Hi all, This is how I would look at the difference: A switch is a connection-oriented router; and, a router is a connection-less switch. : -) hope it doesn't sound too complicated! rgds, shivendra Joe Touch wrote: > 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
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