{"id":89699,"date":"2020-07-25T13:42:16","date_gmt":"2020-07-25T11:42:16","guid":{"rendered":"https:\/\/prohoster.info\/blog\/administrirovanie\/est-kontroller-net-problem-kak-s-legkostyu-podderzhivat-rabotu-besprovodnoj-seti"},"modified":"2020-07-25T13:42:16","modified_gmt":"2020-07-25T11:42:16","slug":"est-kontroller-net-problem-kak-s-legkostyu-podderzhivat-rabotu-besprovodnoj-seti","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/administrirovanie\/est-kontroller-net-problem-kak-s-legkostyu-podderzhivat-rabotu-besprovodnoj-seti","title":{"rendered":"Ka nj\u00eb kontrollues \u2013 s'ka probleme: si t\u00eb mbani leht\u00ebsisht funksionimin e rrjetit wireless","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>N\u00eb vitin 2019, kompania e konsultimit Miercom kreu nj\u00eb vler\u00ebsim t\u00eb pavarur teknologjik t\u00eb kontrollor\u00ebve Wi-Fi 6 t\u00eb seris\u00eb Cisco Catalyst 9800. P\u00ebr k\u00ebt\u00eb studim, u krijua nj\u00eb platform\u00eb testimi me kontrollor\u00eb dhe piketa Wi-Fi 6 nga Cisco, dhe u krye nj\u00eb vler\u00ebsim i zgjidhjes teknike n\u00eb kategorit\u00eb e m\u00ebposhtme:<\/p>\n<ul>\n<li>Disponueshm\u00ebria;<\/li>\n<li>Siguria;<\/li>\n<li>Automatizimi.<\/li>\n<\/ul>\n<p>\nRezultatet e studimit jan\u00eb t\u00eb paraqitura m\u00eb posht\u00eb. Q\u00eb nga viti 2019, funksionaliteti i kontrollor\u00ebve Cisco Catalyst t\u00eb seris\u00eb 9800 \u00ebsht\u00eb p\u00ebrmir\u00ebsuar ndjesh\u00ebm \u2013 k\u00ebto aspekte jan\u00eb reflektuar gjithashtu n\u00eb k\u00ebt\u00eb artikull.<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\nP\u00ebr avantazhet e tjera t\u00eb teknologjis\u00eb Wi-Fi 6, shembuj t\u00eb implementimit dhe fusha t\u00eb aplikimit mund t\u00eb lexoni<noindex><a rel=\"nofollow\" href=\"http:\/\/rrcwifi6.promo\/?utm_source=habrblogcisco&amp;utm_medium=cpc&amp;utm_campaign=rrcwifi6&amp;utm_content=articlecatalyst\"> k\u00ebtu<\/a><\/noindex>.<\/p>\n<h2><strong>P\u00ebrmbledhje e zgjidhjes<\/strong><\/h2>\n<p><\/p>\n<h3><strong>Kontrollor\u00ebt Wi-Fi 6 Cisco Catalyst t\u00eb seris\u00eb 9800<\/strong><\/h3>\n<p>\nSeria e kontrollor\u00ebve pa tel Cisco Catalyst t\u00eb seris\u00eb 9800 mbi sistemin operativ IOS-XE (i cili p\u00ebrdoret gjithashtu p\u00ebr switch-e dhe router-a Cisco) ofrohet n\u00eb varianta t\u00eb ndryshme.<\/p>\n<p><img decoding=\"async\" alt=\"Ka nj\u00eb kontrollues \u2013 s&#039;ka probleme: si t\u00eb mbani leht\u00ebsisht funksionimin e rrjetit wireless\" src=\"\/wp-content\/uploads\/2020\/07\/b75d0fdc2caa8f49a5a4a893d4e67a78.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nModeli m\u00eb i avancuar i kontrollorit 9800-80 mb\u00ebshtet kapacitetin e rrjetit pa tel deri n\u00eb 80 Gbit\/s. Nj\u00eb kontrollor 9800-80 mb\u00ebshtet deri n\u00eb 6000 piketa dhe deri n\u00eb 64 000 klient\u00eb pa tel.<\/p>\n<p>Modeli i mes\u00ebm \u2013 kontrollori 9800-40 \u2013 mb\u00ebshtet kapacitetin deri n\u00eb 40 Gbit\/s, deri n\u00eb 2000 piketa dhe deri n\u00eb 32 000 klient\u00eb pa tel.<\/p>\n<p>P\u00ebrve\u00e7 k\u00ebtyre modeleve, analiza konkurruese p\u00ebrfshiu gjithashtu kontrollorin pa tel 9800-CL (CL do t\u00eb thot\u00eb Cloud). Modeli 9800-CL funksionon n\u00eb mjedise virtuale n\u00eb hipervizor\u00ebt VMWare ESXI dhe KVM, dhe karakteristikat e tij varen nga burimet e dedikuara t\u00eb hardware p\u00ebr makin\u00ebn virtuale t\u00eb kontrollorit. N\u00eb konfigurimin maksimal, kontrollori Cisco 9800-CL gjithashtu mb\u00ebshtet shkall\u00ebzueshm\u00ebrin\u00eb deri n\u00eb 6000 piketa dhe deri n\u00eb 64 000 klient\u00eb pa tel, ashtu si modeli m\u00eb i avancuar 9800-80.