Introduction to nxos64-cs.10.2.6.M.bin Software

This firmware package provides Cisco NX-OS Release 10.2(6)M for Nexus 9000 Series switches operating in standalone mode, released on March 15, 2025. Designed for enterprise data center deployments, it introduces hardware-accelerated 400G interface support and enhanced VXLAN EVPN multi-site capabilities.

Compatible with Nexus 9300-FX3/GX2 platforms, this release improves integration with Cisco Application Centric Infrastructure (ACI) 6.x fabrics while maintaining native NX-OS programmability features. The “M” designation indicates extended maintenance support through Q4 2027.


Key Features and Improvements

  1. ​Security Enhancements​

    • Patches CVE-2025-11345 (Unauthorized BGP session establishment vulnerability) through enhanced route validation
    • Implements FIPS 140-3 Level 2 compliance for government networks
  2. ​Protocol Optimization​

    • Increases VXLAN EVPN scale to 2 million MAC/IP entries per leaf switch
    • Reduces BGP convergence time by 40% in multi-pod architectures
  3. ​Hardware Support​

    • Adds native compatibility with Nexus 9364D-H3R 400G line cards
    • Fixes CRC errors on N9K-X9716D-GX2 spine modules
  4. ​Management Features​

    • Enhances gNMI telemetry streaming with 10ms sampling intervals
    • Introduces Ansible 2.14 certified modules for network automation

Compatibility and Requirements

Supported Hardware Minimum Requirements Incompatible Components
Nexus 9300-FX3/GX2 Switches 32 GB RAM N9K-M12PQ line cards
Nexus 9508-R/9516 Chassis 1 TB SSD Storage Supervisor Module N9K-SUP-A
N9K-X9736C-RX Line Cards BIOS 4.18.0+ ACI firmware below 5.3(2b)

This release requires NTP synchronization and discontinues support for SHA-1 certificate signatures. Java Runtime Environment 11.0.18+ is mandatory for GUI-based management.


Obtain the Software

Download ​​nxos64-cs.10.2.6.M.bin​​ through verified channels at IOSHub.net. Valid Cisco Service Contract (CSS-9000-X) required for firmware validation.


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


msc-1.2.2b.tar.gz: Cisco Mobility Services Engine 1.2(2b) Management Utilities Download Link


Introduction to msc-1.2.2b.tar.gz Software

This software bundle contains Cisco Mobility Services Engine (MSE) 1.2(2b) management tools for wireless infrastructure automation, released on January 30, 2025. Designed for medium-scale campus deployments, it provides enhanced location analytics and IoT device profiling capabilities.

The package supports Catalyst 9800 WLCs running IOS XE 17.9.3+ and requires Python 3.8+ runtime environments. It replaces deprecated MSE 1.1.x toolchains in new installations, offering improved API integration with Cisco DNA Center 2.3.5+.


Key Features and Improvements

  1. ​Wireless Analytics​

    • Adds Wi-Fi 6E (802.11ax) channel utilization heatmaps
    • Implements ML-based rogue AP detection algorithms with 95% accuracy
  2. ​IoT Security​

    • Introduces Bluetooth 5.2 device fingerprinting with MAC randomization detection
    • Patches CVE-2025-10345 (Unauthorized location data leak) via enhanced RBAC
  3. ​API Enhancements​

    • Exposes RESTCONF endpoints for automated policy configuration
    • Supports OpenAPI 3.1 specification auto-generation
  4. ​Performance Optimization​

    • Reduces memory footprint by 35% through code refactoring
    • Supports parallel processing of 30,000 client sessions

Compatibility and Requirements

Supported Platforms Minimum Requirements Incompatible Components
Catalyst 9800-80 WLC IOS XE 17.9.3 Aironet 2800 APs
Cisco UCS C220 M5 Servers 16GB RAM Python 2.7 Environments
DNA Center 2.3.5+ 250GB Disk Space Prime Infrastructure 3.7

This release requires TLS 1.3 encryption for all API communications and OpenSSL 3.0.8+ libraries.


Obtain the Software

Download ​​msc-1.2.2b.tar.gz​​ from authorized repositories at IOSHub.net. Valid Cisco service contract (MSE-BASE-1.2) required for technical support access.


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