{"id":82828,"date":"2020-05-25T13:42:21","date_gmt":"2020-05-25T11:42:21","guid":{"rendered":"https:\/\/prohoster.info\/blog\/administrirovanie\/svezhie-fishechki-cisco-wi-fi-6"},"modified":"2020-05-25T13:42:21","modified_gmt":"2020-05-25T11:42:21","slug":"svezhie-fishechki-cisco-wi-fi-6","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/administrirovanie\/svezhie-fishechki-cisco-wi-fi-6","title":{"rendered":"Novinky Cisco Wi-Fi 6","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"Novinky Cisco Wi-Fi 6\" src=\"\/wp-content\/uploads\/2020\/05\/25541729b3e0b7084767e9d819318b31.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nU\u017e rok sly\u0161\u00edme o v\u00fdhod\u00e1ch revolu\u010dn\u00edho technologick\u00e9ho standardu Wi-Fi 6. \u010cesk\u00e1 legislativa se k tomuto standardu dost\u00e1v\u00e1 na f\u00e1zi schvalov\u00e1n\u00ed a za n\u011bkolik m\u011bs\u00edc\u016f vstoup\u00ed v platnost, co\u017e vytvo\u0159\u00ed podm\u00ednky pro certifikaci komunika\u010dn\u00edch prost\u0159edk\u016f.<\/p>\n<p>Zam\u011b\u0159\u00edm se na to, co krom\u011b standardu nab\u00edz\u00ed p\u0159edn\u00ed dodavatel v oblasti podnikov\u00fdch bezdr\u00e1tov\u00fdch s\u00edt\u00ed, spole\u010dnost, ve kter\u00e9 pracuji u\u017e t\u00e9m\u011b\u0159 12 let \u2014 Cisco. To, co je mimo r\u00e1mec standardu, si zaslou\u017e\u00ed zv\u00fd\u0161enou pozornost, pr\u00e1v\u011b zde se projevuj\u00ed zaj\u00edmav\u00e9 mo\u017enosti.<\/p>\n<p>Budoucnost Wi-Fi 6 se u\u017e nyn\u00ed jev\u00ed jako slibn\u00e1: <\/p>\n<ul>\n<li><b>Wi-Fi je nejobl\u00edben\u011bj\u0161\u00ed technologie bezdr\u00e1tov\u00e9ho p\u0159\u00edstupu<\/b> podle po\u010dtu pou\u017e\u00edv\u00e1n\u00fdch za\u0159\u00edzen\u00ed. Relativn\u011b levn\u00fd \u010dipset umo\u017e\u0148uje integrovat ho do milion\u016f levn\u00fdch IoT za\u0159\u00edzen\u00ed, co\u017e p\u0159isp\u00edv\u00e1 k jeho dal\u0161\u00edmu roz\u0161\u00ed\u0159en\u00ed. V sou\u010dasnosti ji\u017e des\u00edtky r\u016fzn\u00fdch koncov\u00fdch za\u0159\u00edzen\u00ed podporuj\u00ed Wi-Fi 6.<\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/blogs.cisco.com\/gov\/fccs-6ghz-proposal-marks-the-next-great-leap-in-wireless-technology\"><b>novinka o v\u00fdvoji Wi-Fi 6 v p\u00e1smu 6 GHz<\/b><\/a><\/noindex> je skute\u010dn\u011b bezprecedentn\u00ed. FCC vy\u010dle\u0148uje dal\u0161\u00edch 1200 MHz pro bezlicen\u010dn\u00ed vyu\u017eit\u00ed, co\u017e podstatn\u011b roz\u0161\u00ed\u0159\u00ed mo\u017enosti Wi-Fi 6 a tak\u00e9 n\u00e1sledn\u00fdch technologi\u00ed, jako je ji\u017e diskutovan\u00e9 Wi-Fi 7. Mo\u017enosti zaru\u010dit v\u00fdkon aplikac\u00ed, spojen\u00e9 s dostupnost\u00ed \u0161irok\u00e9ho spektra, opravdu otev\u00edraj\u00ed obrovsk\u00e9 perspektivy. V ka\u017ed\u00e9 zemi plat\u00ed sv\u00e9 regulace a v \u010cR zat\u00edm o osvobozen\u00ed 6 GHz nesly\u0161\u00edme, ale budeme doufat, \u017ee glob\u00e1ln\u00ed hnut\u00ed nep\u0159ejde nezpozorov\u00e1no i u n\u00e1s. <noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/li>\n<li>v souvislosti s Wi-Fi 6 prob\u00edh\u00e1 intenzivn\u00ed <b>aktivity pro spolupr\u00e1ci s mobiln\u00edmi s\u00edt\u011bmi 5G<\/b>, nap\u0159\u00edklad iniciativa Open Roaming, co\u017e slibuje nov\u00e9 zaj\u00edmav\u00e9 slu\u017eby funguj\u00edc\u00ed nap\u0159\u00ed\u010d r\u016fzn\u00fdmi s\u00edt\u011bmi neviditeln\u011b pro