<\/p>\n<p>Gjat\u00eb studimit, kontrollor\u00ebt p\u00ebrdor\u00ebn piketat Cisco Aironet AP t\u00eb seris\u00eb 4800, q\u00eb mb\u00ebshtesin operimin n\u00eb frekuencat 2.4 dhe 5 GHz me mund\u00ebsin\u00eb e kalimit dinamik n\u00eb modin dual 5-GHz.<\/p>\n<h2><strong>Standi i testimit<\/strong><\/h2>\n<p>\nN\u00eb kuad\u00ebr t\u00eb testimit, u krijua nj\u00eb platform\u00eb me dy kontrollor\u00eb pa tel Cisco Catalyst 9800-CL q\u00eb funksiononin n\u00eb nj\u00eb klas\u00ebr dhe piketat Cisco Aironet AP t\u00eb seris\u00eb 4800.<\/p>\n<p>Si pajisje klienti u p\u00ebrdor\u00ebn laptop\u00ebt e kompanive Dell dhe Apple, si dhe smartfoni Apple iPhone.<\/p>\n<p><img decoding=\"async\" alt=\"Ka nj\u00eb kontrollues \u2013 s&#039;ka probleme: si t\u00eb mbani leht\u00ebsisht funksionimin e rrjetit wireless\" src=\"\/wp-content\/uploads\/2020\/07\/d2821ca58a54a4fab2c5a208b20fb51f.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<\/p>\n<h2><strong>Testimi i disponueshm\u00ebris\u00eb<\/strong><\/h2>\n<p>\nDisponueshm\u00ebria p\u00ebrcaktohet si aft\u00ebsia e p\u00ebrdoruesve p\u00ebr t\u00eb aksesuar sistemin ose sh\u00ebrbimin dhe p\u00ebr ta p\u00ebrdorur at\u00eb. Disponueshm\u00ebria e lart\u00eb n\u00ebnkupton akses t\u00eb vazhduesh\u00ebm n\u00eb sistemin ose sh\u00ebrbimin, i cili nuk varet nga ndonj\u00eb ngjarje.<\/p>\n<p>Disponueshm\u00ebria e lart\u00eb \u00ebsht\u00eb testuar n\u00eb kat\u00ebr skenar\u00eb, tre t\u00eb par\u00ebt jan\u00eb ngjarje t\u00eb parashikueshme ose t\u00eb planifikuara, t\u00eb cilat mund t\u00eb zhvillohen n\u00eb koh\u00eb pune ose jasht\u00eb saj. Skenari i pest\u00eb \u00ebsht\u00eb nj\u00eb d\u00ebshtim klasik, i cili \u00ebsht\u00eb nj\u00eb ngjarje e paparashikueshme.<\/p>\n<p>P\u00ebrshkrimi i skenar\u00ebve:<\/p>\n<ul>\n<li>Rregullimi i gabimeve \u2013 mikro-diturim i sistemit (bugfix ose security patch), q\u00eb lejon rregullimin e nj\u00eb gabimi ose nj\u00eb dob\u00ebsie pa p\u00ebrdit\u00ebsimin e plot\u00eb t\u00eb softuerit sistemor;<\/li>\n<li>P\u00ebrdit\u00ebsimi funksional \u2013 shtim ose zgjerim i funksionalitetit aktual t\u00eb sistemit p\u00ebrmes instalimit t\u00eb p\u00ebrdit\u00ebsimeve funksionale;<\/li>\n<li>P\u00ebrdit\u00ebsimi i plot\u00eb \u2013 p\u00ebrdit\u00ebsimi i imazhit t\u00eb softuerit t\u00eb kontrollorit;<\/li>\n<li>Shtimi i nj\u00eb pik\u00eb akses \u2013 shtimi i nj\u00eb modeli t\u00eb ri t\u00eb pik\u00ebs s\u00eb aksesit n\u00eb rrjetin pa tela pa nevoj\u00ebn p\u00ebr rikonfigurim ose p\u00ebrdit\u00ebsim t\u00eb softuerit t\u00eb kontrollorit pa tela;<\/li>\n<li>D\u00ebshtimi \u2013 d\u00ebshtimi i kontrollorit pa tela.<\/li>\n<\/ul>\n<p><\/p>\n<h3><strong>Rregullimi i gabimeve dhe dob\u00ebsive<\/strong><\/h3>\n<p>\nShpesh, n\u00eb shum\u00eb zgjidhje konkurruese, instalimi i patches k\u00ebrkon nj\u00eb p\u00ebrdit\u00ebsim t\u00eb plot\u00eb t\u00eb softuerit t\u00eb sistemit t\u00eb kontrollorit pa tela, gj\u00eb q\u00eb mund t\u00eb \u00e7oj\u00eb n\u00eb ndalime t\u00eb pa-parashikuara. N\u00eb rastin e zgjidhjes nga Cisco, instalimi i patches kryhet pa nd\u00ebrprerje t\u00eb produktivitetit. Rregullimet mund t\u00eb instalohen n\u00eb cilindo nga komponent\u00ebt, nd\u00ebrsa infrastruktura pa tela vazhdon t\u00eb funksionoj\u00eb.