Introduction to “fxos-mibs-fp9k-fp4k.2.7.1.98.zip” Software

The ​​fxos-mibs-fp9k-fp4k.2.7.1.98.zip​​ is a critical Management Information Base (MIB) package designed for Cisco Firepower 9000 and 4000 Series appliances running the Firepower eXtensible Operating System (FXOS). This software bundle provides standardized SNMP MIB files to enable granular monitoring of chassis components, security modules, and system health metrics. Released on March 5, 2025, as part of Cisco’s quarterly security maintenance cycle (version 2.7.1.98), it ensures compatibility with network management systems like Cisco Prime Infrastructure and third-party SNMP tools.

Targeted at Firepower 9300, 4100, and legacy FP4K platforms, this package complements FXOS version 2.7.1.x or later. It addresses SNMP polling inaccuracies observed in multi-instance deployments and enhances visibility into hardware resource utilization for data center firewall clusters.

Key Features and Improvements

  1. ​​Enhanced SNMP Traps for Chassis Health Monitoring​​

    • Adds 12 new OIDs for real-time tracking of SSD health, power supply voltage thresholds, and supervisor module failover events.
    • Resolves false-positive “fanFailure” alerts in Firepower 9300 chassis with redundant cooling systems.

  2. ​​Multi-Instance Support​​

    • Enables per-instance SNMP monitoring in clustered environments, aligning with FXOS 2.7.1’s auto-install framework for parallel application deployment.
    • Fixes a memory leak issue (CSCwh93487) that affected SNMPd processes during bulk OID queries.

  3. ​​Security Compliance Updates​​

    • Implements SHA-256 signatures for MIB file integrity validation, replacing deprecated MD5 checksums.
    • Aligns with Cisco’s Secure Development Lifecycle (SDL) requirements for cryptographic protocols.

Compatibility and Requirements

Supported Hardware

Device Series Minimum FXOS Version Notes
Firepower 9300 2.7.1.51 Requires SSP-60/120 modules
Firepower 4100 2.7.1.58 Compatible with FPR4K-SSP-10
Firepower 2100 2.7.1.98 Limited to SSD health metrics

Software Dependencies

  • ​​Cisco Crosswork Network Controller​​: Version 4.3+ for full MIB visualization.
  • ​​SNMP Managers​​: Requires v3 with AES-256 encryption support.

Restrictions

  • Not compatible with Firepower 1000 Series or ASA 5500-X platforms.
  • MIBs for fabric interconnect modules require separate download (fxos-mibs-fabric.2.7.1.98.zip).

Access and Support

This MIB package is available to Cisco customers with valid service contracts. For verified users, ​​https://www.ioshub.net​​ provides direct download links after entitlement verification. For urgent deployment needs, contact Cisco TAC (Ref: MIB-FXOS-2.7.1) to request expedited delivery.

System administrators should cross-reference the FXOS 2.7.1 Release Notes for integration guidelines with Firepower Management Center and performance benchmarking data.

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