[e2e] use of MAC addresses

Ted Faber faber at ISI.EDU
Wed Apr 12 11:28:29 PDT 2006

On Wed, Apr 12, 2006 at 10:35:33PM +0500, Fahad Dogar wrote:
> By using IP addresses for layer 2 routing, I am not implying the
> replacement of ethernet switches with routers. The ethernet protocol
> remains the same but the MAC address of every station is the same as
> its IP address. So these addresses have different interpretation (and
> subsequent forwarding) in a LAN compared to routing at layer 3. So we
> can block broadcast at layer 3 (routers) and allow broadcost at layer
> 2 (ethernet switches). Again, I am asking purely from the
> functionality point of view. It may not be practical to do such a
> thing.

The process of "removing" MAC addresses is perfectly straightforward.
It's the motivation that remains obscure.

Ted Faber
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