Mylinking™ Network Bypass TAPs tare da fasahar bugun zuciya suna ba da tsaro na cibiyar sadarwa na ainihin lokaci ba tare da sadaukar da amincin cibiyar sadarwa ko samuwa ba. Mylinking™ Network Bypass TAPs tare da 10/40/100G Bypass module suna ba da babban aikin da ake buƙata don haɗa kayan aikin tsaro da kare zirga-zirgar hanyar sadarwa a cikin ainihin lokaci ba tare da asarar fakiti ba.
Na farko, menene Bypass?
Gabaɗaya, ana amfani da na'urar tsaro ta hanyar sadarwa tsakanin cibiyoyin sadarwa biyu ko fiye, kamar Intanet da cibiyar sadarwar waje. Shirin aikace-aikacen akan na'urar tsaro ta hanyar sadarwa yana nazarin fakitin cibiyar sadarwa don tantance ko akwai barazanar, sannan a tura fakitin bisa ga wasu ƙa'idodin tuƙi. Idan na'urar tsaro ta hanyar sadarwa ta yi kuskure, Misali, bayan gazawar wutar lantarki ko karo, sassan cibiyar sadarwar da aka haɗa da na'urar za su rasa hulɗa da juna. A wannan lokacin, idan kowace cibiyar sadarwa tana buƙatar haɗawa da juna, dole ne ta kasance ta gaba.
Bypas, kamar yadda sunan ke nunawa, aiki ne da ba a ketare ba, wanda ke nufin cewa cibiyoyin sadarwa guda biyu za a iya fatattakar su ta jiki kai tsaye ta hanyar tsarin na'urar tsaro ta hanyar sadarwa ta musamman yanayin faɗakarwa (rashin wuta ko kashewa). Bayan an kunna Bypass, lokacin da na'urar tsaro ta hanyar sadarwa ta gaza, hanyar sadarwar da ke da alaƙa da na'urar za ta iya sadarwa tare da juna. A wannan yanayin, na'urar wucewa ba ta aiwatar da fakiti akan hanyar sadarwa.
Na biyu, ana amfani da rabe-raben Bypass ta hanyoyi masu zuwa:
An raba Ketare zuwa hanyoyi masu zuwa: yanayin sarrafawa ko yanayin faɗakarwa
1. Ƙaddamar da wutar lantarki. A wannan yanayin, ana kunna aikin Bypass lokacin da na'urar bata kunna ba. Lokacin da na'urar ke kunne, ana kashe Ketare nan da nan.
2. GPIO ke sarrafawa. Bayan shiga cikin OS, za ku iya amfani da GPIO don sarrafa takamaiman tashar jiragen ruwa don sarrafa maɓalli na Bypass.
3, ta hanyar kula da Watchdog. Wannan fadada Hanyar 2. Kuna iya amfani da Watchdog don sarrafa kunnawa da kashe shirin GPIO Bypass, don sarrafa matsayin Bypass. Ta wannan hanyar, Watchdog na iya buɗe hanyar wucewa idan dandalin ya fado.
A aikace aikace, waɗannan jihohi uku sukan kasance a lokaci guda, musamman hanyoyi biyu na 1 da 2. Hanyar aikace-aikacen gabaɗaya ita ce: Lokacin da na'urar ta kashe, ana kunna Bypass. Bayan an kunna na'urar, BIOS na iya sarrafa hanyar wucewa. Bayan BIOS ya karɓi na'urar, hanyar wucewa tana kunne. Ana kashe hanyar wucewa ta yadda aikace-aikacen zai iya aiki. Yayin duk aikin farawa, kusan babu yanke haɗin yanar gizo.
Na ƙarshe, Nazarin ƙa'idar aiwatar da Ketare
1. Hardware matakin
A matakin kayan masarufi, ana amfani da relay galibi don gane Bypass. Wadannan relays galibi suna haɗe da igiyoyin sigina na kowane tashar sadarwa a tashar hanyar sadarwa ta Bypass. Hoto mai zuwa yana amfani da kebul na sigina ɗaya don kwatanta yanayin aiki na relay.
Ɗauki faɗakar wutar lantarki a matsayin misali. A cikin yanayin gazawar wutar lantarki, mai canzawa a cikin relay zai yi tsalle zuwa 1, wato, Rx a cikin tashar RJ45 na LAN1 kai tsaye yana sadarwa tare da RJ45 Tx na LAN2. Lokacin da na'urar ke kunne, mai kunnawa zai haɗa zuwa 2. Kuna buƙatar yin hakan ta hanyar app akan wannan na'urar.
2. matakin software
A cikin rarrabuwa na Bypass, GPIO da Watchdog an tattauna su don sarrafawa da haifar da Kewaya. A haƙiƙa, waɗannan hanyoyin guda biyu suna aiki da GPIO, sannan GPIO ke sarrafa relay akan kayan aikin don yin tsalle mai dacewa. Musamman, idan an saita GPIO daidai zuwa babba, to relay zai yi tsalle zuwa matsayi na 1. Akasin haka, idan an saita kofin GPIO zuwa ƙasa, relay zai yi tsalle zuwa matsayi na 2.
Don Watchdog Bypass, a zahiri, a kan tushen ikon GPIO na sama, ƙara Haɗin sarrafa Watchdog. Bayan mai sa ido ya fara aiki, saita aikin don kewayawa a cikin BIOS. Tsarin yana ba da damar aikin Watchdog. Bayan Watchdog ya fara aiki, ana kunna hanyar sadarwa ta hanyar hanyar sadarwa ta hanyar Bypass, yin na'urar a cikin yanayin Bypass. A haƙiƙa, GPIO ma ke sarrafa hanyar wucewa. A wannan yanayin, ƙaramin rubutu zuwa GPIO Watchdog ne ke yin shi, kuma ba a buƙatar ƙarin shirye-shirye don rubuta GPIO.
Ayyukan Kewaye kayan aikin aiki ne na samfuran tsaro na cibiyar sadarwa. Lokacin da aka kashe na'urar ko ta katse, za a iya haɗa tashar jiragen ruwa na ciki da na waje da juna don samar da kebul na cibiyar sadarwa. Ta wannan hanyar, zirga-zirgar bayanan masu amfani za su iya wucewa ta cikin na'urar ba tare da an shafe ta da halin yanzu na na'urar ba.
Lokacin aikawa: Fabrairu-06-2023