u\u017eivatele. P\u0159\u00edstup k zaji\u0161t\u011bn\u00ed slu\u017eeb jak v mobiln\u00edch, tak Wi-Fi s\u00edt\u00edch byl mnohokr\u00e1t zkoum\u00e1n, ale nikdy se v tomto sm\u011bru nepostoupilo tak daleko. <\/li>\n<\/ul>\n<p><\/p>\n<h2>P\u0159\u00edstupov\u00e9 body Cisco Catalyst s\u00e9rie 9100 Wi-Fi 6<\/h2>\n<p>\n<img decoding=\"async\" alt=\"Novinky Cisco Wi-Fi 6\" src=\"\/wp-content\/uploads\/2020\/05\/348e0ff4854e73a4e9dc38b91324112b.jpg\" style=\"display:block;margin: 0 auto;\" \/> P\u0159\u00edstupov\u00e9 body nov\u00e9 generace se li\u0161\u00ed sv\u00fdm designem. Cel\u00e1 s\u00e9rie m\u00e1 jednotn\u00fd vzhled, li\u0161\u00ed se pouze velikost\u00ed. Bodov\u00e9 za\u0159\u00edzen\u00ed pou\u017e\u00edvaj\u00ed spole\u010dn\u00e9 upevn\u011bn\u00ed, proto je snadn\u00e9 nahradit jeden druh\u00fdm.<\/p>\n<p><b>V\u0161echny p\u0159\u00edstupov\u00e9 body Cisco Wi-Fi 6 spojuje: <\/b><\/p>\n<ul>\n<li>p\u0159\u00edtomnost certifikace Wi-Fi 6 <\/li>\n<li>podpora 802.11ax ve v\u0161ech p\u00e1smech \u2013 2,4 GHz a 5 GHz. <\/li>\n<li>podpora OFDMA v uplink a downlink<\/li>\n<li>podpora MU-MIMO v uplink a downlink pro sou\u010dasnou interakci s skupinou klientsk\u00fdch za\u0159\u00edzen\u00ed rozd\u011blen\u00fdmi prostorov\u00fdmi toky<\/li>\n<\/ul>\n<p>\n<img decoding=\"async\" alt=\"Novinky Cisco Wi-Fi 6\" src=\"\/wp-content\/uploads\/2020\/05\/e9fc47d05d6a8befcec63d2da1db4a4f.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<ul>\n<li> Hodnota <b>BSS coloring<\/b> v HD sc\u00e9n\u00e1\u0159\u00edch je t\u011b\u017ek\u00e9 p\u0159ece\u0148ovat. Tato dlouho o\u010dek\u00e1van\u00e1 technologie, p\u0159evzat\u00e1 z mobiln\u00edch s\u00edt\u00ed, exceluje ve sc\u00e9n\u00e1\u0159\u00edch s vysokou hustotou, kdy se vedle sebe nach\u00e1zej\u00ed r\u00e1diov\u00e1 za\u0159\u00edzen\u00ed pou\u017e\u00edvaj\u00edc\u00ed stejn\u00fd r\u00e1diov\u00fd kan\u00e1l.\n<p>BSS coloring je schopnost p\u0159\u00edstupov\u00e9ho bodu seskupit sv\u00e9 klienty tak, aby sledovali pouze sv\u00e9 a ignorovali ciz\u00ed. To zvy\u0161uje efektivitu vyu\u017eit\u00ed vzdu\u0161n\u00e9ho \u010dasu, proto\u017ee vzduch nen\u00ed pova\u017eov\u00e1n za obsazen\u00fd, kdy\u017e ho pou\u017e\u00edvaj\u00ed ciz\u00ed klienti a p\u0159\u00edstupov\u00e9 body. D\u0159\u00edve se v HD sc\u00e9n\u00e1\u0159\u00edch pou\u017e\u00edvaly sm\u011brov\u00e9 ant\u00e9ny a mechanismus RX-SOP. Nicm\u00e9n\u011b, BSS coloring v\u00fdrazn\u011b p\u0159ed\u010d\u00ed tyto metody v \u00fa\u010dinnosti. Prah kolizn\u00ed dom\u00e9ny na \u00farovni -82 dBm m\u016f\u017ee pokr\u00fdt a\u017e 100 metr\u016f, a prah 72 dBm, kdy je komunikace st\u00e1le efektivn\u00ed, je mnohem ni\u017e\u0161\u00ed. To m\u00e1 za n\u00e1sledek, \u017ee klienti, sly\u0161\u00edce ostatn\u00ed, ztichnou a nep\u0159en\u00e1\u0161ej\u00ed.<\/li>\n<li><b>Target Wake Time<\/b> \u2013 pl\u00e1nov\u00e1n\u00ed harmonogramu vys\u00edl\u00e1n\u00ed s za\u0159\u00edzen\u00edmi m\u00edsto d\u0159\u00edve pou\u017e\u00edvan\u00e9 kolizn\u00ed metody Listen-Before-Talk. Za\u0159\u00edzen\u00ed lze um\u00edstit do sp\u00e1nku na dlouhou dobu, a\u017e n\u011bkolik let, a \u0161et\u0159it tak bateriov\u00e9 zdroje a vzdu\u0161n\u00fd \u010das, kter\u00e9 d\u0159\u00edve vy\u017eadovaly pravideln\u00e9 servisn\u00ed komunikace.