Media Flow Controller Web-Based Interface : System Config Tab : System Config > Logging

System Config > Logging
Configure logging options.
Local Log Filtering
Set log filters. See Figure 52. Severity level options are:
Notice—Normal but significant condition or response that could affect operations (default).
Emerg—System is unusable or cannot recover.
Alert—Action must be taken immediately for functioning to continue.
Critical—An unexpected error-causing condition or response for unknown reasons.
Error—Error conditions.
Warning—An anomalous condition that can be ignored and functioning continue, but may affect operations.
Info—Normal but significant condition or response that does not affect operations.
Debug—Messages generated by the system debugging utility.
If None is specified for the log level, Media Flow Controller does not log anything from this class.
Click Apply to complete Log filtering configuration, Cancel to revert to existing configuration. Click Save at the top of the page to make changes persistent across reboots.
Figure 52 System Config > Logging Page Detail (Local Log Filtering)
Local Log Rotation
Set log rotation parameters; this is especially valuable if this Media Flow Controller will be managed by Central Management Console. See Figure 53. Options are:
Rotate everyDay (at midnight), Week (first day, at midnight), or Month (first day, at midnight).
Rotate when log reaches—Either a certain size OR a percentage of storage space. If a size criteria is chosen, the file size is checked hourly, so if it passes the threshold in the middle of the hour it is not rotated right away.
Keep at most <n> log files—How many logs to maintain on the system. If the number of log files exceeds this number (at rotation time, or when this setting is lowered), the system deletes as many as necessary, starting with the oldest, to bring it down to this number.
Click Apply to complete Log rotation configuration, Cancel to revert to existing configuration.
Click Save at the top of the page to make changes persistent across reboots.
Figure 53 System Config > Logging Page Detail (Local Log Rotation)
Remote Log Sinks
View and Remove configured Log Sinks (remote servers receiving log messages from this system). See Figure 54.
Remote Sink—Address of configured Remote Sink.
Minimum Severity—The configured log severity level for this Remote Sink.
Click Save at the top of the page to make changes persistent across reboots.
Figure 54 System Config > Logging Page Detail (Remote Log Sinks)
Add New Remote Sinks
Enter IP address and and choose a Minimum Severity level (described above). See Figure 55.
Click Apply to complete Remote Sink configuration, Cancel to revert to existing configuration. Click Save at the top of the page to make changes persistent across reboots.
Figure 55 System Config > Logging Page Detail (Add New Remote Sink)
Log Format
Choose either Standard (default) or WELF (Web trends Enhanced Log Format). If you choose WELF, a WELF firewall name option displays; specify the firewall name that should be associated with each message logged in WELF format. If no firewall name is set, the hostname is used by default. See Figure 56.
Figure 56 System Config > Logging Page Detail (Log Format)

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Media Flow Controller Administrator's Guide and CLI Command Reference
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