> On Feb 15, 2016, at 2:02 PM, Johnny Billquist <[email protected]> wrote:
> 
> On 2016-02-15 19:53, Paul Koning wrote:
>> 
>>> On Feb 15, 2016, at 1:48 PM, Hittner, David T (IS) <[email protected]> 
>>> wrote:
>>> 
>>> LAT runs fine over the (wired) Ethernet port.
>>> LAT doesn’t run over wireless Ethernet without major help from the wireless 
>>> hardware or unless it’s tunneled over IP.
>> 
>> I'm still baffled.  Why doesn't it?  802.11 has the same MAC layer service 
>> as Ethernet -- broadcast, multicast, unicast, 48 bit addresses, etc.  What 
>> specifically does LAT do that doesn't work on 802.11?  Is it a standards 
>> issue, or a case of defective implementations?
> 
> Trying to recall what I might have read/understood from somewhere, the 
> problem is that WiFi might look like ethernet, but there are some important 
> differences. One of these is that the switch/router actually *knows* the MAC 
> addresses that are connected, as in the card/controller identities. Which, 
> unlike a normal ethernet, means that if you add a device with a different mac 
> address to the interface, the router at the other end will not learn this, 
> and will not forward packets to you the way you would expect it to work on an 
> ethernet.

So you can't build a LAN bridge with a Wifi network-side interface?  Really?

        paul

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