{"id":15483,"date":"2022-03-14T16:47:18","date_gmt":"2022-03-14T09:47:18","guid":{"rendered":"http:\/\/helpamis.misa.vn\/amis-cham-cong\/?post_type=ht_kb&#038;p=15483"},"modified":"2025-12-09T08:22:56","modified_gmt":"2025-12-09T01:22:56","slug":"cham-cong-tren-ung-dung-lam-the-nao-de-tra-cuu-bssid-cua-wifi","status":"publish","type":"ht_kb","link":"http:\/\/helpamis.misa.vn\/amis-cham-cong\/kb\/cham-cong-tren-ung-dung-lam-the-nao-de-tra-cuu-bssid-cua-wifi\/","title":{"rendered":"L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 tra c\u1ee9u BSSID c\u1ee7a Wi-Fi, c\u00e1c l\u1ed7i th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c"},"content":{"rendered":"<div class=\"su-accordion su-u-trim\">\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-plus\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span><\/p>\n<h3><b>1. T\u1ed5ng quan<\/b><\/h3>\n<p><\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">\n<b>M\u1ee5c \u0111\u00edch:<\/b> H\u01b0\u1edbng d\u1eabn tra c\u1ee9u BSSID v\u00e0 x\u1eed l\u00fd l\u1ed7i khi ch\u1ea5m c\u00f4ng b\u1eb1ng Wi-Fi.<br \/>\n<b>N\u1ed9i dung:<\/b><\/p>\n<ul>\n<li>C\u00e1c m\u00f4 h\u00ecnh Wi-Fi ph\u1ed5 bi\u1ebfn: Gia \u0111\u00ecnh, Doanh nghi\u1ec7p, Mesh<\/li>\n<li>C\u00e1ch tra c\u1ee9u BSSID t\u01b0\u01a1ng \u1ee9ng v\u1edbi t\u1eebng m\u00f4 h\u00ecnh<\/li>\n<li>C\u00e1c l\u1ed7i th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c khi ch\u1ea5m c\u00f4ng qua Wi-Fi<\/li>\n<\/ul>\n<p><b>Ph\u1ea1m vi \u00e1p d\u1ee5ng:<\/b> Nh\u00e2n vi\u00ean, Qu\u1ea3n tr\u1ecb vi\u00ean ph\u1ea7n m\u1ec1m ch\u1ea5m c\u00f4ng, IT doanh nghi\u1ec7p<\/p>\n<\/div><\/div>\n<\/div>\n<div class=\"su-accordion su-u-trim\">\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-plus\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span><\/p>\n<h3><b>2. C\u00e1c m\u00f4 h\u00ecnh Wi-Fi ph\u1ed5 bi\u1ebfn<\/b><\/h3>\n<p><\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 100%;\"><\/div><\/div>\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-plus\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span><\/p>\n<h4><b>2.1 M\u00f4 h\u00ecnh Wi-Fi \u0111\u01a1n gi\u1ea3n trong gia \u0111\u00ecnh<\/b><\/h4>\n<p><\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">\n<img decoding=\"async\" class=\"alignnone size-full\" src=\"\/amis-cham-cong\/wp-content\/uploads\/2022\/03\/1.1.cc-wifi.jpg\" alt=\"\" width=\"730\" height=\"400\" \/><\/p>\n<p>M\u00f4 h\u00ecnh n\u00e0y s\u1eed d\u1ee5ng c\u00e1c thi\u1ebft b\u1ecb c\u01a1 b\u1ea3n \u0111\u1ec3 t\u1ea1o m\u1ed9t m\u1ea1ng Wi-Fi trong m\u00f4i tr\u01b0\u1eddng gia \u0111\u00ecnh:<\/p>\n<ul>\n<li><strong>Internet (ISP):<\/strong> Nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 Internet cung c\u1ea5p k\u1ebft n\u1ed1i m\u1ea1ng.