[AusNOG] NBN - fibre link state pass-through (iinet IPoE NBN)

[Mark ZZZ Smith]

      From: Elliott Willink <Elliott.Willink at vibegroup.com.au>
 To: "ausnog at lists.ausnog.net" <ausnog at lists.ausnog.net> 
 Sent: Monday, 13 April 2015, 15:57
 Subject: [AusNOG] NBN - fibre link state pass-through (iinet IPoE NBN)
   
 <!--#yiv5966233266 _filtered #yiv5966233266 {font-family:"Cambria Math";panose-1:2 4 5 3 5 4 6 3 2 4;} _filtered #yiv5966233266 {font-family:Calibri;panose-1:2 15 5 2 2 2 4 3 2 4;} _filtered #yiv5966233266 {font-family:Tahoma;panose-1:2 11 6 4 3 5 4 4 2 4;}#yiv5966233266 #yiv5966233266 p.yiv5966233266MsoNormal, #yiv5966233266 li.yiv5966233266MsoNormal, #yiv5966233266 div.yiv5966233266MsoNormal {margin:0cm;margin-bottom:.0001pt;font-size:11.0pt;font-family:"Calibri", "sans-serif";}#yiv5966233266 a:link, #yiv5966233266 span.yiv5966233266MsoHyperlink {color:blue;text-decoration:underline;}#yiv5966233266 a:visited, #yiv5966233266 span.yiv5966233266MsoHyperlinkFollowed {color:purple;text-decoration:underline;}#yiv5966233266 p.yiv5966233266MsoAcetate, #yiv5966233266 li.yiv5966233266MsoAcetate, #yiv5966233266 div.yiv5966233266MsoAcetate {margin:0cm;margin-bottom:.0001pt;font-size:8.0pt;font-family:"Tahoma", "sans-serif";}#yiv5966233266 span.yiv5966233266EmailStyle17 {font-family:"Calibri", "sans-serif";color:windowtext;}#yiv5966233266 span.yiv5966233266BalloonTextChar {font-family:"Tahoma", "sans-serif";}#yiv5966233266 .yiv5966233266MsoChpDefault {font-family:"Calibri", "sans-serif";} _filtered #yiv5966233266 {margin:72.0pt 72.0pt 72.0pt 72.0pt;}#yiv5966233266 div.yiv5966233266WordSection1 {}-->Hi Everyone,    We have been battling an NBN fault (new service) for a customer for the past 2 months – Basically seeing copper-side interface down from our router to the NTD at roughly the same times each morning (NBNco have replaced the NTD & power supply, we have replaced our router & cabling).    NBNCo and the provider (iinet) seem to have zero visibility into fibre link state – With the only diagnostics available from anyone at iinet being the IPoE session times, which do not reliably drop when the router to NTD link drops.    Despite multiple escalations to the iinet fibre team, we can’t get an answer to this question: Will a fibre link disruption be reflected on the copper side of the NTD?  (Without knowing that much about the post-NTD side of the NBN network, is there FEF/link state pass-through/some other mechanism by which the NTD would shut down UNI-D ports in response to a fibre-optic fault somewhere between the CPE and the PoI?)
/ iiNet should be escalating that to NBNco if they don't know the answer to that question, it is their (NBNco's) equipment. NBNco should be the experts on NTD behaviour and capabilities.

    Excuse my question if this information is available somewhere obvious – I have done a fair bit of research online and not been able to uncover an answer.    Thanks again,    Elliott          
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