[AusNOG] Fiber connectivity

[Christopher Pollock]

Sounds like you're using single mode transceivers with multimode fibre
there.  Since SM optics rely on total internal reflection and multimode is
basically bendy plastic, that will probably never work.  You need some
multimode SX SFPs.

Cheers,
--
Christopher Pollock,
io Networks Pty Ltd.
e. chris at ionetworks.com.au
p. 1300 1 2 4 8 16
d. 07 3188 7588
m. 0410 747 765
f. 07 3245 0843
skype: christopherpollock
twitter.com/chrisionetworks
http://www.ionetworks.com.au
In-house, Outsourced.



On Fri, Apr 20, 2012 at 10:44 AM, Qui Le <QLe at sydneyoperahouse.com> wrote:

> We run 550m of OM1 fibre from our Cisco core to a remote site over 6 hops
> included rack to rack and we can not****
>
> seem  to get any connectivity. Using both Cisco GLC-LH-SM transceivers at
> both the Core & access Switch.****
>
> ** **
>
> Does anyone know if there are hops limitations for long haul fibres.****
>
> ** **
>
> Any advise is much appreciated.****
>
> ** **
>
> Thanks****
>
> ** **
>
> *Qui Le*
>
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