<\/li>\n<li><strong>Modem:<\/strong> Thi\u1ebft b\u1ecb chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u t\u1eeb nh\u00e0 m\u1ea1ng th\u00e0nh t\u00edn hi\u1ec7u c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng t\u1ea1i nh\u00e0.<\/li>\n<li><strong>Router:<\/strong> K\u1ebft n\u1ed1i v\u1edbi modem \u0111\u1ec3 ph\u00e1t s\u00f3ng Wi-Fi v\u00e0 ph\u00e2n ph\u1ed1i Internet t\u1edbi c\u00e1c thi\u1ebft b\u1ecb trong gia \u0111\u00ecnh. Router \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c qu\u1ea3n l\u00fd k\u1ebft n\u1ed1i m\u1ea1ng v\u00e0 ph\u00e2n ph\u1ed1i Internet \u0111\u1ebfn c\u00e1c thi\u1ebft b\u1ecb trong h\u1ec7 th\u1ed1ng.<\/li>\n<li><strong>C\u00e1c thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i:<\/strong> Laptop, \u0111i\u1ec7n tho\u1ea1i, m\u00e1y in, m\u00e1y t\u00ednh \u0111\u1ec3 b\u00e0n. C\u00e1c thi\u1ebft b\u1ecb n\u00e0y c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i qua Wi-Fi ho\u1eb7c qua d\u00e2y m\u1ea1ng (Ethernet).<\/li>\n<\/ul>\n<\/div><\/div>\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-plus\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span><\/p>\n<h4><b>2.2 M\u00f4 h\u00ecnh Wi-Fi doanh nghi\u1ec7p<\/b><\/h4>\n<p><\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">\n<img decoding=\"async\" class=\"alignnone size-full\" src=\"\/amis-cham-cong\/wp-content\/uploads\/2022\/03\/1.2.cc-wifi-1.png\" alt=\"\" width=\"733\" height=\"453\" \/><\/p>\n<p>M\u00f4 h\u00ecnh Wi-Fi trong doanh nghi\u1ec7p ph\u1ee9c t\u1ea1p h\u01a1n v\u00e0 y\u00eau c\u1ea7u qu\u1ea3n l\u00fd t\u1eadp trung v\u1edbi nhi\u1ec1u Access Point (AP) v\u00e0 m\u1ea1ng con kh\u00e1c nhau.<\/p>\n<ul>\n<li><strong>WLAN Controller:<\/strong> Qu\u1ea3n l\u00fd to\u00e0n b\u1ed9 m\u1ea1ng Wi-Fi, \u0111i\u1ec1u ph\u1ed1i k\u1ebft n\u1ed1i gi\u1eefa c\u00e1c Access Point (AP).<\/li>\n<li><strong>Core Network:<\/strong> H\u1ea1 t\u1ea7ng m\u1ea1ng ch\u00ednh k\u1ebft n\u1ed1i t\u1ea5t c\u1ea3 c\u00e1c thi\u1ebft b\u1ecb v\u00e0 h\u1ec7 th\u1ed1ng trong doanh nghi\u1ec7p.<\/li>\n<li><strong>Access Switch:<\/strong> C\u00e1c switch k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp v\u1edbi Access Point \u0111\u1ec3 cung c\u1ea5p Internet v\u00e0 c\u1ea5p ngu\u1ed3n qua PoE (Power over Ethernet).<\/li>\n<li><strong>Access Point (AP):<\/strong> Ph\u00e1t s\u00f3ng Wi-Fi t\u1edbi c\u00e1c khu v\u1ef1c l\u00e0m vi\u1ec7c v\u00e0 thi\u1ebft b\u1ecb ng\u01b0\u1eddi d\u00f9ng. M\u1ed7i AP c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 nhi\u1ec1u SSID (d\u1ea1ng m\u1ea1ng Wi-Fi), v\u00ed d\u1ee5:\n<ul>\n<li><strong>Company-GUEST:<\/strong> M\u1ea1ng Wi-Fi d\u00e0nh cho kh\u00e1ch.<\/li>\n<li><strong>Company-HGMT:<\/strong> M\u1ea1ng Wi-Fi cho c\u00e1c b\u1ed9 ph\u1eadn qu\u1ea3n l\u00fd.