La 19 Hlakubele 2021
Lilemong tse hlano ho isa ho tse supileng tse fetileng lebelo le tloaelehileng ka ho fetisisa la ho hokahanya pakeng tsa Top of Rack (ToR) lekhasi la switjha ho subtending li-server le li-server tsa polokelo e bile 10Gbps.Litsi tse ngata tsa data tsa hyperscale esita le litsi tse kholoanyane tsa data tsa khoebo li fetisetsa lihokelo tsena tsa phihlello ho 25Gbps.Likhokahano tsena li ka hahoa ho sebelisoa 25Gbps Direct Attached Copper cables (DACs), Active Optical Cables (AOCs), kapa ka para ea SFP28 25Gbps transceivers optical le cable e loketseng ea duplex fiber optic jumper.
Ho hlahisa sesebelisoa sena ka lihlahisoa tsa lefats'e la 'nete, ho khethiloe switch ea ToR ho tsoa letotong la Cisco's Nexus 3000 le seva e kentsoeng ka rack e tsoang ho Supermicro.Likarolo tse ling feela tse hlokahalang ke Fiberconcepts SFP-25G-SR-s multimode transceivers le OM4 multimode patch cables.
TOR LETSATSI TS'OANE: CiscoNexus 34180YC
Sethala sa Nexus 3400 ke karolo ea moloko oa morao-rao oa Nexus®3000 Series Switches e tsitsitseng.Letoto la 3000 le lebisitsoe ka botlalo bakeng sa lits'ebetso tsa ToR.Litho tsohle ke lihlahisoa tse tsitsitseng tsa compact (1RU).Ho pholletsa le lelapa lena la lihlahisoa ha e le hantle litefiso tsohle tse fumanehang tsa optical ethernet lia fanoa, ho tloha ho 1G ho isa ho 400G.
Nexus 34180YC ke sesebelisoa se loketseng ho bonts'a tšebeliso ea mofuta oa INTCERA, Cisco e tsamaisanang le SFP-25G-SR-S transceiver.Phetoho ena e fana ka phetoho e kholo ho lebelo la boema-kepe, ho koahela litekanyetso tsa 1G, 10G, 25G, 40G le 100G.34180YC e ka khonahala e lumella mosebelisi ho bareki ho fetola boitšoaro ba ho fetisa liphutheloana ho latela litlhoko tsa lits'ebetso tsa bona.Mohlala, lits'ebetso tsa khoebo ea lebelo le holimo li ka ntlafatsoa bakeng sa latency e tlase haholo.Sesebelisoa sena se na le likou tse 48 tsa SFP +/SFP28 (1G/10G/25G) le likou tse 6 tsa QSFP+/QSFP28 (40G/100G).Phetoho e ts'ehetsa sekhahla se felletseng sa Layer 2/3 switching ho likoung tsena tsohle, kakaretso ea 3.6 Terabits/sec le 1.4 Gigapackets/sec.
34180YC e kanna ea ba le mefuta e mengata e fapaneng ea li-interface tsa optical transceiver ho pholletsa le litefiso tse ngata tse boletsoeng ka holimo.Litafole tse ka tlase li kenyelletsa mefuta e lumellanang ea li-transceiver bakeng sa mekhahlelo e 'meli ea likou ho switjha.
Nako ea poso: Mar-19-2021
