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Cisco Performance Routing Engine 5 Manual de instalação do hardware

The OBFL stored data assists in understanding and debugging field failures upon RMA (Return Material Authorization) of a PRE at

repair and failure analysis sites. OBFL records operating temperatures, hardware uptime, interrupts, and any other important events

that assist board diagnosis in case of hardware failures.

For more information on the feature, see the

Note

The output from the Cisco CMTS router may vary slightly compared to the output samples shown in the URL mentioned

above.

Logging details for OBFL

• OBFL is enabled by default. You need to enable the feature if it has been disabled previously.

• On the PRE, logging begins after the system starts up.

• OBFL updates the PRE temperatures and voltage sensors every 5 minutes.

• Temperature and voltage data is stored only when it is different from the last stored record.

• The maximum logging time is 2 hours, hence, a new record is stored every 2 hours, regardless of data variation.

• Logs are organized as current (continuous) and historical (summarized) data records.

• OBFL logging has no impact on performance.

Storing OBFL Data

The PRE logs are recorded in the bootflash, where other system images, configuration information, and crash dumps are stored.

OBFL logs are identified by the extension (*_hist or *_cont). The maximum memory used on the flash disk for OBFL storage is 2

MB.

The dir bootflash command displays a list of log files (including OBFL logs). Given below is a sample output of the additional

filenames in use by OBFL:

dir bootflash:

Router#

Directory of bootflash:/

-rw- 202752 Jan 4 2013 16:13:10 -05:00 env_cont

-rw- 69120

Jan 4 2013 16:13:12 -05:00 temp_hist

13 -rw- 69120

Jan 4 2013 16:13:12 -05:00 volt_hist

14 -rw- 33792

Jan 4 2013 16:13:12 -05:00 uptime_cont

15 -rw- 201216 Jan 4 2013 16:13:18 -05:00 errmsg_cont

16 -rw- 67584

Jan 4 2013 16:13:16 -05:00 env_hist

17 -rw- 135168 Jan 4 2013 16:13:18 -05:00 temp_cont

18 -rw- 135168 Jan 4 2013 20:17:28 -05:00 volt_cont

19 -rw- 6144

Jan 4 2013 16:13:14 -05:00 uptime_exthist

20 -rw- 4096

Jan 4 2013 16:13:16 -05:00 uptime_hist

Displaying OBFL Data

The show logging onboard [status] command displays the logs from the OBFL data.

For information on OBFL commands, see the

Onboard Failure Logging

feature guide.

Configuration Tasks

section in the Onboard Failure Logging feature guide.