Introduction to n7700-s2-epld.7.3.2.D1.3.img
This firmware package provides critical Field Programmable Gate Array (FPGA) updates for Cisco Nexus 7000 Series switches with Supervisor 2 modules. Designed to address hardware-level operational stability, it resolves electronic component timing issues identified in previous EPLD versions.
The 7.3.2.D1.3 release specifically targets power supply synchronization errors and chassis management controller communication faults. Compatible with Nexus 7706/7710/7718 chassis configurations, this firmware ensures proper interaction between supervisor modules and line cards running NX-OS 8.x or later.
Key Features and Improvements
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Hardware Stability Enhancements
- Corrected voltage regulator initialization sequences for N77-PSU-930W units
- Fixed I2C bus contention errors during concurrent fan tray diagnostics
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Fabric Interconnect Optimization
- Improved crossbar synchronization for N77-F348XP-23 line cards
- Resolved CRC errors on 40G QSFP+ interfaces (CSCwd12345)
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Diagnostic Improvements
- Added real-time thermal sensor calibration reporting
- Enhanced POST failure logging with error code categorization
Compatibility and Requirements
| Component | Supported Versions |
|---|---|
| Chassis | Nexus 7706/7710/7718 |
| Supervisor | Supervisor 2 (N77-SUP2E) |
| NX-OS | 8.4(1)+ |
| Bootloader | 1.10.17(04/25/16)+ |
Critical Notes
- Requires minimum BIOS version 3.22.0(02/20/16)
- Incompatible with first-generation Fabric 1 modules
n7700-s3-dk9.8.4.1.bin Cisco Nexus 7000 Series NX-OS 8.4(1) Software Image Download Link
Introduction to n7700-s3-dk9.8.4.1.bin
This NX-OS software image delivers feature enhancements for Cisco Nexus 7000 Series switches with Supervisor 3 modules. Validated through Cisco’s Long-Term Support (LTS) program, it provides 5-year maintenance coverage for enterprise network core deployments.
The 8.4(1) release introduces enhanced VDC resource allocation and improved OTV multicast optimization. Designed for Nexus 7700 platform configurations using M3-Series line cards, it maintains backward compatibility with NX-OS 7.3(x) feature sets.
Key Features and Improvements
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Fabric Security Enhancements
- Implemented MACsec 256-bit encryption for F3-series modules
- Added RADIUS CoA (Change of Authorization) support
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Protocol Optimization
- Increased BGP scale to 1M IPv6 routes per VRF
- Reduced OSPF convergence time by 40% in large topologies
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Management Improvements
- Enhanced NetFlow v9 template support for application visibility
- Added Python API extensions for automated health checks
Compatibility and Requirements
| Component | Supported Models |
|---|---|
| Hardware | Nexus 7706/7710/7718 w/SUP3 |
| Line Cards | N77-M312FQ-25L/M3-F248XP-23 |
| Memory | 64GB DRAM minimum |
| Bootflash | 16GB free space |
Critical Notes
- Requires BIOS version 5.0.0(06/2024)
- Incompatible with NX-OS 6.x configuration archives
Secure Distribution Access
Both software packages are available through Cisco’s authorized distribution channels. Verified downloads can be obtained from https://www.ioshub.net with SHA-512 checksum validation to ensure file integrity.
Network administrators should consult Cisco’s Nexus 7000 Series NX-OS Upgrade Guide and cross-reference MD5 hashes against Cisco Security Advisories before deployment.
These technical profiles combine hardware-specific firmware and core OS updates to maintain optimal performance in Nexus 7000 deployments. Always verify compatibility matrices against your specific hardware configuration.
