What format is IP SLA History "SampleT"

Unanswered Question
Jun 19th, 2012

I am trying to use IP SLA on a CiscoIOS 12.4(24)T6 router.

It is configure to log failures only. However, we cannot interpet the output "SampleT". It shows a "SampleT" as in Start Time that is not in a recognized or documented format. 

The documentation states that it is now in "milliseconds", but that does not make sense for an Absolute Time, only for a Duration Time.

http://www.cisco.com/en/US/docs/ios/ipsla/command/reference/sla_04.html#wp1133606

Here is the output:

aus-hym-rtr01#sh ip sla history

        Point by point History

Entry    = Entry number

LifeI    = Life index

BucketI  = Bucket index

SampleI  = Sample index

SampleT  = Sample start time

CompT    = RTT (milliseconds)

Sense    = Response return code

Entry LifeI      BucketI    SampleI    SampleT    CompT      Sense      TargetAddr

1     1          433        1          783584668  0          4          172.22.255.253

1     1          434        1          783585668  0          4          172.22.255.253

1     1          435        1          783586668  0          4          172.22.255.253

1     1          436        1          783587668  0          4          172.22.255.253

1     1          437        1          783588668  0          4          172.22.255.253

1     1          438        1          783589668  0          4          172.22.255.253

1     1          439        1          783590668  0          4          172.22.255.253

1     1          440        1          783591668  0          4          172.22.255.253

1     1          441        1          783592668  0          4          172.22.255.253

1     1          442        1          783593668  0          4          172.22.255.253

1     1          443        1          783594668  0          4          172.22.255.253

1     1          444        1          783595668  0          4          172.22.255.253

1     1          445        1          783596668  0          4          172.22.255.253

1     1          446        1          783597668  0          4          172.22.255.253

1     1          447        1          783598668  0          4          172.22.255.253

How can I convert the "SampleT" aka "Sample Start Time" to a Human Date/Time?

And even more frustrating, why can't I find this documented anywhere?

Thanks,

Kris

I have this problem too.
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rasagi Mon, 07/09/2012 - 10:56

The SampleT timestamp is the SysUpTime value at the start of operation iteration. A documenation bug CSCua91554 has been filed to add this to the IP SLA command reference for the 'show ip sla history' command.

Thank you.

-Rahul

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Posted June 19, 2012 at 8:39 AM
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