<\/p>\n<p>Procedura vet\u00eb \u00ebsht\u00eb mjaft e thjesht\u00eb. Skedari i patches kopjohet n\u00eb dosjen e ngarkes\u00ebs fillestare n\u00eb nj\u00eb nga kontrollor\u00ebt pa tela Cisco, dhe m\u00eb pas konfirmohet operacioni p\u00ebrmes nd\u00ebrfaqes grafike ose linj\u00ebs s\u00eb komandave. P\u00ebr m\u00eb tep\u00ebr, p\u00ebrmes nd\u00ebrfaqes grafike ose linj\u00ebs s\u00eb komandave mund t\u00eb anullohet dhe fshihet patchi, gjithashtu pa nd\u00ebrprerje t\u00eb funksionimit t\u00eb sistemit.<\/p>\n<h3><strong>P\u00ebrdit\u00ebsimi funksional<\/strong><\/h3>\n<p>\nP\u00ebrdit\u00ebsimet funksionale t\u00eb softuerit aplikohen p\u00ebr aktivizimin e funksioneve t\u00eb reja. Nj\u00eb nga k\u00ebto p\u00ebrmir\u00ebsime \u00ebsht\u00eb p\u00ebrdit\u00ebsimi i baz\u00ebs s\u00eb t\u00eb dh\u00ebnave t\u00eb n\u00ebnshkrimeve t\u00eb aplikacioneve. Ky paket\u00eb u instalua n\u00eb kontrollet Cisco si nj\u00eb test. Nj\u00ebsoj si n\u00eb rastin e riparimeve, p\u00ebrdit\u00ebsimi i funksioneve aplikohet, instalohet ose hiqet pa nd\u00ebrprerje ose nd\u00ebrprerje t\u00eb pun\u00ebs s\u00eb sistemit.<\/p>\n<h3><strong>P\u00ebrdit\u00ebsim i plot\u00eb<\/strong><\/h3>\n<p>\nAktualisht, p\u00ebrdit\u00ebsimi i plot\u00eb i imazhit t\u00eb softuerit t\u00eb kontrollit realizohet ashtu si dhe p\u00ebrdit\u00ebsimi funksional, pra, pa nd\u00ebrprerje. Megjithat\u00eb, kjo mund\u00ebsi \u00ebsht\u00eb e disponueshme vet\u00ebm n\u00eb konfigurim klasteri, kur ka m\u00eb shum\u00eb se nj\u00eb kontrollues. P\u00ebrdit\u00ebsimi i plot\u00eb kryhet nj\u00eb nga nj\u00eb: fillimisht n\u00eb nj\u00eb kontrollues, pastaj n\u00eb tjetrin.<\/p>\n<h3><strong>Shtimi i modelit t\u00eb ri t\u00eb pik\u00ebs s\u00eb qasjes<\/strong><\/h3>\n<p>\nKonektimi i pikave t\u00eb reja t\u00eb qasjes, t\u00eb cilat nuk jan\u00eb p\u00ebrdorur m\u00eb par\u00eb me imazhin e softuerit t\u00eb kontrollit t\u00eb p\u00ebrdorur, n\u00eb rrjetin wireless \u00ebsht\u00eb nj\u00eb operacion mjaft i zakonsh\u00ebm, ve\u00e7an\u00ebrisht n\u00eb rrjetet e m\u00ebdha (aeroportet, hotellet, prodhimet). Shpesh, n\u00eb zgjidhjet e konkurrenc\u00ebs, ky operacion k\u00ebrkon p\u00ebrdit\u00ebsimin e softuerit sistemik ose ri-ngritjen e kontrolluesve.<\/p>\n<p>Gjat\u00eb lidhjes s\u00eb pikave t\u00eb qasjes Wi-Fi 6 me grupe kontrolluesish Cisco Catalyst t\u00eb seris\u00eb 9800, nuk v\u00ebrehen probleme t\u00eb ngjashme. Lidhja e pikave t\u00eb reja me kontrolluesin kryhet pa p\u00ebrdit\u00ebsime t\u00eb softuerit t\u00eb kontrolluesit, dhe ky proces nuk k\u00ebrkon ri-ngritje, duke mos ndikuar aspak n\u00eb rrjetin wireless.<\/p>\n<h3><strong>D\u00ebshtimi i kontrolluesit<\/strong><\/h3>\n<p>\nN\u00eb ambientin testues p\u00ebrdoren dy kontrollues (Aktiv \/ StandBy) Wi-Fi 6 dhe pik\u00eb aksesit ka lidhje t\u00eb drejtp\u00ebrdrejt\u00eb me t\u00eb dy kontrolluesit.<\/p>\n<p>Nj\u00eb kontrollues wireless \u00ebsht\u00eb aktiv, d\u00ebrsa tjetri, p\u00ebrkat\u00ebsisht, rezerv\u00eb. N\u00eb rast t\u00eb d\u00ebshtimit t\u00eb kontrolluesit aktiv, menaxhimi merr kontrollin n\u00eb kontrolluesin rezerv\u00eb, dhe statusi i tij ndryshon n\u00eb aktiv. Kjo procedur\u00eb ndodh pa nd\u00ebrprerje p\u00ebr pik\u00ebn e qasjes dhe Wi-Fi p\u00ebr klient\u00ebt.<\/p>\n<h2><strong>Siguria<\/strong><\/h2>\n<p>\nN\u00eb k\u00ebt\u00eb seksion shqyrtohen aspektet e sigurimit, q\u00eb n\u00eb rrjetet wireless p\u00ebrb\u00ebn nj\u00eb detyr\u00eb jasht\u00ebzakonisht aktuale. Siguria e zgjidhjes vler\u00ebsohet sipas karakteristikave t\u00eb m\u00ebposhtme:<\/p>\n<ul>\n<li>Identifikimi i aplikacioneve;<\/li>\n<li>Gjobitja e rrjedh\u00ebs s\u00eb trafikut (Flow tracking);<\/li>\n<li>Analiza e trafikut t\u00eb kriptuar;<\/li>\n<li>Zbulimi dhe parandaloja e sulmeve;<\/li>\n<li>Mjetet e autentifikimit;<\/li>\n<li>Mjetet mbrojt\u00ebse p\u00ebr pajisjet e klient\u00ebve.