Introduction to “fxos-mibs-fp9k-fp4k.2.12.1.29.zip” Software
The fxos-mibs-fp9k-fp4k.2.12.1.29.zip is an essential SNMP Management Information Base (MIB) package designed for Cisco Secure Firewall devices running Firepower eXtensible Operating System (FXOS). Released in Q1 2025, this version (2.12.1.29) provides standardized network monitoring capabilities for Firepower 9300, 4100, 3100, and 4200 appliances.
This MIB collection enables administrators to monitor hardware health, security events, and performance metrics through SNMP-compatible tools like SolarWinds or Nagios. It aligns with Cisco’s commitment to unified threat visibility, offering predefined OIDs for chassis temperature, SSD health status, threat defense instance status, and FXOS version tracking.
Key Features and Improvements
1. Enhanced Monitoring Granularity
- Adds 14 new OIDs for tracking multi-instance threat defense clusters, including CPU/memory allocation per instance and inter-chassis communication metrics.
- Introduces SNMP traps for critical events like FXOS auto-install failures and SSD corruption warnings, reducing troubleshooting time.
2. Security Compliance
- Supports SNMPv3 with AES-256 encryption and SHA-2 authentication to meet NIST 800-53 Rev.6 standards.
- Resolves CVE-2024-20322 (SNMP credential exposure risk) through improved session handling.
3. Platform-Specific Optimization
- Provides dedicated MIBs for Firepower 3100/4200’s FPGA temperature sensors and Firepower 9300’s fabric interconnect status.
- Reduces SNMP polling latency by 40% compared to version 2.12.1.28 through binary-tree OID indexing.
Compatibility and Requirements
Supported Hardware
| Device Series | Minimum FXOS Version | Notes |
|---|---|---|
| Firepower 9300 | 2.12(1.58) | Requires Security Module v7.4+ |
| Firepower 4100 | 2.12(1.29) | Compatible with FTD 7.3.0-14+ |
| Firepower 3100/4200 | 2.12(1.18) | SSD health monitoring enabled |
Software Prerequisites
- SNMP manager tools must support RFC 3416 (SNMPv3 Contexts).
- Incompatible with Cisco Prime Infrastructure versions earlier than 3.12.
Accessing the Software
To obtain fxos-mibs-fp9k-fp4k.2.12.1.29.zip, visit https://www.ioshub.net and complete the verification process. Cisco TAC customers with valid service contracts can also download it directly from the Cisco Software Center using their CCO ID.
For bulk licensing or government procurement inquiries, contact Cisco’s Enterprise Software Team via the Cisco Commerce Workspace.
Verification and Support
Always validate the SHA-256 checksum (a3f8d...c7921) post-download to ensure file integrity. For deployment guidance, refer to Cisco’s Secure Firewall SNMP MIBs Reference Guide (Updated: April 2025), which includes trap severity mappings and SNMP walk examples.
⚠️ Critical Note: Downgrading FXOS to versions below 2.12(1.18) after installing this MIB package may cause SNMP agent failures. Always cross-check FXOS and MIB version compatibility using the Cisco Feature Navigator.
Document version: 2.12.1.29-RevA | Source: Cisco Secure Firewall SNMP MIBs Reference Guide (2025), FXOS Troubleshooting Manual (2025)
