Domin yin nazarin zirga-zirgar hanyar sadarwa, ya zama dole a aika fakitin cibiyar sadarwa zuwa NTOP/NPROBE ko Kayayyakin Tsaro da Kayan Sa ido na Wuta.Akwai mafita guda biyu ga wannan matsalar:
Port Mirroring(wanda kuma aka sani da SPAN)
Taɓa hanyar sadarwa(wanda kuma aka sani da Replication Tap, Aggregation Tap, Active Tap, Copper Tap, Ethernet Tap, da sauransu)
Kafin bayyana bambance-bambance tsakanin mafita guda biyu (Port Mirror da Network Tap), yana da mahimmanci a fahimci yadda Ethernet ke aiki.A 100Mbit da sama, runduna yawanci magana a cikin cikakken duplex, ma'ana cewa mai watsa shiri zai iya aikawa (Tx) da karɓa (Rx) a lokaci guda.Wannan yana nufin cewa akan kebul na Mbit 100 da aka haɗa da runduna ɗaya, jimillar zirga-zirgar hanyar sadarwar da mai watsa shiri zai iya aikawa/ karɓa (Tx/Rx)) shine 2 × 100 Mbit = 200 Mbit.
Madubin tashar tashar jiragen ruwa shine kwafin fakiti mai aiki, wanda ke nufin cewa na'urar hanyar sadarwa tana da alhakin kwafin fakitin zuwa tashar jiragen ruwa mai madubi.
Wannan yana nufin cewa dole ne na'urar ta yi wannan aikin ta hanyar amfani da wasu albarkatu (kamar CPU), kuma duka hanyoyin zirga-zirga za a kwaikwayi su zuwa tashar jiragen ruwa guda.Kamar yadda aka ambata a baya, a cikin cikakken mahaɗin duplex, wannan yana nufin cewa
A -> B da B -> A
Jimlar A ba zai wuce saurin hanyar sadarwa ba kafin asarar fakiti ta faru.Wannan saboda a zahiri babu sarari don kwafin fakiti.Sai dai itace cewa tashar tashar tashar jiragen ruwa babbar dabara ce kamar yadda za'a iya yin ta da yawa masu sauyawa (amma ba duka ba), saboda yawancin masu sauyawa tare da raunin fakitin asarar, idan kun saka idanu akan hanyar haɗi tare da nauyin 50%, ko madubi tashar jiragen ruwa zuwa tashar jiragen ruwa mai sauri (misali madubi mai tashar jiragen ruwa 100 Mbit akan tashar tashar 1 Gbit).Ba a ma maganar cewa madubin fakiti na iya buƙatar musanya albarkatun maɓalli, wanda zai iya loda na'urar kuma ya haifar da aikin musanya ya ɓata.Lura cewa zaku iya haɗa tashar 1 zuwa tashar jiragen ruwa ɗaya, ko 1 VLAN zuwa tashar jiragen ruwa ɗaya, amma gabaɗaya ba za ku iya kwafin tashar jiragen ruwa da yawa zuwa 1. (Don haka kamar madubin fakiti) ya ɓace.
A Network TAP (Tashar Samun Tasha)cikakkiyar na'urar kayan aiki ce, wacce za ta iya kama zirga-zirga a kan hanyar sadarwa.Ana yawan amfani da shi don saka idanu kan zirga-zirga tsakanin maki biyu a cikin hanyar sadarwa.Idan cibiyar sadarwa tsakanin waɗannan maki biyu ta ƙunshi kebul na zahiri, TAP cibiyar sadarwa na iya zama hanya mafi kyau don kama zirga-zirga.
Cibiyar sadarwa ta TAP tana da aƙalla tashoshin jiragen ruwa guda uku: tashar A, tashar B, da tashar jiragen ruwa.Don sanya famfo tsakanin maki A da B, kebul na cibiyar sadarwa tsakanin maki A da batu B ana maye gurbinsu da igiyoyi guda biyu, daya yana zuwa tashar TAP's A, ɗayan yana zuwa tashar TAP's B.TAP yana wuce duk zirga-zirga tsakanin wuraren sadarwar biyu, don haka har yanzu suna da alaƙa da juna.Hakanan TAP tana kwafin zirga-zirgar ababen hawa zuwa tashar sa ido, don haka ba da damar na'urar bincike don saurare.
Ana amfani da TAPs na hanyar sadarwa ta hanyar saka idanu da na'urorin tara kamar APS.Hakanan za'a iya amfani da TAPs a aikace-aikacen tsaro saboda ba su da hankali, ba a iya gano su a hanyar sadarwar, suna iya hulɗa da cikkaken hanyoyin sadarwa na duplex da waɗanda ba a raba su ba, kuma galibi za su wuce ta hanyar zirga-zirga ko da fam ɗin ya daina aiki ko ya rasa iko. .
Kamar yadda tashoshin Taps na Network ba su karɓa amma suna watsawa kawai, maɓalli ba shi da ma'anar wanda ke zaune a bayan tashoshin jiragen ruwa.Sakamakon shine ya watsa fakitin zuwa duk tashar jiragen ruwa.Don haka, idan kun haɗa na'urar sa ido zuwa maɓalli, irin wannan na'urar za ta karɓi duk fakiti.Lura cewa wannan tsarin yana aiki idan na'urar sa ido ba ta aika kowane fakiti zuwa maɓalli ba;in ba haka ba, mai sauyawa zai ɗauka cewa fakitin da aka taɓa ba don irin wannan na'urar ba ne.Don cimma wannan, zaku iya amfani da kebul na cibiyar sadarwa wanda ba ku haɗa wayoyi na TX akansa ba, ko amfani da hanyar sadarwa mara ƙarancin IP (da DHCP-less) wacce ba ta watsa fakiti kwata-kwata.A ƙarshe lura cewa idan kuna son yin amfani da famfo don rashin asarar fakiti, to ko dai kar ku haɗa kwatance ko amfani da maɓalli inda kwatancen ya yi ƙasa da hankali (misali 100 Mbit) wanda ke haɗa tashar jiragen ruwa (misali 1 Gbit).
Don haka, Yaya ake ɗaukar Traffic Network?Taps na hanyar sadarwa vs Madubin Canja Mashigai
1- Sauƙin daidaitawa: Taɓawar hanyar sadarwa> Madubin tashar jiragen ruwa
2- Tasirin Ayyukan hanyar sadarwa: Taɓawar hanyar sadarwa < Madubin Port
3- Ɗauka, Maimaitawa, Tari, Ƙarfin Ƙarfafawa: Taɓawar hanyar sadarwa> Madubin Port
4- Latency Forwarding Traffic: Network Tap <Port Mirror
5- Ƙarfin Gabatarwar Motoci: Taɓawar hanyar sadarwa> Madubin Port
Lokacin aikawa: Maris-30-2022