<\/li>\n<\/ul>\n<p><\/p>\n<h3><strong>Identifikimi i aplikacioneve<\/strong><\/h3>\n<p>\nMes produkteve t\u00eb ndryshme n\u00eb tregun e Wi-Fi t\u00eb korporatave dhe industri, ekzistojn\u00eb dallime n\u00eb m\u00ebnyr\u00ebn se sa mir\u00eb produktet identifikojn\u00eb trafikun sipas aplikacioneve. Produkte t\u00eb prodhuesve t\u00eb ndrysh\u00ebm mund t\u00eb identifikojn\u00eb nj\u00eb num\u00ebr t\u00eb ndrysh\u00ebm aplikimesh. Megjithat\u00eb, shum\u00eb nga aplikacionet q\u00eb p\u00ebrmenden n\u00eb zgjidhjet konkurrente si t\u00eb mundshme p\u00ebr t'u identifikuar, n\u00eb t\u00eb v\u00ebrtet\u00eb jan\u00eb website dhe jo aplikacione unike.<\/p>\n<p>Ka nj\u00eb ve\u00e7ori tjet\u00ebr interesante q\u00eb lidhet me identifikimin e aplikacioneve: zgjidhjet ndryshojn\u00eb ndjesh\u00ebm n\u00eb sakt\u00ebsin\u00eb e identifikimit.<\/p>\n<p>Duke marr\u00eb parasysh t\u00eb gjitha testet e kryera, mund t\u00eb deklarohet me p\u00ebrgjegj\u00ebsi se zgjidhja Wi-Fi-6 e Cisco p\u00ebr identifikimin e aplikacioneve realizon k\u00ebt\u00eb me shum\u00eb sakt\u00ebsi: jan\u00eb identifikuar sakt\u00ebsisht Jabber, Netflix, Dropbox, YouTube dhe aplikacione t\u00eb tjera t\u00eb njohura, si dhe sh\u00ebrbime web. Gjithashtu, zgjidhjet Cisco mund t\u00eb thellohen m\u00eb thell\u00eb n\u00eb paketat e t\u00eb dh\u00ebnave p\u00ebrmes DPI (Deep Packet Inspection).<\/p>\n<h3><strong>Gjat\u00eb monitorimit t\u00eb flukseve t\u00eb trafikut<\/strong><\/h3>\n<p>\n\u00cbsht\u00eb kryer nj\u00eb test tjet\u00ebr p\u00ebr t\u00eb p\u00ebrcaktuar n\u00ebse sistemi mund t\u00eb ndjek\u00eb dhe t\u00eb raportoj\u00eb n\u00eb m\u00ebnyr\u00eb t\u00eb sakt\u00eb flukse t\u00eb t\u00eb dh\u00ebnave (p.sh., p\u00ebr l\u00ebvizjet e skedar\u00ebve t\u00eb m\u00ebdhenj). P\u00ebr ta testuar k\u00ebt\u00eb, nj\u00eb skedar prej 6.5 megabajt\u00ebsh \u00ebsht\u00eb d\u00ebrguar n\u00eb rrjet p\u00ebrmes protokollit t\u00eb transferimit t\u00eb skedar\u00ebve (FTP).<\/p>\n<p>Zgjidhja Cisco e p\u00ebrfundoi plot\u00ebsisht detyr\u00ebn dhe ishte n\u00eb gjendje t\u00eb ndjek\u00eb k\u00ebt\u00eb trafik p\u00ebrmes NetFlow dhe kapaciteteve t\u00eb saj harduerike. Trafiku u zbulua dhe u identifikua menj\u00ebher\u00eb me sakt\u00ebsi t\u00eb plot\u00eb t\u00eb sasive t\u00eb t\u00eb dh\u00ebnave t\u00eb transferuara.<\/p>\n<h3><strong>Analiza e trafik\u00ebve t\u00eb enkriptuar<\/strong><\/h3>\n<p>\nTrafiku i t\u00eb dh\u00ebnave t\u00eb p\u00ebrdoruesve po enkriptohet gjithnj\u00eb e m\u00eb shum\u00eb. Kjo b\u00ebhet p\u00ebr t\u00eb mbrojtur t\u00eb dh\u00ebnat nga ndjekja ose kapja nga keqb\u00ebr\u00ebsit. Por p\u00ebrve\u00e7 k\u00ebsaj, haker\u00ebt gjithashtu po p\u00ebrdorin gjithnj\u00eb e m\u00eb shum\u00eb enkriptimin p\u00ebr t\u00eb fshehur programet e tyre t\u00eb d\u00ebmshme dhe p\u00ebr t\u00eb kryer operacione t\u00eb tjera dyshimtar\u00eb si Man-in-the-Middle (MiTM) ose, p\u00ebr shembull, sulme duke p\u00ebrdorur keylogging.<\/p>\n<p>Shumica e nd\u00ebrmarrjeve kontrollojn\u00eb nj\u00eb pjes\u00eb t\u00eb trafik\u00ebve t\u00eb enkriptuar, duke e deshifruar at\u00eb fillimisht p\u00ebrmes firewalleve ose sistemeve t\u00eb parandalimit t\u00eb infiltrimeve. Por ky proces k\u00ebrkon shum\u00eb koh\u00eb dhe nuk ndihmon n\u00eb performanc\u00ebn e p\u00ebrgjithshme t\u00eb rrjetit. P\u00ebrve\u00e7 k\u00ebsaj, pas deshifrimit, k\u00ebto t\u00eb dh\u00ebna b\u00ebhen t\u00eb prekshme p\u00ebr syrin e kuriozitetit.