Router Or Switch on 100Mbps LAN. Which is better.

What is so special about a router VS a switch on a LAN? I am not going to get a router but I am curious.
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  1. in the most basic terms, a router operates on layer 3 of the OSI protocol stack, a switch operates on layer 2.

    <A HREF="" target="_new">OSI protocol stack</A>

    <i>It's always the one thing you never suspected.</i>
  2. I see. What I was really asking is which is better in real world situations? Like what does a router do better than a switch that warrants the extra cost?
    BTW I just realised I put this in the wrong forum. I apologise for that. :-)
  3. a router is needed to talk between IP subnets (usually only in a commercial situation with multiple subnets OR between your LAN and your ISP's LAN). If you're just running a LAN with one subnet you don't need to route.

    Other than that, there is no performance difference.

    BTW, a typical Cable/DSL "Router" is really a router (the WAN connection that goes to the cable or DSL modem) and a switch (the 4 or 8 port LAN side) together.

    <i>It's always the one thing you never suspected.</i>
  4. I see. Interestering to know. I was always curious.
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