Owners Manual

Troubleshooting Your Application | Troubleshooting
OMNM 6.5.2 User Guide 699
• To isolate the source of performance difficulties, does un-registering Traffic Flow exporters, or
turning off monitors have an impact?
• Not receiving flows in Traffic Flow Analyzer? Make sure that router/switch is configured to
send sFlows using port 6343 and NetFlow/jFlows using port 9996.
Hardware
See Environment/Operating System Issues on page 739.
• Does your hardware match the system recommendations for the number of devices managed,
monitoring and concurrent users?
• Have you followed the installation recommendations (particularly important for Linux) in
this guide and
Installation Guide ?
Advanced Troubleshooting
If you remain unable to resolve issues with your system, the following may be helpful.
• When you contact technical support, create a
logs.jar file with the getlogs command,
so you can forward it to them.
• You can change the messages your system generates. That may be necessary. See
Debug on
page 711.
This chapter contains more troubleshooting advice like
WMI Troubleshooting Procedures on page
715, and
Linux syslog not displaying on page 729 (setting up devices for various vendors).