Liphetolelo tsa marang-rang li bapisoa joang le li-hubs le li-routers
Sesebelisoa se senyenyane ke sesebelisoa se senyenyane sa thepa se ikarabellang lipuisanong tsa lisebelisoa tse ngata tse kopanetsoeng sebakeng se le seng sa marang-rang (LAN) .
Lisebelisoa tsa li-switch tsa Ethernet li ne li atisa ho sebelisoa marangeteng a lehae lilemo tse ngata pele li - router tsa lapeng li se li ratoa. Li-routers tsa mahae tsa kajeno li kopanya li-switches tsa Ethernet ka ho toba ka lehare e le e 'ngoe ea mesebetsi ea bona ea mantlha.
Litšebeliso tsa marang-rang tse phahameng li ntse li sebelisoa haholo mekhatlo ea khoebo le litsi tsa lits'ebeletso. Ka linako tse ling li-switches tsa marang-rang li bitsoa ho fetola li-hubs, ho palama li-hubs kapa marokho a MAC.
About Network Switches
Ha ho ntse ho fetola bokhoni ba mefuta e 'maloa ea marang-rang ho akarelletsa ATM , Fiber Channel le Token Ring , li-switch Ethernet ke mofuta o tloaelehileng ka ho fetisisa.
Liphetoho tse kholo tsa Ethernet tse ka hare ho li-router li-router li tšehetsa Gigabit Ethernet ka lebelo ka leng, empa liphetoho tse phahameng tse kang tsa litsing tsa data hangata li tšehetsa 10 Gbps ka khokahanyo.
Mefuta e fapaneng ea li-switches tsa marang-rang e tšehetsa mefuta e sa tšoaneng ea lisebelisoa tse amanang Liphetoho tsa marang-rang tsa bareki li fana ka khokahanyo e mene kapa e robeli bakeng sa lisebelisoa tsa Ethernet, ha mechine e sebetsang ka tloaelo e tšehetsa lipakeng tsa 32 le 128.
Liphetoho li ka kopanngoa, ho sebelisoa mokhoa o motle oa ho eketsa palo e kholoanyane ea lisebelisoa ho LAN.
Liphetoho tse laoloang le tse sa sebetsanoang
Lesebelisoa tsa motheo tsa marang-rang tse kang tse sebelisoang ho li-routers tsa bareki ha li hloka kemiso e khethehileng ho feta ho kenya likhoele le matla.
Ha li bapisoa le liphetoho tsena tse sa sebetsoeng, lisebelisoa tse phahameng tse sebelisoang marang-rang a marang-rang li tšehetsa mefuta e mengata e tsoetseng pele e etselitsoeng ho laoloa ke setsebi sa setsebi. Lintho tse tloaelehileng tsa liphahla tse hlophisitsoeng li kenyeletsa ho hlahloba SNMP , link aggregation, le ts'ehetso ea QoS .
Liphetoho tse hlophisitsoeng ka moetlo li hahiloe hore li laoloe ho tloha ho Unix-style line line interfaces. Sehlopha se secha sa liphetoho tse laoloang tse bitsoang smart switches, tse lebisitsoeng ho marang-rang a marang-rang a marang-rang le a midrange, marang-rang a marang-rang a marang-rang a tšoanang le a router ea lapeng.
Liphetoho tsa lihlahisoa vs. Li-Hubs le Routers
Inthanete e fetola 'mele e tšoana le molabo oa marang-rang . Ho fapana le li-hubs, leha ho le joalo, li-switches tsa marang-rang li khona ho hlahloba melaetsa e kenang ha e ntse e amoheloa le ho e lebisa koung e itseng ea puisano-theknoloji e bitsoang packet switching .
Sesebelisoa se khetholla liaterese tsa sebaka le likopano tsa pakete e 'ngoe le e' ngoe le ho fetisetsa boitsebiso feela ho lisebelisoa tse khethehileng, ha hubs e fetisetsa lipakete ho e 'ngoe le e' ngoe ntle le e amohetseng sephethephethe. E sebetsa ka tsela ena ho boloka marang-rang a marang-rang 'me ka kakaretso ho ntlafatsa ts'ebetso ho bapisoa le li-hubs.
Liphetoho li boetse li tšoana le li-routers network. Ha li-routers li ntse li fetola likarolo tse peli tsa lik'hamphani tsa libaka, li-routers ke tsona feela tse nang le ts'ehetso ea ho kena-kenana le marang-rang a ka ntle, mohlomong marang-rang kapa marang-rang.
Sesebelisoa sa 3
Liphetoho tsa mekhoa ea setso li sebetsa Sethaleng sa 2 Data Link Layer ea setšoantšo sa OSI . Lisebelisoa tse 3 tse kopanyang lebokose la lik'hamera tsa li-switches le li-routers ka lisebelisoa tsa lebasetere li boetse li sebelisitsoe mananeong a mang a marang-rang.
Ha li bapisoa le li-switches tsa setso, li-switches tsa Layer 3 li fana ka tšehetso e molemo bakeng sa lisebelisoa tsa LAN (VLAN) tse tloaelehileng.