<\/li>\n<li><strong>Company-HR:<\/strong> M\u1ea1ng Wi-Fi cho b\u1ed9 ph\u1eadn nh\u00e2n s\u1ef1.<\/li>\n<li><strong>Company-ADMIN:<\/strong> M\u1ea1ng Wi-Fi cho b\u1ed9 ph\u1eadn qu\u1ea3n tr\u1ecb.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>C\u00e1c nh\u00f3m ng\u01b0\u1eddi d\u00f9ng trong doanh nghi\u1ec7p \u0111\u01b0\u1ee3c ph\u00e2n chia d\u1ef1a tr\u00ean SSID \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o b\u1ea3o m\u1eadt v\u00e0 d\u1ec5 d\u00e0ng qu\u1ea3n l\u00fd.<\/p>\n<\/div><\/div>\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-plus\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span><\/p>\n<h4><b>2.3 M\u00f4 h\u00ecnh Wi-Fi Mesh<\/b><\/h4>\n<p><\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">\n<img decoding=\"async\" class=\"alignnone size-full\" src=\"\/amis-cham-cong\/wp-content\/uploads\/2022\/03\/1.3.cc-wifi.png\" alt=\"\" width=\"1692\" height=\"890\" \/><\/p>\n<p>Wi-Fi Mesh l\u00e0 gi\u1ea3i ph\u00e1p m\u1edf r\u1ed9ng ph\u1ea1m vi s\u00f3ng Wi-Fi, \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch trong nh\u1eefng kh\u00f4ng gian l\u1edbn ho\u1eb7c c\u00f3 nhi\u1ec1u v\u1eadt c\u1ea3n:<\/p>\n<ul>\n<li><strong>Internet:<\/strong> K\u1ebft n\u1ed1i t\u1eeb ISP qua Router.<\/li>\n<li><strong>Router:<\/strong> Thi\u1ebft b\u1ecb ch\u00ednh cung c\u1ea5p Internet v\u00e0 k\u1ebft n\u1ed1i v\u1edbi c\u00e1c \u0111i\u1ec3m truy c\u1eadp (CAP) qua Ethernet ho\u1eb7c Wi-Fi.<\/li>\n<li><strong>Wi-Fi Mesh:<\/strong>\n<ul>\n<li><strong>CAP (Central Access Point):<\/strong> \u0110i\u1ec3m truy c\u1eadp trung t\u00e2m k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp v\u1edbi Router.<\/li>\n<li><strong>MRE (Mesh Range Extender):<\/strong> C\u00e1c thi\u1ebft b\u1ecb m\u1edf r\u1ed9ng s\u00f3ng Wi-Fi, k\u1ebft n\u1ed1i kh\u00f4ng d\u00e2y v\u1edbi CAP ho\u1eb7c c\u00e1c MRE kh\u00e1c \u0111\u1ec3 m\u1edf r\u1ed9ng ph\u1ea1m vi ph\u1ee7 s\u00f3ng.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>H\u1ec7 th\u1ed1ng Mesh gi\u00fap k\u1ebft n\u1ed1i \u1ed5n \u0111\u1ecbnh v\u00e0 m\u1edf r\u1ed9ng ph\u1ea1m vi ph\u1ee7 s\u00f3ng Wi-Fi m\u00e0 kh\u00f4ng gi\u1ea3m hi\u1ec7u su\u1ea5t, \u0111\u1eb7c bi\u1ec7t khi nhi\u1ec1u ng\u01b0\u1eddi s\u1eed d\u1ee5ng m\u1ea1ng c\u00f9ng l\u00fac.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div><\/div>\n<\/div>\n<div class=\"su-accordion su-u-trim\">\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-plus\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span><\/p>\n<h3><b>3. Tra c\u1ee9u BSSID t\u01b0\u01a1ng \u1ee9ng v\u1edbi t\u1eebng m\u00f4 h\u00ecnh<\/b><\/h3>\n<p><\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">\n<table style=\"border-collapse: collapse; width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 