From: "John Mellor" <john.mellor@xxxxxxxxx>
Date: Monday, 2 August 2021 at 15:04:42
To: "users@xxxxxxxxxxxxxxxxxxxxxxx" <users@xxxxxxxxxxxxxxxxxxxxxxx>
Subject: Re: scanner no longer detected?
On 2021-08-01 7:08 p.m., Cameron Simpson wrote:
<snip>
Huh? Am I misinterpreting? The MAC is supposed to be world-wide unique
to each interface. There are a couple of situations where this can
accidentally happen, like VMware using the same poorly-chosen random MAC
for two VMs that breaks everything on that vSwitch, but that's the only
one that I've ever encountered. Having the same MAC on two interfaces is
not legal, so you should expect to break something on any router or
machine that I can think of. If it works, then that router is broken.
Long ago, this as 💯 true.
Then, some mobo manufacturers add the “option” to migrate your MAC…
And not so long ago, mobile phone producers had a brain-fart, and named that “privacy-mode”, randomizing MAC-addresses.
John Mellor
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