Hi Shayne,

On 28/02/17 11:23, Shayne Ghere wrote:
> Last count, we have 51 Apple TV's, but they aren't on the same network we're
> having problems with.  The TV's are either hard-wired or registered on a
> Wireless network that's not secure and doesn't require any
> authentication...just registration.

Just to confirm, they're on a different subnet too?

So the MAC addresses that is stealing the IP address, what sort of
device are they? Even just the 3 octet prefix would help.

> I'm not a MAC guys at all, so do all MACs have this feature?  Can a MAC
> laptop that is on our secure network do the same thing the Apple TV does and
> create this problem?   It's happening on Iphones/Apple Laptops about 98% of
> the time, but only on the secured network.

A Mac (let's keep MAC for the ethernet concept) can perform this
function, the list according to Wikipedia is:

Apple AirPort Express with firmware version 7.4.1 or 7.4.2[3]
Apple AirPort Extreme with firmware version 7.4.1 or 7.4.2[3]
Apple AirPort Time Capsule[3]
Apple TV (all generations)
Computers running Mac OS X Snow Leopard act as a Bonjour sleep proxy
server when Internet sharing is enabled

Thanks,

-- 
James Andrewartha
Network & Projects Engineer
Christ Church Grammar School
Claremont, Western Australia
Ph. (08) 9442 1757
Mob. 0424 160 877

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