ICMP -, , ICMP- , . ICMP .
ICMP -, , , IP-, (. 4.3.).
.4.3. Wireshark
1. IP- ?
2. IP-?
3. IP-? IP-? , .
4. ? , .
IP- - (), Source. ICMP , , IP- . ICMP- ICMP -.
5. IP- ICMP-, ?
6. ? ?
7. , IP-? .
. ICMP- (TTL-exceeded replies), .
8. ICMP-.
9. ICMP- (TTL-exceeded replies), ? ?
ICMP- , , 2000. icmp, . . .
10. ?
11. IP-. , IP- ? , ? IP-?
: (, 3 ), ICMP. IP-, ICMP-. , .
12. . , ? ? .
13. ?
14. ICMP- -, , , 3500.
15. ?
16. IP- ?
5
Ethereal Lab: ICMP
ICMP : , , ICMP Ping Tracerote.