Aiki shine mafi nunin kai tsaye

Don madaidaicin madaidaicin madauri na gabaɗaya, garantin QoS mai sauƙi, hanyoyin tsaro, tallafi don dabarun sarrafa hanyar sadarwa, ƙayyadaddun ka'idojin bishiyar da VLANs duk ayyuka ne masu mahimmanci, duk da haka, idan kun yi nazari a hankali, ana iya rarraba wasu ayyuka a ƙarƙashin sauƙi mai sauƙi, kuma waɗannan an raba su. Ayyuka sune babban dalilin bambance-bambancen samfuri da kuma hanya mai mahimmanci don nuna ƙarin ƙimar samfuran. Domin samar da masu amfani da mafi girman sassauci a aikace-aikace masu amfani, manufar QoS na sauyawa dole ne ta goyi bayan saitunan fifiko na fakiti masu yawa, ana iya saita fifiko don adireshin MAC, VLAN, adireshin IP, da tashar jiragen ruwa bi da bi. A lokaci guda, mai canzawa dole ne ya sami kyakkyawar kulawar cunkoso da iyawar ƙuntatawa mai gudana, tallafawa ayyuka daban-daban na Diffserv, da hankali ya bambanta rafukan aikace-aikacen daban-daban dangane da tushen / makoma MAC / IP don saduwa da bukatun aikace-aikacen multimedia na lokaci-lokaci. Ko da yake wasu masu sauyawa a kasuwa a halin yanzu suna da'awar samun garantin QoS, kawai suna goyan bayan saitunan fifiko guda ɗaya, wanda ke kawo matsala mai yawa ga aikace-aikacen masu amfani.

VLAN goyon baya

VLAN cibiyar sadarwa ce ta yanki mai kama-da-wane. Ta hanyar rarraba cibiyar sadarwar yanki zuwa sassan cibiyar sadarwar VLAN mai kama-da-wane, ana iya ƙarfafa gudanar da cibiyar sadarwa da tsaro na cibiyar sadarwa, kuma ana iya sarrafa watsa shirye-shiryen da ba dole ba, Ƙungiyar aiki a cikin hanyar sadarwa na iya karya ta hanyar ƙuntatawar yanki a cikin hanyar sadarwar da aka raba, kuma ta rarraba. subnet bisa ga aikin gudanarwa, masu canzawa na masana'anta daban-daban suna da ikon tallafi daban-daban don VLANs, kuma adadin VLANs da ke goyan baya daban. Ayyukan gudanarwa na cibiyar sadarwa Ta hanyar aikin gudanarwa na cibiyar sadarwa, za ka iya amfani da software na gudanarwa don sarrafawa da kuma daidaita sauyawa, alal misali, ana iya sarrafa shi ta hanyar mai binciken gidan yanar gizo, Telnet, SNMP, RMON, da dai sauransu. Yawancin lokaci, masu sana'a na sauyawa suna samar da software na gudanarwa ko na uku. - software na gudanarwa na jam'iyya don sarrafa sauyawa daga nesa. Maɓalli na gabaɗaya sun haɗu da ayyukan gudanarwa na ƙididdiga na SNMPMIBI / MIBII, da kuma tallafawa sarrafa tsarin daidaitawa, sarrafa ingancin sabis, sarrafa ƙararrawa da sauran dabarun, mafi rikitarwa Gigabit sauyawa zai goyi bayan saka idanu mai aiki na RMON ta ƙara ginanniyar ƙungiyar RMON (mini-RMON).

Haɗin haɗin gwiwa

Haɗin haɗin haɗin gwiwa zai iya sa haɗin haɗin haɗin haɗin tsakanin masu sauyawa da tsakanin masu sauyawa da sabobin suna da kyau sosai, misali, biyu, uku, da hudu gigabit links za a iya haɗa su tare don ninka bandwidth na haɗin gwiwa. Saita manyan hanyoyin haɗin yanar gizo a cikin hanyar sadarwa, kuma yi amfani da Protocol na Bishiyoyi don toshe hanyar haɗin yanar gizo, wanda a zahiri ba ya samar da madauki. Da zarar gazawar ta faru, ana kunna hanyar haɗin yanar gizo.

Goyan bayan ka'idar VRRP

VRRP (Virtual Routing Redundancy Protocol) mafita ce don tabbatar da amincin cibiyar sadarwa. A cikin wannan ka'ida, tsohuwar ƙofar (DefaultGateway) na na'urar IP ta tashar a kan hanyar samun damar shiga da yawa ana samun goyon baya sosai, ta yadda lokacin da ɗaya daga cikin na'urorin sauya mai Layer uku ya ƙare, na'urar ajiyar za ta ɗauki nauyin turawa. aiki a cikin lokaci, Mai amfani yana ba da mika wuya ga gaskiya, wanda ke inganta ingancin sabis na cibiyar sadarwa. Ka'idar VRRP tayi kama da ka'idar HSRP ta Cisco, amma HSRP mallakin Cisco ce. A halin yanzu, masana'antun canzawa na yau da kullun sun riga sun goyi bayan ka'idar VRRP a cikin samfuran su, amma zai ɗauki lokaci kafin a yi amfani da shi sosai.