I recieved this log message today on my 7206 that confuses me. The message itself makes sense, but there were no log messages being generated that would have caused this output.
I have gotten this message before, but I thought it was related to a "Log-input" command on an access-list. I have issued the no logging console garunteed command as well as tweaked the access-list so that it would not log as many hits. The log is not showing any log entries for yesterday or so far today, yet I still recieved it. Router's clock is synced properly as well. Weird.... Anyone have any ideas what this could be from?
Apr 6 09:21:14.579: %SYS-3-LOGGER_FLUSHED: System was paused for 00:00:00 to ensure console debugging output.
>> Apr 6 09:21:14.579: %SYS-3-LOGGER_FLUSHED: System was paused for 00:00:00 to ensure console debugging output.
This message says that for the very high volume of messages that have to be written on the console the router decided to halt other processes including forwarding to ensure correct and complete logging.
this is the output of the error message decoder:
%SYS-3-LOGGER_FLUSHED: System was paused for [time-stamp] to ensure console debugging output
Debugging or informational messages are being generated faster than they can be displayed on the console. To guarantee that they can be seen, the rest of the system is paused until the console output catches up. This can break time-critical behavior, such as maintaining an ISDN link.
Recommended Action: Consider using conditional debugging, turning off console logging, using the no logging console guaranteed command, or turning off link-state messages for some interfaces.
my suggestion is the following:
You can consider to send log messages only to a syslog server and to turn off console logging.
For example I did it during a TAC service request to collect debug info over time because also cpu usage if debugging is sent to the console is much higher.
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