User guide

4-8
Cisco H.323 Signaling Interface User Guide
OL-2156-04 Rev. A1
Chapter 4 Managing the Cisco HSI
Logging
set-overload:level1|level2|level3:calls, lower=number, upper=number
set-overload:level1|level2|level3:gap, filter=normal|all, percent=number
The upper parameter specifies the threshold for overload detection, and the lower parameter specifies
the hysteresis point at which the overload condition is removed.
The lower value should be greater than the upper value of the next lower severity level.
For example:
set-overload:level1:cpu, lower=45, upper=50
set-overload:level1:gap, filter=normal, percent=50
set-overload:level2:cpu, lower=63, upper=70
set-overload:level2:gap, filter=normal, percent=75
set-overload:level3:cpu, lower=81, upper=90
set-overload:level3:gap, filter=normal, percent=95
These values mean that:
• At less than 50 percent CPU usage, no call is gapped.
• From 50 percent to 70 percent CPU usage, 50 percent of calls are gapped.
• From 70 percent to 90 percent CPU usage, 75 percent of calls are gapped.
• At more than 90 percent CPU usage, 95 percent of calls are gapped.
• Before the overload level returns from level 3 to level 2, the CPU usage must fall to less than
81 percent.
Retrieving Overload Data
Use the rtrv-overload MML command to display the overload status and related overload data. For
information about this command, see Appendix A, “MML User Interface and Command Reference.”
Logging
The logging level of one or more service packages is set using the set-log MML command. For more
information about this command, see Appendix A, “MML User Interface and Command Reference.”
Rotating Log Files
Log files are rotated at system startup or when either of the following conditions occurs:
• The size limit for the corresponding file is reached. The size of the corresponding log file is equal
to or greater than the value that the LOGFILEROTATESIZE configuration parameter specifies. The
default value for this parameter is 10 Mb (see Chapter 3, “Provisioning the Cisco HSI”).
• The age limit for the corresponding file is reached. The corresponding log file is equal to or older
than the interval that the LOGFILEROTATEINTERVAL parameter specifies. The default value for
this parameter is 1440 minutes (24 hours). See Chapter 3, “Provisioning the Cisco HSI,” for more
information about this parameter.