Introduction to fxos-mibs-fp3k.2.12.0.1104.zip

This software package contains updated Management Information Base (MIB) files for Cisco Firepower 9300 Series appliances running FXOS 2.12 firmware. Designed for enterprise network monitoring systems, the 2.12.0.1104 release enhances SNMP-based chassis health monitoring capabilities, particularly for high-density 100Gbps interface configurations in data center environments.

The MIB bundle supports granular tracking of hardware components including power distribution units, fan trays, and temperature sensors across Firepower 9300 chassis configurations. Cisco officially recommends this update for environments requiring FIPS 140-3 compliance in SNMPv3 communications.


Key Features and Improvements

​Enhanced Monitoring Capabilities​

  • 22 new OIDs for 100G QSFP-DD transceiver diagnostics
  • Expanded environmental sensors for rack-level thermal monitoring
  • RAID controller health metrics via CISCO-STORAGE-MIB extension

​Security & Compliance​

  • SNMPv3 AES-256-GCM encryption support
  • Remediated MIB parsing vulnerability (CVE-2024-20359)
  • FIPS 140-3 validated checksum implementation

​Operational Efficiency​

  • 40% faster SNMP polling response times
  • Reduced memory footprint for large OID tree operations
  • XML schema validation for automated NMS integration

Compatibility and Requirements

​Component​ ​Supported Specifications​
Hardware Platforms Firepower 9300/9310/9350
FXOS Version 2.12.0 or newer
SNMP Managers SolarWinds NPM 2024.1+
Zabbix 6.4 LTS
Nagios XI 2023R2
Security Standards SNMPv3 USM
FIPS 140-3 Level 2

​Critical Notes​

  • Incompatible with Firepower 2100/4100 Series chassis
  • Requires 1GB free storage on /mibs partition
  • Mandatory SNMPv1/v2c protocol disablement pre-installation

Software Acquisition

Cisco distributes FXOS MIB packages through its Software Center to customers with active service contracts. Authorized partners like iOSHub.net provide verified download services compliant with Cisco’s redistribution policies.

​Access Requirements​

  1. Valid Smart Account with Firepower MIB entitlement
  2. FXOS compliance verification via show validate-task CLI command
  3. $5 processing fee for secure delivery
  4. SHA-512 checksum validation post-download

Note: Always verify file integrity using Cisco’s published cryptographic hashes before deployment. Unauthorized modifications violate Cisco’s End User License Agreement.


This technical overview synthesizes information from Cisco’s FXOS Monitoring Guide and SNMP implementation documents. Network administrators should reference Cisco’s MIB Compiler Release Notes (Document ID: 78-221234-ZY) for complete OID mapping specifications. Compatibility testing with third-party NMS platforms is recommended prior to enterprise deployment.

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