<\/li>\n<li>Technologie<b> integrovan\u00e9 bezpe\u010dnosti<\/b> zaji\u0161\u0165uj\u00ed, \u017ee klientsk\u00e9 za\u0159\u00edzen\u00ed skute\u010dn\u011b je t\u00edm, za koho se vyd\u00e1v\u00e1, a \u017ee nikdo nezm\u011bnil jeho opera\u010dn\u00ed syst\u00e9m a nesna\u017e\u00ed se vyd\u00e1vat za jin\u00e9ho s c\u00edlem proniknout do s\u00edt\u011b.<\/li>\n<li>Podpora Cisco Embedded Wireless Controller, SW <b>bezdr\u00e1tov\u00e9ho kontroleru, kter\u00fd pracuje p\u0159\u00edmo na p\u0159\u00edstupov\u00e9m bodu<\/b>. EWC umo\u017e\u0148uje spr\u00e1vu p\u0159\u00edstupov\u00fdch bod\u016f bez nutnosti nakupovat a udr\u017eovat samostatn\u00e9ho bezdr\u00e1tov\u00e9ho kontrolera. Toto \u0159e\u0161en\u00ed je ide\u00e1ln\u00ed pro distribuovan\u00e9 s\u00edt\u011b a organizace s omezen\u00fdmi IT zdroji. Pomoc\u00ed EWC m\u016f\u017eete spustit s\u00ed\u0165 pouze v n\u011bkolika kroc\u00edch p\u0159\u00edmo z mobiln\u00ed aplikace. Funkce EWC napodobuje roz\u0161\u00ed\u0159en\u00e9 mo\u017enosti plnohodnotn\u00e9ho kontroleru bezdr\u00e1tov\u00e9ho p\u0159\u00edstupu podnikov\u00e9 t\u0159\u00eddy.<\/li>\n<li><b>Proaktivn\u00ed vyhled\u00e1v\u00e1n\u00ed poruch<\/b> Automatizace \u0159\u00edzen\u00ed s\u00edt\u011b je zaji\u0161t\u011bna implementac\u00ed architektury Cisco DNA. P\u0159\u00edstupov\u00e9 body poskytuj\u00ed v DNA Center podrobnou anal\u00fdzu stavu r\u00e1diov\u00e9ho spektra, s\u00edt\u011b a klientsk\u00fdch za\u0159\u00edzen\u00ed. V d\u016fsledku toho si s\u00ed\u0165 diagnostikuje sama a ukazuje anom\u00e1lie, co\u017e umo\u017e\u0148uje proaktivn\u00ed hled\u00e1n\u00ed probl\u00e9m\u016f je\u0161t\u011b p\u0159edt\u00edm, ne\u017e z\u00e1kazn\u00edk zavol\u00e1 se st\u00ed\u017enost\u00ed. Spr\u00e1va p\u0159\u00edstupu prob\u00edh\u00e1 pro skupiny u\u017eivatel\u016f s ohledem na kontext p\u0159ipojen\u00ed \u2013 typ za\u0159\u00edzen\u00ed, \u00farove\u0148 zabezpe\u010den\u00ed p\u0159ipojen\u00ed, po\u017eadovanou aplikaci, roli u\u017eivatele atd. T\u00edmto zp\u016fsobem segmentac\u00ed a omezov\u00e1n\u00edm p\u0159\u00edstupu v\u00fdznamn\u011b zvy\u0161ujeme bezpe\u010dnost bezdr\u00e1tov\u00e9 s\u00edt\u011b. <\/li>\n<li><b>Optimalizovan\u00fd v\u00fdkon s za\u0159\u00edzen\u00edmi Apple a Samsung<\/b> (a seznam bude roz\u0161\u00ed\u0159en). D\u0159\u00edve Cisco zaji\u0161\u0165ovalo optimalizovan\u00e9 Wi-Fi p\u0159ipojen\u00ed pouze pro za\u0159\u00edzen\u00ed Apple. Optimalizace spo\u010d\u00edvala v slad\u011bn\u00ed implementace Wi-Fi komunikac\u00ed mezi s\u00ed\u0165ovou infrastrukturou a koncov\u00fdmi za\u0159\u00edzen\u00edmi pro optimalizaci p\u0159ipojen\u00ed za\u0159\u00edzen\u00ed k s\u00edti \u2013 v\u00fdb\u011br nejbli\u017e\u0161\u00ed a nejm\u00e9n\u011b zat\u00ed\u017een\u00e9 p\u0159\u00edstupov\u00e9 body, rychl\u00e9 p\u0159ep\u00edn\u00e1n\u00ed, priorizace aplikace v bezdr\u00e1tov\u00e9 s\u00edti od okam\u017eiku za\u0159azen\u00ed paket\u016f do fronty na p\u0159enos v r\u00e1diov\u00e9m spektru na mobiln\u00edm za\u0159\u00edzen\u00ed. Nyn\u00ed bylo toto partnerstv\u00ed roz\u0161\u00ed\u0159eno a za\u0159\u00edzen\u00ed Samsung tak\u00e9 vyu\u017e\u00edvaj\u00ed v\u00fdhod optim\u00e1ln\u00edho p\u0159ipojen\u00ed.<\/li>\n<\/ul>\n<p>\n<i>Hv\u011bzda v portfoliu \u2013 p\u0159\u00edstupov\u00fd bod Cisco Catalyst 9130 Series Access Point. Tento p\u0159\u00edstupov\u00fd bod je ur\u010den pro velk\u00e9 korporace, kter\u00e9 aktivn\u011b pou\u017e\u00edvaj\u00ed IoT. Je to nejspolehliv\u011bj\u0161\u00ed, nejv\u00fdkonn\u011bj\u0161\u00ed, nejbezpe\u010dn\u011bj\u0161\u00ed a nejinteligentn\u011bj\u0161\u00ed p\u0159\u00edstupov\u00fd bod.