Kwa chaka tsopano takhala tikumva za ubwino wa kusintha kwa Wi-Fi 6 kuchokera pamalingaliro aukadaulo. kupanga zikhalidwe zotsimikizira zida zoyankhulirana.
Ndidzayang'ana pa zomwe, kuwonjezera pa muyezo, wogulitsa wamkulu pamakampani opanga ma waya opanda zingwe, kampani yomwe ndakhala ndikugwira ntchito kwa zaka pafupifupi 12, imapereka - Cisco. Ndi zomwe zili kunja kwa muyezo zomwe zimayenera kusamala kwambiri, ndipo apa ndipamene mipata yosangalatsa imapezeka.
Tsogolo la Wi-Fi 6 likuwoneka bwino kale:
- Wi-Fi ndiye ukadaulo wodziwika kwambiri wopanda zingwe ndi kuchuluka kwa zida zomwe zimagwiritsidwa ntchito. Chipset yotsika mtengo imalola kuti ikhale yophatikizidwa m'mamiliyoni a zida zotsika mtengo za IoT, ndikupititsa patsogolo kukhazikitsidwa kwake. Pakadali pano, zida zingapo zomaliza zimathandizira kale Wi-Fi 6.
- ndi zimene sizinachitikepo nβkale lonse. FCC ikugawa 1200 MHz yowonjezera kuti igwiritse ntchito kwaulere, zomwe zidzakulitsa kwambiri mphamvu za Wi-Fi 6, komanso matekinoloje otsatila, monga Wi-Fi 7 yomwe yafotokozedwa kale. ndi kupezeka kwa sipekitiramu zambiri, amatseguladi mwayi waukulu. Dziko lirilonse liri ndi malamulo ake ndipo ku Russian Federation mpaka pano palibe nkhani yomwe yamveka ponena za kutulutsidwa kwa 6 GHz, koma tiyeni tiyembekezere kuti kayendetsedwe ka dziko lonse lapansi sikudzadziwika kwa ife.
- mogwirizana ndi Wi-Fi 6 pali wamphamvu ntchito polumikizana ndi ma network a 5G mafoni, mwachitsanzo, Open Roaming initiative, yomwe imalonjeza ntchito zatsopano zosangalatsa zomwe zimagwira ntchito pamanetiweki osiyanasiyana osazindikirika ndi ogwiritsa ntchito. Njira yoperekera chithandizo kumapeto mpaka kumapeto pamanetiweki am'manja ndi a Wi-Fi yayesedwa nthawi zambiri, koma sizinachitikepo mpaka pano.
Cisco Catalyst 9100 Series Wi-Fi 6 Access Points
Malo olowera mulingo watsopano amasiyana pamapangidwe. Mndandanda wonsewo ndi wofanana ndi maonekedwe, amasiyana ndi kukula kwake. Mfundozo zimagwiritsa ntchito chomangira chimodzi, kotero zimakhala zosavuta kusintha zina ndi zina.
Malo onse ofikira a Cisco Wi-Fi 6 ali ofanana:
- Satifiketi ya Wi-Fi 6 ilipo
- kuthandizira kwa 802.11ax m'magulu onse awiri - 2.4 GHz ndi 5 GHz.
- Thandizo la OFDMA mu uplink ndi downlink
- kuthandizira kwa MU-MIMO mu uplink ndi downlink kuti mugwirizane nthawi imodzi ndi gulu la zipangizo zamakasitomala pogwiritsa ntchito mitsinje yosiyana.
- mtengo BSS utoto muzithunzi za HD ndizovuta kuziganizira. Ukadaulo womwe wayembekezeredwa kwa nthawi yayitali, wobwerekedwa kumanetiweki am'manja, umapambana muzochitika zochulukira kwambiri pomwe pali zida zawayilesi zapafupi zomwe zimagawana tchanelo chomwecho.
Kupaka utoto wa BSS ndikutha kwa malo olumikizirana ndi makasitomala ake kuti azingomvera okha ndikunyalanyaza ena. Zotsatira zake, mphamvu yogwiritsira ntchito airtime imawonjezeka, chifukwa mawayilesi samaganiziridwa kukhala otanganidwa pamene makasitomala a anthu ena ndi malo ofikira amawagwiritsa ntchito. M'mbuyomu, zojambula za HD zidagwiritsa ntchito tinyanga zolunjika ndi njira ya RX-SOP. Komabe, utoto wa BSS ndiwothandiza kwambiri kuposa njira izi. Dongosolo la kugundana kwa -82dBm limatha kubisala mpaka 100 metres, ndipo malire a 72dBm pomwe kulumikizana kukadali kothandiza kumakhala kochepa kwambiri. Chotsatira chake, makasitomala, akumva ena, amakhala chete ndipo samalankhulana.
