People seem to be missing the point. The idea behind the ARP is to allow
unicast(L3 to L2 mapping) communication, otherwise you would be running a
broadcast LAN. You could run a LAN using all broadcast traffic, and this
has been done ;) , but of course this would bring the end nodes to their CPU
knees. Hence the implmentation of the ARP protocol.
>-----Original Message-----
>From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
>Cisco man
>Sent: Monday, July 03, 2000 1:22 AM
>To: [EMAIL PROTECTED]
>Subject: ARP Broadcast
>
>
>Hi All,
>
>Could any one explain why ARP needs to broadcast when looking for the MAC
>address. Why not send a unicast using the given IP address.
>
>Regards to all
>
>Vapian
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