Cisco Catalyst 4500 Series - Interrupts

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Catalyst 4500 Series Switch, Cisco IOS Software Configuration Guide - Cisco IOS XE 3.9.xE and IOS 15.2(5)Ex
Chapter 71 Onboard Failure Logging (OBFL)
Information About OBFL
04/19/2010 22:35:38 0x9 0 0 0 0 5
04/19/2010 22:49:41 0x9 0 0 0 0 0
04/19/2010 23:12:58 0x9 0 0 0 0 10
04/20/2010 00:36:04 0x9 0 0 0 1 0
04/20/2010 00:49:19 0x9 0 0 0 0 5
04/20/2010 00:58:29 0x9 0 0 0 0 0
04/20/2010 16:51:06 0x9 0 0 0 15 0
Switch#
The operational uptime application tracks the following events:
• Date and time the customer first powered on a component.
• Total uptime and downtime for the component in years, weeks, days, hours, and minutes.
• Total number of component resets.
• Total number of slot (module) changes.
• Current reset timestamp to include the date and time.
• Current slot (module) number of the component.
• Current uptime in years, weeks, days, hours, and minutes.
Interrupts
Interrupts are generated by system components that require attention from the CPU such as ASICs and
NMIs. Interrupts are generally related to hardware limit conditions or errors that need to be corrected.
The continuous format records each time a component is interrupted, and this record is stored and used
as base information for subsequent records. Each time the list is saved, a timestamp is added. Time
differences from the previous interrupt are counted, so that technical personnel can gain a complete
record of the component’s operational history when an error occurs.
Interrupts Example
Switch# sh logging onboard interrupt detail
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INTERRUPT SUMMARY INFORMATION
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Name | ID | Offset | Bit | Count
--------------------------------------------------------------------------------
dropped 2 0x0004 0 27323
ipp 6 0x5A00 0 983763
ipp high 10 0x700A 0 34105
ipp low 11 0x9000 0 30211
--------------------------------------------------------------------------------
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CONTINUOUS INTERRUPT INFORMATION
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MM/DD/YYYY HH:MM:SS mmm | Name | ID | Offset | Bit
--------------------------------------------------------------------------------
12/12/2011 16:06:43 0 ipp high 10 0x7AEA 7
12/12/2011 16:06:43 0 dropped 2 0x0006 0
12/12/2011 16:06:46 0 ipp high 10 0x7AEC 0
12/12/2011 16:06:46 0 ipp high 10 0x7AEC 1
12/12/2011 16:06:46 0 ipp high 10 0x7AEC 4
12/12/2011 16:06:46 0 ipp high 10 0x7AEC 5
12/12/2011 16:06:46 0 ipp low 11 0xC000 0
12/12/2011 16:06:46 0 ipp low 11 0xC000 1
12/12/2011 16:06:46 0 ipp low 11 0xC000 4