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SNMP CPU on 7600

When walking cpmCPUTotalTable on a 7600, I am getting a 0 cpmCPUTotalPhysicalIndex for the first entry. The 0 value is valid according to the mib, but I would like to know what it might be and whether its worth monitoring ( the associated CPU busy % values are non-zero but quite low.)

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Re: SNMP CPU on 7600

cpmCPUTotalPhysicalIndex is used in IOS devices with multiple CPUs to put the information stored in cpmCPUTotalTable together with the information stored in the entPhysicalTable.

With this mapping you find out which CPU index is used for which pyhiscal CPU.

If the device only has 1 CPU, it is clear for which CPU the statistics are collected and thus cpmCPUTotalPhysicalIndex does not give you any further information.

have a look at the following document to get a better understanding:

http://www.cisco.com/en/US/tech/tk648/tk362/technologies_tech_note09186a0080094a94.shtml#multiple

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