<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>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.<br><br>Sent from my iPad</div><div><br>On 15 May 2014, at 7:38 am, Skeeve Stevens <<a href="mailto:skeeve+ausnog@eintellegonetworks.com">skeeve+ausnog@eintellegonetworks.com</a>> wrote:<br><br></div><blockquote type="cite"><div><div dir="ltr">Hey all,<div><br></div><div>Just wondering if anyone might know what some triggers would be to cause a dark fibre link to go into Error-Disable.</div><div><br></div><div>It was easy to shut; no shut to bring it back online, but it was disturbing nonetheless. </div>
<div><br></div><div>One end is Cisco and the other Juniper using ER optics - not sure if that makes a difference or not.<br clear="all"><div><div dir="ltr"><div><br>...Skeeve</div><div><br></div><div><div><b style="font-size:13px;font-family:Calibri">Skeeve Stevens - </b><span style="font-size:13px;font-family:Calibri">eintellego Networks Pty Ltd</span></div>
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