- Target Wake Time - Kukonzekera ndandanda yapamlengalenga ndi zida m'malo mogwiritsa ntchito njira yogundana ya Mverani-Before-Talk. Chipangizocho chitha kuyikidwa mu hibernation kwa nthawi yayitali, mpaka zaka zingapo, ndikupulumutsa moyo wa batri ndi nthawi yopuma, zomwe poyamba zinkafunidwa ndi mauthenga okhazikika.
- umisiri chitetezo chomangidwa Amakulolani kuti mutsimikizire kuti chipangizo cha kasitomala ndichomwe chimadzinenera, kuti palibe amene adasokoneza makina ake ogwiritsira ntchito, komanso kuti sichimatengera munthu wina kuti alowe pa intaneti.
- Cisco Embedded Wireless Controller thandizo, mapulogalamu Wowongolera opanda zingwe akugwira ntchito molunjika pamalo olowera. EWC imapereka kasamalidwe ka malo ofikira popanda kufunikira kogula ndikusunga chowongolera chopanda zingwe. Yankho ili ndilabwino kwa ma network omwe amagawidwa ndi mabungwe omwe ali ndi zida zochepa za IT. Ndi EWC, mutha kuyambitsa netiweki mumayendedwe ochepa chabe kuchokera pa pulogalamu yam'manja. Magwiridwe a EWC amafananiza luso lapamwamba la wowongolera opanda zingwe wamabizinesi wopanda zingwe.
- Kuthetsa mavuto mwadongosolo ndi makina oyang'anira maukonde amaperekedwa ndikugwiritsa ntchito kamangidwe ka Cisco DNA. Malo ofikira amapereka kusanthula kwakuzama kwa ma airwaves, maukonde ndi zida zamakasitomala ku DNA Center. Zotsatira zake, maukonde amadzizindikira okha ndikuwonetsa zolakwika, kulola kuwongolera mwachangu musanakhutire kasitomala wosakhutira. Kuwongolera kolowera kumachitidwa kwa magulu ogwiritsira ntchito, poganizira za kugwirizana - mtundu wa chipangizo, mlingo wa chitetezo cha kugwirizana, ntchito yofunsidwa, ntchito ya wogwiritsa ntchito, ndi zina ... network.
- Wokometsedwa ntchito ndi Apple ndi Samsung zipangizo (ndipo mndandandawo udzakulitsidwa). M'mbuyomu, Cisco idangopereka kulumikizidwa kwa Wi-Fi kwa zida za Apple. Kukhathamiritsa kunali kugwirizanitsa kukhazikitsidwa kwa kulumikizana kwa Wi-Fi pakati pa ma network ndi zida zomaliza kuti zithandizire kulumikizana kwa chipangizocho ndi netiweki - kusankha malo ofikira apafupi komanso ocheperako, kuyendayenda mwachangu, kuyika patsogolo ntchito pamaneti opanda zingwe kuyambira pomwe mapaketi ali. yaimiridwa kuti itumizidwe pawailesi. Mgwirizanowu tsopano wakulitsidwa ndipo zida za Samsung zimapindulanso ndi kulumikizana koyenera.
Nyenyezi ya mbiriyo ndi Cisco Catalyst 9130 Series Access Point. Malo ofikirawa adapangidwira mabungwe akulu omwe amagwiritsa ntchito IoT mwachangu. Ndilo malo odalirika kwambiri, opindulitsa, otetezeka komanso anzeru.
Cisco Catalyst 9130 Series Wi-Fi 6
C9130 imagwiritsa ntchito mawayilesi anayi a Wi-Fi, omwe amatha kusintha kukhala 4 pomwe wailesi ya 5x8 mu band ya 8GHz imagwiritsidwa ntchito pawailesi yapawiri ya 5x4. Gawoli limatchedwa Flexible Radio Assignment (FRA), limalola malo ofikirako kuti asankhe mozama kuti ndi njira iti yomwe ili yabwino kwambiri yogwiritsira ntchito potengera kuchuluka kwazomwe zikuchitika komanso kusokonezedwa. Mwachikhazikitso, mfundoyi imagwira ntchito mu 4 radio mode - 8x8 pa 5GHz ndi 4x4 pa 2.4GHz. Koma pamene katundu wa netiweki ukuwonjezeka kapena pali kusokoneza mkulu, pamene n'zothandiza kwambiri kugwiritsa ntchito njira yopapatiza, mfundo akhoza reconfigure kwa opareshoni akafuna 3 wailesi machitidwe ndi kuonjezera ntchito maukonde kulumikiza zipangizo zambiri kapena agwirizane ndi kusokoneza chitsanzo panopa.
