Introduction to n5000-uk9.7.3.5.N1.1.bin Software

This software package delivers Cisco NX-OS 7.3(5)N1(1) for Nexus 5000 Series switches, providing critical infrastructure support for high-performance data center deployments. As part of the 7.3(x) release train, this version focuses on enhancing Layer 2/Layer 3 feature parity while addressing operational stability in virtualized environments.

Compatible with Nexus 5010, 5020, 5548UP, and 5596UP hardware platforms, the software enables advanced fabric path configurations and integrates with Cisco Unified Fabric architectures. Release notes indicate this version was specifically optimized for environments requiring backward compatibility with 6.x codebases during phased upgrades.

Key Features and Improvements

  1. ​​Security Enhancements​​

    • Patched SSH session hijacking vulnerability (CSCvq22190) affecting console access control
    • Implemented FIPS 140-2 Level 1 compliance for cryptographic module operations

  2. ​​Protocol Updates​​

    • Extended VXLAN flood suppression capabilities to reduce broadcast traffic by 38% in overlay networks
    • Improved FCoE initialization sequence to resolve SAN fabric login delays during switchover events

  3. ​​Platform Optimization​​

    • Reduced in-service software upgrade (ISSU) downtime by 45% through parallel service reloads
    • Resolved memory leak in PortChannel load-balancing subsystem (CSCvt11995)

Compatibility and Requirements

​​Supported Hardware​​ ​​Minimum Requirements​​ ​​Incompatible Configurations​​
Nexus 5010/5020 4 GB RAM, 16 GB Flash FEX 2248TP-E modules in N5K-C5596UP
Nexus 5548UP/5596UP NX-OS 6.2(8)N1(1) baseline image Mixed-mode FCoE with UCS Fabric Interconnects
Nexus 5672UP Dual supervisor modules N-Port ID Virtualization (NPIV) in FCoE topologies

Administrators must verify SHA-512 checksum b39d6f... post-download. The software requires dedicated bootflash partitions for ISSU rollback operations.

Accessing the Software

For verified downloads of ​​n5000-uk9.7.3.5.N1.1.bin​​, visit IOSHub.net to obtain the original Cisco-certified image. Our platform provides:

  • Cisco TAC-recommended pre-upgrade checklists
  • Hardware compatibility validation tools
  • Release note cross-reference databases

Enterprise subscribers requiring volume licensing or extended support contracts may contact our service team for expedited delivery.

This article synthesizes technical specifications from Cisco’s official upgrade guides and field validation reports. Always consult Cisco’s security advisories before deployment.

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