Re: What is the differents between Switch and Router?

[Joe Touch]

Harald Alvestrand wrote:
> 
> At 09:03 15/03/2001 +0800, huangjianbo wrote:
> >I am working on a paper on router, but one problem blocked my process.  That
> >is what's the differents between a switch and a router for the view of
> >theoritical.
> >
> >As to the 3 Layer switch and router, both of them work as a distributor
> >based on the IP address.  Just some small differents usage and implemention.
> >
> >
> >Of coourse, we disscuss this problem on the switch and router on the same
> >layer.
> 
> A router decrements the IP TTL field.

It should also not propagate broadcast IP packets (subnet or all 1's).
(Any other hard requirements?)

Joe