Hi Techies,
I have recenty been reading Cisco Press' new book called "Peformance and
Fault Management" and they stated to measure utilization on a WAN interface
(full-duplex); it is recommended to use the following formula:
max ( delta(ifInOctets), delta(ifOutOctets) x 8 x 100)
------------------------------------------------------
(number of seconds in delta) x ifSpeed
They state because of "MIB II variables are stored as counters, you must
take two poll cycles and figure the difference between the two" hence the
delta number. I don't understand why two poll cycles are needed and why is
using "counters" attributed to this?
Thanks,
David
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