Passive Monitor Error Log
Passive Monitor Error Log records error and failure messages gathered from passive monitors for a time period you specify.
Each log message record contains the following data columns:
- . Date and time for the event message.
- . Passive monitor name for the observed error.
- . Target device monitor was applied to.
- . Category of the activity. For example, Con. Failed (connection failed).
- . Log message string.
: At the bottom of the Passive Monitor Error Log report, the record summary displays the total number of rows matching your filter criteria.
Fetch and filter log data
. Choose specific windows for log data, reduce by date range, or choose
 Choose specific windows for log data, reduce by date range, or choose   for the latest.
 for the latest.
Choose time constraints for data view
| Control | Purpose | 
| Date Range  | Choose or define an overall date range. | 
| Business hours  | Focus on specific days of the week and periods within each day.Reveal trends that are sensitive to business hours, time zones, and other periodic attributes in the observed data.
 | 
.  Select rows based on specific column values, remove columns, and remove noise and chaff from the table.
 Select rows based on specific column values, remove columns, and remove noise and chaff from the table.
Filter tables rows and hide and select columns
Click a column heading  and use the following from the drop down list:
 and use the following from the drop down list:
| Control | Purpose | 
| Sort.  | Sort column in ascending or descending order. | 
| Columns.  | Pick the columns you want to view. Click a check box to display the column. Clear the check box to hide it. | 
| Group by this field. | Group table into collapsible rows wherever the current column contains identical data ("field") values. | 
| Filters.  | Provide a keyword and use wildcards to view only rows that contain the keyword for the selected column or view.  Most column and log view filters provide the following wildcard matching: Match either zero characters or any one character ('?'). Example:
 198.51.100.2? (Matches tokens with IP address ending with 2, or 20-29.)Match either zero, any one, or many characters ('*'). Example:
 Stop*(Matches log strings containing Stop, Stopped, Stopping, and so on.)
 | 
Email, export, and save as PDF
Passive Monitor Error Log event data can be exported, reused, and distributed.