{"id":2563,"date":"2017-07-08T00:04:18","date_gmt":"2017-07-07T17:04:18","guid":{"rendered":"https:\/\/engisv.info\/?p=2563"},"modified":"2017-07-08T00:04:18","modified_gmt":"2017-07-07T17:04:18","slug":"lua-chon-giai-phap-wifi","status":"publish","type":"post","link":"https:\/\/www.engisv.info\/?p=2563","title":{"rendered":"L\u1ef1a ch\u1ecdn gi\u1ea3i ph\u00e1p Wifi"},"content":{"rendered":"<p>V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n m\u1ea1nh c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb nh\u01b0 \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh, m\u00e1y t\u00ednh x\u00e1ch tay, m\u00e1y t\u00ednh b\u1ea3ng, c\u00e1c mini PC nh\u01b0 Chromecast ph\u1ee5c v\u1ee5 c\u00e1c m\u1ee5c \u0111\u00edch nh\u01b0 tr\u00ecnh chi\u1ebfu, truy\u1ec1n h\u00ecnh internet&#8230; l\u00e0m gia t\u0103ng nhanh ch\u1ed1ng nhu c\u1ea7u s\u1eed d\u1ee5ng Wifi, v\u00ec v\u1eady vi\u1ec7c ch\u1ecdn gi\u1ea3i ph\u00e1p Wifi ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c ch\u00fa tr\u1ecdng h\u01a1n trong m\u1ea1ng doanh nghi\u1ec7p. V\u1edbi nhu c\u1ea7u nh\u01b0 v\u1eady th\u00ec c\u00e0ng ng\u00e0y c\u00e0ng c\u00f3 nhi\u1ec1u nh\u00e0 cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p Wifi. \u00a0\u0110\u1ec3 ch\u1ecdn m\u1ed9t gi\u1ea3i ph\u00e1p tri\u1ec3n khai, th\u00f4ng th\u01b0\u1eddng c\u00f3 c\u00e1c y\u1ebfu t\u1ed1 c\u1ea7n quan t\u00e2m nh\u01b0 qu\u1ea3n tr\u1ecb h\u1ec7 th\u1ed1ng, kh\u1ea3 n\u0103ng v\u1eadn h\u00e0nh, \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng ph\u1ee5c v\u1ee5, kh\u1ea3 n\u0103ng chuy\u1ec3n v\u00f9ng v\u00e0 ph\u00e1t chuy\u1ec3n ti\u1ebfp (repeater), ph\u00f9 h\u1ee3p v\u1edbi h\u1ea1 t\u1ea7ng hi\u1ec7n c\u00f3, \u0111\u1ed9 b\u1ea3o m\u1eadt, gi\u00e1 c\u1ea3.<\/p>\n<p><strong>Qu\u1ea3n tr\u1ecb h\u1ec7 th\u00f4ng<\/strong>: C\u00f3 hai ph\u01b0\u01a1ng ph\u00e1p qu\u1ea3n tr\u1ecb h\u1ec7 th\u1ed1ng Wifi ch\u00ednh l\u00e0 Controller trong m\u1ea1ng LAN v\u00e0 Cloud Controller. C\u00e1c lo\u1ea1i\u00a0Controller cho ph\u00e9p ng\u01b0\u1eddi qu\u1ea3n tr\u1ecb qu\u1ea3n l\u00fd t\u1eadp trung to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng Wifi v\u1edbi c\u00e1c th\u00f4ng tin Access Point, SSID, ph\u01b0\u01a1ng ph\u00e1p ch\u1ee9ng th\u1ef1c m\u00e3 h\u00f3a&#8230; Ngo\u00e0i ra c\u00f3 m\u1ed9t ph\u01b0\u01a1ng ph\u00e1p n\u1eefa l\u00e0 qu\u1ea3n tr\u1ecb t\u1eebng thi\u1ebft b\u1ecb ri\u00eang l\u1ebb v\u00e0 li\u00ean k\u1ebft ch\u00fang l\u1ea1i v\u1edbi WDS (Wireless Distribution System).