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CX11x, CX31x, CX710 (Earlier Than V6.03), and CX91x Series Switch Modules V100R001C10 Configuration Guide 12

The documents describe the configuration of various services supported by the CX11x&CX31x&CX91x series switch modules The description covers configuration examples and function configurations.
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Reliability Specifications

Reliability Specifications

The Mean Time Between Failures (MTBF) and Mean Time to Repair (MTTR) are used to evaluate system reliability.


The MTBF refers to the average time (usually expressed in hours) when a component or a device works without any failure. A larger value of the MTBF indicates higher reliability.


The MTTR refers to the average time that a component or a device will take to recover from any failure. MTTR also involves device management and customer service, and is an important specification for device maintenance.

MTTR = Fault detection time + Hardware replacement time + System initialization time + Link recovery time + Route convergence time + Forwarding recovery time

A smaller value of MTTR indicates higher reliability.

Updated: 2019-08-09

Document ID: EDOC1000041694

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