Calculate Bandwidth Utilization Using SNMP

For half-duplex media:

(ifInOctets + ifOutOctets) x 8 x 100 / ifSpeed

For full-duplex media:

max(ifInOctets + ifOutOctets) x 8 x 100 / ifSpeed

ifInOctets and ifOutOctets value: between two pool cycles of collectin the SNMP objects, which representes the count of inbound octets of traffic.

(from RFC1213 MIB)

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