<\/p>\n<p><strong>S\u1eed d\u1ee5ng Cloud controller:<\/strong><\/p>\n<p>V\u1edbi s\u01b0 ph\u00e1t tri\u1ec3n c\u1ee7a \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y, th\u00ec c\u00f3 h\u00e0ng lo\u1ea1t c\u00e1c nh\u00e0 cung c\u1ea5p \u0111\u00e3 cung c\u1ea5p c\u00e1c \u1ee9ng d\u1ee5ng Wifi controller tr\u00ean m\u00f4i tr\u01b0\u1eddng n\u00e0y, v\u00ed d\u1ee5 nh\u01b0 Meraki c\u1ee7a Cisco, Cloudtrax v\u1edbi Openmesh&#8230; V\u1edbi ph\u01b0\u01a1ng ph\u00e1p n\u00e0y, ng\u01b0\u1eddi qu\u1ea3n tr\u1ecb c\u00f3 th\u1ec3 qu\u1ea3n tr\u1ecb c\u00e1c thi\u1ebft b\u1ecb th\u00f4ng qua m\u00f4i tr\u01b0\u1eddng internet.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2574 aligncenter\" src=\"https:\/\/www.engisv.info\/wp-content\/uploads\/2017\/07\/Wifi_controller-1.png\" alt=\"\" width=\"617\" height=\"326\" \/><\/p>\n<p>V\u1edbi m\u1ed9t t\u00e0i kho\u1ea3n duy nh\u1ea5t, ng\u01b0\u1eddi qu\u1ea3n tr\u1ecb c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng c\u00f3 qu\u1ea3n l\u00fd c\u00e1c h\u1ec7 th\u1ed1ng Wifi \u1edf c\u00e1c v\u1ecb tr\u00ed \u0111\u1ecba l\u00fd kh\u00e1c nhau.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2575 aligncenter\" src=\"https:\/\/www.engisv.info\/wp-content\/uploads\/2017\/07\/Wifi_controller-2.png\" alt=\"\" width=\"636\" height=\"373\" \/><\/p>\n<p>Gi\u1ea3i ph\u00e1p n\u00e0y c\u0169ng c\u00f3 th\u1ec3 cung c\u1ea5p kh\u1ea3 n\u0103ng li\u00ean k\u1ebft v\u1edbi h\u1ea1 t\u1ea7ng c\u00f3 s\u1eb5n nh\u01b0 ch\u1ee9ng th\u1ef1c, VLAN&#8230; Gi\u1ea3i ph\u00e1p n\u00e0y ph\u1ee7 h\u1ee3p cho vi\u1ec7c tri\u1ec3n khai \u0111\u1ed1i v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng Wifi c\u00f4ng c\u00f4ng nh\u01b0 \u1edf tr\u01b0\u1eddng h\u1ecdc, Wifi ph\u1ee5c v\u1ee5 kh\u00e1ch h\u00e0ng cho c\u00e1c h\u1ec7 th\u1ed1ng b\u00e1n h\u00e0ng, nh\u00e0 h\u00e0ng, chu\u1ed7i qu\u00e1n Cafe, c\u00e1c c\u00f4ng ty c\u00f3 nhi\u1ec1u ph\u00f2ng ban, chi nh\u00e1nh, v\u0103n ph\u00f2ng \u0111\u1ea1i di\u1ec7n \u00a0n\u1eb1m nhi\u1ec1u n\u01a1i tr\u1ea3i r\u1ed9ng tr\u00ean c\u00e1c v\u00f9ng \u0111\u1ecba l\u00fd kh\u00e1c nhau&#8230; nh\u01b0ng l\u01b0\u1ee3ng nh\u00e2n vi\u00ean IT h\u1ea1n ch\u1ebf.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2576 aligncenter\" src=\"https:\/\/www.engisv.info\/wp-content\/uploads\/2017\/07\/Wifi_controller-3.png\" alt=\"\" width=\"638\" height=\"312\" \/><\/p>\n<p>Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a gi\u1ea3i ph\u00e1p n\u00e0y l\u00e0 b\u1ea1n ph\u1ea3i \u0111\u1ea3m b\u1ea3o y\u00eau c\u1ea7u v\u1ec1 b\u0103ng th\u00f4ng cho c\u00e1c thi\u1ebft b\u1ecb m\u1ea1ng c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c \u0111\u1ebfn Cloud, ph\u1ea7n l\u1edbn c\u00e1c nh\u00e0 cung c\u1ea5p th\u00f4ng th\u01b0\u1eddng l\u1ea1i \u0111\u1eb7t \u1edf