<\/i><\/p>\n<h2>Cisco Catalyst s\u00e9rie 9130 Wi-Fi 6<\/h2>\n<p>\nC9130 pou\u017e\u00edv\u00e1 4 Wi-Fi r\u00e1dia, kter\u00e9 se mohou transformovat na 5, kdy se 8x8 r\u00e1dio v p\u00e1smu 5 GHz pou\u017e\u00edv\u00e1 v re\u017eimu dvou r\u00e1di\u00ed 4x4. Toto rozd\u011blen\u00ed se naz\u00fdv\u00e1 Flexible Radio Assignment (FRA) a umo\u017e\u0148uje p\u0159\u00edstupov\u00e9mu bodu dynamicky rozhodovat, v jak\u00e9m re\u017eimu je lep\u0161\u00ed pracovat p\u0159i aktu\u00e1ln\u00edm zat\u00ed\u017een\u00ed a ru\u0161en\u00ed. Ve v\u00fdchoz\u00edm stavu pracuje p\u0159\u00edstupov\u00fd bod v re\u017eimu 2x r\u00e1dio \u2013 <b>8x8 v 5 GHz a 4x4 v 2.4 GHz<\/b>Av\u0161ak p\u0159i zv\u00fd\u0161en\u00e9m zat\u00ed\u017een\u00ed s\u00edt\u011b nebo vysok\u00e9m po\u010dtu ru\u0161en\u00ed, kdy by efektivn\u011bj\u0161\u00ed bylo vyu\u017eit\u00ed u\u017e\u0161\u00edch kan\u00e1l\u016f, se p\u0159\u00edstupov\u00fd bod m\u016f\u017ee p\u0159eprogramovat do re\u017eimu s 3 r\u00e1diov\u00fdmi syst\u00e9my a zv\u00fd\u0161it tak v\u00fdkon s\u00edt\u011b pro p\u0159ipojen\u00ed v\u011bt\u0161\u00edho po\u010dtu za\u0159\u00edzen\u00ed nebo se p\u0159izp\u016fsobit aktu\u00e1ln\u00edmu stavu ru\u0161en\u00ed. <\/p>\n<p>Tradicionaln\u011b Cisco vyv\u00edj\u00ed vlastn\u00ed \u010dipset \u2014 <b>Cisco RF ASIC<\/b> \u2014 pro \u0161pi\u010dkov\u00e1 bezdr\u00e1tov\u00e1 \u0159e\u0161en\u00ed. K tomu do\u0161li, kdy\u017e \u00fakoly analyzov\u00e1n\u00ed r\u00e1diov\u00e9ho spektra na b\u011b\u017en\u00e9 r\u00e1diov\u00e9 frekvenci za\u010daly zab\u00edrat podstatnou \u010d\u00e1st \u010dasu p\u0159i obsluze z\u00e1kazn\u00edk\u016f. Cisco RF ASIC m\u00e1 dal\u0161\u00ed r\u00e1dio pro detekci ru\u0161en\u00ed, optim\u00e1ln\u00ed r\u00e1diov\u00e9 pl\u00e1nov\u00e1n\u00ed, <b>\u00fakoly IPS<\/b> \u2014 naprosto nezbytn\u00e9 pro zaji\u0161t\u011bn\u00ed bezpe\u010dnosti ve velk\u00fdch korporac\u00edch, pro ur\u010den\u00ed polohy z\u00e1kazn\u00edk\u016f. Kdy\u017e se \u00fakoly anal\u00fdzy spektra p\u0159esunou na vyhrazen\u00e9 r\u00e1dio, ihned pozorujeme zv\u00fd\u0161en\u00ed v\u00fdkonu p\u0159\u00edstupov\u00e9ho bodu p\u0159ibli\u017en\u011b o 25 %.<br \/>\n<b>Multigigabitov\u00fd port<\/b> s v\u00fdkonem 5 Gb\/s umo\u017e\u0148uje p\u0159en\u00e1\u0161et shrom\u00e1\u017ed\u011bn\u00fd provoz bez \u00fazk\u00e9ho hrdla. <\/p>\n<p><b>Intelligent Capture neust\u00e1le testuje s\u00ed\u0165 <\/b>a odes\u00edl\u00e1 do Cisco DNA Center v\u00fdsledky hlubok\u00e9 anal\u00fdzy, detekuje v\u00edce ne\u017e 200 anom\u00e1li\u00ed, analyzuje provoz na \u00farovni paket\u016f a funguje jako integrovan\u00fd s\u00ed\u0165ov\u00fd administr\u00e1tor. Toto v\u0161e prob\u00edh\u00e1 bez sn\u00ed\u017een\u00ed v\u00fdkonu obsluhy z\u00e1kazn\u00edk\u016f.<\/p>\n<p><img decoding=\"async\" alt=\"Novinky Cisco Wi-Fi 6\" src=\"\/wp-content\/uploads\/2020\/05\/7eba2db48aedf4d6880329523285b80a.jpg\" style=\"display:block;margin: 0 auto;\" \/> P\u0159\u00edstupov\u00fd bod Cisco Catalyst 9130 \u2014 prvn\u00ed v oboru, kter\u00fd pracuje v re\u017eimu <b>8x8 s extern\u00edmi ant\u00e9nami.