At 12:24 today, one of our core routers appears to have had a brief outage.
It's upstream of our monitoring server so initially everything looked like
a disaster, but upon further examination, the outage lasted less than 30
seconds and the 11 VPN sessions at the monitoring server were all back up
in less than 37 seconds.  Looking at the monitoring server and each of the
devices upstream of the monitoring server, all had uptimes of >143 days,
except the gateway router, a CCR1036.

Strangely, the uptime on the CCR1036 suggests it rebooted at 12:24 today,
but there is nothing in its log.  How can we have a 30 second service
outage and have the router's uptime reset with no log entries?  On a router
reboot, we normally have dozens of log entries before the router is up, has
the correct time and is behaving normally.

Here's a Winbox view of date, time, uptime and the log.  Any ideas?  Am I
missing something obvious?


​

Thanks,
Brough

Brough Turner
netBlazr Inc. – Free your Broadband!
Mobile:  617-285-0433   Skype:  brough
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