From: Derek Pocoroba (dpocoroba@gmail.com)
Date: Wed Nov 14 2007 - 21:47:58 ART
Alex,
Delta is correct since the question is asking for a rate of change for input
octets. Absolute would be for things that increase or decrease. Giving an
exact value CPU and memory for example. Interface type of counters would be
delta since they can only be a positive change.
HTH
On Nov 14, 2007 2:34 PM, Alex Steer <alex.steer@eison.co.uk> wrote:
> Hi,
>
>
>
> I recently had the question below and got it wrong because I configured
> an absolute instead of a delta reading. I'm abit worried I have
> misunderstood the meaning of delta and absolute. Can some one clear
> this up for me please?
>
>
>
> Many thanks
>
>
>
> Alex
>
>
>
> (word for word question below)
>
>
>
> The Network administrator has requested that R1 log an event when the
> interface input octets (ifEntry.10.1) value reaches 45000 per minute and
> when the value falls back below 35000 per minute.
>
> The sampling interval should be every 60 seconds
>
> When the 45000 threshold is breached an events should be generated that
> reads "Rising above 45000 for ifInOctets"
>
> When the value falls back to 35000 an event should be generated that
> reads "Rising above 45000 for ifInOctets"
>
> The server to log these events to is 129.X.58.100
>
> Ensure these messages are time stamped with the system's current time
> including the millisecond
>
>
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-- Derek Pocoroba CCIE #18559
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