Sekuphele unyaka manje sizwa ngezinzuzo zezinga le-Wi-Fi 6 elishintshashintshayo ngokombono wezobuchwepheshe. Uhlaka lokulawula lwaseRussia lwaleli zinga ludlula ezigabeni zokugunyazwa futhi luzoqala ukusebenza ezinyangeni ezimbalwa. ukudala izimo zokugunyazwa kwezisetshenziswa zokuxhumana.
Ngizogxila kulokho, ngaphezu kokujwayelekile, umthengisi ohamba phambili emkhakheni wamanethiwekhi angenantambo ezinkampani, inkampani engisebenze cishe iminyaka engu-12, inikeza - Cisco. Yilokho okungaphandle kwezinga okufanele ukunakwa kakhulu, futhi yilapho amathuba athakazelisayo avela khona.
Ikusasa le-Wi-Fi 6 selivele libukeka lithembisa:
- I-Wi-Fi iwubuchwepheshe obudume kakhulu bokufinyelela okungenantambo ngenani lamadivayisi asetshenzisiwe. I-chipset engabizi kakhulu ivumela ukuthi ishumekwe ezigidini zamadivayisi ashibhile e-IoT, okuqhubekisela phambili ukwamukelwa kwayo. Okwamanje, inqwaba yamadivayisi okuphela ahlukene asevele asekela i-Wi-Fi 6.
- ayikaze ibonwe ngempela. I-FCC yabela u-1200 MHz owengeziwe wokusetshenziswa ngaphandle kwelayisensi, okuzokwandisa kakhulu amandla e-Wi-Fi 6, kanye nobuchwepheshe obulandelayo, obufana ne-Wi-Fi 7 osekuxoxwe ngayo. Ikhono lokuqinisekisa ukusebenza kohlelo, kuhlanganiswe. ngokutholakala kwe-spectrum ebanzi, kuvula ngempela amathuba amakhulu kakhulu. Izwe ngalinye linomthetho walo futhi e-Russian Federation kuze kube manje azikho izindaba ezizwiwe mayelana nokukhululwa kwe-6 GHz, kodwa asethembe ukuthi ukunyakaza komhlaba wonke ngeke kubonakale kithi.
- mayelana ne-Wi-Fi 6 kukhona okunamandla umsebenzi wokusebenzelana namanethiwekhi eselula e-5G, isibonelo, i-Open Roaming initiative, ethembisa izinsiza ezintsha ezithandekayo ezisebenza kuwo wonke amanethiwekhi ahlukene ngaphandle kokuqashelwa abasebenzisi. Indlela yokulethwa kwesevisi ekugcineni kuya ekupheleni kuwo wonke amanethiwekhi omakhalekhukhwini kanye ne-Wi-Fi izanywe izikhathi eziningi, kodwa ayikaze ithathwe kuze kube manje.
I-Cisco Catalyst 9100 Series Wi-Fi 6 Amaphuzu Okufinyelela
Izindawo zokufinyelela zezinga elisha ziyahluka ngomklamo. Lonke uchungechunge luyefana ngokubukeka, luhluka ngosayizi kuphela. Amaphuzu asebenzisa i-fastener eyodwa, ngakho kulula ukushintsha esinye nesinye.
Zonke izindawo zokufinyelela ze-Cisco Wi-Fi 6 zifana:
- Isitifiketi se-Wi-Fi 6 siyatholakala
- usekelo lwe-802.11ax kuwo womabili amabhendi - 2.4 GHz no-5 GHz.
- Ukusekelwa kwe-OFDMA ku-uplink kanye ne-downlink
- ukwesekwa kwe-MU-MIMO ekuxhumekeni phezulu nakwehliseni ukuze kusetshenziswe ngesikhathi esisodwa neqembu lamadivayisi eklayenti asebenzisa imifudlana yendawo ehlukene
- Okushoyo Umbala we-BSS ezimeni ze-HD kunzima ukuzicabangela ngokweqile. Lobu buchwepheshe okudala bulindelwe, obutholakala kumanethiwekhi eselula, buhamba phambili ezimweni ezinabantu abaningi lapho kukhona izinsiza zomsakazo eziseduze ezihlanganyela isiteshi somsakazo esifanayo.