<\/b>Pro p\u0159ipojen\u00ed tak speci\u00e1ln\u00ed ant\u00e9ny se pou\u017e\u00edv\u00e1 speci\u00e1ln\u00ed inteligentn\u00ed konektor, kter\u00fd je zakryt \u017elut\u00fdm v\u00ed\u010dkem na fotografii. Extern\u00ed ant\u00e9na umo\u017e\u0148uje realizovat slo\u017eit\u00fd r\u00e1diov\u00fd design v sc\u00e9n\u00e1\u0159\u00edch s vysokou hustotou \u2014 na stadionech, ve \u0161koln\u00edch u\u010debn\u00e1ch atd. Zn\u00e1m\u00e1 LED dioda p\u0159\u00edstupov\u00fdch bod\u016f je tak\u00e9 k dispozici na extern\u00ed ant\u00e9n\u011b, co\u017e umo\u017e\u0148uje rychle zhodnotit stav za\u0159\u00edzen\u00ed na m\u00edst\u011b. Je zaj\u00edmav\u00e9, \u017ee standardn\u00ed kancel\u00e1\u0159sk\u00e1 ant\u00e9na je tentokr\u00e1t provedena ve stejn\u00e9m designu jako p\u0159\u00edstupov\u00fd bod \u2014 pod\u00edvejte se na fotografii n\u00ed\u017ee a zkuste naj\u00edt 3 rozd\u00edly! <\/p>\n<p>Podporov\u00e1ny jsou nej\u0161ir\u0161\u00ed kan\u00e1ly \u2014 160 MHz. <\/p>\n<p><img decoding=\"async\" alt=\"Novinky Cisco Wi-Fi 6\" src=\"\/wp-content\/uploads\/2020\/05\/315ba39f06932c3ea80fb09d26292052.jpg\" style=\"display:block;margin: 0 auto;\" \/> 5e r\u00e1dio v p\u0159\u00edstupov\u00e9m bod\u011b \u2014 to je <b>Bluetooth Low Energy (BLE) 5<\/b> pro pou\u017eit\u00ed v IoT sc\u00e9n\u00e1\u0159\u00edch, nap\u0159\u00edklad pro sledov\u00e1n\u00ed polohy ozna\u010den\u00e9ho BLE za\u0159\u00edzen\u00ed a lid\u00ed nebo navigaci v budov\u011b. Access point tak\u00e9 podporuje p\u0159ipojen\u00ed protokol\u016f \u0159ady 802.15.4, nap\u0159\u00edklad <b>Zigbee <\/b>pro pr\u00e1ci s elektronick\u00fdmi \u0161t\u00edtky Imagotag. <\/p>\n<p>Na z\u00e1v\u011br IoT sc\u00e9n\u00e1\u0159\u016f se podporuje <b>nasazen\u00ed kontejneru pro aplikace p\u0159\u00edmo na access point<\/b>, co\u017e je velmi u\u017eite\u010dn\u00e9 i pro zm\u00edn\u011bn\u00e9 elektronick\u00e9 \u0161t\u00edtky.<\/p>\n<p><i>Druhou v \u0159ad\u011b je access point Cisco Catalyst 9120. Jeho funk\u010dnost je o n\u011bco omezen\u011bj\u0161\u00ed ve srovn\u00e1n\u00ed s Cisco Catalyst 9130, nebo\u0165 nen\u00ed hv\u011bzdou, ale hv\u011bzdi\u010dkou. Av\u0161ak dostupn\u00e9 funkce jsou v\u0161e, co pot\u0159ebuje st\u0159edn\u011b velk\u00e1 korporace. Pou\u017e\u00edv\u00e1 stejnou hardwarovou platformu jako Cisco Catalyst 9130 a je nejobl\u00edben\u011bj\u0161\u00edm access pointem pro pou\u017eit\u00ed v korporac\u00edch.<\/i><\/p>\n<h2>Access point Cisco Catalyst s\u00e9rie 9120 Wi-Fi 6<\/h2>\n<p>\nR\u00e1dio C9120 funguje podle sch\u00e9matu <b>4\u00d74 + 4\u00d74<\/b>, p\u0159i\u010dem\u017e existuj\u00ed varianty zapnout ob\u011b r\u00e1dia na 5 GHz pro zv\u00fd\u0161en\u00ed v\u00fdkonu nebo pou\u017e\u00edvat standardn\u00ed variantu \u2013 na 5 GHz a 2.4 GHz (funk\u010dnost FRA). Funk\u010dnost FRA byla poprv\u00e9 p\u0159edstavena v p\u0159edchoz\u00edch generac\u00edch access point\u016f Cisco Aironet s\u00e9rie 2800 a 3800 a prok\u00e1zala svou \u00fa\u010dinnost v ter\u00e9nu. Access point C9120 vytv\u00e1\u0159\u00ed <b>4 prostorov\u00e9 toky<\/b> na r\u00e1diu. <\/p>\n<p><img decoding=\"async\" alt=\"Novinky Cisco Wi-Fi 6\" src=\"\/wp-content\/uploads\/2020\/05\/83416d913125830ac7a107b3e77e465c.jpg\" style=\"display:block;margin: 0 auto;\" \/> K dispozici jsou varianty s intern\u00edmi a extern\u00edmi ant\u00e9nami, jedna z ant\u00e9n je pro profesion\u00e1ln\u00ed instalaci, co\u017e je v\u00fdkonn\u00e1 sm\u011brov\u00e1 ant\u00e9na pro speci\u00e1ln\u00ed slo\u017eit\u00e9 situace, nap\u0159\u00edklad na stadionech nebo v m\u00edstnostech s vysok\u00fdmi stropy.