n\u01b0\u1edbc ngo\u00e0i, trong tr\u01b0\u1eddng h\u1ee3p \u0111\u01b0\u1eddng truy\u1ec1n internet kh\u00f4ng \u1ed5n \u0111\u1ecbnh, c\u00f3 th\u1ec3 d\u1ea9n \u0111\u1ebfn t\u00ecnh tr\u1ea1ng c\u1ea3 h\u1ec7 th\u1ed1ng Wifi r\u01a1i v\u00e0o t\u00ecnh tr\u1ea1ng ch\u1eadp ch\u1eddn, th\u1eadm ch\u00ed c\u00f3 th\u1ec3 g\u00e2y kh\u00f3 kh\u0103n cho vi\u1ec7c k\u1ebft n\u1ed1i v\u1edbi m\u1ea1ng LAN.<\/p>\n<p><strong>S\u1eed d\u1ee5ng Controller trong LAN<\/strong>:<\/p>\n<p>V\u1edbi ph\u01b0\u01a1ng ph\u00e1p n\u00e0y c\u00f3 th\u1ec3 tri\u1ec3n khai Software Controller ho\u1eb7c Hardware Controller, ph\u1ee5 thu\u1ed9c v\u00e0o c\u00f4ng ngh\u1ec7 \u0111\u01b0\u1ee3c l\u1ef1a chon v\u00e0 nh\u00e0 cung c\u1ea5p. C\u00e1c nh\u00e0 cung c\u1ea5p n\u1ed5i ti\u1ebfng nh\u01b0 Cisco, TP-Link, Unifi&#8230;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2577 aligncenter zoooom\" src=\"https:\/\/www.engisv.info\/wp-content\/uploads\/2017\/07\/Wifi_controller-4.png\" alt=\"\" width=\"671\" height=\"384\" \/><\/p>\n<p>V\u1edbi h\u1ec7 th\u1ed1ng n\u00e0y, khi c\u00f3 s\u1ef1 c\u1ed1 v\u1edbi \u0111\u01b0\u1eddng truy\u1ec1n internet th\u00ec c\u0169ng kh\u00f4ng \u1ea3nh h\u01b0\u1edfng g\u00ec \u0111\u1ebfn h\u1ec7 th\u1ed1ng Wifi v\u00e0 truy c\u1eadp LAN v\u1eabn \u1ed5n \u0111\u1ecbnh.<\/p>\n<p>Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a gi\u1ea3i ph\u00e1p n\u00e0y, trong tr\u01b0\u1eddng h\u1ee3p Controller b\u1ecb l\u1ed7i s\u1ebd d\u1eabn \u0111\u1ebfn to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng Wifi t\u00ea li\u1ec7t v\u00ec v\u1eady c\u1ea7n ph\u1ea3i c\u1ea5u h\u00ecnh v\u00e0 trang b\u1ecb kh\u1ea3 n\u0103ng ch\u1ed1ng ch\u1ecbu l\u1ed7i. Gi\u1ea3i ph\u00e1p n\u00e0y c\u0169ng kh\u00f3 c\u00f3 th\u1ec3 tri\u1ec3n khai di\u1ec7n r\u1ed9ng nh\u01b0 gi\u1ea3i ph\u00e1p Controller s\u1eed d\u1ee5ng Cloud.<\/p>\n<p><strong>S\u1eed d\u1ee5ng k\u1ef9 thu\u1eadt WDS (Wireless Distribution System):<\/strong><\/p>\n<p>V\u1edbi k\u1ef9 thu\u1eadt n\u00e0y, cho ph\u00e9p m\u1edf r\u1ed9ng nhi\u1ec1u Access Point s\u1eed d\u1ee5ng chung m\u1ed9t SSID. C\u00e1c Access Point c\u00f3 th\u1ec3 c\u00f9ng k\u1ebft n\u1ed1i v\u1edbi nhau th\u00f4ng qua m\u1ed9t Switch ho\u1eb7c ch\u00fang c\u0169ng c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i v\u1edbi nhau th\u00f4ng qua s\u00f3ng Wifi m\u00e0 kh\u00f4ng c\u1ea7n \u0111\u1ea5u n\u1ed1i d\u00e2y, ho\u1ea1t \u0111\u1ed9ng nh\u01b0 \u00a0repeater.