Manageengine Netflow Analyzer Installation Guide ((install))

To ensure the application starts automatically when the server reboots: Navigate to the installation directory bin folder: cd /opt/ManageEngine/NetFlowAnalyzer/bin Use code with caution. Run the registration script: sudo ./linkAsService.sh Use code with caution. 4. Initial Post-Installation Configuration Accessing the Web Console

| Scope | CPU | RAM | Hard Disk | | :--- | :--- | :--- | :--- | | | 2 Core | 4 GB | 50 GB | | Recommended (Production) | 4 Core (64-bit) | 8 GB - 16 GB | 200 GB+ (SSD recommended for high IOPS) |

Open services.msc and ensure these three services are and set to Automatic :

Run the system service registration script: ./linkAsService.sh . Enable and start the service: manageengine netflow analyzer installation guide

Alternatively, free up space in the default /tmp directory or change the system’s TMPDIR environment variable.

NetFlow Analyzer will remain blank until your routers, switches, or firewalls actively send flow packets to it. You must configure your infrastructure to export flows to the NetFlow Analyzer server IP on the designated UDP port (default 9996 ). Example: Cisco IOS NetFlow Configuration

Windows Server 2012, 2012 R2, 2016, 2019, 2022, and Windows 10 or 11 (for testing). To ensure the application starts automatically when the

You will be prompted to change the password upon first login.

ManageEngine NetFlow Analyzer Installation Guide ManageEngine NetFlow Analyzer is a robust bandwidth monitoring and traffic analysis tool. It utilizes flow technologies like NetFlow, sFlow, and J-Flow to provide real-time visibility into network performance. Installing it correctly ensures accurate data collection and optimal system performance.

You have successfully installed, verified, and secured ManageEngine NetFlow Analyzer. The journey from here involves building custom reports (e.g., "Top 10 YouTube users every Tuesday at 2 PM"), setting bandwidth thresholds, and integrating with ManageEngine OpManager for full NOC visibility. You must configure your infrastructure to export flows

| Flow Rate (flows/sec) | Processor | RAM | Database Disk Space | Raw Data Disk Space (optional) | |-----------------------|-----------|-----|---------------------|-------------------------------| | 0 – 3,000 | 2.4 GHz quad‑core | 4 GB | 200 GB | 75 GB/day | | 3,000 – 6,000 | 3.2 GHz quad‑core | 6 GB | 200 GB | 150 GB/day | | 6,000 – 9,000 | 3.2 GHz quad‑core | 8 GB | 200 GB | 225 GB/day | | 9,000 – 10,000 | 3.2 GHz quad‑core | 16 GB | 200 GB | 250 GB/day | | 10,000 – 25,000 | 3.2 GHz quad‑core | 18 GB | 225 GB | – | | 25,000 – 50,000 | 3.2 GHz quad‑core | 20 GB | 250 GB | – |

To begin receiving traffic data, configure your network routers/switches to export NetFlow data to the NetFlow Analyzer server.