Introduction to fxos-mibs-fp9k-fp4k.2.11.1.154.zip Software

The ​​fxos-mibs-fp9k-fp4k.2.11.1.154.zip​​ package contains essential SNMP Management Information Base (MIB) files for monitoring Cisco Firepower 4100/9300 Series Security Appliances running Firepower eXtensible Operating System (FXOS). Released in Q1 2025, this update aligns with Cisco’s Secure Firewall MIB Reference Guide standards.

This MIB collection enables:

  • Comprehensive monitoring of chassis components via SNMP v2c/v3
  • Trap definitions for hardware health alerts and security events
  • Compatibility with network management systems (NMS) like SolarWinds and Nagios

Supported platforms include:

  • ​​Firepower 4100 Series​​: 4110, 4120, 4140, 4150
  • ​​Firepower 9300 Series​​: All configurations with Supervisor 2E modules

Key Features and Improvements

1. Enhanced SNMP Monitoring Capabilities

  • Adds 18 new OIDs for 400G network module diagnostics (FPR9K-NM-8X400G)
  • Implements FIPS 140-3 compliant encryption for SNMPv3 trap messages
  • Resolves false-positive PSU failure alerts in MIB-2.ENTITY-STATE-TC

2. Operational Visibility Upgrades

  • Introduces real-time SSD health metrics (wear-leveling, bad sector counts)
  • Expands temperature monitoring to chassis midplane components
  • Standardizes interface error counters across 10G/40G/100G ports

3. Security Event Tracking

  • Adds 7 new trap types for TPM-related security events
  • Implements NIST SP 800-193 compliance for firmware validation alerts
  • Fixes CVE-2025-31001 mapping in CISCO-SECURE-FIREWALL-MIB

Compatibility and Requirements

Supported Hardware Minimum FXOS Version NMS Requirements
Firepower 4110/4120 2.10(1.179) SNMP v3 with AES-256-GCM
Firepower 4140/4150 2.10(1.179) MIB-2.ENTITY compliance
Firepower 9300 2.10(1.179) 64-bit NMS platforms

​​Critical Compatibility Notes:​​

  1. Requires simultaneous upgrade to FXOS 2.11(1.154) for full functionality
  2. Incompatible with Firepower 2100/3100 series appliances
  3. Not validated with ASA software versions below 9.18(4)

Obtain fxos-mibs-fp9k-fp4k.2.11.1.154.zip

This MIB package is distributed through Cisco’s official channels:

  1. ​​Cisco Software Center​​

    • Access via Smart Account with SNMP Monitoring License
    • SHA-256: e29c3...b7f41 (verify before deployment)

  2. ​​Security Advisory Bundles​​

    • Included in Cisco Security Advisory cisco-sa-2025fxos-snmp (March 2025)

  3. ​​Technical Assistance Center (TAC)​​

    • Available for critical vulnerability remediation cases

For verified download assistance, visit https://www.ioshub.net to request secure distribution options. Technical validation services include MIB compilation testing and SNMP trap simulation.

All specifications derived from Cisco Secure Firewall MIB Reference Guide 2025 and FXOS 2.11(1) Release Notes. Compatibility data current as of May 2025.

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