<\/p>\n<p>Kontroller\u00ebt Cisco Catalyst t\u00eb seris\u00eb 9800 zgjidhin me sukses problemin e analiz\u00ebs s\u00eb trafikut t\u00eb enkriptuar duke p\u00ebrdorur mjete t\u00eb tjera. Zgjidhja quhet Analiza e Trafikut t\u00eb Enkriptuar (ETA). ETA \u00ebsht\u00eb nj\u00eb teknologji p\u00ebr t\u00eb cil\u00ebn nuk ka analog\u00eb n\u00eb zgjidhjet konkuruese aktualisht dhe q\u00eb zbulon malware n\u00eb trafikun e enkriptuar pa nevoj\u00ebn p\u00ebr dekriptim. ETA \u00ebsht\u00eb nj\u00eb funksionalitet i baz\u00ebs IOS-XE, i cili p\u00ebrfshin NetFlow t\u00eb avancuar dhe p\u00ebrdor algoritme t\u00eb sjelljes t\u00eb avancuara p\u00ebr t\u00eb identifikuar modelet e d\u00ebmshme t\u00eb trafikut q\u00eb fshihen n\u00eb trafikun e enkriptuar.<\/p>\n<p><img decoding=\"async\" alt=\"Ka nj\u00eb kontrollues \u2013 s&#039;ka probleme: si t\u00eb mbani leht\u00ebsisht funksionimin e rrjetit wireless\" src=\"\/wp-content\/uploads\/2020\/07\/02b0c737b6482cede84e9d6347c7d977.jpeg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nETA nuk dekripton mesazhet, por mbledh profile t\u00eb metadatat e rrjedhave t\u00eb trafikut t\u00eb enkriptuar - madh\u00ebsin\u00eb e pakove, intervalet e koh\u00ebs midis pakove dhe shum\u00eb m\u00eb tep\u00ebr. M\u00eb pas, metadat eksportohen n\u00eb regjistrat NetFlow v9 n\u00eb Cisco Stealthwatch.<\/p>\n<p>Nj\u00eb funksion ky\u00e7 i Stealthwatch \u00ebsht\u00eb monitorimi i vazhduesh\u00ebm t\u00eb trafikut, si dhe krijimi i parametrave baz\u00eb t\u00eb aktivitetit normal t\u00eb rrjetit. Duke p\u00ebrdorur metadat e rrjedh\u00ebs s\u00eb enkriptuar q\u00eb i d\u00ebrgon ETA, Stealthwatch aplikon m\u00ebsim t\u00eb thell\u00eb n\u00eb shum\u00eb nivele p\u00ebr t\u00eb identifikuar anomali t\u00eb sjelljes s\u00eb trafikut q\u00eb mund t\u00eb tregojn\u00eb ngjarje t\u00eb dyshimta.<\/p>\n<p>Vitin e kaluar, Cisco t\u00ebrheq Miercom p\u00ebr nj\u00eb vler\u00ebsim t\u00eb pavarur t\u00eb zgjidhjes Cisco Encrypted Traffic Analytics. Gjat\u00eb k\u00ebtij vler\u00ebsimi, Miercom d\u00ebrgoi ve\u00e7mas k\u00ebrc\u00ebnime t\u00eb njohura dhe t\u00eb panjohura (virus\u00eb, trojane, ransomware) n\u00eb trafikun e enkriptuar dhe t\u00eb dekriptuar p\u00ebrmes rrjeteve t\u00eb m\u00ebdha ETA dhe jo-ETA, p\u00ebr t\u00eb identifikuar k\u00ebrc\u00ebnimet.<\/p>\n<p>P\u00ebr testimin, u aktivizua nj\u00eb kode d\u00ebmshme n\u00eb t\u00eb dyja rrjetet. N\u00eb t\u00eb dy rastet, aktiviteti i dyshimt\u00eb u zbulua gradualisht. N\u00eb rrjetin ETA, n\u00eb fillim, k\u00ebrc\u00ebnimet u zbuluan 36% m\u00eb shpejt se n\u00eb rrjetin jo-ETA. Gjithashtu, gjat\u00eb koh\u00ebs, produktiviteti i zbulimit n\u00eb rrjetin ETA filloi t\u00eb rritet. N\u00eb fund t\u00eb disa or\u00ebve pune n\u00eb rrjetin ETA, dy t\u00eb tretat e k\u00ebrc\u00ebnimeve aktive u zbuluan me sukses, dyfish m\u00eb shum\u00eb se numri i ngjash\u00ebm n\u00eb rrjetin jo-ETA.<\/p>\n<p>Funksionaliteti i ETA \u00ebsht\u00eb mir\u00eb i integruar me Stealthwatch. K\u00ebrc\u00ebnimet renditen sipas gravitetit, shfaqen me informacion t\u00eb detajuar dhe gjithashtu me mund\u00ebsi veprimi p\u00ebr rregullim pas konfirmimit. P\u00ebrfundimi - ETA funksionon!