Hauv kev lag luam network ib puag ncig, Cisco routers ua haujlwm tseem ceeb, thiab lawv cov kev teeb tsa thiab kev siv ncaj qha cuam tshuam rau kev ruaj ntseg network thiab kev ua haujlwm zoo. Mastering cov tswv yim siv tswv yim tuaj yeem txhim kho kev tswj hwm kev sib txuas lus zoo, txo qis kev ua haujlwm, thiab txhim kho kev ua tau zoo tag nrho.
Ib qho tseem ceeb yog kev teeb tsa yooj yim, tshwj xeeb tshaj yog IP chaw nyob npaj thiab tsim subnet. Ib qhov dej zoo -cov qauv network txo qhov kev tsis sib haum xeeb thiab txhim kho cov ntaub ntawv xa mus kom zoo. Thaum configuring routing tables, xaiv qhov zoo li qub los yog dynamic routing raws li qhov tseeb network topology pab xyuas kom pom thiab ruaj khov cov ntaub ntawv kis tau tus mob.
Lwm cov txheej txheem tseem ceeb yog siv tau zoo ntawm Access Control Lists (ACLs). ACLs pab txwv tsis pub nkag mus, tswj cov ntaub ntawv ntws, thiab tswj cov neeg siv kev tso cai, yog li tiv thaiv cov peev txheej hauv network. Hauv kev xyaum, cov kev cai yuav tsum tau teeb tsa yooj yim raws li kev lag luam xav tau kom tsis txhob muaj qhov nyuaj hauv kev tswj hwm.
Rau kev ua tau zoo ntawm kev ua tau zoo, ua kom Zoo Kev Pabcuam (QoS) tso cai ua ntej ntawm ntau hom kev sib txuas hauv network. Piv txwv li, lub suab sib txuas lus thiab kev sib tham hauv video tuaj yeem muab qhov tseem ceeb tshaj plaws los tiv thaiv kev lag luam lossis kev ncua sij hawm thaum muaj kev sib txuas hauv network, ua kom muaj kev ua haujlwm zoo ntawm cov kev pabcuam tseem ceeb.
Kev saib xyuas cov khoom siv li niaj zaus kuj tseem ceeb heev. Los ntawm Cisco router tswj interfaces lossis cov lus txib- cov cuab yeej kab, cov thawj coj tuaj yeem tshawb xyuas CPU siv, kev siv bandwidth, thiab cov xwm txheej cuam tshuam hauv lub sijhawm, tso cai rau kev tshawb pom ntxov ntawm cov teeb meem tshwm sim thiab txo qis kev ua haujlwm hauv network.
Rau kev tswj cov chaw taws teeb, nws raug nquahu kom siv cov txheej txheem ruaj ntseg xws li SSH tsis yog Telnet ib txwm siv los txhim kho kev nkag mus rau kev ruaj ntseg. Tsis tas li ntawd, tsis tu ncua thaub qab cov ntaub ntawv teeb tsa ua kom rov qab tau sai thaum lub cuab yeej tsis ua haujlwm, txo qis kev pab cuam downtime.
