Ensure that UDP port 9995 is open for inbound flow traffic, or data will not reach the analyzer.
Which are you using? (Windows Server, Ubuntu, RHEL)
Download the latest version of the ManageEngine NetFlow Analyzer installer from the official website. Step 2: Run the Executable Run the downloaded .exe file as an . Click Next on the welcome screen. Review and accept the License Agreement. Step 3: Configure Installation Directory manageengine netflow analyzer installation guide top
| Component | Tuning Action | |-----------|----------------| | | Edit bin/netflow.sh (Linux) or NetFlowAnalyzer.lax (Windows): -Xms4096m -Xmx8192m | | Database | Move built-in DB to separate disk; increase shared_buffers in PostgreSQL | | Flow retention | Set data aging: Settings → Data Management – keep raw flows 7 days, aggregated 1 year | | High availability | Use load balancer + two NetFlow Analyzer nodes sharing external DB & file store |
The dashboard was… empty. A vast, blue graph of zeroes. Ensure that UDP port 9995 is open for
To install ManageEngine NetFlow Analyzer, you must ensure your server meets the hardware requirements, run the appropriate installer for your OS, and configure the necessary firewall ports to receive flow data. 📋 System Prerequisites
Verify that the NetFlow Analyzer service actively listens on its designated traffic collection ports. netstat -ano | findstr 9996 Use code with caution. Linux Command: sudo netstat -lunp | grep 9996 Use code with caution. Step 2: Run the Executable Run the downloaded
SNMP ports used for device discovery and mapping interface names. 2. Windows Installation Walkthrough Step 1: Download and Initial Setup
If you encounter issues during installation, refer to the ManageEngine NetFlow Analyzer documentation or contact their support team for assistance.