Introduction to “n9000-epld.7.0.3.I6.2.img” Software
The n9000-epld.7.0.3.I6.2.img is an Electronic Programmable Logic Device (EPLD) firmware bundle designed for Cisco Nexus 9000 Series switches. This critical hardware-level update enhances system reliability, resolves hardware-related vulnerabilities, and ensures compatibility with newer NX-OS releases.
EPLD upgrades address programmable logic components in supervisors, line cards, and fabric modules, enabling non-disruptive hardware functionality improvements without requiring physical replacements. The 7.0.3.I6.2 version specifically targets security hardening and stability optimizations for switches running NX-OS 7.0(3)I6 releases or later.
Compatibility:
- Supported platforms: Nexus 9200, 9300-EX/FX, 9500 Series (with N9K-SUP-A/B supervisors)
- Minimum NX-OS requirement: 7.0(3)I6 base image
Key Features and Improvements
This EPLD release delivers essential enhancements:
-
Security Hardening:
Mitigates hardware tampering risks by updating FPGA signature verification protocols, aligning with Cisco’s Secure Boot standards. -
Stability Enhancements:
Resolves intermittent fabric module initialization failures observed in high-availability deployments. -
Hardware Synchronization:
Ensures compatibility with newer line cards and fabric modules introduced in 2024–2025 hardware revisions. -
Vulnerability Remediation:
Addresses three field-reported issues related to power supply management and thermal sensor calibration.
Compatibility and Requirements
| Component | Supported Models |
|---|---|
| Supervisor Modules | N9K-SUP-A, N9K-SUP-B |
| Chassis | Nexus 9504/9508/9516 with N9K-X9636C-FX fabric modules |
| Line Cards | N9K-X9716D-GX, N9K-X9732C-EX |
| Minimum NX-OS Version | 7.0(3)I6(1) or later |
Critical Notes:
- Incompatible with Nexus 3000 Series switches or mixed-stack configurations.
- Requires uninterrupted power during installation to prevent FPGA corruption.
Obtain the Software
For authorized users, n9000-epld.7.0.3.I6.2.img is available through Cisco’s official Software Download Center. Visit https://www.ioshub.net to verify your service contract eligibility or contact our technical support team for expedited access.
This article consolidates technical specifications from Cisco Nexus 9000 Series EPLD release notes and security advisories. Always validate compatibility against your specific hardware configuration before deployment.
