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Ciscoworks LMS : Syslog in a Nutshell!


This Document is intended to share a brief detail on Ciscoworks LMS Syslog Architechture and how it works. The Image explains the how Syslog works in LMS and some basic information required to troubleshoot the syslog issues :


For any issues with Syslog process, we need to consider some of the following points:

> First of all please check if the Syslog message is being written to Syslog.log (windows) or Syslog_info (Solaris).

> If the syslog is not coming to the log file check the network & security policies and make sure the port of Ciscoworks LMS IP is not blocked for traffic.

> Check if Syslog process is running :

# crmlog in Windows. Check if process is started in Services (CWCS Syslog Service) and available in Task manager as a process (crmlog.exe).

#syslogd in Solaris. Make sure that syslogd is running by typing in ps -ef | grep syslogd, you should see the syslogd process returned.

> Check Proper permissions for casuser and casusers on syslog.log | syslog_info.

> Check if SyslogAnalyzer and SyslogCollector are up and running and bind to their default port. Use pdshow <process name> to see the detals of the process. Example : pdshow SyslogAnalyzer.

> In case if any other process/software is using the port, we can change the default port for SyslogAnalyzer (3333/tcp) and SyslogCollector (4444/tcp) to bind them to another available port number using the NMSROOT/bin/ script.

> Sometimes a excessively huge Syslog*.db may have issues, we can drop the Db Space and Data spaces can be dropped using the NMSROOT/MDC/tomcat/webapps/rme/WEB-INF/debugtools/dbcleanup/

#NOTE: Dropping Syslog*.db Data Space will remove all the previous Syslog information from DB. It can be considered equivalent as re-init of Syslog Db.


We may have to debug various processes depending on where we identify the issue. Following is the procedure to debug Syslog:

# Debugging Crmlog :

  We have to turn the Debug level to 1 in registry setting in windows (Start>Run>regedit) atHKLM\SYSTEM\CurrentControlSet\Services\crmlog\Parameters. Output is written to Syslog_debug.log.

#Debugging SyslogCollector:

  We have to modify  Collector.Properties and edit DEBUG_LEVEL to DEBUG. Output is written to SyslogCollector.log.

#Debugging SyslogAnalyzer:

This can done via GUI Debug Settings for SyslogAnalyzer module. In RME admin setting in LMS 3.x or earlier andadmin>system>debug settings for LMS 4.x onwards. Output is written to SyslogAnalyzer.log.

#Debugging Syslogd :

svccfg -s svc:/system/system-log setprop config/log_from_remote = true (Solaris 10)

OR we can also start syslogd in debug mode, by using the following procedure:

- Stop syslogd by using /etc/init.d/syslog stop
- Start syslogd in debug mode by using:
/usr/sbin/syslogd -d > /tmp/syslogd_debug.txt 2>&1
- Trigger syslogs from a device and also using the following command:
Logger -p "test"
- Use Ctrl-C to stop syslogd in debug mode and collect the
/tmp/syslogd_debug.txt file
- Start syslog again normally by using /etc/init.d/syslog start

Hope this will be helpful while troubleshooting Ciscoworks LMS Syslog issues.

Michel Hegeraat
Rising star

my 2 cents  ,

When a user says no syslogs are received by LMS, a rather 'common' problem is that syslog messages are send with an IP address that is different from the management address.

While the messages get to LMS there are not seen as devices managed by LMS hence not copied into the databases and therefore not visible in the webGUI.

A solution for this is to make the device send it syslogs with the interface that has the management IP address.

     logging source-interface vlan123

if the interface vlan 123 has the management IP address of the device.