[AipuWaton] Tsebo ea Bohlokoa bakeng sa Baenjiniere ba Marang-rang: Liphetoho tsa Mastering Core

Lithapo tse 8 tsa thapo ea Ethernet li etsa eng

Sebakeng sa boenjiniere ba marang-rang, ho utloisisa li-switches tsa mantlha ho bohlokoa bakeng sa ho netefatsa ts'ebetso e nepahetseng ea data le likhokahano tse se nang moeli. Li-switches tsa mantlha li sebetsa e le mokokotlo oa marang-rang, li tsamaisa phetiso ea data lipakeng tsa marang-rang a fapaneng a fapaneng. Sengoliloeng sena se fana ka lintlha tse tšeletseng tsa mantlha tseo moenjiniere e mong le e mong oa marang-rang a lokelang ho li utloisisa ho ntlafatsa ts'ebeliso ea bona ea li-switches tsa mantlha le ho ntlafatsa ts'ebetso ea marang-rang ka kakaretso.

Ho utloisisa Bandwidth ea Backplane

Backplane bandwidth, eo hape e bitsoang switching capacity, ke palo e phahameng ka ho fetesisa ea data lipakeng tsa processor ea switch's interface le bese ea data. Ak'u inahanele e le palo eohle ea litselana holim'a tsela e fetang e fetang - litsela tse ngata li bolela hore sephethephethe se eketsehileng se ka phalla hantle. Ka lebaka la hore likhokahano tsohle tsa boema-kepe li feta ka sefofaneng se ka morao, bandwidth ena hangata e sebetsa e le tšitiso nakong ea sephethephethe se phahameng. Ha bandwidth e le kholoanyane, data e ngata e ka sebetsoa ka nako e le 'ngoe, e bakang phapanyetsano ea data ka potlako. Ka lehlakoreng le leng, bandwidth e lekanyelitsoeng e tla liehisa ts'ebetso ea data.

Mokhoa oa bohlokoa:
Bophahamo ba Boema-fofane = Palo ea Boema-kepe × Sekhahla sa Boema-kepe × 2

Mohlala, switch e nang le likou tse 24 tse sebetsang ho 1 Gbps e ka ba le bandwidth ea 48 Gbps.

Litefiso tsa Phatlalatso ea Pakete bakeng sa Layer 2 le Layer 3

Lintlha tsa marang-rang li na le lipakete tse ngata, e 'ngoe le e' ngoe e hloka lisebelisoa bakeng sa ho sebetsa. Sekhahla sa ho fetisa (sephetho) se bontša hore na ke lipakete tse kae tse ka sebetsoang ka nako e itseng, ho sa kenyeletsoe tahlehelo ea liphutheloana. Tekanyo ena e tšoana le phallo ea sephethephethe borokhong 'me ke metric ea bohlokoa ea ts'ebetso bakeng sa li-switches tsa layer 3.

Bohlokoa ba ho Fetoha ha Line-Speed:
Ho felisa li-bottlenecks tsa marang-rang, li-switch li tlameha ho finyella line-speed switching, ho bolelang hore sekhahla sa bona sa ho fetoha se lumellana le sekhahla sa phetisetso ea data e tsoang.

Palo ea Phallo:
Phapang (Mpps) = Palo ea 10 Gbps Ports × 14.88 Mpps + Palo ea 1 Gbps Ports × 1.488 Mpps + Palo ea 100 Mbps Ports × 0.1488 Mpps.

Phetoho e nang le likou tsa 24 1 Gbps e tlameha ho fihlella bonyane ba 35.71 Mpps ho tsamaisa phapanyetsano ea lipakete tse sa thibeleng hantle.

Scalability: Ho rera bokamoso

Scalability e kenyelletsa likarolo tse peli tse kholo:

Slot Count

Palo ea li-slots ho switch e etsa qeto ea hore na ho ka kengoa li-module tse kae tse sebetsang le tsa interface. Module e 'ngoe le e' ngoe e na le slot, ka hona e fokotsa palo e kholo ea likou tseo switch e ka e tšehetsang.

Mefuta ea Mojule

Mefuta e fapaneng e fapaneng ea li-module tse tšehetsoeng (mohlala, LAN, WAN, ATM) e ntlafatsa ho ikamahanya le maemo ho latela litlhoko tse fapaneng tsa marang-rang. Mohlala, li-module tsa LAN li lokela ho kenyelletsa mefuta e fapaneng e kang RJ-45 le GBIC ho hlokomela litlhoko tse fapaneng tsa marang-rang.

Layer 4 Switching: Ho ntlafatsa Ts'ebetso ea Marang-rang

Layer 4 switching e potlakisa phihlello ea lits'ebeletso tsa marang-rang ka ho lekola eseng feela liaterese tsa MAC kapa liaterese tsa IP, empa le linomoro tsa koung ea kopo ea TCP/UDP. E etselitsoe ka ho khetheha bakeng sa lits'ebetso tsa Intranet tsa lebelo le phahameng, ho fetoha ha layer 4 ha ho ntlafatse feela ho leka-lekanya mojaro empa hape ho fana ka taolo e thehiloeng ho mofuta oa kopo le ID ea mosebelisi. Sena se beha li-switches tsa 4 joalo ka matlooa a sireletsehileng a ts'ireletso khahlano le phihlello e sa lumelloeng ea li-server tse hlokolosi.

Khaello ea Mojule: Ho netefatsa ho Tšepahala

Redundancy ke senotlolo sa ho boloka marang-rang a matla. Lisebelisoa tsa marang-rang, ho kenyeletsoa li-switches tsa mantlha, li lokela ho ba le bokhoni ba ho fokotsa nako ea ho fokotsa nako nakong ea ho hloleha. Likarolo tsa bohlokoa, tse kang li-module tsa tsamaiso le matla, li tlameha ho ba le likhetho tsa failover ho netefatsa ts'ebetso e tsitsitseng ea marang-rang.

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Routing Redundancy: Boosting Network Stability

Ho kenya ts'ebetsong liprothokholo tsa HSRP le VRRP ho tiisa ho leka-lekana ha mojaro le li-backups tse chesang bakeng sa lisebelisoa tsa mantlha. Haeba ho na le ho hloleha ha switjha ka har'a sesebelisoa sa mantlha kapa habeli, sistimi e ka fetela kapele ho mehato ea ho boloka, ho netefatsa hore ho na le bofokoli bo se nang moeli le ho boloka botšepehi ba marang-rang ka kakaretso.

爱谱华顿LOGO-A字

Qetello

Ho kenyelletsa lintlha tsena tsa mantlha tsa switjha ho repertoire ea hau ea boenjiniere ba marang-rang ho ka ntlafatsa haholo ts'ebetso ea hau ea ts'ebetso le katleho ea ho laola lits'ebetso tsa marang-rang. Ka ho utloisisa mehopolo e joalo ka bandwidth ea backplane, litefiso tsa ho fetisa lipakete, scalability, layer 4 switching, redundancy, le liprothokholo tsa routing, o ipeha ka pele ho lekhalo lefatšeng le ntseng le eketseha le tsamaisoang ke data.

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Nako ea poso: Jan-16-2025