176 Summit 200 Series Switch Installation and User Guide
Status Monitoring and Statistics
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 49
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 following command:
show log {<priority>}
where:
On stacked configurations, all log messages with priority above warning are forwarded from the stack
members to the stack master switch where the messages are maintained. Because the stack master
terminates all Telnet and console sessions, the output of the
show log command is identical to users
Informational Actions and events that are consistent with expected behavior.
Debug Information that is useful when performing detailed troubleshooting
procedures.
Table 49: 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.
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, all messages
are displayed.
Table 48: Fault Levels Assigned by the Switch
Level Description
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