100%;\"><\/div><\/div>\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-plus\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span><\/p>\n<h4><b>3.1 BSSID c\u1ee7a Wi-Fi \u0111\u01a1n gi\u1ea3n trong gia \u0111\u00ecnh v\u00e0 Wi-Fi doanh nghi\u1ec7p<\/b><\/h4>\n<p><\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">\nAnh ch\u1ecb s\u1eed d\u1ee5ng tool ch\u1ea5m c\u00f4ng c\u1ee7a \u1ee9ng d\u1ee5ng \u0111\u1ec3 tra c\u1ee9u. N\u1ebfu ch\u01b0a c\u00e0i \u0111\u1eb7t tool, anh ch\u1ecb truy c\u1eadp v\u00e0o ph\u00e2n h\u1ec7 <strong>Thi\u1ebft l\u1eadp<\/strong> \\\u00a0<strong>Quy \u0111\u1ecbnh ch\u1ea5m c\u00f4ng<\/strong> \\\u00a0<strong>M\u00e1y ch\u1ea5m c\u00f4ng<\/strong>, ch\u1ecdn T\u1ea3i xu\u1ed1ng tool ch\u1ea5m c\u00f4ng v\u00e0 c\u00e0i \u0111\u1eb7t nh\u01b0 h\u01b0\u1edbng d\u1eabn tr\u00ean ph\u1ea7n m\u1ec1m.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full\" src=\"\/amis-cham-cong\/wp-content\/uploads\/2022\/03\/1.6.cc-wifi.png\" alt=\"\" width=\"1714\" height=\"927\" \/><\/p>\n<p>Sau khi c\u00e0i \u0111\u1eb7t xong tool ch\u1ea5m c\u00f4ng, anh ch\u1ecb \u0111\u0103ng nh\u1eadp v\u00e0o tool v\u00e0 ch\u1ecdn ph\u00e2n h\u1ec7 <strong>Tra c\u1ee9u BSSID<\/strong> \\ nh\u1ea5n <strong>L\u1ea5y BSSID<\/strong> (<em><strong>v\u1edbi \u0111i\u1ec1u ki\u1ec7n thi\u1ebft b\u1ecb c\u1ee7a anh ch\u1ecb \u0111\u00e3 \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i \u0111\u00fang \u0111\u1ebfn Wi-Fi c\u1ea7n thi\u1ebft l\u1eadp \u0111\u1ec3 ch\u1ea5m c\u00f4ng<\/strong><\/em>).<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full\" src=\"\/amis-cham-cong\/wp-content\/uploads\/2022\/03\/1.7.cc-wifi.png\" alt=\"\" width=\"1089\" height=\"742\" \/><\/p>\n<p>Khi \u0111\u00f3, tool s\u1ebd t\u1ef1 \u0111\u1ed9ng th\u1ed1ng k\u00ea c\u00e1c BSSID thu\u1ed9c Wi-Fi m\u00e0 thi\u1ebft b\u1ecb \u0111ang k\u1ebft n\u1ed1i. Anh ch\u1ecb s\u1eed d\u1ee5ng c\u00e1c m\u00e3 n\u00e0y \u0111\u1ec3 khai b\u00e1o l\u00ean thi\u1ebft l\u1eadp Wi-Fi ch\u1ea5m c\u00f4ng.<\/p>\n<p><em><strong>*L\u01b0u \u00fd:<\/strong> N\u1ebfu \u0111\u01a1n v\u1ecb c\u00f3 nhi\u1ec1u m\u1ea1ng Wi-Fi ch\u1ea5m c\u00f4ng th\u00ec anh ch\u1ecb c\u1ea7n k\u1ebft n\u1ed1i v\u1edbi t\u1eebng Wi-Fi \u0111\u1ec3 l\u1ea5y BSSID \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a l\u1ea7n l\u01b0\u1ee3t c\u00e1c Wi-Fi \u0111\u00f3.<\/em><\/p>\n<p><em><strong>V\u00ed d\u1ee5:<\/strong> C\u00f4ng ty c\u00f3 5 t\u1ea7ng, m\u1ed7i t\u1ea7ng s\u1eed d\u1ee5ng 1 m\u1ea1ng Wi-Fi kh\u00e1c nhau. Quy \u0111\u1ecbnh c\u1ee7a c\u00f4ng ty cho ph\u00e9p nh\u00e2n vi\u00ean \u1edf t\u1ea7ng n\u00e0o th\u00ec k\u1ebft n\u1ed1i v\u1edbi Wi-Fi t\u1ea7ng \u0111\u00f3 \u0111\u1ec3 ch\u1ea5m c\u00f4ng. V\u1eady khi ti\u1ebfn h\u00e0nh thi\u1ebft l\u1eadp Wi-Fi, anh ch\u1ecb c\u1ea7n:<\/em><\/p>\n<ul>\n<li><em>K\u1ebft n\u1ed1i v\u1edbi 5 Wi-Fi c\u1ee7a 5 t\u1ea7ng \u0111\u1ec3 l\u1ea7n l\u01b0\u1ee3t l\u1ea5y \u0111\u1ea7y \u0111\u1ee7 BSSID<\/em><\/li>\n<li><em>Sau \u0111\u00f3 khai b\u00e1o l\u00ean ph\u1ea7n m\u1ec1m, th\u00eam Wi-Fi c\u1ee7a t\u1eebng t\u1ea7ng v\u1edbi c\u00e1c m\u00e3 BSSID t\u01b0\u01a1ng \u1ee9ng.