On 10/26/2016 01:12 AM, Chris Albertson wrote:
> Does anyone here know of one verified case where a packet was dropped by a
> switch?   This just does not happen
>
> Also, if you place a second Ethernet dongle on the Pi, the dongle and the
> built-in port share a serial bus.  This is not really an issue but it you
> don't like the idea of a multiplexed bus, you can't avoid it.
>
> Switches are not like routers they work at the Ethernet packet level and
> only read the first few bits of each packet then cut it through fro input
> FIFO to output FIFO. It is done in special hardware

My documentation is still at the Naval Research Lab in Washington DC (we 
had to document all our issues and how we fixed them).  I'm sure if you 
sent a nice letter to the commander of the Lab, he might send you my 
documented problems with collisions on some of our switched networks.

It does happen.  And Layer Three switches route.

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