[AusNOG] EFPOST terminals down

Nathan Brookfield Nathan.Brookfield at simtronic.com.au
Mon Jun 22 15:08:26 EST 2020

It’s my experience that almost all of them also have Ethernet and just failover to 3G, with most banks terminals anyway.

Kindest Regards,

Nathan Brookfield (VK2NAB)
Simtronic Technologies Pty Ltd

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On 22 Jun 2020, at 13:15, Jason Xiros <jason.xiros at gmail.com> wrote:

I'm not sure the EFTPOS network is as robust as people believe. There was a time perhaps seven or eight years ago when 50% (or more) of all transactions in Australia went through a single data centre on the Pacific Hwy in North Sydney.

Kind regards,


Date: Mon, 22 Jun 2020 09:06:36 +0930
From: John Edwards <jaedwards at gmail.com>
To: Chris Hurley <chris at dragonrail.com.au>
Cc: "<ausnog at lists.ausnog.net>" <ausnog at lists.ausnog.net>
Subject: Re: [AusNOG] EFPOST terminals down
   <CAOSsYkr=19BQ+qNjSaDuVUVDuctOyd0qg3z5PLhvdHdCLvOy0A at mail.gmail.com>
Content-Type: text/plain; charset="utf-8"

Tips are low priority areas for mobile coverage. They are deliberately
built where no-one else is, such that they would account for the majority
of an expensive mobile sector.

I imagine that most EFTPOS terminals are still 3G. If 3G failed, most of us
with a smartphone less than 5 years old wouldn't notice.

So if there's a 3G network failure:

 - Terminals would usually migrate to another cell, there are probably
 not multiple cells covering a tip
 - There is still LTE coverage there, so no customers are screaming for
 the failure to be fixed
 - The network is aging so failure is common
 - Parts are hard to get or expensive because its old
 - Social Distancing is mutually exclusive to how teams of mobile network
 riggers normally operate, so there's a backlog of faults
 - Coverage of a tip with a handful of regular customers is low priority
 for a fix, no manager is escalating this over other faults
 - Some WFH people nearby are smashing the local 3G network with their
 old USB 3G adapters that are now on an unlimited download plan

In summary, it's probably not a cyberattack.


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