Umbala we-BSS yikhono lendawo yokufinyelela yokuqoqa amaklayenti ayo ukuze alalele owawo kuphela futhi angabanaki abanye. Ngenxa yalokho, ukusebenza kahle kokusebenzisa isikhathi somoya kuyanda, ngoba amaza omoya awathathwa njengomatasatasa uma amakhasimende abanye abantu nezindawo zokufinyelela ewusebenzisa. Ngaphambilini, izimo ze-HD zazisebenzisa izimpondo eziqondisayo kanye nendlela ye-RX-SOP. Nokho, umbala we-BSS uphumelela kakhulu kunalezi zindlela. Umkhawulo wesizinda sokushayisana ongu--82dBm ungafinyelela kumamitha ayi-100, kanti umkhawulo ongu-72dBm lapho ukuxhumana kusasebenza kahle kuncane kakhulu. Ngenxa yalokho, amaklayenti, ukuzwa abanye, athule futhi angakhulumisani.
- Isikhathi sokuvuka esiqondiwe β ukuhlela ishejuli esemoyeni enamadivayisi esikhundleni sendlela yokushayisana eyayisetshenziswa ngaphambilini. Idivayisi ingafakwa ku-hibernation isikhathi eside, kuze kufike eminyakeni embalwa, futhi ilondoloze impilo yebhethri nesikhathi somoya, obekudingeka ngaphambilini ukuxhumana kwesevisi evamile.
- of technology ukuphepha okwakhelwe ngaphakathi Zikuvumela ukuthi wenze isiqiniseko sokuthi idivayisi yeklayenti iyile nto elizitshela ukuthi iyikho, ukuthi akekho oke waphazamisa isistimu yayo yokusebenza, nokuthi ayizenzi omunye umuntu ukuze ingene kunethiwekhi.
- Cisco Embedded Wireless Controller ukwesekwa, isofthiwe isilawuli esingenantambo esisebenza ngqo endaweni yokungena. I-EWC ihlinzeka ngokuphathwa kwendawo yokungena ngaphandle kwesidingo sokuthenga nokugcina isilawuli esihlukile esingenantambo. Lesi sixazululo silungele amanethiwekhi asabalalisiwe nezinhlangano ezinezinsiza ezilinganiselwe ze-IT. Nge-EWC, ungavula inethiwekhi ngezinyathelo ezimbalwa nje ngokuqondile kusuka kuhlelo lokusebenza leselula. Ukusebenza kwe-EWC kuphinda amakhono athuthukile wesilawuli sokufinyelela okungenantambo sekilasi lebhizinisi eligcwele.
- Ukuxazulula inkinga okusebenzayo kanye nokuzenzakalela kokuphathwa kwenethiwekhi kunikezwa ngokuqalisa ukwakhiwa kweCisco DNA. Amaphuzu okufinyelela aletha ukuhlaziya okujulile mayelana nesimo samaza omoya, inethiwekhi kanye namadivayisi amaklayenti ku-DNA Center. Njengomphumela walokho, inethiwekhi izihlola yona futhi ibonise okudidayo, okuvumela ukuxazulula inkinga ngaphambi kwezingcingo zekhasimende elinganelisekile. Ukulawulwa kokufinyelela kwenzelwa amaqembu abasebenzisi, kucatshangelwa umongo wokuxhuma - uhlobo lwedivayisi, izinga lokuphepha lokuxhuma, uhlelo lokusebenza oluceliwe, indima yomsebenzisi, njll... Ngokuhlukanisa nokukhawulela ukufinyelela ngale ndlela, sikhulisa kakhulu ukuphepha kwe-wireless. inethiwekhi.