<\/p>\n<p>Z funkc\u00ed Cisco Catalyst 9130, jak bylo uvedeno v\u00fd\u0161e, Catalyst 9120 podporuje: Cisco RF ASIC, FRA, inteligentn\u00ed konektor pro Smart Antenna, \u0161irok\u00e9 kan\u00e1ly na 160 MHz, Intelligent Capture, integrovan\u00e9 BLE 5 (tak\u00e9 Zigbee) a podporu kontejner\u016f.<\/p>\n<p>Rozd\u00edly: multigigabitov\u00fd port s v\u00fdkonem 2,5 Gb\/s. <\/p>\n<p><i>Nejdostupn\u011bj\u0161\u00ed (zat\u00edm!) a st\u00e1le velmi zaj\u00edmav\u00e1 z hlediska v\u00fdkonu a funkc\u00ed je Cisco Catalyst s\u00e9rie 9115. <\/i><\/p>\n<h2>Access point Cisco Catalyst s\u00e9rie 9115 Wi-Fi 6 <\/h2>\n<p>\n<img decoding=\"async\" alt=\"Novinky Cisco Wi-Fi 6\" src=\"\/wp-content\/uploads\/2020\/05\/9929269fdf1b89b801ab8d96d0a1e8a7.jpg\" style=\"display:block;margin: 0 auto;\" \/> Hlavn\u00ed rozd\u00edl tohoto access pointu spo\u010d\u00edv\u00e1 v pou\u017e\u00edv\u00e1n\u00ed b\u011b\u017en\u00fdch \u010dipset\u016f v odv\u011btv\u00ed. <br \/>\nFunk\u010dnost \u2013 4x4 na 5 GHz a 4x4 na 2.4 GHz. K dispozici jsou varianty s intern\u00edmi a extern\u00edmi ant\u00e9nami. <\/p>\n<p>Ze funk\u010dnosti popsan\u00e9 pro star\u0161\u00ed modely v \u0159ad\u011b Catalyst 9115 podporuje: Intelligent Capture, integrovan\u00fd BLE 5, multi-gigabitov\u00fd port s v\u00fdkonem 2,5 Gb\/s. <\/p>\n<p><i>Kolekce nov\u00fdch p\u0159\u00edstupov\u00fdch bod\u016f by nebyla kompletn\u00ed bez bezdr\u00e1tov\u00e9ho kontroleru Cisco Catalyst s\u00e9rie 9800.<\/i><\/p>\n<h2>Bezdr\u00e1tov\u00e9 LAN kontrolery Cisco Catalyst 9800. <\/h2>\n<p>\nS\u00e9rie kontroler\u016f C9800 se vyzna\u010duje \u0159adou d\u016fle\u017eit\u00fdch vylep\u0161en\u00ed:<\/p>\n<ul>\n<li>Zv\u00fd\u0161en\u00e1 dostupnost \u2013 <b>aktualizace softwaru<\/b> na kontroleru a p\u0159\u00edstupov\u00fdch bodech, p\u0159ipojen\u00ed nov\u00fdch p\u0159\u00edstupov\u00fdch bod\u016f <b>se prov\u00e1d\u00ed bez p\u0159eru\u0161en\u00ed s\u00ed\u0165ov\u00e9ho servisu.<\/b>. <\/li>\n<li>Bezpe\u010dnost \u2013 podporuje funkci <b>detekce zlovoln\u00e9ho softwaru v \u0161ifrovan\u00e9m provozu (ETA),<\/b>a tak\u00e9 \u0159adu funkc\u00ed vestav\u011bn\u00e9 bezpe\u010dnosti, kter\u00e1 zaji\u0161\u0165uje, \u017ee za\u0159\u00edzen\u00ed nen\u00ed napadeno a je t\u00edm, za koho se vyd\u00e1v\u00e1. <\/li>\n<li>Kontroler je postaven na opera\u010dn\u00edm syst\u00e9mu Cisco IOS XE, kter\u00fd zahrnuje sadu <b>API pro integraci s t\u0159et\u00edmi syst\u00e9my<\/b> a realizaci nov\u00fdch \u00farovn\u00ed automatizace. Automatizace \u00faloh spr\u00e1vy s\u00edt\u011b se nyn\u00ed jev\u00ed jako vysoce aktu\u00e1ln\u00ed \u00fakol, proto programovatelnost proch\u00e1z\u00ed jako \u010derven\u00e1 nit v\u0161emi produkty pro podnikov\u00e9 s\u00edt\u011b Cisco. Jako p\u0159\u00edklad pou\u017eit\u00ed API si m\u016f\u017eeme p\u0159edstavit interakci kontroleru se syst\u00e9mem spr\u00e1vy IT slu\u017eeb (ITSM), do kter\u00e9ho kontroler pos\u00edl\u00e1 anal\u00fdzu klientsk\u00fdch za\u0159\u00edzen\u00ed a p\u0159\u00edstupov\u00fdch bod\u016f, a zp\u011bt od n\u011bj dost\u00e1v\u00e1 schv\u00e1len\u00ed \u010dasov\u00fdch slot\u016f pro proveden\u00ed aktualizace softwaru. Ps\u00e1n\u00ed skript\u016f usnad\u0148uje program <noindex><a rel=\"nofollow\" href=\"https:\/\/developer.cisco.com\/\">Cisco DevNet,<\/a><\/noindex>kter\u00fd zahrnuje popisy API, \u0161kolen\u00ed, sandbox a profesion\u00e1ln\u00ed komunitu na podporu t\u011bch, kte\u0159\u00ed p\u00ed\u0161\u00ed k\u00f3dy pro za\u0159\u00edzen\u00ed Cisco.