Mwachikhalidwe, Cisco imapanga chipset chake - Chithunzi cha Cisco RF ASIC - kwa mayankho apamwamba opanda zingwe. Tidafika pamalingaliro awa pomwe ntchito zowunikira mawayilesi awayilesi wamba zidayamba kudya nthawi yayitali kuchokera pakuthandiza makasitomala. Cisco RF ASIC ili ndi wailesi yowonjezerapo kuti azindikire zosokoneza, kukonza bwino wailesi, IPS ntchito - ndizofunikira kwambiri kuonetsetsa chitetezo m'mabungwe akuluakulu, kuti mudziwe komwe makasitomala ali. Ntchito zowunikira ma sipekitiramu zikasunthidwa ku wayilesi yodzipereka, nthawi yomweyo timawona kuwonjezeka kwa magwiridwe antchito a AP pafupifupi 25%.
Multigigabit port ndi magwiridwe antchito a 5 Gb / s amakulolani kusamutsa magalimoto osonkhanitsidwa popanda botolo.
Intelligent Capture imayesa maukonde nthawi zonse ndikutumiza zotsatira zakuya zowunikira ku Cisco DNA Center, imazindikira zosokoneza za 200, imasanthula kuchuluka kwa magalimoto pamtunda wa paketi, kukhala ngati woyang'anira maukonde omangidwa. Izi zimachitika popanda kuchepetsa zokolola za makasitomala.
Cisco Catalyst 9130 Access Point ndiyoyamba kugwira ntchito 8x8 yokhala ndi tinyanga zakunja. Kulumikiza mlongoti wapadera wotere, cholumikizira chapadera chanzeru chimagwiritsidwa ntchito; ndi chomwe chimakutidwa ndi chivundikiro chachikasu pachithunzichi. Antenna yakunja imalola kuti mapangidwe ovuta a wailesi akhazikitsidwe m'malo okhala ndi kachulukidwe - mabwalo amasewera, makalasi, ndi zina. Ma LED okhazikika a malo olowera alinso pa antenna yakunja, yomwe imakulolani kuti muwone mwachangu momwe zida zimagwirira ntchito pamalowo. Chosangalatsa ndichakuti, mlongoti wanthawi zonse waofesi nthawi ino uli ndi kukongola kofanana ndi dontho - yang'anani chithunzi chomwe chili pansipa ndikuyesera kupeza 3 kusiyana!
Njira zazikulu zothandizidwa ndi 160 MHz.
Wailesi ya 5 pamalo ofikira ndi Bluetooth Low Energy (BLE) 5 kuti mugwiritse ntchito munkhani za IoT, mwachitsanzo, kutsata mayendedwe a zida zolembedwa ndi BLE ndi anthu kapena kuyendayenda mchipinda. Mfundoyi imathandizanso kugwirizana kwa ma protocol a 802.15.4, mwachitsanzo Zigbee mwachitsanzo, kugwira ntchito ndi Imagotag tags zamagetsi zamagetsi.
Kuphatikiza pa nkhaniyi, IoT imathandizidwa kutumizira chidebe cha mapulogalamu mwachindunji pamalo olowera, zomwe zingakhale zothandiza kwambiri ndi zizindikiro zamtengo wamagetsi zomwezo.
Yachiwiri pamzerewu ndi malo ofikira a Cisco Catalyst 9120. Ntchito zake ndizochepa pang'ono poyerekeza ndi Cisco Catalyst 9130, chifukwa si nyenyezi, koma asterisk. Koma ntchito zomwe zilipo ndizo zonse zomwe makampani ambiri amafunikira. Imagwiritsa ntchito nsanja yofananira ndi Cisco Catalyst 9130 ndipo ndi malo otchuka kwambiri ogwiritsira ntchito mabizinesi.
Cisco Catalyst 9120 Series Wi-Fi 6 Access Point
Radio point S9120 imagwira ntchito molingana ndi dongosolo 4 Γ 4 + 4 Γ 4, ndipo pali zosankha zoyatsa ma wayilesi onse pa 5 GHz kuti muwonjezere magwiridwe antchito kapena ntchito mu mtundu wamba - 5 GHz ndi 2.4 GHz (ntchito ya FRA). Magwiridwe a FRA adayambitsidwa koyamba m'badwo wam'mbuyo wa Cisco Aironet 2800 ndi 3800 malo ofikira ndipo wachita bwino m'munda. Malo ofikira a C9120 amapanga 4 mitsinje yapakatikati pa wailesi.
