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echo: irex
to: Mike Luther
from: mark lewis
date: 2016-02-04 10:18:28
subject: NO ONE CAN CONNECT

03 Feb 16 22:01, you wrote to Andrew Leary:

[...]

 ML> Interestingly, the switch that was behind the then cable modem
 ML> originally worked fine - SOME TIMES - but locked up everything lots of
 ML> the time as well here.  After lots of research, my at then SMC
 ML> Networks switch simply would not handle their new format for this and
 ML> that.

i've seen similar but only once in all the years i've done networking
infrastructure... that was when adding a new switch to an existing network
made of apple-gear... it finally turned out that the new switch had a
slightly different implementation (read more modern) of jumbo-frames than
the old apple gear already in place... since these were all unmanaged
switches, the only solution was to replace the new one with one that
understood the older format being used...

the most common switch problem i've seen has been poor ventilation and heat
removal... the switches are simply overheating... i have actually removed
switch guts from their housings or even simply opened them up and the
problems have gone away... this is especially true with consumer-grade
gear... some cheap corporate-grade gear has the same problem, too... it is
what happens when you let decorators design your equipment housings to
"make them pretty"...

)\/(ark

... A politician is a fellow who will lay down your life for his country.
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