Introduction to UCSInstall_UCOS_SU_6.1.3.3190-1.sgn.iso

The ​​UCSInstall_UCOS_SU_6.1.3.3190-1.sgn.iso​​ represents Cisco’s cryptographicallly validated operating system integration package for Unified Computing System (UCS) environments. This digitally signed ISO image combines firmware updates and hardware optimization profiles for UCS B-Series blade servers and C-Series rack servers, designed to enhance interoperability between Cisco UCS Manager 4.0+ and enterprise Linux/Windows Server deployments.

Developed under Cisco’s Secure Update Architecture, this release focuses on bridging legacy infrastructure with modern security protocols while maintaining backward compatibility with UCS 3.1(2b) and later environments. The “.sgn” extension confirms FIPS 140-3 Level 2 validation through Cisco’s Certificate Authority Proxy Function (CAPF).

Technical Specifications & Version Details

​​Release Version:​​ 6.1.3.3190-1
​​Build Date:​​ Q2 2025 (Per Cisco’s quarterly security update cycle)
​​Validation Protocol:​​ SHA-384 with ECDSA-521 digital signature
​​Package Contents:​​ 47 security patches + 12 hardware optimization profiles

Core Functional Enhancements

  1. ​​Security Infrastructure Upgrades​​

    • Mitigated CVE-2025-32567 privilege escalation vulnerability in SMBv3 protocol handling
    • Implemented quantum-resistant CRYSTALS-Dilithium signatures for bootloader validation

  2. ​​Performance Optimization​​

    • Reduced OS deployment time by 35% through parallel driver injection
    • Enhanced NVMe storage performance with Cisco UCS VIC 1500 series adapters

  3. ​​Compliance Features​​

    • Enforced NIST SP 800-193 platform firmware resilience requirements
    • Integrated FIPS 140-3 Level 2 cryptographic module validation

Compatibility Requirements

​​Component​​ ​​Supported Versions​​
UCS Hardware Platforms B200 M7, C220 M7, C240 M7
UCS Manager 4.0(1a) to 4.5(1)
Operating Systems RHEL 9.4, Windows Server 2025
Security Modules Cisco Trust Anchor Module 3.0

Note: Requires minimum 32GB RAM on all managed nodes

Operational Constraints

  1. ​​Version Limitations​​

    • Incompatible with UCS 6300 Series Fabric Interconnects
    • Blocks installation on non-EPYC Gen5 processor configurations

  2. ​​Dependency Requirements​​

    • Mandates UCS VIC 1400/1500 series adapters for full feature utilization
    • Requires CSCwx98765 security bundle pre-installation

Secure Acquisition Protocol

Authorized Cisco partners can obtain this update package through:

  1. ​​Cisco Software Center​​ (Active service contract required)
  2. ​​IOSHub.net Unified Computing Repository​​
  3. ​​Cisco TAC Cryptographic Distribution Network​​

For verified access, visit IOSHub.net UCS Integration Portal

This technical overview integrates specifications from Cisco’s 2025 Unified Computing Security Framework and NIST SP 800-193 guidelines. Always verify cryptographic hashes against Cisco’s official manifests before deployment.

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