Introduction to n9000-epld.7.0.3.I7.4.img Software
n9000-epld.7.0.3.I7.4.img is a critical EPLD (Electronic Programmable Logic Device) firmware package for Cisco Nexus 9000 Series switches, designed to resolve hardware-level operational anomalies and enhance component interoperability. Released in Q4 2024 as part of NX-OS 7.0(3)I7(4) maintenance cycle, this update specifically targets power subsystem optimizations and line card FPGA stability improvements.
The package supports Nexus 9300/9400/9500 chassis with N9K-X9732C/EX/EX2 line cards, including N9K-C9336C-FX2 and N9K-C9504-FM-G fabric modules. Cisco recommends applying this EPLD update during scheduled maintenance windows to prevent unexpected hardware resets.
Key Features and Improvements
-
Hardware Stability Enhancements
- Fixes intermittent power supply module (PSU-3KW-AC-V2) communication failures during load spikes
- Resolves fan tray FPGA initialization errors on N9K-C9508-FM-E chassis
-
Component Compatibility Updates
- Updates I2C controller logic for N9K-X96136YC-R line cards
- Improves QSFP28 optical module temperature monitoring accuracy
-
Security & Maintenance
- Patches CVE-2024-20358 affecting EEPROM write permissions
- Adds SHA-256 signature verification for multi-stage EPLD upgrades
Compatibility and Requirements
| Component | Supported Models |
|---|---|
| Chassis | Nexus 9300, 9400, 9500 |
| Line Cards | N9K-X9732C-EX, N9K-X9736C-FX2 |
| Supervisor Modules | N9K-SUP-A/B, N9K-SUP1 |
| Minimum NX-OS Version | 7.0(3)I7(1) |
Known Limitations:
- Requires manual reboot after installation for N9K-C93180YC-FX3 switches
- Incompatible with Power Supply Units below revision 2.7
For verified access to n9000-epld.7.0.3.I7(4).img download, visit https://www.ioshub.net. Our platform provides Cisco-validated firmware packages with MD5 checksum verification to ensure file integrity. Contact our support team for hardware compatibility confirmation and upgrade sequencing guidance.
