simple rmon absolute/delta question

From: Alex Steer (alex.steer@eison.co.uk)
Date: Wed Nov 14 2007 - 19:34:00 ART


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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