Ndine chokwadi chekuti munoziva nezvematambudziko aripo pakati peNetwork Tap (Test Access Point) neswitch port analyzer (SPAN port) yekutarisira Network. Dzese dzine kugona kuratidza traffic iri panetwork nekutumira kumaturusi ekuchengetedza ari kunze kweband akadai semasystem ekuona kupinda kwedata, network loggers, kana network analyzers. Matura eSpan anogadzirwa panetwork enterprise switches ane port mirroring function. Iport yakatsaurirwa pamanaged switch inotora mirror copy ye network traffic kubva paswitch kuenda kumaturusi ekuchengetedza. TAP, kune rumwe rutivi, mudziyo unoparadzira network traffic kubva kune network kuenda kune security tool. TAP inogamuchira network traffic kumativi ese ari maviri munguva chaiyo uye pane imwe chiteshi chakasiyana.
Aya ndiwo mabhenefiti mashanu makuru eTAP kuburikidza neSPAN port:
1. TAP inobata paketi yega yega!
Span Inobvisa mapaketi nemapaketi akakanganisika madiki pane saizi shoma. Saka, zvishandiso zvekuchengetedza hazvigone kugamuchira traffic yese nekuti ma span ports anopa mukana wepamusoro kune network traffic. Pamusoro pezvo, RX neTX traffic zvinounganidzwa pachiteshi chimwe chete, saka mapaketi ane mukana wekudonhedzwa. TAP inobata traffic yese yenzira mbiri pachiteshi chimwe nechimwe chakanangana nacho, kusanganisira zvikanganiso zvechiteshi.
2. Mhinduro isingashande zvachose, hapana IP configuration kana magetsi anodiwa
Passive TAP inonyanya kushandiswa muma network e fiber optic. Mu passive TAP, inogamuchira traffic kubva kumativi ese e network uye inoparadzanisa chiedza chinouya kuitira kuti 100% yetraffic ionekwe pachishandiso chekutarisa. Passive TAP haidi chero magetsi. Nekuda kweizvozvo, inowedzera dhayamita yekudzokorodza, haidi kugadziriswa kushoma, uye inoderedza mari yese. Kana uchironga kutarisa traffic ye copper Ethernet, unofanirwa kushandisa active TAP. Active TAP inoda magetsi, asi Active TAP yeNiagra inosanganisira tekinoroji ye bypass isingakuvadzi iyo inobvisa njodzi yekukanganiswa kwebasa kana magetsi akadzimwa.
3. Kurasikirwa kwepaketi hakuna
Network TAP inotarisa magumo ese elink kuti ipe 100% kuona kwetraffic ye network yenzira mbiri. TAP hairasi mapaketi, zvisinei nebandwidth yawo.
4. Yakakodzera kushandiswa kwenetiweki yepakati nepakati kusvika yepamusoro
Chiteshi cheSPAN hachigone kugadzirisa network link dzinoshandiswa zvakanyanya pasina kudonhedza mapaketi. Saka, network TAP inodiwa mune izvi zviitiko. Kana traffic yakawanda ichibuda muSPAN kupfuura iri kugamuchirwa, SPAN port inova yakawandisa uye inomanikidzwa kurasa mapaketi. Kuti itore traffic ye10Gb yenzira mbiri, SPAN port inoda 20Gb yesimba, uye 10Gb Network TAP ichakwanisa kubata 10Gb yese yesimba.
5. TAP Inobvumira vanhu vese kuti vapfuure, kusanganisira maVLAN tag
Maports eSpan haawanzo bvumidza maVLAN labels kuti apfuure, izvo zvinoita kuti zviome kuona matambudziko eVLAN uye kugadzira matambudziko enhema. TAP inodzivirira matambudziko akadaro nekubvumira traffic yese kupfuura.
Nguva yekutumira: Chikunguru-18-2022
