Router at branch not showing interface up or down status ,when the interface getting disconnected .
Faced the issue of disconnection of interfaces, switch logs showings interface down but not logs in the router for the same.
Please advice -Solution
Cisco IOS Software, 2800 Software (C2800NM-ADVSECURITYK9-M), Version 15.1(4)M10, RELEASE SOFTWARE (fc2)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2015 by Cisco Systems, Inc.
Compiled Tue 24-Mar-15 09:00 by prod_rel_team
ROM: System Bootstrap, Version 12.4(13r)T, RELEASE SOFTWARE (fc1)
Router uptime is 2 years, 41 weeks, 2 days, 19 hours, 18 minutes
System returned to ROM by reload at 17:00:43 UAE Thu Mar 10 2016
System image file is "flash:c2800nm-advsecurityk9-mz.151-4.M10.bin"
Last reload type: Normal Reload
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Cisco 2811 (revision 1.0) with 247808K/14336K bytes of memory.
log settings :-
Syslog logging: enabled (0 messages dropped, 3 messages rate-limited, 0 flushes, 0 overruns, xml disabled, filtering disabled)
No Active Message Discriminator.
No Inactive Message Discriminator.
Console logging: level debugging, 1152075 messages logged, xml disabled,
Monitor logging: level debugging, 0 messages logged, xml disabled,
Buffer logging: level warnings, 3162 messages logged, xml disabled,
Exception Logging: size (4096 bytes)
Count and timestamp logging messages: disabled
Persistent logging: disabled
Trap logging: level informational, 1152079 message lines logged
Logging Source-Interface: VRF Name:
Log Buffer (51200 bytes):
Other than the output of "sh version", I would say there's nothing wrong.
Logs is enabled but there nothing to see.
Post the complete output to the command "sh logs".
Possible link logging has been disabled in the interface
no logging event link status