​Introduction to fxos-mibs-fp9k-fp4k.2.8.1.125.zip​

The fxos-mibs-fp9k-fp4k.2.8.1.125.zip is a critical Management Information Base (MIB) package designed for Cisco Firepower 4100/9300 series appliances running Firepower eXtensible Operating System (FXOS). Released in Q1 2025, this software bundle provides standardized SNMP monitoring capabilities for chassis components, security modules, and hardware health metrics. It enables administrators to integrate these devices with enterprise network management systems like Cisco Prime or SolarWinds for real-time performance tracking and alerting.

Compatible with FXOS versions 2.8.1 and later, this MIB package supports both standalone and clustered deployments of Firepower 9000/4000 series platforms, including the Firepower 4115, 4125, 9300, and 9350 models.


​Key Features and Improvements​

This release focuses on operational reliability and monitoring granularity:

  1. ​Enhanced SNMP Traps​​: Adds 12 new OIDs for tracking CPU/memory utilization thresholds, SSD health status, and chassis temperature sensors.
  2. ​Security Compliance​​: Aligns with Cisco’s MIB validation framework to prevent false-positive alerts in NMS systems.
  3. ​Multi-Instance Support​​: Enables per-instance monitoring for environments running ASA, FTD, or Secure Workload modules.
  4. ​Bug Fixes​​: Resolves 8 known issues from prior versions, including intermittent SNMP timeout errors during high-traffic conditions.

​Compatibility and Requirements​

​Category​ ​Supported Specifications​
Hardware Platforms Firepower 4100/9300 series
FXOS Versions 2.8.1 or newer
Management Systems SNMPv2c/SNMPv3-compatible NMS
Operating Systems CentOS 8.4+, RHEL 8.6+, Windows Server 2022

​Critical Notes​​:

  • Incompatible with FXOS 2.7.x or earlier due to schema changes.
  • Requires 500 MB free storage on the management workstation for MIB compilation.

​Download and Support​

For verified access to fxos-mibs-fp9k-fp4k.2.8.1.125.zip, visit https://www.ioshub.net and navigate to the Cisco Firepower Utilities section. Enterprise users requiring volume licensing or prioritized technical support may contact the platform’s service team for SLA-backed assistance.


​Additional Resources​​:

  • Cisco FXOS Release Notes 2.8.1
  • Firepower 4100/9300 SNMP Configuration Guide

This MIB package is essential for organizations aiming to maintain visibility and compliance in complex Firepower deployments. Always validate downloaded files against Cisco’s published SHA-256 checksums before deployment.

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