[c-nsp] interpretation of sysTrafficPeakTime

Tassos Chatzithomaoglou achatz at forthnet.gr
Thu Jul 31 07:42:28 EDT 2008


That's what i though too.
But then it should be increasing as time passes by...which it doesn't ;)

--
Tassos

dwinkworth at wi.rr.com wrote on 31/7/2008 12:39 πμ:
> The value represents the amount of time that has passed since the highest recorded peak.
> 
> I don't know if this value rolls over or not.  I don't think it does.
> 
> ---- Tassos Chatzithomaoglou <achatz at forthnet.gr> wrote: 
>> Arie,
> 
> Actually i was using "sh platform hardware capacity fabric" to see it through the cli.
> 
> Still, my main concern is... should i stick to my 1st explanation or the 2nd one?
> 
> --
> Tassos
> 
> Arie Vayner (avayner) wrote on 29/7/2008 11:22 μμ:
>> Tasso,
>>
>> Your analysis makes sense.
>> It seems that this OID is basically what you can see with this command:
>> Router#show catalyst6000 traffic-meter
>>   traffic meter =   1%  Never cleared
>>            peak =   1%        reached at 20:14:17 UTC Tue Jul 29 2008 
>>
>> Arie
>>
>> -----Original Message-----
>> From: cisco-nsp-bounces at puck.nether.net
>> [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Tassos
>> Chatzithomaoglou
>> Sent: Tuesday, July 29, 2008 20:22 PM
>> To: cisco-nsp
>> Subject: [c-nsp] interpretation of sysTrafficPeakTime
>>
>>
>> According to the cisco-stack-mib:
>>
>> sysTrafficPeakTime OBJECT-TYPE
>>          SYNTAX        TimeTicks
>>          MAX-ACCESS    read-only
>>          STATUS        current
>> DESCRIPTION   "The time (in hundredths of a second) since the peak
>> traffic meter value
>> occurred."
>>          ::= { systemGrp 20 }
>>
>>
>> Can someone please interpret the above description?
>>
>>
>> I'm thinking of 2 different values here:
>>
>> 1) current time (present) <=== peak time (past)     : the value should
>> increase as time passes by (*)
>>
>> 2) power-on/reset time (past) ===> peak time (past) : the value should
>> stay constant as time passes by (*)
>>
>>
>> If i was to interpret it, i would probably choose the 1st one, but
>> according to my sample snmp outputs on some 6500s/7600s the 2nd seems to
>> be the correct one.
>>
>> (*) having only one peak traffic time
>>
>> --
>> Tassos
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