Ndiqinisekile ukuba uyazi ngomzabalazo phakathi kweNetwork Tap (Test Access Point) kunye ne-switch port analyzer (SPAN port) ngeenjongo zokubeka esweni iNetwork. Zombini zinamandla okulinganisa ithrafikhi kwinethiwekhi kwaye ziyithumele kwizixhobo zokhuseleko ezingaphandle kwebhendi ezifana neenkqubo zokufumanisa ukungena, ii-network loggers, okanye ii-network analyzers. Ii-span ports zilungiselelwe kwiiswitshi ze-network enterprise ezinomsebenzi we-port mirroring. Yi-port ezinikeleyo kwi-managed switch ethatha ikopi yesibuko yethrafikhi yenethiwekhi ukusuka kwi-switch ukuya kuyithumela kwizixhobo zokhuseleko. I-TAP, kwelinye icala, sisixhobo esisasaza ithrafikhi yenethiwekhi ukusuka kwinethiwekhi ukuya kwisixhobo sokhuseleko. I-TAP ifumana ithrafikhi yenethiwekhi kuzo zombini iindlela ngexesha langempela nakwitshaneli eyahlukileyo.
Ezi zezona zibonelelo zintlanu ziphambili ze-TAP nge-SPAN port:
1. I-TAP ibamba ipakethi nganye!
I-Span Isusa iipakethi ezonakeleyo kunye neepakethi ezincinci kunobukhulu obuncinci. Ke ngoko, izixhobo zokhuseleko azinakufumana zonke iitrafikhi kuba ii-span ports zinika ithrafikhi yenethiwekhi indawo ephambili. Ukongeza, i-RX kunye ne-TX traffic zihlanganiswe kwi-port enye, ngoko ke iipakethi zinokwahlulwa. I-TAP ibamba zonke iitrafikhi ezimacala mabini kwi-port nganye ekujoliswe kuyo, kuquka neempazamo ze-port.
2. Isisombululo esingasebenziyo ngokupheleleyo, akukho mfuneko yoqwalaselo lwe-IP okanye umbane
I-Passive TAP isetyenziswa kakhulu kwiinethiwekhi ze-fiber optic. Kwi-passive TAP, ifumana ithrafikhi evela kuzo zombini iindlela zenethiwekhi kwaye yahlulahlula ukukhanya okungenayo ukuze i-100% yethrafikhi ibonakale kwisixhobo sokujonga. I-Passive TAP ayifuni naluphi na unikezelo lwamandla. Ngenxa yoko, yongeza umaleko wokuphindaphindeka, ayifuni ulondolozo oluncinci, kwaye inciphisa iindleko zizonke. Ukuba uceba ukujonga ithrafikhi ye-copper Ethernet, kufuneka usebenzise i-active TAP. I-Active TAP ifuna umbane, kodwa i-Active TAP yeNiagra ibandakanya itekhnoloji ye-bypass ekhuselekileyo esusa umngcipheko wokuphazamiseka kwenkonzo xa umbane ucinyiwe.
3. Akukho lahleko yephakheji
I-Network TAP ijonga zombini iziphelo zekhonkco ukuze ibonelele nge-100% ithrafikhi yenethiwekhi emacala omabini. I-TAP ayilahli naziphi na iipakethi, nokuba zingakanani na i-bandwidth yazo.
4. Ifanelekile ukusetyenziswa kwenethiwekhi ephakathi ukuya kwephezulu
Izibuko le-SPAN alinakusebenza kwiikhonkco zenethiwekhi ezisetyenziswa kakhulu ngaphandle kokulahla iipakethi. Ke ngoko, i-network TAP iyafuneka kwezi meko. Ukuba i-traffic engaphezulu iphuma kwi-SPAN kunaleyo ifunyanwayo, izibuko le-SPAN liyaba lininzi kwaye linyanzeleke ukuba lilahle iipakethi. Ukuze libambe i-10Gb yethrafikhi yeendlela ezimbini, izibuko le-SPAN lifuna i-20Gb yomthamo, kwaye i-10Gb Network TAP iya kukwazi ukubamba yonke i-10Gb yomthamo.
5. I-TAP Ivumela zonke iitrafikhi ukuba zidlule, kuquka neethegi ze-VLAN
Iiports ze-span azivumeli iilebhile ze-VLAN ukuba zidlule, nto leyo eyenza kube nzima ukubona iingxaki ze-VLAN kwaye kwenze iingxaki ezingezizo. I-TAP iyaziphepha ezo ngxaki ngokuvumela zonke iitrafikhi zidlule.
Ixesha lokuposa: Julayi-18-2022
