[AusNOG] Dark Fibre going Error Disable

[Chris Chaundy]

Cisco switches go into Error-Disable state on copper ports if you apply a physical loopback.  I've never tried it but I expect the same will happen with fibre ports.

Sent from my iPad

> On 15 May 2014, at 7:38 am, Skeeve Stevens <skeeve+ausnog at eintellegonetworks.com> wrote:
> 
> Hey all,
> 
> Just wondering if anyone might know what some triggers would be to cause a dark fibre link to go into Error-Disable.
> 
> It was easy to shut; no shut to bring it back online, but it was disturbing nonetheless. 
> 
> One end is Cisco and the other Juniper using ER optics - not sure if that makes a difference or not.
> 
> ...Skeeve
> 
> Skeeve Stevens - eintellego Networks Pty Ltd
> skeeve at eintellegonetworks.com ; www.eintellegonetworks.com
> Phone: 1300 239 038; Cell +61 (0)414 753 383 ; skype://skeeve
> facebook.com/eintellegonetworks ; linkedin.com/in/skeeve 
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> 
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