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<div class="nine-pg" dir="auto">Yeah but the absolute rollover time is largely irrelevant.</div>
<div class="nine-pg" dir="auto">Consider 2 digit date systems, if I was manufactured in 2025, I would assume a clock year of 25 to 99 is 2025-2099, and 00 to 24 is 2100 to 2124, as it's impossible for it to be before the manufacturing/firmware date. </div>
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<div class="nine-pg" dir="auto">Same with the week count here. If the firmware on the clock was from 2016 or before, it would assume the current week number is in 2016 and not 2026.</div>
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<div dir="auto" style="border:none; padding:3.0pt 0cm 0cm 0cm"><span style="font-size:11.0pt; font-family:Calibri,Arial,Helvetica,sans-serif"><b>From:</b> Matt Perkins <matt@spectrum.net.au><br>
<b>Sent:</b> Wednesday, 8 July 2026 21:40<br>
<b>To:</b> Michael Junek; Robert Hudson; DaZZa<br>
<b>Cc:</b> AusNOG@lists.ausnog.net; Luke Thompson<br>
<b>Subject:</b> Re: [AusNOG] Telstra outage?<br>
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<div>Wasn't the rollover 2019 that puts it 2038 </div>
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<div>Matt</div>
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<div name="messageSignatureSection"><br>
<pre>S** DO NOT SEND PRIVATE OR CONFIDENTIAL MATERIAL VIA EMAIL  

/* Matt Perkins
        Direct 02 8916 8101     Spectrum Networks Ptd. Ltd.
        Office 1300 133 299     matt@spectrum.com.au
        ABN 66 090 112 913      Level 6, 350 George Street Sydney 2000

*/</pre>
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<div name="messageReplySection">On 8 Jul 2026 at 7:11 PM +1000, Michael Junek <michael@juneks.com.au>, wrote:<br>
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<p class="MsoNormal"><span style="">The discussion I was having today with some colleagues was around the week rollover of GPS – 1024 weeks = 19.6 years – exactly where the time went back to (2006).</span></p>
<p class="MsoNormal"><span style="">Unpatched NTP master perhaps?</span></p>
<p class="MsoNormal"><span style="">Will be interesting to see the RCA if one is ever published.</span></p>
<p class="MsoNormal"><span style=""> </span></p>
<p class="MsoNormal"><span style=""> </span></p>
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<p class="MsoNormal"><b><span style="font-family:"Calibri",sans-serif; color:black">From:</span></b>
<span style="font-family:"Calibri",sans-serif; color:black">AusNOG <ausnog-bounces@lists.ausnog.net> on behalf of Robert Hudson <hudrob@gmail.com><br>
<b>Date:</b> Wednesday, 8 July 2026 at 18:31<br>
<b>To:</b> DaZZa <dazzagibbs@gmail.com><br>
<b>Cc:</b> "AusNOG@lists.ausnog.net" <ausnog@lists.ausnog.net>, Luke Thompson <luke.t@tnc.works><br>
<b>Subject:</b> Re: [AusNOG] Telstra outage?</span></p>
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<p class="MsoNormal"> </p>
<p class="MsoNormal">You know what NTP can rely on?</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">DNS.</p>
<p class="MsoNormal"> </p>
<p class="MsoNormal">On Wed, 8 July 2026, 6:48<span style="font-family:"Arial",sans-serif"> </span>am DaZZa, <<a href="mailto:dazzagibbs@gmail.com">dazzagibbs@gmail.com</a>> wrote:</p>
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<p class="MsoNormal">To paraphrase an oft-repeated meme<br>
<br>
It's not NTP<br>
There's no way it's NTP<br>
It was NTP<br>
<br>
Bets on this just being a speculator to take the heat off until they<br>
find out what really went wrong?<br>
<br>
D<br>
<br>
On Wed, 8 Jul 2026 at 14:34, Luke Thompson <luke.t@tnc.works> wrote:<br>
><br>
> Telstra's CFO has pointed to time / NTP:<br>
><br>
> <a href="https://www.theguardian.com/australia-news/2026/jul/08/telstra-outage-down-network-mobile-outages-today" target="_blank">
https://www.theguardian.com/australia-news/2026/jul/08/telstra-outage-down-network-mobile-outages-today</a><br>
><br>
> Seems just over 4 hours of impact, and so far they're unsure what caused it.<br>
><br>
> Cheers,<br>
><br>
> Luke Thompson, CTO<br>
> The Network Crew P/L<br>
><br>
> E: luke.t@tnc.works<br>
> <a href="https://tnc.works" target="_blank">https://tnc.works</a><br>
><br>
> On 8 July 2026 8:43:01<span style="font-family:"Arial",sans-serif"> </span>am Luke Thompson <luke.t@tnc.works> wrote:<br>
><br>
>> & likewise, service restored at the moment.<br>
>><br>
>> Cheers,<br>
>><br>
>> Luke Thompson, CTO<br>
>> The Network Crew P/L<br>
>><br>
>> luke.t@tnc.works<br>
>> <a href="https://tnc.works" target="_blank">https://tnc.works</a><br>
>><br>
>><br>
>> On 8/7/2026 8:40 am, <a href="mailto:lauricat@fastmail.fm" target="_blank">lauricat@fastmail.fm</a> wrote:<br>
>>><br>
>>> Good morning<br>
>>><br>
>>> Back here. Regional Vic  Boost and T prepaid mobile data.<br>
>>><br>
>>> ----- Original message -----<br>
>>> From: <a href="mailto:lauricat@fastmail.fm" target="_blank">lauricat@fastmail.fm</a><br>
>>> To: <a href="mailto:ausnog@lists.ausnog.net" target="_blank">ausnog@lists.ausnog.net</a><br>
>>> Subject: [AusNOG] Telstra outage?<br>
>>> Date: Wednesday, 8 July 2026 7:44 AM<br>
>>><br>
>>> G'day.<br>
>>><br>
>>> How is T where you are?<br>
>>><br>
>>> Regional Vic Boost network no calls other than emergency can be made.<br>
>>><br>
>>> Cheers<br>
>>> Laurie<br>
>>><br>
>> _______________________________________________<br>
>> AusNOG mailing list<br>
>> <a href="mailto:AusNOG@lists.ausnog.net" target="_blank">AusNOG@lists.ausnog.net</a><br>
>> <a href="https://lists.ausnog.net/mailman/listinfo/ausnog" target="_blank">https://lists.ausnog.net/mailman/listinfo/ausnog</a><br>
><br>
><br>
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