- Umsebenzi olungiselelwe ngamadivayisi we-Apple ne-Samsung (futhi uhlu luzonwetshwa). Esikhathini esedlule, i-Cisco inikeze kuphela uxhumano lwe-Wi-Fi olulungiselelwe amadivayisi we-Apple. Ukuthuthukisa kuhlanganisa ukuxhumanisa ukuqaliswa kokuxhumana kwe-Wi-Fi phakathi kwengqalasizinda yenethiwekhi kanye nokuphela kwemishini ukuze kusetshenziswe uxhumano lwedivayisi kunethiwekhi - ukukhetha indawo yokufinyelela eseduze nelayishiwe kancane, ukuzulazula okusheshayo, ukubeka phambili uhlelo lokusebenza kunethiwekhi engenantambo kusukela kumaphakethe wesikhashana. abekwe emgqeni ukuze adluliselwe kumakhalekhukhwini womsakazo. Lokhu kubambisana manje kunwetshiwe futhi amadivayisi we-Samsung nawo ayazuza ekuxhumekeni okuphelele.
Inkanyezi yephothifoliyo iCisco Catalyst 9130 Series Access Point. Le ndawo yokufinyelela ihloselwe izinkampani ezinkulu ezisebenzisa i-IoT ngokugcwele. Yindawo yokufinyelela enokwethenjelwa kakhulu, ekhiqizayo, evikelekile futhi ehlakaniphile.
I-Cisco Catalyst 9130 Series Wi-Fi 6
I-C9130 isebenzisa imisakazo ye-Wi-Fi emi-4, engashintsha ibe ngu-5 uma umsakazo we-8x8 ebhendi ye-5GHz usetshenziswa kumodi yomsakazo eyi-4x4 ekabili. Lesi sigaba sibizwa nge-Flexible Radio Assignment (FRA), ivumela indawo yokufinyelela ukuthi inqume ngamandla ukuthi iyiphi imodi esebenza kangcono uma kubhekwa umthwalo wamanje nokuphazamiseka. Ngokuzenzakalelayo, iphuzu lisebenza kumodi yomsakazo emi-2 - 8x8 ku-5GHz kanye no-4x4 ku-2.4GHz. Kodwa uma umthwalo wenethiwekhi ukhula noma kukhona ukuphazamiseka okuphezulu, lapho kusebenza kahle kakhulu ukusebenzisa amashaneli amancane, iphuzu lingaphinda lilungiselele imodi yokusebenza yamasistimu omsakazo angu-3 futhi likhulise ukusebenza kwenethiwekhi ukuze kuxhunywe amadivayisi amaningi noma livumelane nephethini yokuphazamisa yamanje.
Ngokwesiko, iCisco ithuthukisa i-chipset yayo - I-Cisco RF ASIC - ngezixazululo eziphezulu ezingenazintambo. Sifike kulo mbono ngesikhathi imisebenzi yokuhlaziya ukusakazwa kwemisakazo emsakazweni jikelele iqala ukudla isikhathi esiningi ekusizeni amakhasimende. I-Cisco RF ASIC inomsakazo owengeziwe wokutholwa kokuphazamiseka, ukuhlela okuhle komsakazo, Imisebenzi ye-IPS - kudingekile ngokuphelele ukuze kuqinisekiswe ukuphepha ezinkampanini ezinkulu, ukuze kutholwe indawo yamakhasimende. Lapho imisebenzi yokuhlaziya i-spectrum iyiswa kumsakazo ozinikele, ngokushesha sibona ukwanda kokusebenza kwe-AP cishe okungama-25%.
Multigigabit port ngokusebenza okungu-5 Gb/s kukuvumela ukuthi udlulise ithrafikhi eqoqiwe ngaphandle kwebhodlela.
I-Intelligent Capture ihlola njalo inethiwekhi futhi idlulisela imiphumela yokuhlaziya ejulile ku-Cisco DNA Center, ithola okungaphezu kuka-200 okungaqondakali, ihlaziya ithrafikhi ezingeni lephakethe, isebenze njengomphathi wenethiwekhi eyakhelwe ngaphakathi. Lokhu kwenziwa ngaphandle kokunciphisa umkhiqizo wesevisi yamakhasimende.
