[UCLA-LUG] hubs and routes

[James Lee]

Hi,

I would like to know how exactly routers are different from hubs in
practical point of view.

Here's what I know about them.

- hubs operate on bits therefore they are physical-layer (layer-1)
devices
- in contrast, routes run on packets specifically on layer 3 therefore
layer-3 devices
- routers use store-and-forward mechanism
- hubs use cut-through switching
- routers route their packets according to ip addresses
- do hubs use LAN addresses?

For example, if I were to have dsl connection at home with multiple
static ips... I know that I can use a hub to get connected.  And
probably it's ok to use routers as well, correct?

What if I am behind DHCP server (dynamic ips)?  Of course, all my
machines would have to be clients in this case.  Can I use a hub,
router, or both to connected?  And why?

What if I am using cable modem?  ...

Thanks!
-James