[Techtalk] ARP traffic

[Jeff Dike]

subba9 at home.com said:
> When the address is not found, the local gateway sends probes to the
> neighboring gateways to resolve the address. 

I think that's only for gateways that directly connect two LANS.

> Every machine upon boot
> up sends a ARP broadcast to let everyone on the segment know of it's
> presence. When machines outside the network want to find you, they
> send an ARP request. 

They send a DNS request to your name server.  arp only becomes relevant once
the traffic has hit your local net.

				Jeff