Yog li ntawd, hauv lub ncauj lus ntawm TCP / IP-raws li txheej txheej network, ICMP tau qhia tias yog txheej 3 raws tu qauv ICMP yog qhov paub zoo tshaj plaws raws li cov lus siv rau cov ping hais kom ua ping hais kom ua Tus ping hais kom xa ib datagram ib ob thiab luam ib kab ntawm cov zis rau txhua qhov lus teb tau txais. Cov lus txib ping suav cov sijhawm ncig mus ncig thiab pob ntawv poob cov ntaub ntawv, thiab qhia cov ntsiab lus luv luv ntawm kev ua tiav. Cov lus txib ping ua tiav thaum lub sijhawm ua haujlwm lossis thaum tau txais SIGINT teeb liab. https://www.ibm.com › ssw_aix_71 › p_commands › ping
ping Command - IBM
. ping hais kom ua xa ICMP ncha thov mus rau lub hom phiaj host. Lub hom phiaj tus tswv teb nrog ncha teb.
Puas ICMP khiav hauv txheej txheej network?
ICMP pob ntawv tuav cov ntaub ntawv ntawm ib pob ntawv IP thaum thauj hauv Is Taws Nem. Txawm hais tias ICMP cov lus tau nqa los ntawm IP, ICMP suav tias yog tib theem li IP, theem network txheej.
OSI qib twg yog ICMP?
ICMP, siv qhov kev txhawb nqa yooj yim ntawm IP zoo li nws yog cov txheej txheem qib siab dua, txawm li cas los xij, ICMP yog qhov tseem ceeb ntawm IP, thiab yuav tsum tau ua los ntawm txhua tus IP module. Yog li, ICMP ua haujlwm ntawm Txheej 3 (Network Layer) ntawm OSI qauv.
Puas ICMP yog Txheej 2 raws tu qauv?
Kuv pom tias cov phau ntawv no tau hais txog ARP thiab ICMP raws li txheej 2 raws tu qauv rau OSI qauv (piv txwv li cov ntaub ntawv txuas txheej) thiab txheej 2 rau TCP / IP qauv ib yam nkaus (i.e. Internet txheej).
ICMP yog dab tsi thiab nws ua haujlwm li cas?
Internet Control Message Protocol (ICMP)
ICMP yog ib qho kev sib txuas hauv network. ICMP cov lus sib txuas lus cov ntaub ntawv hais txog cov teeb meem kev sib txuas hauv network rov qab mus rau qhov chaw ntawm kev sib kis tsis sib haum Nws xa cov lus tswj xws li lo lus uas peb tsis tuaj yeem ncav cuag, qhov chaw tsis raug, thiab qhov chaw quench.