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2588 aligncenter\" src=\"https:\/\/www.engisv.info\/wp-content\/uploads\/2017\/07\/Wifi_controller-5.png\" alt=\"\" width=\"791\" height=\"234\" \/><\/p>\n<p>K\u1ef9 thu\u1eadt n\u00e0y \u0111\u01a1n gi\u1ea3n v\u00e0 r\u1ebb ti\u1ec1n, kh\u00f4ng c\u1ea7n s\u1eed d\u1ee5ng \u0111\u1ebfn Controller ch\u1ec9 c\u1ea7n m\u1ed9t Access Point \u0111\u1ee9ng ra l\u00e0 Root, nh\u01b0ng nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a n\u00f3 l\u00e0 kh\u00f4ng qu\u1ea3n tr\u1ecb t\u1eadp trung \u0111\u01b0\u1ee3c d\u1ea9n \u0111\u1ebfn c\u00e0ng m\u1edf r\u1ed9ng m\u1ea1ng th\u00ec c\u00e0ng kh\u00f3 kh\u0103n trong thi\u1ebft l\u1eadp n\u1ebfu c\u00f3 y\u00eau c\u1ea7u thay \u0111\u1ed5i tr\u00ean h\u1ec7 th\u1ed1ng.<\/p>\n<p><strong>L\u1ef1a ch\u1ecdn Access Point:<\/strong><\/p>\n<p>C\u00e1c gi\u1ea3i ph\u00e1p Controller s\u1ebd ph\u1ea3i d\u00f9ng c\u00e1c Access Point c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t.<\/p>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng kh\u00e1c nhau th\u00ec c\u00e1c Access Point c\u0169ng \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn kh\u00e1c nhau cho t\u1eebng m\u1ee5c \u0111\u00edch nh\u01b0 trong nh\u00e0 hay ngo\u00e0i tr\u1eddi, m\u00f4i tr\u01b0\u1eddng nhi\u1ec3u hay kh\u00f4ng, di\u1ec7n t\u00edch, s\u1ed1 l\u01b0\u1ee3ng ng\u01b0\u1eddi d\u00f9ng&#8230;<\/p>\n<p>L\u1ef1a ch\u1ecdn b\u1ed1 tr\u00ed v\u1ecb tr\u00ed c\u00e1c Access Point h\u1ee3p l\u00fd, \u0111\u1ed1i v\u1edbi c\u00e1c v\u1ecb tr\u00ed s\u1eed d\u1ee5ng nhi\u1ec1u ph\u1ea3i s\u1eed d\u1ee5ng c\u00e1c Access Point c\u00f3 c\u00f4ng su\u1ea5t l\u1edbn, ch\u1ecbu t\u1ea3i cao. Nh\u1eefng v\u00f9ng \u00edt ng\u01b0\u1eddi d\u00f9ng s\u1eed d\u1ee5ng c\u00e1c Access Point c\u00f4ng su\u1ea5t nh\u1ecf \u0111\u1ec3 l\u1ea5p \u0111\u1ea7u kho\u1ea3n tr\u1ed1ng.<\/p>\n<p>Lu\u00f4n c\u00f3 k\u1ebf ho\u1ea1ch b\u00f9 t\u1ea3i khi c\u1ea7n thi\u1ebft, m\u1ed7i Access Point ch\u1ec9 c\u00f3 kh\u1ea3 n\u0103ng \u0111\u00e1p \u1ee9ng m\u1ed9t s\u1ed1 l\u01b0\u1ee3ng k\u1ebft n\u1ed1i nh\u1ea5t \u0111\u1ecbnh, n\u1ebfu v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n th\u00ec s\u1ebd d\u1ea9n \u0111\u1ebfn t\u00ecnh tr\u1ea1ng kh\u00f3 k\u1ebft n\u1ed1i \u1edf c\u00e1c thi\u1ebft b\u1ecb s\u1eed d\u1ee5ng Wifi.<\/p>\n<p><strong>V\u1ea5n \u0111\u1ec1 chi ph\u00ed:<\/strong><\/p>\n<p>Ngo\u00e0i c\u00e1c v\u1ea5n \u0111\u1ec1 k\u1ef9 thu\u1eadt, c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 chi ph\u00ed c\u0169ng ph\u1ea3i \u0111\u01b0\u1ee3c c\u00e2n nh\u1eafc khi ch\u1ecdn c\u00e1c gi\u1ea3 ph\u00e1p ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u th\u1ee5c t\u1ebf.<\/p>\n<p>V\u1edbi c\u00e1c gi\u1ea3i ph\u00e1p Controller, ng\u01b0\u1eddi x\u00e2y d\u1ef1ng h\u1ec7 th\u1ed1ng ph\u1ea3i l\u01b0u \u00fd \u0111\u1ebfn ph\u1ea7n Licence, c\u00f3 nh\u1eefng gi\u1ea3i ph\u00e1p ph\u1ea3i tr\u1ea3 ph\u00ed, c\u00f3 nh\u1eefng gi\u1ea3i ph\u00e1p s\u1ebd kh\u00f4ng c\u1ea7n tr\u1ea3 ph\u00ed.