<\/li>\n<\/ul>\n<p>\n<img decoding=\"async\" alt=\"Novinky Cisco Wi-Fi 6\" src=\"\/wp-content\/uploads\/2020\/05\/61cd3a6c475af72025b90a985b8d775a.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\nDostupn\u00e9 modely: <\/p>\n<ul>\n<li>v hardwaru \u2013 to jsou Cisco C9800-80 a C9800-40 s uplinky 80 a 40 Gb\/s, resp., a kompaktn\u00ed varianta pro mal\u00e9 s\u00edt\u011b Cisco C9800-L s uplinkem 20 Gb\/s,<\/li>\n<li>softwarov\u00e9 varianty Cisco C9800-CL, nasazovan\u00e9 v priv\u00e1tn\u00edm a ve\u0159ejn\u00e9m cloudu, na p\u0159ep\u00edna\u010di Catalyst 9K nebo na p\u0159\u00edstupov\u00e9m bod\u011b ve variant\u011b C9800 Embedded Wireless Controller.<\/li>\n<\/ul>\n<p>\nPro st\u00e1vaj\u00edc\u00ed s\u00edt\u011b je d\u016fle\u017eit\u00e9, \u017ee nov\u00e9 kontrolery podporuj\u00ed 2 p\u0159edchoz\u00ed generace p\u0159\u00edstupov\u00fdch bod\u016f, a proto je lze bez obav implementovat a zab\u00fdvat se postupnou migrac\u00ed.<\/p>\n<p><img decoding=\"async\" alt=\"Novinky Cisco Wi-Fi 6\" src=\"\/wp-content\/uploads\/2020\/05\/67d90730ae81f6f51684cb5d4b106079.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<b><i>V nejbli\u017e\u0161\u00ed dob\u011b se uskute\u010dn\u00ed hloubkov\u00e9 sezen\u00ed o bezdr\u00e1tov\u00e9m p\u0159\u00edstupu v r\u00e1mci <noindex><a rel=\"nofollow\" href=\"http:\/\/cscomarathon.ru\/\">Marat\u00f3nu Cisco Enterprise Networking.<\/a><\/noindex> \u2014 informovan\u00e9 komunity profesion\u00e1l\u016f v podnikov\u00fdch s\u00edt\u00edch. P\u0159ipojte se k n\u00e1m!<\/i><\/b><\/p>\n<p><b>Dal\u0161\u00ed dokumentace<\/b><\/p>\n<ul>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/cisco.webex.com\/cisco\/lsr.php?RCID=95413df49805435a8c27f86d557b1ce4\">Z\u00e1znam webin\u00e1\u0159e \u201eWiFi6 a v\u0161echno, co pot\u0159ebujete v\u011bd\u011bt: p\u0159ehled novinek bezdr\u00e1tov\u00fdch s\u00edt\u00ed od Cisco\u201c<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/en\/company\/cisco\/blog\/500066\/\">Pro\u010d je um\u011bl\u00e1 inteligence d\u016fle\u017eit\u00e1 p\u0159i nasazen\u00ed Wi-Fi 6?<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"http:\/\/www.cisco.com\/c\/en\/us\/products\/collateral\/wireless\/catalyst-9100ax-access-points\/nb-06-cat-9130-ser-ap-ds-cte-en.pdf\">Cisco Catalyst s\u00e9rie 9130<\/a><\/noindex> <\/li>\n<li><noindex><a rel=\"nofollow\" href=\"http:\/\/www.cisco.com\/c\/en\/us\/products\/collateral\/wireless\/catalyst-9120ax-series-access-points\/datasheet-c78-742115.html\">Cisco Catalyst s\u00e9rie 9120<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"http:\/\/www.cisco.com\/c\/en\/us\/products\/collateral\/wireless\/catalyst-9100ax-access-points\/datasheet-c78-741988.html\">Cisco Catalyst s\u00e9rie 9115<\/a><\/noindex> <\/li>\n<li><noindex><a rel=\"nofollow\" href=\"http:\/\/www.cisco.com\/c\/en\/us\/products\/collateral\/wireless\/catalyst-9800-series-wireless-controllers\/nb-06-cat9800-wirel-cont-data-sheet-ctp-en.html\">Cisco Catalyst 9800-40 Wireless