<\/em><\/li>\n<\/ul>\n<\/div><\/div>\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-plus\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span><\/p>\n<h4><b>3.2 BSSID c\u1ee7a Wi-Fi Mesh<\/b><\/h4>\n<p><\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">\nV\u1edbi m\u00f4 h\u00ecnh Wi-Fi mesh th\u00ec c\u1ea7n ph\u1ea3i truy c\u1eadp v\u00e0o h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd Wi-Fi \u0111\u1ec3 c\u00f3 th\u1ec3 l\u1ea5y \u0111\u01b0\u1ee3c to\u00e0n b\u1ed9 c\u00e1c BSSID c\u1ee7a Wi-Fi \u0111\u00f3.<\/p>\n<p>N\u1ebfu c\u00f4ng ty kh\u00f4ng c\u00f3 IT th\u00ec anh ch\u1ecb c\u00f3 th\u1ec3 li\u00ean h\u1ec7 v\u1edbi IT \u0111\u00e3 tri\u1ec3n khai h\u1ec7 th\u1ed1ng Wi-Fi \u0111\u1ec3 c\u00f3 th\u1ec3 l\u1ea5y \u0111\u01b0\u1ee3c \u0111\u1ea7y \u0111\u1ee7 th\u00f4ng tin BSSID.<\/p>\n<p><strong><em>L\u01b0u \u00fd: <\/em><\/strong><\/p>\n<ul>\n<li><em>M\u1ed7i h\u1ec7 th\u1ed1ng Wi-Fi l\u1ea1i c\u00f3 m\u1ed9t giao di\u1ec7n qu\u1ea3n tr\u1ecb kh\u00e1c nhau<\/em><\/li>\n<li><em>M\u1ed9t m\u1ea1ng Wi-Fi c\u00f3 th\u1ec3 c\u00f3 nhi\u1ec1u BSSID<\/em><\/li>\n<\/ul>\n<p><img decoding=\"async\" class=\"alignnone size-full\" src=\"\/amis-cham-cong\/wp-content\/uploads\/2022\/03\/imgpsh_fullsize_anim.jpg\" alt=\"\" width=\"1918\" height=\"1769\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div><\/div>\n<\/div>\n<div class=\"su-accordion su-u-trim\">\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-plus\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span><\/p>\n<h3><b>4. M\u1ed9t s\u1ed1 l\u1ed7i th\u01b0\u1eddng g\u1eb7p v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c<\/b><\/h3>\n<p><\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">\n<p>Tr\u01b0\u1edbc ti\u00ean, c\u1ea7n ki\u1ec3m tra s\u1ed1 l\u01b0\u1ee3ng thi\u1ebft b\u1ecb t\u1ed1i \u0111a c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i (Maximum Connected Devices) c\u1ee7a b\u1ed9 ph\u00e1t Wi-Fi (hay c\u00f2n g\u1ecdi l\u00e0 Router) \u0111\u1ec3 xem c\u00f3 ph\u00f9 h\u1ee3p v\u1edbi h\u00ecnh th\u1ee9c ch\u1ea5m c\u00f4ng b\u1eb1ng Wi-Fi hay kh\u00f4ng.<\/p>\n<p>Anh ch\u1ecb c\u00f3 th\u1ec3 ki\u1ec3m tra b\u1eb1ng 2 c\u00e1ch sau:<\/p>\n<ul>\n<li>C\u00e1ch 1: Xem th\u00f4ng tin trong s\u00e1ch h\u01b0\u1edbng d\u1eabn ho\u1eb7c tr\u00ean h\u1ed9p s\u1ea3n ph\u1ea9m c\u1ee7a router.