Ukungqubuzana kwezinhloso IP amakheli kunethiwekhi: Ukuthola futhi Ukulungiswa

On the izinkundla umbuzo mayelana inethiwekhi ngezikhathi liphuma aqukethe okufanayo ikheli le-IP e-ingxenye efanayo ngokomzimba. It kuvela ingxabano lokho okubizwa ngomlobokazi IP kunethiwekhi. Ngemva kokufunda eziningi zalezi izinkundla kuba sobala ukuthi akuwona wonke kahle le nqubo, eziningi kangaka isiqala ukunikeza ukuthi isimo sasiyini ngempela ezihlukahlukene letingemaciniso kanye conjectures ukuthi zikude iqiniso. Hhayi kudala kwelinye abaphathi yithuluzi elihle kakhulu ngamandla ziphikisana ngalo daba. Kule ndaba, kwakudingekile ukuba ngandlela-thile ukucacisa isimo ngokucindezela. Forum format - ukushintshana neketanga imibuzo nezimpendulo kubo, futhi ngani esihlokweni uzisibekele konke njalo.

Ukungqubuzana kwezinhloso IP amakheli kunethiwekhi futhi zenethiwekhi yezifiso

Into kuphela ukuthi unesibopho ukulawula ukukopishwa kwezincwadi inethiwekhi amakheli, olandelwayo Ukuguqulwa Arp amakheli. Kungaba amelwe uhlobo oluthile konke lokhu ukuxhumana. Lapho ikheli elisha IP, engeyokuqala A ithumela broakdast isicelo esikhethekile zokuzithandela ifomethi Arp. Kubalulekile ukuqonda ukuthi wonke le nqubo akuphazamisi Ikheli DNS iseva. Cela kuwuhlobo ekhethekile yolwazi ukudluliswa, lapho emkhakheni SPA TRA futhi aqukethe amakheli abo. Uma lesi sicelo iye waphendula, futhi kuba khona ukungqubuzana kwezinhloso IP amakheli kunethiwekhi. Uma kungekho mpendulo, bese ikheli kanye kabili noma, futhi uhlukile inethiwekhi. Interesting okuningi isimo lapho impendulo iza, ukuthi esimweni esinjalo kukhona inethiwekhi?

I-node ithumela isicelo inethiwekhi, ethola isimo isayithi okuthiwa umhlaseli, futhi lowo ophendulile kusicelo, ethola isimo isayithi ehlaselwa. Kwenzekani Ngamunye kubo e inqubo ukuthola ingxabano?

Cabanga kweyunithi ehlasela. Uma yena wayengazange setha IP ashukumisayo ikheli, kanye nezilungiselelo zenziwa ngesandla, emva impendulo reset ikheli Ukuqalisa, okungukuthi, engeyokuqala akakwazi nika ikheli ezingqubuzanayo esibonakalayo. Record okuyokwenziwa ifayela log, futhi iphutha ibonakala esikrinini. Uma kulungiselelwa ikheli wenziwa nge-DHCP, ikhasimende ke Uzoqinisekiswa phezu ukungqubuzana ezibhekelela, eyamukelwa yibo kusukela DHCP-server iphakheji ekhethekile DHCPOFFER. Kuleso simo, uma kuvela ukuthi ikheli isipele DHCPOFFER ke emva iklayenti ithola ephendula isicelo izothunyelwa ku iphakheji ekhethekile DHCPDECLINE DHCP-server. Kuye ukuqaliswa service leli kheli izomakwa onesici, khona-ke kumelwe asuswe uhlu lwamakheli etholakalayo. Ngemva kwalokho, ikhasimende zizokwenziwa imizamo emisha ukuze uthole ikheli lasesizindeni se-leseva ngokuthumela amaphakethe DHCPDISCOVER.

Manje ungabona ukungqubuzana ikheli le-IP ohlangothini inethiwekhi isayithi ehlaselwa. Bazimisele ingxabano silula, uma emkhakheni SPA, bese engeyokuqala ukubuzisisa ingxabano. Leli qiniso bubhaliwe log umcimbi, futhi umsebenzisi uthola umyalezo wephutha. Ngesikhathi esifanayo ne ehlaselwa ikheli aphethe ip singasuki kinid, sesiye imbangela yezimpi. Ngemva kokuthola ingxabano iqala ukusebenza ezosetshenziswa ekuxazululeni ingxabano ekhona. Ingqikithi inkinga kulokhu kanje: ngemva kokumukisa nombuzo uhanjiswe isicelo zokuzithandela zonke izingxenye ikhasimende lapho esibona siwubonisa ethize. Umphumela ukuthola kukhulumisana serial ozimele kathathu.

Kubalulekile ukuqonda ukuthi izicelo zokuxhumana futhi izimpendulo kuphela ukuqalisa ikheli. Uma, ukwenza isibonelo, isayithi lulungiswe ukubhekana ukungqubuzana phambi uxhumano yayo kunethiwekhi, ngemva ukufakwa yayo ngeke kwenzeke exchange yokuzithandela izicelo idatha. Kule ndaba, amabili ISIZINDA we inethiwekhi izosetshenziswa ingxabano ikheli, kodwa isicelo esisha ngasinye Arp kokubili ISIZINDA ezokwenzela amaphutha amakheli ingxabano.