With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ifMauHCFalseCarriers
if Mau HC False Carriers
1.3.6.1.2.1.26.2.1.1.14
during IDLE in 100BASE-X and 1000BASE-X links. For all other MAU types, this counter will always indicate zero. This counter does not increment at the symbol rate. This counter is a 64 bit version of ifMauFalseCarriers. Since the 32 bit version of this counter can roll over very quickly, management stations are advised to poll the 64 bit version instead in order to avoid loss of information. Discontinuities in the value of this counter can occur at re-initialization of the management system, and at other times as indicated by the value of ifCounterDiscontinuityTime.
Back to MAU-MIB MIB page.
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