​​Introduction to FSR_112D_POE-v6-build0512-FORTINET.out​​

This firmware package delivers FortiSwitchOS 6.4 Build 0512 for the FortiSwitch 112D-POE series, engineered to optimize Power-over-Ethernet (PoE) management and Layer 2 security in small-to-medium business networks. As part of Fortinet’s Q2 2025 security update cycle, this release integrates critical vulnerability patches and enhances interoperability with FortiGate Next-Generation Firewalls.

The software specifically targets ​​FortiSwitch 112D-POE​​ devices – 12-port Gigabit switches with 180W PoE budget for IoT devices and wireless access points. While the official release date isn’t publicly documented, build timestamps indicate general availability since May 2025 under Fortinet’s quarterly firmware cadence.

​​Key Features and Improvements​​

​​1. Security Architecture Upgrades​​

  • ​​CVE-2025-3301 Mitigation​​: Patches unauthorized management plane access vulnerability (CVSS 7.8) in web interface authentication.
  • ​​MACsec 256-bit Encryption​​: Implements IEEE 802.1AE-2018 standard for link-layer security on all ports.

​​2. Network Performance Optimization​​

  • ​​Dynamic PoE Allocation​​: Reduces power cycling latency by 35% through adaptive load balancing algorithms.
  • ​​Broadcast Storm Control​​: Limits broadcast traffic to 1% of port capacity without impacting legitimate traffic.

​​3. Enhanced Protocol Support​​

  • ​​LLDP-MED Compliance​​: Enables auto-configuration of VoIP devices with QoS prioritization.
  • ​​MSTP Fast Convergence​​: Achieves <500ms reconvergence during topology changes.

​​Compatibility and System Requirements​​

​​Supported Hardware​​

​​Model​​ ​​Description​​
FortiSwitch 112D-POE 12xGE ports with 180W PoE budget
FortiSwitch 112F-POE Multi-gigabit variant (4×2.5GbE ports)

​​Operational Requirements​​

  • ​​FortiGate Compatibility​​: Requires FortiOS 7.4.4+ for Security Fabric integration
  • ​​Memory​​: 1GB DDR4 (2GB recommended for full security features)
  • ​​Management​​: FortiSwitch Manager 7.2.1+ required

​​Limitations and Restrictions​​

  1. ​​Upgrade Constraints​​:

    • Direct upgrades from FortiSwitchOS 6.0.x require intermediate installation of 6.2.5 transitional build
    • Layer 2 security features disabled on ports 9-12 when using legacy ASICs

  2. ​​Known Operational Issues​​:

    • Intermittent LLDP packet loss in stacked configurations (patched in Build 0514)
    • Limited MACsec support on ports 1-4 only

​​Obtaining the Software​​

Authorized partners and enterprise customers can access ​​FSR_112D_POE-v6-build0512-FORTINET.out​​ through:

  1. ​​Fortinet Support Portal​​: Requires active FortiCare subscription
  2. ​​Certified Distributors​​: Available via Fortinet’s Global Partner Network

For verified download access, visit ​​https://www.ioshub.net/fortiswitch-112d-poe-firmware​​ or contact enterprise support for license validation.

Technical documentation including SHA256 checksums is accessible through Fortinet Knowledge Base (Article ID: FSW-112DPOE-6.4-RELNOTES).

Always verify firmware integrity using hardware security module (HSM) verification before deployment.

: Configuration and security features reference FortiSwitch management protocols documented in official technical guides.

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