3Com 3C17705, Руководство пользователя

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116 C
HAPTER
8: S
TATUS
M
ONITORING AND
S
TATISTICS
By default, log entries that are assigned a critical or warning level
remain in the log after a switch reboot. Issuing a clear log command
does not remove these static entries. To remove log entries of all levels
(including warning or critical), use the following command:
clear log static
■
Subsystem — The subsystem refers to the specific functional area to
which the error refers. Table 33 describes the subsystems.
■
Message — The message contains the log information with text that
is specific to the problem.
Local Logging The switch maintains 1,000 messages in its internal log. You can display a
snapshot of the log at any time by using the command
show log {<priority>}
where the following is true:
■
priority
— Filters the log to display message with the selected
priority or higher (more critical). Priorities include (in order) critical,
emergency, alert, error, warning, notice, info, and debug. If not
specified, informational priority messages and higher are displayed.
Table 32
Fault Levels Assigned by the Switch
Level Description
Critical A desired switch function is inoperable. The switch may need to be reset.
Warning A noncritical error that may lead to a function failure.
Informational Actions and events that are consistent with expected behavior.
Table 33 Fault Log Subsystems
Subsystem Description
Syst General system-related information. Examples include memory, power supply, security
violations, fan failure, overheat condition, and configuration mode.
STP STP information. Examples include an STP state change.
Brdg Bridge-related functionality. Examples include low table space and queue overflow.
SNMP SNMP information. Examples include community string violations.
Telnet Information related to Telnet login and configuration performed by way of a Telnet session.
VLAN VLAN-related configuration information.
Port Port management-related configuration. Examples include port statistics and errors.