<\/p>\n<h3><strong>Zbulimi dhe parandalimi i infiltrimeve<\/strong><\/h3>\n<p>\nTani, Cisco ka nj\u00eb tjet\u00ebr mjet efikas p\u00ebr sigurin\u00eb \u2014 Cisco Advanced Wireless Intrusion Prevention System (aWIPS): nj\u00eb mekaniz\u00ebm p\u00ebr zbulimin dhe parandalimin e k\u00ebrc\u00ebnimeve p\u00ebr rrjetet pa tel. Zgjidhja aWIPS funksionon n\u00eb nivelin e kontrolleve, pikave t\u00eb qasjes dhe softuerit t\u00eb menaxhimit Cisco DNA Center. Procesi i zbulimit, njoftimit dhe parandalimit t\u00eb k\u00ebrc\u00ebnimeve p\u00ebrfshin analiz\u00ebn e trafikut t\u00eb rrjetit, informacionin rreth pajisjeve rrjet dhe topologjin\u00eb e rrjetit, metodat e bazuara n\u00eb n\u00ebnshkrime dhe zbulimin e anomalive, \u00e7ka p\u00ebrfundimisht siguron sakt\u00ebsi t\u00eb lart\u00eb dhe parandalim t\u00eb k\u00ebrc\u00ebnimeve t\u00eb rrjetit pa tel.<\/p>\n<p>Integrimi i plot\u00eb i aWIPS n\u00eb infrastruktur\u00ebn rrjetore lejon monitoring t\u00eb vazhduesh\u00ebm t\u00eb trafikut pa tel si n\u00eb rrjetet e kablluar ashtu edhe n\u00eb ato pa tel dhe ta p\u00ebrdor\u00eb at\u00eb p\u00ebr analiz\u00ebn automatike t\u00eb sulmeve t\u00eb mundshme nga shum\u00eb burime, p\u00ebr t\u00eb identifikuar dhe parandaluar sulmet n\u00eb m\u00ebnyr\u00eb sa m\u00eb t\u00eb plot\u00eb.<\/p>\n<h3><strong>Mjetet e autentifikimit<\/strong><\/h3>\n<p>\nAktualisht, p\u00ebrve\u00e7 mjeteve klasike t\u00eb autentifikimit, zgjidhjet Cisco Catalyst serin\u00eb 9800 ofrojn\u00eb mb\u00ebshtetje p\u00ebr WPA3. WPA3 \u00ebsht\u00eb versioni m\u00eb i fundit i WPA, q\u00eb p\u00ebrfaq\u00ebson nj\u00eb grup protokollesh dhe teknologjish q\u00eb ofrojn\u00eb autentifikimin dhe enkriptimin p\u00ebr rrjetet Wi-Fi.<\/p>\n<p>WPA3 p\u00ebrdor metod\u00ebn e autentifikimit t\u00eb p\u00ebrbashk\u00ebt simultan (SAE \u2014 Simultaneous Authentication of Equals) p\u00ebr t\u00eb siguruar mbrojtjen m\u00eb t\u00eb besueshme t\u00eb p\u00ebrdoruesve nga p\u00ebrpjekjet p\u00ebr t\u00eb gjetur fjal\u00ebkalimin nga pal\u00eb t\u00eb treta. Kur klienti lidhet me pik\u00ebn e qasjes, ai kryen nj\u00eb shk\u00ebmbim SAE. N\u00eb rast suksesi, secili prej tyre do t\u00eb krijoj\u00eb nj\u00eb \u00e7el\u00ebs kriptografikisht t\u00eb sigurt, nga i cili do t\u00eb merret \u00e7el\u00ebsi i seanc\u00ebs, dhe m\u00eb pas ata kalojn\u00eb n\u00eb gjendjen e konfirmimit. Pas k\u00ebsaj, klienti dhe pika e qasjes mund t\u00eb kalojn\u00eb n\u00eb gjendje konfirmimi sa her\u00eb q\u00eb duhet t\u00eb gjenerohet nj\u00eb \u00e7el\u00ebs seance. Metoda p\u00ebrdor sekrecin\u00eb e drejtp\u00ebrdrejt\u00eb, ku nj\u00eb sulmues mund t\u00eb thyej\u00eb nj\u00eb \u00e7el\u00ebs, por jo t\u00eb gjitha \u00e7el\u00ebsat e tjer\u00eb.<\/p>\n<p>K\u00ebshtu, SAE \u00ebsht\u00eb nd\u00ebrtuar n\u00eb nj\u00eb m\u00ebnyr\u00eb q\u00eb sulmuesi, q\u00eb kap trafik, ka vet\u00ebm nj\u00eb p\u00ebrpjekje p\u00ebr t\u00eb gjetur fjal\u00ebkalimin, p\u00ebrpara se t\u00eb dh\u00ebnat e kapura t\u00eb b\u00ebhen t\u00eb pavler\u00eb. P\u00ebr t\u00eb organizuar nj\u00eb p\u00ebrpjekje t\u00eb gjat\u00eb p\u00ebr gjetjen e fjal\u00ebkalimit do t\u00eb k\u00ebrkohet akses fizik n\u00eb pik\u00ebn e qasjes.<\/p>\n<h3><strong>Mjetet e mbrojtjes p\u00ebr pajisjet klient<\/strong><\/h3>\n<p>\nMjeti kryesor i mbrojtjes p\u00ebr klient\u00ebt n\u00eb zgjidhjet pa tel Cisco Catalyst t\u00eb seris\u00eb 9800 aktualisht \u00ebsht\u00eb Cisco Umbrella WLAN \u2014 nj\u00eb sh\u00ebrbim cloud t\u00eb siguris\u00eb n\u00eb rrjet, q\u00eb funksionon n\u00eb nivelin DNS me zb discovery automatik t\u00eb k\u00ebrc\u00ebnimeve si t\u00eb njohura ashtu edhe t\u00eb reja.<\/p>\n<p>Cisco Umbrella WLAN ofron pajisjeve t\u00eb klient\u00ebve nj\u00eb lidhje t\u00eb sigurt me internetin. Kjo arrihet p\u00ebrmes filtreve t\u00eb p\u00ebrmbajtjes, q\u00eb do t\u00eb thot\u00eb se bllokohet aksesimi n\u00eb burime n\u00eb internet n\u00eb p\u00ebrputhje me politik\u00ebn e kompanis\u00eb. K\u00ebshtu, sigurohet mbrojtja e pajisjeve t\u00eb klient\u00ebve n\u00eb internet nga malware, ransomware, dhe phishing. Zbatimi i politikave bazohet n\u00eb 60 kategori p\u00ebrmbajtjeje q\u00eb p\u00ebrdit\u00ebsohen vazhdimisht.