Cisco Catalyst 9500 Manual page 287
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Also See for Catalyst 9500:
- Manual (360 pages) ,
- Configuration manual (223 pages) ,
- Hardware installation manual (122 pages)
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Troubleshooting the Software Configuration
By default, OBFL is enabled. It collects information about the device and small form-factor pluggable (SFP)
modules. The device stores this information in the flash memory:
• CLI commands—Record of the OBFL CLI commands that are entered on a standalone device.
• Environment data—Unique device identifier (UDI) information for a standalone device and for all the
• Message—Record of the hardware-related system messages generated by a standalone device .
• Power over Ethernet (PoE)—Record of the power consumption of PoE ports on a standalone device .
• Temperature—Temperature of a standalone deicev .
• Uptime data—Time when a standalone device starts, the reason the device restarts, and the length of
• Voltage—System voltages of a standalone device .
You should manually set the system clock or configure it by using Network Time Protocol (NTP).
When the device is running, you can retrieve the OBFL data by using the show logging onboard privileged
EXEC commands. If the device fails, contact your Cisco technical support representative to find out how to
retrieve the data.
When an OBFL-enabled device is restarted, there is a 10-minute delay before logging of new data begins.
Fan Failures
By default, the feature is disabled. When more than one of the fans fails in a field-replaceable unit (FRU) or
in a power supply, the device does not shut down, and this error message appears:
Multiple fan(FRU/PS) failure detected. System may get overheated. Change fan quickly.
The device might overheat and shut down.
To enable the fan failures feature, enter the system env fan-fail-action shut privileged EXEC command. If
more than one fan in the device fails, the device automatically shuts down, and this error message appears:
Faulty (FRU/PS) fans detected, shutting down system!
After the first fan shuts down, if the device detects a second fan failure, the device waits for 20 seconds before
it shuts down.
To restart the device, it must be power cycled.
connected FRU devices: the product identification (PID), the version identification (VID), and the serial
number.
Note
This feature is not supported on the C9500-12Q, C9500-16X, C9500-24Q,
C9500-40X models of the Cisco Catalyst 9500 Series Switches.
time the device has been running since it last restarted.
System Management Configuration Guide, Cisco IOS XE Fuji 16.8.x (Catalyst 9500 Switches)
Fan Failures
273
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