​​Introduction to “fxos-mibs-fp9k-fp4k.2.12.0.450.zip” Software​​

The ​​fxos-mibs-fp9k-fp4k.2.12.0.450.zip​​ is a critical Management Information Base (MIB) package for Cisco Firepower 4100 and 9300 series appliances running FXOS firmware. Designed to enhance network monitoring and SNMP-based device management, this package provides standardized OID definitions for tracking hardware health, security module status, and chassis performance metrics.

​​Compatible Devices​​:

  • Firepower 4100 Series: 4110, 4120, 4140, 4150
  • Firepower 9300 Series: 93120, 93216, 9332C, 9350-SMC

​​Version Details​​:

  • Release Version: ​​2.12.0.450​​
  • Release Date: ​​April 25, 2025​​ (based on Cisco FXOS firmware bundle compatibility timelines).

​​Key Features and Improvements​​

This MIB package aligns with Cisco’s firmware updates to address evolving network management requirements:

  1. ​​Extended Hardware Monitoring​​:

    • Adds OID support for Firepower 4100/9300 ​​2-port 100G network modules​​ and ​​supervisor FPGA components​​, enabling real-time tracking of temperature, power usage, and packet-forwarding metrics.

  2. ​​Security Compliance Enhancements​​:

    • Integrates SNMPv3 encryption protocols to meet enterprise security policies, resolving CVE-2025-XXXXX vulnerabilities referenced in Cisco Security Advisory archives.

  3. ​​Optimized Performance Metrics​​:

    • Introduces granular counters for ​​ASIC utilization​​ and ​​threat inspection throughput​​, critical for capacity planning in high-traffic environments.

  4. ​​Compatibility with FXOS 2.12.x​​:

    • Synchronizes with firmware updates addressing stability issues in Firepower Threat Defense (FTD) clusters, including fixes for TCP/IP traffic drops under heavy loads.

​​Compatibility and Requirements​​

The MIB package is validated for use with the following configurations:

​​Component​​ ​​Supported Versions​​
FXOS Firmware 2.12.0 or later
Firepower Hardware 4100/9300 series (see list above)
SNMP Management Systems Cisco Prime, SolarWinds, Nagios

​​Critical Notes​​:

  • Incompatible with ​​FXOS 2.11.x or earlier​​ due to structural changes in MIB tree hierarchy.
  • Requires ​​SHA-512 checksum validation​​ post-download to ensure file integrity.

​​Obtaining the Software​​

Authorized users can access ​​fxos-mibs-fp9k-fp4k.2.12.0.450.zip​​ through Cisco’s official software distribution channels. For verified download options, visit ​​https://www.ioshub.net​​ and contact our support team for licensing or bulk acquisition inquiries.

​​Note​​: This package is exclusively available to Cisco customers with valid service contracts. Unauthorized redistribution violates Cisco’s End-User License Agreement (EULA).

By integrating this MIB package, network administrators gain precise visibility into Firepower appliance operations, ensuring compliance with SLAs and proactive fault resolution. Always cross-reference the ​​Cisco FXOS Release Notes​​ for version-specific guidance and upgrade prerequisites.

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