Video: NAT yog dab tsi hauv Cisco router?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
NAT (Network Address Translation) yog ib txoj hauv kev uas tso cai rau kev txhais lus (hloov kho) ntawm IP chaw nyob thaum pob ntawv / datagrams hla lub network. Cov kauj ruam hauv qab no piav qhia qhov yooj yim Cisco router NAT Overloadconfiguration.
Ntawm no, Cisco NAT yog dab tsi?
Nws tso cai rau cov IP ntiag tug uas siv IPaddresses tsis tau sau npe los txuas rau Is Taws Nem. NAT ua haujlwm ntawm arouter, feem ntau txuas ob lub network ua ke, thiab txhais cov chaw ntiag tug (tsis yog lub ntiaj teb tshwj xeeb) chaw nyob hauv lub network sab hauv mus rau qhov chaw nyob raug cai, ua ntej pob ntawv xa mus rau lwm lub network.
Ib yam li ntawd, NAT yog dab tsi hauv cov ntsiab lus yooj yim? NAT . Sawv rau "Network Address Translation." NAT txhais cov IP chaw nyob ntawm cov khoos phis tawj hauv lub network hauv zos rau ib tus IP chaw nyob. Qhov chaw nyob no feem ntau siv los ntawm therouter uas txuas cov khoos phis tawj mus rau Is Taws Nem. Cov NAT lub rooj kuj txhais qhov chaw nyob thoob ntiaj teb pom los ntawm cov khoos phis tawj sab nraud lub network.
Tom qab ntawd, ib tus tuaj yeem nug, NAT router yog dab tsi?
Kev Txhais Lus Network ( NAT ) yog lub peev xwm ntawm a router txhais ib tug pej xeem IP chaw nyob rau ib tug private IPaddress thiab vice versa. Nws ntxiv kev ruaj ntseg rau lub network los ntawm kev khaws tus kheej IP chaw nyob zais los ntawm lub ntiaj teb sab nraud. Qee zaum ua rau lub firewall built-in ntawm lub router , koj yuav xav tau toopen ports.
Vim li cas peb thiaj siv NAT?
Lub Hom Phiaj ntawm NAT Enables ib lub tuam txhab rau siv Ntau lub iPaddresses sab hauv. Txij li lawv nyob siv sab hauv nkaus xwb, tsis muaj kev cuam tshuam nrog IP chaw nyob siv los ntawm lwm lub tuam txhab thiab cov koom haum. Tso cai rau lub tuam txhab los muab ntau qhov kev sib txuas ntawmISDN rau hauv ib qho kev sib txuas hauv Is Taws Nem.
Pom zoo:
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