NTP Logging

The NTP Logging configuration controls which type of events are logged by the NTP daemon using syslog, and the verboseness of the logs. By default, the NTP daemon will log all synchronization messages.

The logging configuration is set using the logconfig command from within config-ntp mode.

logconfig sequence <seq> <action> <class> <type>
seq

Specifies the sequence for log entries so that the order of parameters may be controlled by the configuration.

action

Specifies the action for this log entry, as one of:

set

Set the mask for the log entry. Typically this would be used for the first entry to control which message class+type is logged as the base set of log entries.

add

Add log entries matching this specification to the specified total set of logs.

delete

Do not log entries matching this specification in the total set of logs.

class

Specifies the message class, which can be one of:

all

All message classes

clock

Messages about local clock events and information.

peer

Messages about peers.

sync

Messages about the synchronization state.

sys

Messages about system events and status.

type

Specifies the type of messages to log for each class:

all

All types of messages.

events

Event messages.

info

Informational messages.

statistics

Statistical information.

status

Status changes.