The value of ifInOctets or ifOutOctets is the average of octets(bit) received
or sent by an interface during last interval time.
To obtain the value in performance you need to multiply this value for 8 and
devide for the speed of interface.
For example: Speed of interface (ifSpeed) is 64Kb
value of ifInOctets is 250
The %(percentage) of bandwidth utilization of received will be: 250*8/64000
If the interface is Full Duplex each interface has a 64Kb of Speed
In case of Half Duplex you need to sum the percentage of received and sent
octets during the same interval time.
Bye
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