temporary space for unpacking. | delete bootflash:old-crashinfo or remove old core dumps. show file system | | “Signature verification failed” | Corrupt download or tampered file. | Re-download from Cisco; re-verify GPG signature. | | “Patch activation caused process failure” | The active features conflict with the patch. | The patch may require a specific feature turned off (e.g., certain ACL configurations). Roll back with install patch deactivate and consult TAC. |
The switch responds with a green light—the upgrade is non-disruptive for the dual-supervisor setup. The admin types install all nxos bootflash:nxos.7.0.3.I7.9.bin and holds their breath. The console scrolls with messages about EPLD upgrades and module resets.
This command displays the current NXOS version, ensuring you've successfully updated to NXOS 7.0(3)I7(9)BIN.
: Ensure you have enough free space in the bootflash. If space is limited, consider using the Compact Image Procedure for releases 7.0(3)I7(8) and later. Upgrade Path
Example via SCP
You can transfer the image to the switch's bootflash: or usb1: (if a USB drive is inserted) using protocols like SCP, SFTP, or FTP. SCP and SFTP are recommended over TFTP for better speed and reliability. :