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: [email protected] Homepage: http://www.crc.dk