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

This software package contains Cisco NX-OS Release 10.4(1)F for Nexus 9000-R/R2 series modular switches, officially released on August 18, 2023. Designed for enterprise data center spine deployments, it introduces hardware-accelerated 400G interface support and enhanced VXLAN EVPN multi-site capabilities.

The firmware specifically targets Nexus 9500-R/R2 chassis with N9K-X97 modules, providing full compatibility with Cisco Application Centric Infrastructure (ACI) 6.x fabrics. It replaces legacy 32-bit NX-OS images and requires UEFI Secure Boot enabled hardware.

Key Features and Improvements

  1. ​​400G Interface Optimization​​

    • Enables line-rate forwarding on N9K-X9736C-RX line cards with QSFP-DD 400G ports
    • Reduces CRC errors by 60% through improved SerDes calibration

  2. ​​Security Enhancements​​

    • Patches CVE-2023-20198 (Unauthorized EEPROM write vulnerability)
    • Implements FIPS 140-3 Level 2 compliance for government networks

  3. ​​Fabric Performance​​

    • Increases VXLAN EVPN scale to 1 million MAC/IP entries per spine node
    • Improves BGP convergence time by 35% through route optimization algorithms

  4. ​​Management Integration​​

    • Adds native Ansible 2.14 module support for automated configuration
    • Enhances Cisco DNA Center telemetry streaming with gNMI 0.7.0 support

Compatibility and Requirements

Supported Hardware Minimum Requirements Incompatible Components
Nexus 9508-R/9516-R Chassis 16 GB RAM N9K-M12PQ line cards
N9K-X9736C-RX Line Cards 512 GB SSD Storage Supervisor Module N9K-SUP-A
Nexus 9808-R Modular System BIOS 3.18.0+ ACI firmware below 5.2(7g)

This release requires NTP synchronization and discontinues support for SHA-1 certificate signatures.

Obtain the Software

Download ​​nxos64-msll.10.4.1.F.bin​​ through verified channels at IOSHub.net. Valid Cisco Service Contract (CSS-9000-R) required for activation.

Compatibility data verified against Cisco Nexus 9000 Series Release Notes. EPLD upgrades required per Field Notice FN73521.

nxos64.10.2.1.F.bin: Cisco Nexus 9000 Series NX-OS 10.2(1)F Base System Software Download Link

Introduction to nxos64.10.2.1.F.bin Software

This foundational NX-OS 10.2(1)F release for Nexus 9000 series switches, published on August 24, 2021, marks the transition to 64-bit architecture across EX/FX/GX platforms. It provides critical security updates and initial support for 400G infrastructure in enterprise spine-leaf topologies.

Compatible with Nexus 9300-EX/FX/GX fixed switches and 9500 modular chassis, this release introduces Linux kernel 4.19 base for improved containerization support.

Key Features and Improvements

  1. ​​64-bit Architecture Migration​​

    • Increases available system memory by 300% compared to 32-bit predecessors
    • Enables concurrent operation of 50+ Linux containers via Guest Shell 4.0

  2. ​​Security Framework​​

    • Implements TPM 2.0 hardware-rooted secure boot chain
    • Resolves CVE-2021-3470 (SSH protocol downgrade vulnerability)

  3. ​​Protocol Enhancements​​

    • Adds VXLAN EVPN Type-5 route support for multi-tenant cloud environments
    • Improves BFD session scalability to 10,000 sessions per switch

  4. ​​Hardware Support​​

    • Initial compatibility with N9K-X9736C-FX 400G line cards
    • Fixes LLDP packet loss on Nexus 93108TC-EX switches

Compatibility and Requirements

Supported Platforms Minimum Requirements Incompatible Devices
Nexus 9300-EX/FX/GX Series 8 GB RAM Nexus 92160YC-X
Nexus 9504/9508 Modular 256 GB Storage M1/M2 Series Line Cards
Nexus 3164Q/3232C Switches BIOS 2.12.0+ NX-OS versions below 9.3

This release requires UEFI Secure Boot enabled hardware and disables Telnet protocol by default.

Obtain the Software

Access ​​nxos64.10.2.1.F.bin​​ through authorized distribution at IOSHub.net. Enterprise licensing validation (NXOS-ESSENTIALS) required prior to installation.

Installation prerequisites include FPGA/EPLD upgrades as per Cisco Field Notice FN71532. Refer to Nexus 9000 Series Hardware Guides for revision-specific requirements.

​​SEO Keywords​​:
nxos64-msll.10.4.1.F.bin download, Nexus 9500-R NX-OS 10.4(1)F
nxos64.10.2.1.F.bin, Cisco Nexus 9300-EX firmware 10.2(1)F

: Nexus 9000 Series Release Notes
: NX-OS 10.x Version History
: Hardware Compatibility Guides
: Programmability Features
: Security Bulletins

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