<\/p>\n<p>L\u1ef1a ch\u1ecdn Access Point h\u1ee3p l\u00fd \u0111\u1ec3 c\u1eaft gi\u1ea3m chi ph\u00ed, tr\u00e1nh \u00a0t\u00ecnh tr\u1ea1ng mua thi\u1ebft b\u1ecb m\u00e0 kh\u00f4ng th\u1ec3 khai th\u00e1c h\u1ebft c\u00f4ng su\u1ea5t.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n m\u1ea1nh c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb nh\u01b0 \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh, m\u00e1y t\u00ednh x\u00e1ch tay, m\u00e1y t\u00ednh b\u1ea3ng, c\u00e1c mini PC nh\u01b0 Chromecast ph\u1ee5c v\u1ee5 c\u00e1c m\u1ee5c \u0111\u00edch nh\u01b0 tr\u00ecnh chi\u1ebfu, truy\u1ec1n h\u00ecnh internet&#8230; l\u00e0m gia t\u0103ng nhanh ch\u1ed1ng nhu c\u1ea7u s\u1eed d\u1ee5ng Wifi, v\u00ec v\u1eady vi\u1ec7c ch\u1ecdn gi\u1ea3i ph\u00e1p Wifi ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c ch\u00fa tr\u1ecdng h\u01a1n trong m\u1ea1ng doanh nghi\u1ec7p. V\u1edbi nhu c\u1ea7u nh\u01b0 v\u1eady th\u00ec c\u00e0ng ng\u00e0y c\u00e0ng c\u00f3 nhi\u1ec1u nh\u00e0 cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p Wifi. \u00a0\u0110\u1ec3 ch\u1ecdn m\u1ed9t gi\u1ea3i ph\u00e1p tri\u1ec3n khai, th\u00f4ng&hellip;<\/p>\n","protected":false},"author":2,"featured_media":2567,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"footnotes":""},"categories":[6,12,13],"tags":[71],"class_list":["post-2563","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-infotech","category-thiet-bi","category-thiet-bi-mang","tag-wifi"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>L\u1ef1a ch\u1ecdn gi\u1ea3i ph\u00e1p Wifi - EngISV<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.engisv.info\/?p=2563\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"L\u1ef1a ch\u1ecdn gi\u1ea3i ph\u00e1p Wifi - EngISV\" \/>\n<meta property=\"og:description\" content=\"V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n m\u1ea1nh c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb nh\u01b0 \u0111i\u1ec7n tho\u1ea1i th\u00f4ng minh, m\u00e1y t\u00ednh x\u00e1ch tay, m\u00e1y t\u00ednh b\u1ea3ng, c\u00e1c mini PC nh\u01b0 Chromecast ph\u1ee5c v\u1ee5 c\u00e1c m\u1ee5c \u0111\u00edch nh\u01b0 tr\u00ecnh chi\u1ebfu, truy\u1ec1n h\u00ecnh internet&#8230; l\u00e0m gia t\u0103ng nhanh ch\u1ed1ng nhu c\u1ea7u s\u1eed d\u1ee5ng Wifi, v\u00ec v\u1eady vi\u1ec7c ch\u1ecdn gi\u1ea3i ph\u00e1p Wifi ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c ch\u00fa tr\u1ecdng h\u01a1n trong m\u1ea1ng doanh nghi\u1ec7p. 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