arp who-has? tell?

[Mogens Kjaer]

John Summerfield wrote:
..
> ICMP doesn't depend on knowing how IP traffic is transported.

If I ping (send ICMP echo request) a non-existing, local IP
address, the first thing my machine does is sending an
arp who-has on the wire. No ICMP package is sent before
my machine receives the is-at answer.

Mogens

-- 
Mogens Kjaer, Carlsberg A/S, Computer Department
Gamle Carlsberg Vej 10, DK-2500 Valby, Denmark
Phone: +45 33 27 53 25, Fax: +45 33 27 47 08
Email: mk at crc.dk Homepage: http://www.crc.dk