ICisco Catalyst 9130 Access Point ingeyokuqala embonini ukusebenza kuyo 8x8 ngezinti zangaphandle. Ukuxhuma i-antenna ekhethekile enjalo, kusetshenziswa isixhumi esihlakaniphile esikhethekile; yisona esimbozwe ngekhava ephuzi esithombeni. I-antenna yangaphandle ivumela imiklamo eyinkimbinkimbi yerediyo ukuthi isetshenziswe ezimeni eziminyana kakhulu - izinkundla, amagumbi okufundela, njll. I-LED evamile yezindawo zokufinyelela nayo iku-antenna yangaphandle, ekuvumela ukuthi uhlole ngokushesha isimo sokusebenza semishini esizeni. Kuyathakazelisa ukuthi i-antenna yehhovisi evamile ngalesi sikhathi inobuhle obufanayo nechashazi - bheka isithombe esingezansi bese uzama ukuthola umehluko ongu-3!
Iziteshi ezibanzi kakhulu ezisekelwayo ziyi-160 MHz.
Umsakazo wesi-5 endaweni yokungena I-Bluetooth Low Energy (BLE) 5 ukuze zisetshenziswe ezindabeni ze-IoT, isibonelo, ukulandelela ukunyakaza kwezinto ezimakiwe ze-BLE nabantu noma ukuzulazula egumbini. Iphuzu liphinde lisekele ukuxhumeka kwamaphrothokholi ochungechunge lwe-802.15.4, isibonelo amazombe ngokwesibonelo, ukusebenza namathegi entengo kagesi we-Imagotag.
Ukuqeda indaba, i-IoT iyasekelwa ukuhambisa isitsha sezinhlelo zokusebenza ngqo endaweni yokufinyelela, okungaba usizo kakhulu ngamathegi amanani afanayo kagesi.
Owesibili emgqeni indawo yokufinyelela ye-Cisco Catalyst 9120. Ukusebenza kwayo kulinganiselwe kancane uma kuqhathaniswa ne-Cisco Catalyst 9130, ngoba akuyona inkanyezi, kodwa inkanyezi. Kodwa ukusebenza okutholakalayo yikho konke okudingwa yinkampani enkulu. Isebenzisa inkundla yehadiwe efanayo ne-Cisco Catalyst 9130 futhi iyindawo yokufinyelela edume kakhulu yokusetshenziswa kwebhizinisi.
I-Cisco Catalyst 9120 Series Wi-Fi 6 Indawo Yokufinyelela
Iphoyinti lomsakazo i-S9120 lisebenza ngokulandela uhlelo 4 Γ 4 + 4 Γ 4, futhi kukhona izinketho zokuvula yomibili imisakazo ku-5 GHz ukwandisa ukusebenza noma ukusebenza ngenguqulo evamile - 5 GHz kanye no-2.4 GHz (ukusebenza kwe-FRA). Ukusebenza kwe-FRA kwethulwe okokuqala esizukulwaneni esedlule i-Cisco Aironet 2800 kanye nezindawo zokufinyelela eziwuchungechunge ezingu-3800 futhi yenze kahle kulo mkhakha. Iphoyinti lokufinyelela le-C9120 liyakhiqiza 4 imifudlana yendawo emsakazweni.
Kunezinketho ezinama-antenna angaphakathi nangaphandle, enye yezimpondo ezokufakwa kochwepheshe, lena i-antenna enamandla, eqondisayo kakhulu ezimweni ezinzima ezikhethekile, njengezinkundla zemidlalo, amakamelo anophahla oluphezulu.
Kusukela ekusebenzeni kwe-Cisco Catalyst 9130 echazwe ngenhla, i-Catalyst 9120 isekela: I-Cisco RF ASIC, i-FRA, isixhumi esihlakaniphile se-Smart Antenna, iziteshi ezibanzi ze-160 MHz, i-Intelligent Capture, i-BLE 5 ehlanganisiwe (kanye ne-Zigbee), ukusekelwa kweziqukathi.
Umehluko: imbobo yegigabhithi eminingi esebenza ngo-2.5 ββGB/s.
Okubusa ngentando yeningi kakhulu (kuze kube manje!) Nokho okuthakazelisa kakhulu mayelana nokusebenza kanye nezici iphuzu le-Cisco Catalyst 9115 yochungechunge.