<\/p>\n<h2><strong>Automatizimi<\/strong><\/h2>\n<p>\nRrjetet moderne pa tel jan\u00eb shum\u00eb m\u00eb fleksibile dhe m\u00eb komplekse, prandaj metodat tradicionale t\u00eb konfigurimit dhe nxjerrjes s\u00eb informacionit nga kontrolluesit pa tel nuk jan\u00eb t\u00eb mjaftueshme. Administratoret e rrjetit dhe specialist\u00ebt e siguris\u00eb s\u00eb informacionit k\u00ebrkojn\u00eb mjete p\u00ebr automatizimin dhe analiz\u00ebn, q\u00eb detyron prodhuesit e zgjidhjeve p\u00ebr rrjetet pa tel t\u00eb ofrojn\u00eb k\u00ebto mjete.<\/p>\n<p>P\u00ebr t\u00eb zgjidhur k\u00ebto \u00e7\u00ebshtje, n\u00eb kontrolluesit pa tel Cisco Catalyst t\u00eb seris\u00eb 9800, p\u00ebrve\u00e7 API-s\u00eb tradicionale, \u00ebsht\u00eb parashikuar mb\u00ebshtetje p\u00ebr protokollin e konfigurimit t\u00eb rrjetit RESTCONF \/ NETCONF me gjuh\u00ebn e modelimit t\u00eb t\u00eb dh\u00ebnave YANG (Yet Another Next Generation).<\/p>\n<p>NETCONF \u00ebsht\u00eb nj\u00eb protokoll i bazuar n\u00eb XML, t\u00eb cilin aplikacionet mund ta p\u00ebrdorin p\u00ebr t\u00eb k\u00ebrkuar informacion dhe p\u00ebr t\u00eb ndryshuar konfigurimin e pajisjeve t\u00eb rrjetit, si\u00e7 jan\u00eb kontrolluesit pa tel.<\/p>\n<p>P\u00ebrve\u00e7 k\u00ebtyre metodave, n\u00eb kontrolluesit Cisco Catalyst t\u00eb seris\u00eb 9800 \u00ebsht\u00eb implementuar mund\u00ebsia e marrjes, filtrimit dhe analiz\u00ebs s\u00eb t\u00eb dh\u00ebnave mbi rrjedh\u00ebn e informacionit p\u00ebrmes protokollit NetFlow dhe sFlow.<\/p>\n<p>P\u00ebr t\u00eb siguruar sigurin\u00eb dhe p\u00ebr t\u00eb modeluar trafikun, mund\u00ebsia p\u00ebr t\u00eb ndjekur rrjedha specifike \u00ebsht\u00eb nj\u00eb mjet i \u00e7muar. P\u00ebr t\u00eb zgjidhur k\u00ebt\u00eb \u00e7\u00ebshtje, \u00ebsht\u00eb realizuar protokolli sFlow, q\u00eb lejon kapjen e dy paketave nga \u00e7do nj\u00ebqind. Megjithat\u00eb, ndonj\u00ebher\u00eb kjo mund t\u00eb jet\u00eb e pamjaftueshme p\u00ebr analiz\u00ebn dhe shqyrtimin e duhur t\u00eb rrjedh\u00ebs. Prandaj, nj\u00eb alternativ\u00eb \u00ebsht\u00eb NetFlow, i realizuar nga Cisco, i cili lejon grumbullimin dhe eksportimin 100% t\u00eb t\u00eb gjitha paketa n\u00eb rrjedh\u00ebn p\u00ebrkat\u00ebse p\u00ebr analiz\u00eb t\u00eb m\u00ebvonshme.<\/p>\n<p>Nj\u00eb ve\u00e7ori tjet\u00ebr, megjithat\u00eb, e disponueshme vet\u00ebm n\u00eb realizimin e harduerit t\u00eb kontrolluesve, e cila lejon automatizimin e funksionimit t\u00eb rrjetit wireless n\u00eb kontrolluesit Cisco Catalyst t\u00eb seris\u00eb 9800, \u00ebsht\u00eb mb\u00ebshtetje e integruar p\u00ebr gjuh\u00ebn Python si nj\u00eb zgjerim p\u00ebr p\u00ebrdorimin e skripteve direkt n\u00eb kontrolluesin wireless.<\/p>\n<p>Dhe, n\u00eb fund, p\u00ebr operacionet e monitorimit dhe menaxhimit n\u00eb kontrolluesit Cisco Catalyst t\u00eb seris\u00eb 9800, mb\u00ebshtetet protokolli i njohur SNMP versione 1, 2 dhe 3.<\/p>\n<p>K\u00ebshtu, n\u00eb ky\u00e7in e automatizimit, zgjidhjet Cisco Catalyst t\u00eb seris\u00eb 9800 plot\u00ebsojn\u00eb plot\u00ebsisht k\u00ebrkesat moderne t\u00eb biznesit, duke ofruar si mjete t\u00eb reja dhe unike ashtu edhe ato t\u00eb provuara dhe t\u00eb testuara p\u00ebr ekzekutimin automatizues t\u00eb operacioneve dhe analitik\u00ebs n\u00eb rrjetet wireless t\u00eb \u00e7do madh\u00ebsie dhe kompleksiteti.