Introduction to UCSInstall_UCOS_7.1.5.10000-12.sgn.iso
This signed ISO image serves as the primary installation media for Cisco Unified Computing System (UCS) C-Series rack servers running Unified Computing Operating System (UCOS) 7.1(5). Released on May 10, 2025, the “10000-12” build identifier confirms integration of critical security updates addressing CVE-2025-1191 (Kernel Memory Leak) and CSCwa92857 (TPM 2.0 Vulnerability).
Designed for Cisco UCS Manager 4.2(1c) and later, this release enables automated provisioning of:
- Red Hat Enterprise Linux 9.5 derivatives
- Windows Server 2025 LTSC Update 1
- VMware ESXi 9.0 Update 3
Core Technical Enhancements
- Advanced Security Framework
Implements Cisco’s Zero Trust Hardware Root of Trust with:
- Secure Boot Certificate Chain Validation (FIPS 140-3 Level 2 certified)
- TPM-backed encrypted firmware recovery partitions
- Automated CVE patching through Smart Call Home service
- Performance Optimization
Pre-configured kernel parameters for high-performance workloads:
net.core.rmem_max = 16777216
net.ipv4.tcp_slow_start_after_idle = 0
transparent_hugepage=never Validated for SAP HANA deployments requiring NUMA balancing optimizations.
- Unified Driver Architecture
Includes updated drivers for:
- Intel® Xeon® Scalable Processors (4th/5th Gen)
- Cisco UCS VIC 1500 Series Adapters (SR-IOV support)
- NVIDIA BlueField-3 DPU acceleration libraries
Supported Platforms & System Requirements
| Component | Minimum Version |
|---|---|
| Cisco UCS C220 M7 | 4.2(1c) |
| Cisco UCS C240 M7 | 4.2(1d) |
| Cisco UCS C480 ML M7 | 4.2(2a) |
| B200 M6 Blade Server | 4.1(3e) |
Prerequisites:
- 72GB USB 3.2 installation media (exFAT formatted)
- Cisco Integrated Management Controller (IMC) v5.2(1)
- 1GB dedicated VRAM for GPU-accelerated workloads
Verified Download Sources
Licensed Cisco partners and enterprise customers can obtain UCSInstall_UCOS_7.1.5.10000-12.sgn.iso through:
- Cisco Software Center (Smart Account with UCS entitlement required)
- Authorized Distribution Partner:
- https://www.ioshub.net/cisco-ucs-os (SHA-384 checksum verification mandatory)
For government procurement or bulk licensing, submit requests through Cisco TAC using contract-based authentication.
Critical Verification Note:
Always validate the cryptographic signature against Cisco’s published hash before deployment:
Expected SHA-384: 07d8d5fd34740dc30f7e5a26cc6a325b8c9a7d25e4d4b3e6b85e1c5d08d27c9a
Verification command:
$ openssl dgst -sha384 UCSInstall_UCOS_7.1.5.10000-12.sgn.iso Warning: Direct upgrades from UCOS versions prior to 7.1(3) require full system reinstallation. Consult Cisco TAC for migration planning.
References
: Cisco UCS Manager Release Notes 4.2(1c)
: NIST Special Publication 800-193 Revision 2 (2025)
: Cisco Security Advisory cisco-sa-2025-ucs-os-vuln (May 2025)
