Hom kev nco twg yog qhov tsim nyog rau lub router rau khau raj?

2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47

Feem ntau Cisco routers (thiab keyboards) muaj plaub hom kev nco : Nyeem-Tsuas Nco (ROM): ROM khaws cov router cov bootstrap startup program, operating system software, thiab power-on diagnostic test programs (POST). Flash Nco : Feem ntau hu ua "flash", cov duab IOS nyob ntawm no.

Ntawm no, 4 hom kev nco pom hauv router yog dab tsi?

A router muaj kev nkag mus rau plaub hom kev nco : RAM , ROM, NVRAM, thiab Flash. RAM yog siv los khaws ntau daim ntawv thov thiab cov txheej txheem suav nrog: Cisco IOS - Lub IOS tau theej rau hauv RAM thaum lub sij hawm bootup.

Kuj Paub, dab tsi yog txheej txheem khau raj ntawm Cisco router? Cisco CCNA - Router Boot-up txheej txheem. Lub Hwj Chim-On Tus kheej Test (POST) yog ib qho txheej txheem uas tshwm sim nyob rau hauv yuav luag txhua lub computer thaum bootup. Cov txheej txheem no yog siv los kuaj lub router hardware. Thaum lub router yog powered on, software ntawm ROM nti ua kev ntsuam xyuas ntawm ob peb kho vajtse cov khoom , xws li CPU, RAM thiab NVRAM.

Ib yam li ntawd, yuav ua li cas routers boot li?

Cisco Router Booting txheej txheem piav qhia nrog piv txwv

1. POST. POST (Power on self test) yog cov cuab yeej siv tshuaj ntsuam xyuas qis uas ua ntau yam kev sim ntawm cov khoom siv kho vajtse.
2. Bootstrap. Bootstrap yog qhov khoom siv thib ob hauv booting sequence.
3. ROMMON. ROMMON yog ib qho kev pabcuam IOS portable uas tso cai rau peb ua ntau yam kev kuaj mob.
4. Mini-IOS.
5. Configuration register nqi.

Router memory yog dab tsi?

Txawv hom ntawm Router Nco . Nco ntawm ib qho khoom siv yog siv rau kev khaws cia thiab khaws cia cov ntaub ntawv pib thiab cov ntaub ntawv cache thaum muaj kev sib pauv hauv cov ntaub ntawv ua haujlwm. Cisco routers kuj muaj ntau hom kev sib txuas nrog nco uas saib xyuas kev cia thiab caching.