Hona joale, basebelisi ba bangata ba marang-rang ba khoebo le setsi sa data ba amohela QSFP + ho SFP + port breakout splitting scheme ho ntlafatsa marang-rang a teng a 10G ho marang-rang a 40G ka katleho le ka mokhoa o tsitsitseng ho finyella tlhokahalo e ntseng e eketseha ea phetisetso ea lebelo le phahameng. Sekema sena sa 40G ho isa ho 10G sa ho arola li-port se ka sebelisa ka botlalo lisebelisoa tsa marang-rang tse teng, ho thusa basebelisi ho boloka litšenyehelo, le ho nolofatsa tlhophiso ea marang-rang. Joale u ka fihlela phetisetso ea 40G ho 10G joang? Sengoliloeng sena se tla arolelana merero e meraro ea ho arola ho u thusa ho fihlela phetisetso ea 40G ho 10G.
Port Breakout ke eng?
Li-breakouts li etsa hore ho be le khokahanyo lipakeng tsa lisebelisoa tsa marang-rang tse nang le likou tse fapaneng tsa lebelo, ha li ntse li sebelisa li-port bandwidth ka botlalo.
Mokhoa oa ho senya lisebelisoa tsa marang-rang (li-switches, li-routers, le li-server) li bula litsela tse ncha tsa hore basebetsi ba marang-rang ba tsamaisane le lebelo la tlhokahalo ea bandwidth. Ka ho eketsa likou tsa lebelo le holimo tse tšehetsang ho phatloha, basebelisi ba ka eketsa sekhahla sa "faceplate port density" mme ba nolofalletsa ho ntlafatsa ho ea ho litekanyetso tse phahameng tsa data ka ho eketseha.
Litlhokomelo tsa ho arola 40G ho 10G Ports Breakout
Ka ho fetisisa fapoha ka 'maraka tšehetso koung petsoha. U ka hlahloba hore na sesebelisoa sa hau se tšehetsa ho aroloa ha port ka ho sheba bukana ea sesebelisoa kapa ho botsa mofani oa thepa. Hlokomela hore maemong a mang a khethehileng, li-port port li ke ke tsa aroloa. Mohlala, ha switjha e sebetsa joalo ka Leaf switjha, tse ling tsa likou tsa eona ha li tšehetse ho arohana ha koung; Haeba switch port e sebetsa joalo ka stack port, kou e ke ke ea aroloa.
Ha o arola boema-kepe ba 40 Gbit/s boema-kepeng ba 4 x 10 Gbit/s, etsa bonnete ba hore boema-kepe bo tsamaisa 40 Gbit/s ka mokhoa o ikhethileng mme ha ho mesebetsi e meng ea L2/L3 e lumelletsoeng. Hlokomela hore nakong ea ts'ebetso ena, boema-kepe bo tsoela pele ho sebetsa ho 40Gbps ho fihlela sistimi e qala hape. Ka hona, ka mor'a ho arola koung ea 40 Gbit / s ho 4 x 10 Gbit / s likoung tse sebelisang taelo ea CLI, qala sesebelisoa hape ho etsa hore taelo e sebetse.
QSFP+ ho SFP+ Cabling Scheme
Hajoale, merero ea khokahano ea QSFP+ ho SFP+ haholo e kenyelletsa tse latelang:
QSFP+ ho 4* SFP+ DAC/AOC Direct Cable Connection Scheme
Ho sa tsotellehe hore na u khetha 40G QSFP + ho 4 * 10G SFP + DAC copper core high-speed cable kapa 40G QSFP + ho 4 * 10G SFP + AOC cable e sebetsang, khokahanyo e tla tšoana hobane mohala oa DAC le AOC o tšoana ka moralo le morero. Joalokaha ho bontšitsoe setšoantšong se ka tlase, pheletsong e 'ngoe ea mohala o tobileng oa DAC le AOC ke sehokelo sa 40G QSFP +, 'me pheletso e' ngoe ke lihokelo tse 'ne tse arohaneng tsa 10G SFP +. Sehokelo sa QSFP + se kenella ka kotloloho boema-kepeng ba QSFP + ha se fetoha 'me se na le liteishene tse' nè tse tšoanang, tse sebetsang ka litekanyetso ho fihlela ho 10Gbps. Kaha likhoele tsa lebelo le phahameng tsa DAC li sebelisa likhoele tsa koporo le tsa AOC tse sebetsang li sebelisa fiber, li boetse li tšehetsa libaka tse fapaneng tsa phetisetso. Ka tloaelo, likhoele tsa lebelo le phahameng tsa DAC li na le sebaka se khuts'oane sa phetisetso. Ena ke phapang e totobetseng ka ho fetisisa pakeng tsa tse peli.
Ka 40G ho 10G karohano e arohaneng, o ka sebelisa 40G QSFP + ho 4 * 10G SFP + ka ho toba thapo ea khokahanyo ho hokahanya le switch ntle le ho reka li-modules tse eketsehileng tsa optical, ho boloka litšenyehelo tsa marang-rang le ho nolofatsa mokhoa oa ho hokahanya. Leha ho le joalo, sebaka sa phetisetso ea khokahano ena e lekanyelitsoe (DAC≤10m, AOC≤100m). Ka hona, thapo e otlolohileng ea DAC kapa ea AOC e loketse ho hokela khabinete kapa likhabinete tse peli tse haufi.
