Netzwerktechnik http://kohnlehome.de/netz/Sniffer_ping.pdf
ping
Rechner 1 Rechner2
3
ICMP IP
IP:
ICMP ECHO-REQUEST
--->
<--- ICMP ECHO-REPLY
IP:
ICMP IP
3
2
Ethernet MAC: MAC: Ethernet
2
1 1
ICMP ECHO-REQUEST
Ethernet-Frame
Ethernet-Header IP-Paket
Ziel-MAC Quell-MAC Typ
IP-Header ICMP
... Pro to
col .. Quell-IP Ziel-IP Typ ... Data
ICMP ECHO-REPLY
Ethernet-Frame
Ethernet-Header IP-Paket
Ziel-MAC Quell-MAC Typ
IP-Header ICMP
... Pro to
col .. Quell-IP Ziel-IP Typ ... Data
Franz Kohnle Seite 1 von 1 03.03.2010