Manageengine Netflow Analyzer Installation Guide Top May 2026

| Issue | Likely Cause | Resolution | |-------|--------------|-------------| | Web UI not loading | Port 8060 blocked | netstat -tulnp \| grep 8060; open firewall | | No flow data | Wrong device export port | Match device config with analyzer’s receiver port | | High memory usage | Too many interfaces/flows | Reduce retention period or add more RAM | | Database connection fail | PostgreSQL not started | Run systemctl start postgresql-13 | | SNMP interface names missing | Community string wrong | Test with snmpwalk -v2c -c public <device> .1.3.6.1.2.1.31.1.1.1.1 |

| Component | Tuning Action | |-----------|----------------| | JVM Heap | 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 | manageengine netflow analyzer installation guide top

Select the folder where the application will be installed. | Issue | Likely Cause | Resolution |

Example Cisco IOS command:

ip flow-export destination <collector_ip> 2055
ip flow-export source <interface>
ip flow-export version 9

Upload the downloaded .bin file to your Linux server (e.g., /opt/ or /home/). Open the terminal and navigate to the directory: Select the folder where the application will be installed

cd /path/to/installer/
chmod +x ManageEngine_NetFlow_Analyzer.bin

Network: low-latency connectivity between collectors and exporters; ensure UDP/2055 (or configured ports) allowed.

OS: supported Linux distributions (RHEL/CentOS/Ubuntu) and Windows Server versions; Java/Perl dependencies.

Storage: IOPS and retention planning; flow database sizing calculator.

Licensing: edition selection (Free, Professional, Enterprise), node-based vs. flow-rate considerations.