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Archive for July 22nd, 2009

Understanding SNMP MIBs and OIDs

July 22nd, 2009 No comments

MIB stands for Management Information Base and is a collection of information organised into a hierarchy. These are accessed using a protocol such as SNMP. There are two types of MIBs: scalar and tabular. Scalar objects define a single object instance whereas tabular objects define multiple related object instances grouped in MIB tables. Read more…

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Calculating Network Availability

July 22nd, 2009 No comments

Mean Time Between Failures (MTBF)

MTBF is a basic measure of reliability for components that are able to be repaired. It is the number of hours that pass before a component or system fails. It is a commonly-used variable in network availability analyses and reports. Read more…

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