When I worked for Madge Networks (read about the company here)
I encountered a difficult problem. A bank had bought a large number of
RAMs (token-ring networking hubs). These hubs were randomly rebooting. I
started diagnosing the problem using a rudimentary checklist I had an
failed to find a resolution. Eventually, two engineers from the UK
arrived to assist on the problem. They had a head start on me as the
problem had already been reported at a few other sites world wide. It
eventually turned out to be oxidization on the power connectors to the
power switching supply. The wrong tool and materials had been used to
crimp and attach the connectors which had resulted in the oxidization
and hence the intermittent resetting of the network equipment. However,
the engineers provided a valuable hint in how to dramatically reduce the
time to troubleshoot. They said a problem with networking equipment is
either hardware or software and when it doubt it is most probably
hardware.
Read the full article on LinkedIn here.
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