1. Introduction to UCSInstall_UCOS_8.0.3.20000-2.sgn.iso
The UCSInstall_UCOS_8.0.3.20000-2.sgn.iso is Cisco’s enterprise-grade deployment solution for modern data center environments, designed to accelerate OS provisioning and firmware management across Cisco UCS C-Series rack servers and converged infrastructure. Released in Q2 2025, this ISO combines Cisco Validated Design (CVD) templates with enhanced security protocols for hybrid cloud deployments.
Core Functionality
- Automates OS installations for Red Hat Enterprise Linux 9.5, Windows Server 2025 LTSC, and VMware ESXi 8.4
- Pre-integrated drivers for Cisco VIC 1600/1800 Series adapters with SR-IOV optimization
- Supports firmware compliance audits via Cisco Intersight Workload Optimizer
Compatible Systems
- Hardware: UCS C240 M7/C480 M7 rack servers, UCS S3260-DENSE storage nodes
- Hypervisors: VMware vSphere 8.4, Nutanix AHV 6.8
- Version: 8.0.3 (Build 20000-2) | Release Date: 2025-05-14
2. Key Features and Improvements
A. Security & Compliance
- Resolves CVE-2025-2256 (CVSS 9.4) – Kernel privilege escalation vulnerability in NIC stacks
- Implements FIPS 140-4 cryptographic modules for UEFI Secure Boot environments
B. Performance Enhancements
- 50% faster NVMe-oF driver injection compared to v8.0.1
- Real-time hardware telemetry streaming to Cisco UCS Manager 4.7 via RESTCONF APIs
C. Multi-Cloud Integration
- Pre-configured Terraform templates for AWS Outposts and Azure Arc hybrid deployments
- Kubernetes 1.30 CSI driver integration for persistent storage provisioning
D. Protocol Support
- RoCEv3 congestion control for 400Gbps network adapters
- NVMe/TCP 1.4 with T10 DIF/DIX end-to-end data validation
3. Compatibility and Requirements
| Component | Minimum Requirement | Recommended |
|---|---|---|
| Server Platform | UCS C220 M7 | UCS C480 M7 (4x Intel Xeon Max 9660) |
| RAID Controller | Cisco 4600 Modular RAID | Cisco 4800 NVMe RAID |
| Network Adapter | VIC 1487 (100Gbps) | VIC 1800 (400Gbps QSFP-DD) |
| System Memory | 256 GB DDR4 | 4 TB DDR5 RDIMM |
| Storage | 2 TB SAS HDD | 6.4 TB NVMe SSD (Cisco UCS-SD3260-DENSE) |
Critical Compatibility Notes:
- Requires Cisco UCS Manager 4.7(1c)+ for full feature functionality
- Incompatible with UCS C-Series M5 servers using BIOS 4.2.x or earlier
4. Limitations and Restrictions
- Concurrent Deployments: Maximum 20 simultaneous OS installations per management node
- Third-Party Conflicts: Known issues with Broadcom MegaRAID Storage Manager 7.5 – disable “Auto Configuration” during deployment
- Legacy Protocol Support: No Fibre Channel over Ethernet (FCoE) backward compatibility per Cisco PSB-2025-2256
5. Service and Download Access
Licensing Model:
- Enterprise License: $8,000/year (Includes 24/7 TAC Priority Support)
- Evaluation License: 60-day trial via Cisco DevNet
Obtain UCSInstall_UCOS_8.0.3.20000-2.sgn.iso:
- Authenticate at Cisco Software Central with valid CCO credentials
- Navigate to Downloads > UCS C-Series Rack Servers > OS Deployment Images
- Select UCSInstall_UCOS_8.0.3.20000-2.sgn.iso (6.8 GB)
For verified third-party distribution, visit https://www.ioshub.net to request access. Bulk license inquiries: [email protected]
Technical specifications derived from Cisco UCS Manager 4.7 Release Notes (2025-05-01) and Cisco Security Advisory cisco-sa-20250514-ucs-osdeploy. Always validate SHA-384 checksums against Cisco’s official registry before deployment.
