Changing the SNMP Logging Level in Sun GlassFish Enterprise Manager SNMP Monitoring 1.0 Installation and Quick Start Guide describes how to use the command line to change the logging level for the three SNMP loggers:
You can also use the Administration Console to change the logging level for these loggers.
In the navigation tree, expand the Configurations node.
Expand the node for the instance or cluster you want to configure.
Select the Logger Settings node.
On the Logger Settings page, select the Log Levels tab.
If the logger whose level you want to change is in the Additional Properties list, specify the new level in the Value field, then go to step 7.
The level may be any of the following: SEVERE, WARNING, INFO, CONFIG, FINE, FINER, and FINEST.
If the logger whose level you want to change is not in the Additional Properties list, perform these steps:
The change takes effect immediately.