Pali zosankha zokhala ndi tinyanga zamkati ndi zakunja, imodzi mwa tinyangayo ndi yoyika akatswiri, iyi ndi tinyanga yamphamvu, yolunjika kwambiri pazovuta zapadera, monga mabwalo amasewera, zipinda zokhala ndi denga lalitali.
Kuchokera pakugwira ntchito kwa Cisco Catalyst 9130 tafotokozazi, Catalyst 9120 imathandizira: Cisco RF ASIC, FRA, cholumikizira chanzeru cha Smart Antenna, njira zazikulu za 160 MHz, Intelligent Capture, Integrated BLE 5 (komanso Zigbee), chothandizira chotengera.
Kusiyanasiyana: doko la gigabit yambiri yokhala ndi 2.5 GB/s.
Demokalase kwambiri (mpaka pano!) Komabe yosangalatsa kwambiri potengera magwiridwe antchito ndi mawonekedwe ake ndi Cisco Catalyst 9115 mndandanda.
Cisco Catalyst 9115 Series Wi-Fi 6 Access Point
Kusiyana kwakukulu pakati pa malo ofikirawa ndikugwiritsa ntchito ma chipsets amakampani.
Chiwembu chogwiritsira ntchito ndi 4x4 pa 5 GHz ndi 4x4 pa 2.4 GHz. Amapezeka ndi tinyanga zamkati ndi zakunja.
Kuchokera ku machitidwe omwe akufotokozedwa kwa zitsanzo zakale mu mndandanda wa Catalyst 9115, imathandizira: Intelligent Capture, Integrated BLE 5, doko la gigabit yambiri ndi ntchito ya 2.5 GB / s.
Kutoleredwa kwa malo atsopano olowera sikukanatha popanda Cisco Catalyst 9800 Series Wireless Controller.
Cisco Catalyst 9800 Wireless LAN Controllers
Owongolera a C9800 amakhala ndi zosintha zingapo zofunika:
- Kuwonjezeka kwa kupezeka - zosintha zamapulogalamu pa olamulira ndi malo olowera, kulumikiza malo atsopano olowera amachitidwa popanda kusokoneza utumiki wa netiweki.
- Chitetezo - magwiridwe antchito amathandizidwa kuzindikira kwa pulogalamu yoyipa mu traffic encrypted (ETA), komanso machitidwe osiyanasiyana otetezedwa kuti atsimikizire kuti chipangizocho sichikugwedezeka komanso kuti ndi ndani.
- Wowongolera amamangidwa pa Cisco IOS XE opareting'i sisitimu, yomwe imapereka seti ya API yophatikiza ndi machitidwe achitatu ndikukhazikitsa magawo atsopano a automation. Kukonzekera kwa ntchito zoyang'anira maukonde tsopano kukuwoneka ngati ntchito yofunika kwambiri, kotero kusinthika kumayendera ngati ulusi wofiira kudzera muzinthu zonse zapaintaneti za Cisco. Monga chitsanzo chogwiritsira ntchito API, munthu akhoza kulingalira kuyanjana kwa wolamulira ndi ITSM service management system (ITSM), yomwe woyang'anira amatumiza analytics pa zipangizo za kasitomala ndi malo olowera, ndipo amalandira kuchokera kwa izo kuvomereza kwa nthawi yofikira. zosintha zamapulogalamu. Pulogalamuyi imathandizira kulemba zolemba , zomwe zimaphatikizapo mafotokozedwe a API, maphunziro, sandbox, ndi gulu la akatswiri kuti athandize omwe amalemba zizindikiro za zipangizo za Cisco.
Mitundu yomwe ilipo:
- mu hardware - awa ndi Cisco C9800-80 ndi C9800-40 ndi uplinks wa 80 ndi 40 Gb / s, motero, ndi njira yaying'ono kwa maukonde ang'onoang'ono Cisco C9800-L ndi uplink wa 20 Gb/s,
- Zosankha zamapulogalamu a Cisco C9800-CL zoyikidwa mumtambo wachinsinsi komanso wapagulu, pa switch ya Catalyst 9K, kapena pamalo olowera ndi njira ya C9800 Embedded Wireless Controller.
Kwa maukonde omwe alipo, ndikofunikira kuti olamulira atsopano azithandizira mibadwo iwiri yapitayi ya malo olowera, kuti athe kukhazikitsidwa bwino ndikusamuka.
Posachedwapa, magawo ozama pakupeza opanda zingwe adzachitika ngati gawo la - gulu lodziwitsidwa la akatswiri amakampani amtaneti. Titsatireni!
Zolemba Zowonjezera
Source: www.habr.com