> The hot-swap proposal doesn't quite work, either: for real hot-swap
> failover, you'd want to change the new card to use the MAC address of
> the failed card. (or send a gratuitous ARP, plus enough broadcasts to
> persuade any switches to update their topology).

Oh, this had certainly occurred to me, but from the point of view of
*interface management*, this is a media-layer-specific implementation
detail, and nothing I proposed in the discussion of detachable
interfaces precludes this.

> You want to visit Stanford, I can show you desks with PCMCIA cards
> still connected to Cat-5, left there by people hwo have another card
> at home or in a different office.  

Weird, i've never seen people do that...  

				- Bill