<\/li>\n<li>C\u00e1ch 2: Truy c\u1eadp website c\u1ee7a nh\u00e0 s\u1ea3n xu\u1ea5t, t\u00ecm model router c\u1ee7a b\u1ea1n v\u00e0 ki\u1ec3m tra th\u00f4ng tin s\u1ed1 l\u01b0\u1ee3ng thi\u1ebft b\u1ecb t\u1ed1i \u0111a c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i.<\/li>\n<\/ul>\n<p><img decoding=\"async\" class=\"alignnone size-full\" src=\"\/amis-cham-cong\/wp-content\/uploads\/2022\/03\/1.4.cc-wifi.png\" alt=\"\" width=\"1027\" height=\"343\" \/><\/p>\n<p><strong>V\u00ed d\u1ee5:<\/strong> N\u1ebfu b\u1ed9 ph\u00e1t Wi-Fi c\u1ee7a b\u1ea1n ch\u1ec9 cho ph\u00e9p k\u1ebft n\u1ed1i v\u1edbi t\u1ed1i \u0111a 20 thi\u1ebft b\u1ecb, nh\u01b0ng b\u1ea1n l\u1ea1i c\u1ea7n s\u1eed d\u1ee5ng \u0111\u1ec3 ph\u1ee5c v\u1ee5 ch\u1ea5m c\u00f4ng cho s\u1ed1 l\u01b0\u1ee3ng &gt;20 nh\u00e2n vi\u00ean. Th\u00ec khi \u0111\u1ebfn th\u1eddi \u0111i\u1ec3m ch\u1ea5m c\u00f4ng, <strong>s\u1ed1 l\u01b0\u1ee3ng ng\u01b0\u1eddi k\u1ebft n\u1ed1i v\u00e0o l\u1edbn h\u01a1n s\u1ed1 l\u01b0\u1ee3ng t\u1ed1i \u0111a cho ph\u00e9p<\/strong> s\u1ebd x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng <strong>kh\u00f4ng th\u1ec3 k\u1ebft n\u1ed1i Wi-Fi<\/strong> ho\u1eb7c <strong>k\u1ebft n\u1ed1i v\u00e0o kh\u00f4ng c\u00f3 internet do b\u1ecb ngh\u1ebdn m\u1ea1ng<\/strong>.<\/p>\n<\/div><\/div>\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-plus\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span><\/p>\n<h4><b>4.1 N\u1ebfu kh\u00f4ng th\u1ec3 k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c v\u1edbi Wi-Fi<\/b><\/h4>\n<p><\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">\n<table>\n<tbody>\n<tr>\n<td><\/div><\/div>\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-plus\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span><\/p>\n<h5><b>4.1.1 Ki\u1ec3m tra thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n<\/b><\/h5>\n<p><\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">\n<ul>\n<li>Kh\u1edfi \u0111\u1ed9ng l\u1ea1i thi\u1ebft b\u1ecb: T\u1eaft ngu\u1ed3n v\u00e0 b\u1eadt l\u1ea1i \u0111i\u1ec7n tho\u1ea1i, m\u00e1y t\u00ednh ho\u1eb7c thi\u1ebft b\u1ecb c\u1ea7n k\u1ebft n\u1ed1i.<\/li>\n<li>Qu\u00ean v\u00e0 k\u1ebft n\u1ed1i l\u1ea1i Wi-Fi:\n<ol>\n<li>V\u00e0o C\u00e0i \u0111\u1eb7t Wi-Fi<\/li>\n<li>Nh\u1ea5n v\u00e0o t\u00ean m\u1ea1ng Wi-Fi (SSID) \\ Qu\u00ean m\u1ea1ng<\/li>\n<li>K\u1ebft n\u1ed1i l\u1ea1i v\u00e0 nh\u1eadp \u0111\u00fang m\u1eadt kh\u1ea9u<\/li>\n<\/ol>\n<\/li>\n<li>Ki\u1ec3m tra ch\u1ebf \u0111\u1ed9 m\u00e1y bay: \u0110\u1ea3m b\u1ea3o ch\u1ebf \u0111\u1ed9 m\u00e1y bay \u0111\u00e3 \u0111\u01b0\u1ee3c t\u1eaft.<\/li>\n<\/ul>\n<\/div><\/div>\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-plus\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span><\/p>\n<h5><b>4.1.2 Ki\u1ec3m tra Router\/Modem<\/b><\/h5>\n<p><\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">\n<ul>\n<li>Kh\u1edfi \u0111\u1ed9ng l\u1ea1i Router\/Modem: T\u1eaft Router\/Modem b\u1eb1ng n\u00fat ngu\u1ed3n ho\u1eb7c r\u00fat d\u00e2y c\u1eafm.