40G QSFP + ho 4 * LC Duplex AOC Branch Active Cable
The 40G QSFP + ho 4 * LC duplex AOC branch e sebetsang kabel ke mofuta o khethehileng oa cable e sebetsang ea AOC e nang le sehokelo sa QSFP + ka lehlakoreng le leng le li-jumpers tse 'nè tse arohaneng tsa LC duplex ho tse ling. Haeba u rerile ho sebelisa 40G ho 10G cable e sebetsang, u hloka li-modules tse 'nè tsa SFP + optical, ke hore, sebopeho sa QSFP + sa 40G QSFP + ho 4 * LC duplex cable e sebetsang e ka kenngoa ka ho toba ka koung ea 40G ea sesebelisoa, le LC interface e tlameha ho kenngoa ka har'a 10G SFP + optical module ea sesebelisoa. Kaha lisebelisoa tse ngata li lumellana le LC interfaces, mokhoa ona oa ho hokahanya o ka finyella litlhoko tsa basebelisi ba bangata hamolemo.
MTP-4 * LC Lekala la Optical Fiber Jumper
Joalokaha ho bontšitsoe setšoantšong se latelang, pheletsong e 'ngoe ea MTP-4 * LC jumper ea lekala ke 8-core MTP interface bakeng sa ho hokahanya le 40G QSFP + optical modules, 'me qetello e' ngoe ke li-jumpers tse 'nè tsa LC bakeng sa ho hokahanya le li-module tse' nè tsa 10G SFP + optical modules. . Mohala o mong le o mong o fetisetsa data ka tekanyo ea 10Gbps ho tlatsa phetisetso ea 40G ho 10G. Tharollo ena ea khokahanyo e loketse marang-rang a 40G a phahameng. Li-jumpers tsa lekala tsa MTP-4 * LC li ka ts'ehetsa phetiso ea data ea sebaka se selelele ha e bapisoa le likhokahano tse tobileng tsa DAC kapa AOC. Kaha lisebelisoa tse ngata li lumellana le li-interfaces tsa LC, MTP-4 * LC branch jumper connection scheme e ka fana ka basebedisi ka mokhoa o bonolo haholoanyane oa ho sebelisa wiring.
Mokhoa oa ho senya 40G ho 4 * 10G ho ronaMylinking™ Network Packet Broker ML-NPB-3210+ ?
Sebelisa mohlala: Hlokomela: Ho nolofalletsa ts'ebetso ea ho phatloha ha port 40G ho Command Line, o hloka ho qala sesebelisoa hape
Ho kenya mokhoa oa tlhophiso oa CLI, kena ho sesebelisoa ka sekepe sa serial kapa SSH Telnet. Matha "nolofalletsa---lokisa terminal---sehokelo ce0---lebelo 40000---ho thoba” e laela ka tatellano ho nolofalletsa ts'ebetso ea CE0 port breakout. Qetellong, qala sesebelisoa hape joalo ka ha u khothalelitsoe. Kamora ho qala bocha, sesebelisoa se ka sebelisoa ka mokhoa o tloaelehileng.
Ka mor'a hore sesebelisoa se qale hape, 40G port CE0 e se e phunyeletse ho 4 * 10GE likoung tsa CE0.0, CE0.1, CE0.2, le CE0.3. Likou tsena li hlophisitsoe ka thoko joalo ka likou tse ling tsa 10GE.
Lenaneo la mohlala: ke ho nolofalletsa ts'ebetso ea ho phatloha ha koung ea 40G moleng oa taelo, le ho senya sekepe sa 40G ho li-port tse 'nè tsa 10G, tse ka lokisoang ka thoko e le likou tse ling tsa 10G.
Breakout Melemo le Go tlhoka mesola
Melemo ea ho phatloha:
● Tekanyetso e phahameng. Mohlala, sesebelisoa sa 36-port QDD breakout se ka fana ka makhetlo a mararo a sekhahla sa switch e nang le likou tse tlase tsa tsela e le 'ngoe. Kahoo ho fihlella palo e ts'oanang ea likhokahano ho sebelisa li-switches tse fokolang.
● Ho fihlella li-interfaces tsa lebelo le tlase. Ka mohlala, transceiver ea QSFP-4X10G-LR-S e nolofalletsa phetoho e nang le likou tsa QSFP feela ho hokahanya li-interface tsa 4x 10G LR ka koung.
● Poloko ea Moruo. Ka lebaka la tlhokahalo e fokolang ea lisebelisoa tse tloaelehileng ho kenyelletsa chassis, likarete, barekisi ba motlakase, libapali, ...
Melemo ea ho phatloha:
● Leano le thata haholoanyane la ho khutlisa. Ha e 'ngoe ea likou tsa transceiver ea breakout, AOC kapa DAC, e tsamaea hampe, e hloka hore ho nkeloe sebaka sa transceiver eohle kapa cable.
● Eseng kamoo u ka khonang. Ho li-switches tse nang le li-downlink tsa tsela e le 'ngoe, boema-kepe bo bong le bo bong bo hlophisitsoe ka bonngoe. Mohlala, boema-kepe bo le bong e ka ba 10G, 25G, kapa 50G mme bo ka amohela mofuta ofe kapa ofe oa transceiver, AOC kapa DAC. Sebaka sa QSFP-feela ka mokhoa oa ho senya se hloka mokhoa o bohlale oa sehlopha, moo li-interfaces tsohle tsa transceiver kapa cable e leng mofuta o tšoanang.
Nako ea poso: May-12-2023
