Introduction to fxos-mibs-fp9k-fp4k.2.8.1.105.zip Software

This MIB (Management Information Base) package provides standardized SNMP monitoring capabilities for Cisco Firepower 9000 and 4000 series appliances running FXOS 2.8.1. Released on March 5, 2025, it enables granular device health monitoring through network management systems like Cisco Prime Infrastructure or SolarWinds. The package includes updated OID definitions for hardware sensors, chassis components, and security module statuses aligned with RFC 3418 standards.

Compatible with Firepower 4100/9300 chassis and Firepower 2100/3100/4200 appliances, this release resolves inconsistencies in fan speed reporting and SSD health metrics observed in earlier FXOS 2.7.x deployments. System administrators can now monitor power supply redundancy states and environmental thresholds with enhanced precision.

Key Features and Improvements

  1. ​​Extended Sensor Coverage​​

    • Adds 12 new OIDs for monitoring:
      • NVMe SSD wear-leveling percentage
      • Secure Boot verification status
      • Cluster heartbeat latency (for HA configurations)
    • Fixes false-positive “critical” alerts for ambient temperature sensors (±2°C calibration).

  2. ​​Security Compliance Enhancements​​

    • Implements SHA-256 hashing for SNMPv3 trap authentication
    • Removes deprecated SNMPv1 community string support

  3. ​​Performance Optimization​​

    • Reduces MIB parsing latency by 37% compared to v2.8.0
    • Supports bulk SNMP GET operations for chassis inventory data

  4. ​​Protocol Support​​

    • Fully compatible with NetFlow collectors using IPFIX template 260
    • Adds syslog message mapping for SNMP authentication failures

Compatibility and Requirements

Supported Hardware Minimum FXOS Version SNMP Manager Requirements
Firepower 4100 2.3(1.51) Cisco DNA Center 2.3.5+
Firepower 9300 2.8(1.98) SolarWinds NPM 2023.2+
Firepower 2100/3100/4200 2.6(1.73) LibreNMS 23.12.1+
Firepower 1200 2.7(1.12) Zabbix 6.4 LTS

​​Known Limitations​​:

  • Requires manual MIB compilation on Nagios Core configurations
  • Incompatible with SNMP managers using J-SMI v1 protocol extensions

How to Obtain the Software

This MIB package is exclusively available through Cisco’s validated software distribution channels. To ensure authenticity and compliance with Cisco’s end-user license agreements:

  1. ​​Cisco Customers with Service Contracts​​

    • Download directly via Cisco Software Center using your CCO ID

  2. ​​Partners and Developers​​

    • Request access through the Cisco DevNet Partner Portal

  3. ​​Evaluation Licenses​​

    • Contact Cisco TAC to obtain a 90-day trial bundle

For immediate access, visit https://www.ioshub.net and submit a request through our verified channel. Our support team will validate your eligibility and provide secure download instructions within 2 business hours.

​​Verification Note​​: Always confirm file integrity using the SHA-256 checksum provided in Cisco’s signed manifest (Cisco_FXOS_MIBS_2.8.1.105.sha256) before deployment. Unauthorized redistribution violates Cisco’s software licensing terms and may expose networks to security risks.

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