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You can select the events by severity level . Each log message has a severity
level marked with the first letter of the severity level separated by dashes (-) on
each side (except for Emergency that is indicated by the letter F) . For example,
the log message "%INIT-I-InitCompleted: ... " has a severity level of I, meaning
Informational .
The event severity levels are listed from the highest severity to the lowest
severity, as follows:
Emergency—System is not usable .
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•
Alert—Action is needed .
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Critical—System is in a critical condition .
Error—System is in error condition .
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Warning—System warning has occurred .
Notice—System is functioning properly, but a system notice has
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occurred .
Informational—Device information .
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Debug—Detailed information about an event .
You can select different severity levels for RAM and Flash logs . These logs are
displayed in the RAM Log page and Flash Memory Log page, respectively .
Selecting a severity level to be stored in a log causes all of the higher severity
events to be automatically stored in the log . Lower severity events are not
stored in the log .
For example, if Warning is selected, all severity levels that are Warning and
higher are stored in the log (Emergency, Alert, Critical, Error, and Warning) . No
events with severity level below Warning are stored (Notice, Informational, and
Debug) .
To set global log parameters, do the following:
STEP 1 Click Configuration > System Management > Logs > Log Management .
STEP 2 Enter the parameters .
System Log
Logging—Select to enable message logging .
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Originator Identifier—Enables adding an origin identifier to SYSLOG
messages . The options are as follows:
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Chapter 4 System Management
None—Do not include the origin identifier in SYSLOG messages .
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Hostname—Include the system hostname in SYSLOG messages .
IPv4 Address—Include the IPv4 address of the sending interface in
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SYSLOG messages .
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IPv6 Address—Include the IPv6 address of the sending interface in
SYSLOG messages .
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User Defined—Enter a description to be included in SYSLOG messages .
Log Settings
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Severity—Select the severity levels of the messages to be logged to the
following:
RAM Memory Logging—Severity levels of the messages to be logged to
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the RAM .
Flash Memory Logging—Severity levels of the messages to be logged to
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the Flash memory .
STEP 3 Click Apply . The Running Configuration file is updated .
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