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. WIKIMERIONET
Merion Mertics , ,

CRM

ICMP - ?

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3

ICMP, Internet Control Message Protocol OSI, . , ICMP . , ICMP " .


ICMP?

ICMP . , , - ICMP .

, , , ICMP ping traceroute. " - ICMP " - ICMP , .


". " , , . . , ". : 7 , 7 . 6 , 6 ". , , ". ICMP.


ping. , , " ?"

, , , .

ping :

  1. ICMP echo request. , ?"
  2. ICMP echo reply. , , , !"
 ICMP -

ICMP

, ICMP . (denial-of-service, DoS). - ", (ICMP) - . .

, Ping of Death. , : . , ". .


, , ICMP, ping , , ICMP.

Keep calm and Merion!