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message will be present in the log. If multiple temperature warning messages were
sent to the log, the latest one will replace the previous one. The static buffer is not
configurable.
The message types that appear in the static buffer do not appear in the dynamic
buffer. The dynamic buffer contains up to the maximum number of messages
configured for the buffer (50 by default), then begins removing the oldest messages
(at the bottom of the log) to make room for new ones.
The static and dynamic buffers are both displayed when you display the log.
(config)# show logging
...
Static Log Buffer:
Aug 27 12:42:42:A:Power Supply 6, 1st right, failed
Dynamic Log Buffer (50 lines):
Aug 27 12:19:04:I:Interface ethernet3/4, state up
Aug 27 12:19:04:I:Interface ethernet6/3, state up
Aug 27 12:19:04:I:Interface ethernet3/2, state up
Aug 27 12:19:04:I:Interface ethernet6/1, state up
Aug 27 12:19:00:N:Module up in slot 6
Aug 27 12:19:00:N:Module up in slot 3
Aug 27 12:18:43:I:Warm start
When you clear log entries, you can selectively clear the static or dynamic buffer, or
you can clear both. for example, to clear only the dynamic buffer, enter the following
command at the Privileged EXEC level:
# clear logging dynamic-buffer
Syntax: clear logging [dynamic-buffer | static-buffer]
You can specify the dynamic-buffer keyword to clear the dynamic buffer or the
static-buffer keyword to clear the static buffer. If you do not specify a buffer, both
buffers are cleared.
Syntax: show log
Syslog messages for PCI (hardware) errors
Chassis devices support the display of PCI (hardware) read and write errors
encountered on a slot/module during bootup and during normal system operations.
There are four types of PCI errors, which may cause the system to disable/power
down the module(s) on which they occur:
v Configuration read error
v Configuration write error
v Memory read error
v Memory write error
For more information, see the Configuration Guide.
Managing the switch fabric modules
If desired, you can disable power to a switch fabric module and then reenable it. To
disable the power, enter the following command at the Privileged EXEC level of the
CLI:
# disable switch-fabric 1
Chapter 5. Managing the Chassis and Modules
71
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