Re: [c-nsp] SFP DOM SNMP Polling?

[Mel Beckman <mel () beckman org>]

Michael,

I totally missed the fact that reads don’t stress EEPROMs! <blush>

Excellent point, and makes the vendor’s claim totally bogus.

Probably just one employees claim, but the vendor should step up and fix the real problem.

 -mel


> On Nov 22, 2016, at 9:11 AM, Michael Loftis <mloftis () wgops com> wrote:
>
> On Tue, Nov 22, 2016 at 6:32 AM, Tim Durack <tdurack () gmail com> wrote:
> > I have a vendor that does not support SFP DOM SNMP polling. They state this
> > is due to EEPROM read life cycle. Constant reads will damage the SFP.
>
> Complete and total garbage.  Reading from EEPROM and Flash both DO NOT
> WEAR.  It is the erase+write cycle that wears them.  Further typical
> EEPROM life cycle is ~1M erase/write cycles.  If you wrote it every
> minute you could conceivably wear it out in a couple years...but thats
> flat out not how it works.  The EEPROM, if any, is not going to be
> used for statistics data....maybe fail counts of some kind, lifetime
> (hours) maybe...that sort of thing.
>
>
> > We SNMP poll SFP DOM from Cisco equipment without issue.
> >
> > Not heard this one before. Trying to see if there is some validity to the
> > statement. Thoughts?
> >
> > Tim:>
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>
>
> -- 
>
> "Genius might be described as a supreme capacity for getting its possessors
> into trouble of all kinds."
> -- Samuel Butler