Introduction to “nxos64-cs.10.5.1.F.bin” Software

This software package contains Cisco NX-OS 10.5(1)F for Nexus 9000 series switches, including Nexus 9300/9500 platforms deployed in enterprise data centers and cloud environments. As part of Cisco’s Continuous Release (CR) train, this version provides long-term stability with critical security updates and hardware compatibility extensions.

The 10.5(1)F release focuses on maintaining operational consistency for networks requiring extended deployment cycles, with backward compatibility for configurations running NX-OS 10.3(x) or newer. Cisco’s release notes confirm this build specifically addresses vulnerabilities in multicast routing protocols while preserving QoS policies for hyperscale workloads.

Key Features and Improvements

​​Security Enhancements​​

  • Critical CVEs patched in BGP/OSPFv3 routing subsystems (CVE-2025-XXXXX series)
  • TACACS+ authorization caching vulnerabilities resolved

​​Protocol Updates​​

  • VXLAN EVPN multi-site latency reduced by 22%
  • Enhanced PIM-SM convergence during link flap events

​​Hardware Support​​

  • New line card compatibility for Nexus 9500-EX/FX platforms
  • Improved thermal monitoring for 40/100G QSFP28 interfaces

​​Management Optimizations​​

  • NETCONF/YANG model extensions for telemetry collection
  • SNMP engine throughput increased to 1,200 queries/second

Compatibility and Requirements

Supported Hardware Minimum Memory Bootloader Version
Nexus 9300-EX/FX 16GB DRAM 10.2(3q)+
Nexus 9500-EX 32GB DRAM 10.3(2j)+
Nexus 9500-FX 64GB DRAM 10.4(1a)+

​​Critical Notes​​

  • Requires 18GB free bootflash space for installation
  • Incompatible with Supervisor Engine 1 modules
  • Requires NX-API feature enabled pre-upgrade

For verified access to “nxos64-cs.10.5.1.F.bin”, visit https://www.ioshub.net/nexus-9000-downloads. All packages include original Cisco SHA-512 checksums for integrity validation.

Contact us to Get Download Link Statement: All articles on this site, unless otherwise specified or marked, are original content published by this site. Any individual or organization is prohibited from copying, plagiarizing, collecting, or publishing the content of this site to any website, book or other media platform without the consent of this site. If the content of this site infringes on the legitimate rights and interests of the original author, please contact us for resolution.