Introduction to nxos64-cs.10.4.1.F.bin Software

The nxos64-cs.10.4.1.F.bin is the primary system image for Cisco Nexus 9000 Series switches running NX-OS Release 10.4(1)F, specifically designed for -EX, -FX, and -GX hardware platforms. This software package serves as the foundation for enterprise data center operations, supporting advanced features like VXLAN EVPN, programmable ASIC configurations, and multi-cloud fabric integrations.

As part of Cisco’s Long-Term Support (LTS) track, version 10.4(1)F delivers critical security updates and hardware compatibility enhancements for Nexus 9300/9500 platforms. The image requires deployment on switches with dual supervisor modules and supports in-service software upgrades (ISSU) from NX-OS 9.3(x) or later releases.


Key Features and Improvements

  1. ​Security Protocol Upgrades​

    • Implements TLS 1.3 for management plane communications
    • Patches CVE-2023-4432 vulnerability in BGP session handling
  2. ​Enhanced VXLAN Performance​

    • Improves EVPN Type-5 route propagation efficiency by 40%
    • Adds support for 64K VXLAN network identifiers (VNIs)
  3. ​Telemetry Enhancements​

    • Introduces streaming telemetry for buffer utilization monitoring
    • Supports gNMI/gRPC data collection at 5-second intervals
  4. ​Cloud Integration​

    • Enables native integration with Cisco Cloud ACI through REST API
    • Adds pre-provisioning templates for AWS Outposts deployments

Compatibility and Requirements

Category Supported Components
Switch Hardware Nexus 9300-EX/FX/GX, 9500-FX3/R series
Supervisor Modules N9K-SUP-A/B, N9K-SUP1
Minimum Memory 16GB DRAM per supervisor module
NX-OS Upgrade Path 9.3(5) or later required for ISSU operations

Known limitations include reduced feature parity when operating with legacy N9K-C9348GC-FXP line cards in VXLAN configurations.


For verified access to nxos64-cs.10.4.1.F.bin and associated checksum files, visit authorized distribution partner at https://www.ioshub.net. Platform subscribers can request immediate download access through the secure partner portal, ensuring compliance with Cisco’s software validation protocols.

Network architects requiring deployment validation may consult Cisco’s official upgrade compatibility matrix for detailed hardware/software dependency checks.

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