[c-nsp] WS-X6748-SFP input errors

[Tim Durack]

On Fri, Feb 5, 2010 at 1:50 PM, Nick Hilliard <nick at inex.ie> wrote:
> On 05/02/2010 18:12, Tim Durack wrote:
>> (It's LX over mmf as we  have standardized on LX optics.
>
> o_O
>
> If you're using mode conditioning cables at each end, I'll upgrade your
> chances of success with this link to: "Pray to Cthulu. Hard".

LX is supported over mmf. Usually this works for us...

> You need to get a power meter and measure the Rx strength each end of the
> link, in both directions.  If you want to find out exactly where the
> problem is, measure it at each patch point along the way.  You can rent or
> buy these things pretty cheaply.  You can then check the received power
> against your SFP/GBIC spec and see if it's within budget.

I'll leave that to the fiber contractor :-) Mean time, I'm going to
swap fiber with the redundant link, and see if the errors follow the
fiber or stay with the port.

> Nick
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-- 
Tim:>
Sent from Brooklyn, NY, United States