Introduction to oac.7.3.4.N1.1.ova Software
The oac.7.3.4.N1.1.ova virtual appliance provides centralized monitoring for Cisco NCS 2000/8000 series optical transport networks. This Q2 2025 release introduces machine learning-driven anomaly detection algorithms specifically optimized for 800G ZR+ coherent optics deployments. Compatible with Cisco Crosswork Automation Suite 4.3+, it enables real-time performance analysis across multi-vendor DWDM infrastructures.
Key Features and Improvements
- Coherent Optics Analytics
- 800G ZR+ performance benchmarking with 95th percentile latency tracking
- Nonlinear impairment modeling for OpenROADM 4.0 compliance
- Multi-Domain Visibility
- Segment routing over colorless/directionless ROADM visualization
- Alien wavelength monitoring through OpenConfig 3.4 interfaces
- Security Enhancements
- FIPS 140-3 validated TLS 1.3 communication
- Hardware security module (HSM) integration for key management
Compatibility and Requirements
| Component | Supported Versions |
|---|---|
| Hypervisor | ESXi 8.0U2+, KVM (RHEL 9.2+) |
| Optical Platforms | NCS 2006/2015/2055/8009 |
| RAM | 32GB (64GB recommended) |
Requires Crosswork Network Controller 4.3.2+ for full functionality. Incompatible with Ciena WaveServer AIO configurations.
n7700-s3-epld.8.4.1.img Cisco Nexus 7700 Series Supervisor 3 EPLD Firmware 8.4(1) Download Link
Introduction to n7700-s3-epld.8.4.1.img Software
This EPLD (Erasable Programmable Logic Device) image updates field-programmable gate arrays on Nexus 7700 Supervisor 3 modules. Released March 2025, version 8.4(1) resolves critical timing constraints in 400G MACsec encryption pipelines while improving ASIC thermal management algorithms.
Key Features and Improvements
- Hardware Acceleration
- 400G MACsec throughput increased to 1.6Tbps per line card
- Improved CRC error correction for QSFP-DD interfaces
- Diagnostic Enhancements
- Real-time SER (Soft Error Rate) monitoring
- Predictive fan failure analysis through tachometer telemetry
Compatibility and Requirements
| Component | Supported Versions |
|---|---|
| Hardware | Nexus 7718/7710 with SUP3E |
| NX-OS | 8.4(1)+ |
| CMP | 4.2.3+ |
Requires simultaneous upgrade of CMP module firmware. Incompatible with M3-series line cards using firmware below 6.1.7.
Obtain Software Packages
Both packages are available through Cisco’s Software Download Center or authorized partners like https://www.ioshub.net. Always verify SHA-256 checksums against Cisco Security Bulletins before deployment.
[Network engineers must possess valid Cisco service contracts for production deployment. Test environments require at least Evaluation licenses.]