I-Cisco Catalyst 9115 Series Wi-Fi 6 Indawo Yokufinyelela
Umehluko omkhulu phakathi kwaleli phuzu lokufinyelela ukusetshenziswa kwama-chipsets ajwayelekile embonini.
Uhlelo lokusebenza luyi-4x4 ku-5 GHz kanye ne-4x4 ku-2.4 GHz. Itholakala ngezinti zangaphakathi nezangaphandle.
Kusukela ekusebenzeni okuchazwe kumamodeli amadala ochungechungeni lwe-Catalyst 9115, isekela: I-Intelligent Capture, i-BLE 5 ehlanganisiwe, imbobo yamagigabhithi amaningi esebenza ngo-2.5 ββGB/s.
Ukuqoqwa kwezindawo ezintsha zokufinyelela bekungeke kuphelele ngaphandle kweCisco Catalyst 9800 Series Wireless Controller
Cisco Catalyst 9800 Wireless LAN Controllers
Uchungechunge lwe-C9800 lwezilawuli lufaka inani lentuthuko ebalulekile:
- Ukwanda kokutholakala - izibuyekezo zesofthiwe kusilawuli nezindawo zokufinyelela, okuxhuma izindawo ezintsha zokufinyelela zenziwa ngaphandle kokuphazamisa isevisi yenethiwekhi.
- Ukuphepha β ukusebenza kuyasekelwa ukutholwa kwesoftware enonya kuthrafikhi ebethelwe (ETA), kanye nebanga lemisebenzi yokuvikela eyakhelwe ngaphakathi ukuze kuqinisekiswe ukuthi idivayisi ayigetshengwa futhi inguye ezisho ukuthi iyikho.
- Isilawuli sakhelwe kuhlelo lokusebenza lwe-Cisco IOS XE, oluhlinzeka ngesethi ye I-API yokuhlanganiswa namasistimu esithathu kanye nokusebenzisa amazinga amasha wokuzenzakalela. Ukuzenzakalela kwemisebenzi yokuphatha inethiwekhi manje kubonakala kuwumsebenzi ophuthumayo kakhulu, ngakho ukuhleleka kusebenza njengentambo ebomvu kuyo yonke imikhiqizo yenethiwekhi yenkampani yakwaCisco. Njengesibonelo sokusebenzisa i-API, umuntu angacabanga ukusebenzisana kwesilawuli ngohlelo lokuphathwa kwesevisi ye-IT (ITSM), lapho isilawuli sithumela khona izibalo kumadivayisi eklayenti kanye nezindawo zokufinyelela, futhi sithola kuyo ukugunyazwa kwezikhala zesikhathi izibuyekezo zesofthiwe. Uhlelo lusiza ukubhala imibhalo , okufaka izincazelo ze-API, ukuqeqeshwa, ibhokisi lesihlabathi, kanye nomphakathi wochwepheshe ukuze usekele labo ababhala amakhodi ezinto zokusebenza ze-Cisco.
Amamodeli atholakalayo:
- ku-hardware - lezi yi-Cisco C9800-80 ne-C9800-40 ene-uplinks ye-80 ne-40 Gb / s, ngokulandelana, kanye nenketho ehlangene yamanethiwekhi amancane i-Cisco C9800-L ene-uplink ye-20 Gb / s,
- Izinketho zesofthiwe ye-Cisco C9800-CL zifakwe kumafu ayimfihlo nesesidlangalaleni, ekushintsheni kwe-Catalyst 9K, noma endaweni yokufinyelela ngenketho ye-C9800 Embedded Wireless Controller.
Kumanethiwekhi akhona, kubalulekile ukuthi abalawuli abasha basekele izizukulwane ezi-2 zangaphambilini zezindawo zokufinyelela, ukuze zisetshenziswe ngokuphephile futhi zidlulele kwezinye izingxenye.
Esikhathini esizayo esiseduze, izikhathi ezijulile zokufinyelela okungenantambo zizokwenzeka njengengxenye - umphakathi onolwazi wochwepheshe benethiwekhi yezinkampani. Sijoyine!
Amadokhumenti Engeziwe
Source: www.habr.com