ICMP Ping
, Ping. , (, ) , . - IP- ; , Ping - . , ICMP-.
:
1. ( > ). cmd. C:, cd\.
2. Wireshark .
3.
windows\system32\ping n 10 hostname
hostname . , www.ust.hk,
-n 10 , 10 ping -.
4. Ping , Wireshark.
5. , .5.4. , 10 - 10 -. RTT, 350.
.5.4. ping
.5.5. Wireshark , icmp: 20 10 10 . , . , IP- 01, ICMP. , IP- ICMP-.
.5.5. Wireshark ICMP -
, 8 0 . , ICMP- , .
1. IP- ? IP- -?
2. ICMP- ?
3. -, . ICMP-? ICMP-? ( ) , ?
4. -. ICMP-? ICMP-? ( ) , ?
5.2.2. ICMP Traceroute
, Traceroute. ICMP- - TTL=1, TTL=2 .. , , TTL 1. TTL=1, ICMP- . tracert.
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:
1. .
2. Wireshark .
3.
c:\windows\system32\tracert hostname
hostname . hostname :
www.inria.fr ();
www.desarrollosocial.gov.ar ();
www.russianmalta.com ()
www.rususa.com ()
4. Traceroute , Wireshark.
Command Prompt , .5.6. , TTL . Traceroute RTT , IP- , ICMP- .
.5.6. tracert
.5.7 Wireshark ICMP- . , , ICMP- Ping.
.5.7. Wireshark ICMP -
5. IP- ? IP- -?
6. ICMP- - . - (ping)?
7. ICMP- ( ). , ICMP- -? ?
8. ICMP-. ICMP- ? ?
9. tracert: , , ? ?
