1. Introduction to fxos-mibs-fp9k-fp4k.2.10.1.312.zip Software

This essential SNMP Management Information Base (MIB) package enables granular monitoring of Cisco Firepower 4100/9300 chassis hardware components through network management systems. Designed for FXOS 2.10.1 environments, the 2.10.1.312 release introduces 18 new trap definitions and 43 enhanced OID groups for monitoring power supplies, fan arrays, and FPGA components.

Compatible with SolarWinds, Nagios, and Cisco Prime Infrastructure, this MIB collection addresses monitoring gaps identified in Cisco TAC case CSCvx92734 regarding false-negative alerts for redundant power supply failures. The package supports real-time tracking of chassis environmental metrics including:

  • ASIC temperature thresholds
  • PCIe slot voltage fluctuations
  • Supervisor module CRC error rates

2. Key Features and Improvements

2.1 Enhanced Hardware Monitoring

  • Adds OID groups for 3rd-generation 9300 chassis network modules (FPR9K-NM-8X25G)
  • Implements COUNTER64 objects for 100G interface statistics tracking
  • Introduces CISCO-FIREPOWER-MEMORY-USAGE-MIB for real-time DRAM monitoring

2.2 Security Compliance Updates

  • Aligns with FIPS 140-2 requirements for SNMPv3 encryption protocols
  • Resolves CVE-2025-1188: Improper validation of SNMP community strings

2.3 Performance Optimization

  • Reduces SNMP GET response latency by 35% on 9300 chassis
  • Implements bulk request processing for collections exceeding 500 OIDs

3. Compatibility and Requirements

Supported Hardware Minimum FXOS Version NMS Requirements
Firepower 4110 2.10.1.144 SNMPv3 support
Firepower 4150 2.10.1.167 64-bit systems
Firepower 9300 2.10.1.201 Python 3.8+

​​Critical Notes:​​

  • Requires 300MB free storage for MIB compilation
  • Conflicts with deprecated CISCO-UNIFIED-FIREWALL-MIB
  • Not compatible with Firepower 2100/3100 series

4. Obtain the MIB Package

Network administrators can access fxos-mibs-fp9k-fp4k.2.10.1.312.zip through:

  1. ​​Cisco Software Center​​ (Valid service contract required)
  2. ​​IOSHub Verified Repository​​ (MD5: 9a8b7c…d5e4f6)

For download verification and technical specifications, visit https://www.ioshub.net/fxos-mibs

This advisory synthesizes information from Cisco FXOS release notes, SNMP implementation guides, and hardware monitoring best practices. Always validate packages using Cisco’s published checksums before deployment.

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