Nvram Cisco yog dab tsi?

Video: Nvram Cisco yog dab tsi?

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

RAM yog luv luv rau Random-Access Memory. RAM ntawm a Cisco router khaws cov ntaub ntawv ua haujlwm xws li routing tables thiab cov ntaub ntawv teeb tsa ua haujlwm. NVRAM yog tsis-volatile RAM. Los ntawm "non-volatile", peb txhais tau tias cov ntsiab lus ntawm NVRAM tsis ploj thaum lub router yog powered down los yog reloaded.

Ua li no, Nvram siv rau dab tsi?

Luv luv rau non-volatile random-access nco, NVRAM yog lub cim xeeb uas txuag nws cov ntaub ntawv khaws cia txawm tias lub hwj chim qhib lossis kaw. Niaj hnub no, piv txwv zoo ntawm NVRAM yog flash nco zoo li ntawd siv hauv ib tug dhia tsav.

Ib sab saum toj, ROM yog dab tsi hauv Cisco router? ROM - ROM feem ntau yog lub cim xeeb ntawm ib lub nti lossis ntau lub chips. Nws muaj nyob rau ntawm a router cov processor board. Nws yog nyeem nkaus xwb, uas txhais tau hais tias cov ntaub ntawv tsis tuaj yeem sau rau nws. Thawj software uas khiav ntawm a Cisco router yog hu ua bootstrap software thiab feem ntau yog khaws cia rau hauv ROM.

Hauv qhov no, dab tsi hais kom ua qhia cov ntsiab lus ntawm Nvram?

Rau tso saib cov ntsiab lus ntawm NVRAM (yog tias tam sim no thiab siv tau) lossis kom pom cov ntaub ntawv teeb tsa taw qhia los ntawm CONFIG_FILE ib puag ncig hloov pauv, siv qhov qhia pib-config EXEC lus txib.

Dab tsi yog router flash nco?

Flash nco yog Electronically Erasable thiab Re-Programmable nco nti. Cov Flash nco muaj cov duab ua haujlwm tag nrho (IOS, Internetwork Operating System). Qhov no tso cai rau koj hloov kho OS yam tsis tau tshem tawm cov chips. Flash nco khaws cov ntsiab lus thaum router yog powered down los yog restarted.

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