Controller<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"http:\/\/www.cisco.com\/c\/en\/us\/products\/collateral\/wireless\/catalyst-9800-series-wireless-controllers\/nb-06-cat9800-80-wirel-mod-data-sheet-ctp-en.html\">Cisco Catalyst 9800-80 Wireless Controller<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"http:\/\/www.cisco.com\/c\/en\/us\/products\/collateral\/wireless\/catalyst-9800-series-wireless-controllers\/datasheet-c78-742434.html\">Cisco Catalyst 9800-L Wireless Controller<\/a><\/noindex><\/li>\n<li><noindex><a rel=\"nofollow\" href=\"https:\/\/www.youtube.com\/watch?v=V5qLv0BtBcM&amp;t=20s\">Video \u201eZ\u00e1klady Wi-Fi 6: Kapacita je nov\u00e1 metrika\u201c (angl.)<\/a><\/noindex><\/li>\n<\/ul>\n<p>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/cisco\/blog\/503326\/\">habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0423\u0436\u0435 \u0433\u043e\u0434 \u043a\u0430\u043a \u043c\u044b \u0441\u043b\u0443\u0448\u0430\u0435\u043c \u043e \u043f\u0440\u0435\u0438\u043c\u0443\u0449\u0435\u0441\u0442\u0432\u0430\u0445 \u0440\u0435\u0432\u043e\u043b\u044e\u0446\u0438\u043e\u043d\u043d\u043e\u0433\u043e \u0441 \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0447\u0435\u0441\u043a\u043e\u0439 \u0442\u043e\u0447\u043a\u0438 \u0437\u0440\u0435\u043d\u0438\u044f \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0430 Wi-Fi 6. \u0420\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0430\u044f \u043d\u043e\u0440\u043c\u0430\u0442\u0438\u0432\u043d\u0430\u044f \u0431\u0430\u0437\u0430 \u043f\u043e\u0434 \u044d\u0442\u043e\u0442 \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442 \u043f\u0440\u043e\u0445\u043e\u0434\u0438\u0442 \u0441\u0442\u0430\u0434\u0438\u0438 \u0441\u043e\u0433\u043b\u0430\u0441\u043e\u0432\u0430\u043d\u0438\u044f \u0438 \u0447\u0435\u0440\u0435\u0437 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0432\u0441\u0442\u0443\u043f\u0438\u0442 \u0432 \u0437\u0430\u043a\u043e\u043d\u043d\u0443\u044e \u0441\u0438\u043b\u0443, \u0441\u043e\u0437\u0434\u0430\u0432 \u0443\u0441\u043b\u043e\u0432\u0438\u044f \u0434\u043b\u044f \u043f\u0440\u043e\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 \u0441\u0440\u0435\u0434\u0441\u0442\u0432 \u0441\u0432\u044f\u0437\u0438. \u042f \u0441\u0444\u043e\u043a\u0443\u0441\u0438\u0440\u0443\u044e\u0441\u044c \u043d\u0430 \u0442\u043e\u043c, \u0447\u0442\u043e \u043f\u043e\u043c\u0438\u043c\u043e \u0441\u0442\u0430\u043d\u0434\u0430\u0440\u0442\u0430 \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u0435\u0442 \u0432\u0435\u0434\u0443\u0449\u0438\u0439 \u0432\u0435\u043d\u0434\u043e\u0440 \u0432 \u043e\u0431\u043b\u0430\u0441\u0442\u0438 \u043a\u043e\u0440\u043f\u043e\u0440\u0430\u0442\u0438\u0432\u043d\u044b\u0445 \u0431\u0435\u0441\u043f\u0440\u043e\u0432\u043e\u0434\u043d\u044b\u0445 \u0441\u0435\u0442\u0435\u0439, \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u044f, [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":82829,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-82828","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0423\u0436\u0435 \u0433\u043e\u0434 \u043a\u0430\u043a \u043c\u044b \u0441\u043b\u0443\u0448\u0430\u0435\u043c \u043e \u043f\u0440\u0435\u0438\u043c\u0443\u0449\u0435\u0441\u0442\u0432\u0430\u0445 \u0440\u0435\u0432\u043e\u043b\u044e\u0446\u0438\u043e\u043d\u043d\u043e\u0433\u043e \u0441.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" 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