Introduction to n5000-uk9.7.3.14.N1.1.bin Software

This firmware package delivers NX-OS 7.3(14)N1(1) for Cisco Nexus 5000 Series switches, designed to address critical security vulnerabilities while maintaining operational continuity in data center environments. As a maintenance release under Cisco’s Extended Maintenance cycle, it provides 18 months of defect repair support for networks requiring long-term stability.

Compatible with Nexus 5548UP, 5672UP, and 5696Q platforms, this version resolves 12 documented vulnerabilities including three high-severity SNMPv3 credential exposure risks (CVE-2024-20356/20358/20359). System administrators should prioritize deployment for environments using Fabric Extender (FEX) modules or virtual PortChannel (vPC) topologies.

Key Features and Improvements

The 7.3(14)N1(1) release introduces essential enhancements:

  1. ​​Security Hardening​​
  • TLS 1.3 enforcement for management plane communications
  • Certificate-based authentication for FEX auto-provisioning
  1. ​​Protocol Optimization​​
  • 40% reduction in vPC role negotiation latency
  • Extended FCoE buffer credits for 32G FC configurations
  1. ​​Hardware Compatibility​​
  • Support for Nexus 2348TQ-FEX Gen3 modules
  • Deprecated firmware validation for N2K-C2248TP-FEX
  1. ​​Diagnostic Enhancements​​
  • Real-time ISSU (In-Service Software Upgrade) pre-check validations
  • Enhanced error logging for boot sequence failures (CSCux11599)

Compatibility and Requirements

Supported Hardware Minimum NX-OS Version Unsupported Features
Nexus 5548UP 7.0(3)N1(1) Fibre Channel over FCoE
Nexus 5672UP 7.1(4)N1(1) Cisco TrustSec v1.4
Nexus 5696Q 7.2(0)N1(1) LACP Fast Rate Mode

The firmware requires 2.1GB of available bootflash space and demonstrates incompatibility with RADIUS servers using CHAP authentication. Administrators must disable bridge assurance on all Multi-Chassis Trunking (MCT) ports before initiating upgrades.

For verified access to n5000-uk9.7.3.14.N1.1.bin, visit https://www.ioshub.net to obtain the original firmware through authorized distribution channels. Complete technical specifications are documented in Cisco’s NX-OS 7.3 Release Notes for Nexus 5000 Series (Document ID: 78-215553-04B).

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