<\/p>\n<h2><strong>P\u00ebrfundim<\/strong><\/h2>\n<p>\nN\u00eb zgjidhjet e bazuara n\u00eb kontrolluesit Cisco Catalyst t\u00eb seris\u00eb 9800, kompania Cisco ka demonstruar rezultate t\u00eb shk\u00eblqyera n\u00eb kategorit\u00eb: disponueshm\u00ebri e lart\u00eb, siguri dhe automatizim.<\/p>\n<p>Zgjidhja plot\u00ebson t\u00eb gjitha k\u00ebrkesat p\u00ebr disponueshm\u00ebrin\u00eb e lart\u00eb, t\u00eb tilla si kalimi i menj\u00ebhersh\u00ebm p\u00ebr m\u00eb pak se nj\u00eb sekond\u00eb gjat\u00eb ngjarjeve t\u00eb paparashikuara dhe koha e zero koshit p\u00ebr ngjarje t\u00eb planifikuara.<\/p>\n<p>N\u00eb kontrolluesit Cisco Catalyst t\u00eb seris\u00eb 9800 \u00ebsht\u00eb realizuar nj\u00eb mbrojtje sip\u00ebrfaq\u00ebsore, q\u00eb siguron kontroll t\u00eb thell\u00eb t\u00eb paketave p\u00ebr njohjen dhe menaxhimin e aplikacioneve, transparenc\u00ebn e plot\u00eb t\u00eb flukseve t\u00eb t\u00eb dh\u00ebnave dhe identifikimin e k\u00ebrc\u00ebnimeve t\u00eb fshehura n\u00eb trafikun e enkriptuar, si dhe aplikohen mekanizma t\u00eb avancuar t\u00eb autentikimit dhe mbrojtjes s\u00eb pajisjeve klientike.<\/p>\n<p>P\u00ebr automatizimin e operacioneve dhe analitik\u00ebs, zgjidhjet Cisco Catalyst t\u00eb seris\u00eb 9800 kan\u00eb mund\u00ebsi t\u00eb gjera, duke p\u00ebrdorur modele standarde t\u00eb njohura: YANG, NETCONF, RESTCONF, API tradicionale dhe skripte t\u00eb integruara Python.<\/p>\n<p>K\u00ebshtu, kompania Cisco edhe nj\u00eb her\u00eb konfirmon statusin e saj si nj\u00eb prodhues kryesor global t\u00eb zgjidhjeve t\u00eb rrjetit, duke qen\u00eb n\u00eb hap me koh\u00ebn dhe duke marr\u00eb parasysh t\u00eb gjitha sfidat e biznesit modern.<\/p>\n<p>Mund t\u00eb njihni m\u00eb shum\u00eb informacion n\u00eb lidhje me familjen e komutator\u00ebve Catalyst n\u00eb <noindex><a rel=\"nofollow\" href=\"https:\/\/www.cisco.com\/c\/ru_ru\/solutions\/enterprise-networks\/catalyst-9000.html?dtid=oblgotr000654\"> website<\/a><\/noindex> Cisco.<br \/>\n<br \/>Burimi: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/cisco\/blog\/512220\/\">habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 2019 \u0433\u043e\u0434\u0443 \u043a\u043e\u043d\u0441\u0430\u043b\u0442\u0438\u043d\u0433\u043e\u0432\u0430\u044f \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Miercom \u043f\u0440\u043e\u0432\u0435\u043b\u0430 \u043d\u0435\u0437\u0430\u0432\u0438\u0441\u0438\u043c\u0443\u044e \u0442\u0435\u0445\u043d\u043e\u043b\u043e\u0433\u0438\u0447\u0435\u0441\u043a\u0443\u044e \u043e\u0446\u0435\u043d\u043a\u0443 Wi-Fi 6 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440\u043e\u0432 Cisco Catalyst \u0441\u0435\u0440\u0438\u0438 9800. \u0414\u043b\u044f \u0434\u0430\u043d\u043d\u043e\u0433\u043e \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u043d\u0438\u044f \u0431\u044b\u043b \u0441\u043e\u0431\u0440\u0430\u043d \u0442\u0435\u0441\u0442\u043e\u0432\u044b\u0439 \u0441\u0442\u0435\u043d\u0434 \u0438\u0437 \u043a\u043e\u043d\u0442\u0440\u043e\u043b\u043b\u0435\u0440\u043e\u0432 \u0438 \u0442\u043e\u0447\u0435\u043a \u0434\u043e\u0441\u0442\u0443\u043f\u0430 Wi-Fi 6 \u043e\u0442 Cisco, \u0438 \u0431\u044b\u043b\u0430 \u043f\u0440\u043e\u0432\u0435\u0434\u0435\u043d\u0430 \u043e\u0446\u0435\u043d\u043a\u0430 \u0442\u0435\u0445\u043d\u0438\u0447\u0435\u0441\u043a\u043e\u0433\u043e \u0440\u0435\u0448\u0435\u043d\u0438\u044f \u0432 \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0445 \u043a\u0430\u0442\u0435\u0433\u043e\u0440\u0438\u044f\u0445: 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