<br \/>\nCh\u1edd 1\u20132 ph\u00fat, sau \u0111\u00f3 b\u1eadt l\u1ea1i.<\/li>\n<li>\u0110\u1ea3m b\u1ea3o thi\u1ebft b\u1ecb \u0111ang k\u1ebft n\u1ed1i v\u1edbi \u0111\u00fang m\u1ea1ng Wi-Fi: Ki\u1ec3m tra xem b\u1ea1n c\u00f3 nh\u1eadp \u0111\u00fang m\u1eadt kh\u1ea9u hay kh\u00f4ng.<\/li>\n<li>X\u00e1c nh\u1eadn r\u1eb1ng b\u1ea1n \u0111ang k\u1ebft n\u1ed1i \u0111\u1ebfn \u0111\u00fang m\u1ea1ng (\u0111\u00f4i khi c\u00f3 nhi\u1ec1u m\u1ea1ng gi\u1ed1ng nhau xung quanh).<\/li>\n<\/ul>\n<\/div><\/div>\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-plus\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span><\/p>\n<h5><b>4.1.3 Ki\u1ec3m tra c\u1ea5u h\u00ecnh m\u1ea1ng<\/b><\/h5>\n<p><\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">\n<ul>\n<li>IP Address: C\u1ea7n \u0111\u1ea3m b\u1ea3o thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n nh\u1eadn \u0111\u01b0\u1ee3c \u0111\u1ecba ch\u1ec9 IP t\u1eeb router b\u1eb1ng c\u00e1ch: V\u00e0o c\u00e0i \u0111\u1eb7t Wi-Fi tr\u00ean thi\u1ebft b\u1ecb &gt; Ki\u1ec3m tra tr\u1ea1ng th\u00e1i k\u1ebft n\u1ed1i (IP th\u01b0\u1eddng b\u1eaft \u0111\u1ea7u v\u1edbi 192.168.x.x ho\u1eb7c 10.x.x.x).<\/li>\n<\/ul>\n<p><img decoding=\"async\" class=\"aligncenter\" src=\"\/amis-cham-cong\/wp-content\/uploads\/2022\/03\/kiem_tra_ip.jpeg\" alt=\"\" width=\"253\" height=\"450\" \/><\/p>\n<ul>\n<li>C\u00e0i \u0111\u1eb7t DNS ho\u1eb7c Proxy: \u0110\u1ea3m b\u1ea3o kh\u00f4ng c\u00f3 proxy ho\u1eb7c c\u00e0i \u0111\u1eb7t DNS t\u00f9y ch\u1ec9nh n\u00e0o c\u1ea3n tr\u1edf. Anh ch\u1ecb c\u00f3 th\u1ec3 ki\u1ec3m tra b\u1eb1ng c\u00e1ch nh\u1ea5n v\u00e0o chi ti\u1ebft Wi-Fi &gt; T\u1ea1i m\u1ee5c DNS &gt; \u0110\u1eb7t DNS v\u1ec1 m\u1eb7c \u0111\u1ecbnh ho\u1eb7c s\u1eed d\u1ee5ng DNS c\u00f4ng khai nh\u01b0 Google (8.8.8.8).<\/li>\n<\/ul>\n<p><img decoding=\"async\" class=\"alignnone size-full\" src=\"\/amis-cham-cong\/wp-content\/uploads\/2022\/03\/94b4b3bbf89542cb1b841.jpg\" alt=\"\" width=\"4226\" height=\"2623\" \/><\/p>\n<\/div><\/div>\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-plus\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span><\/p>\n<h5><b>4.1.4 Ki\u1ec3m tra s\u1ed1 l\u01b0\u1ee3ng thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i<\/b><\/h5>\n<p><\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">\n<ul>\n<li>M\u1ed9t s\u1ed1 router gi\u1edbi h\u1ea1n s\u1ed1 l\u01b0\u1ee3ng thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i \u0111\u1ed3ng th\u1eddi, b\u1ea1n c\u00f3 th\u1ec3 th\u1eed ng\u1eaft k\u1ebft n\u1ed1i m\u1ed9t s\u1ed1 thi\u1ebft b\u1ecb kh\u00f4ng c\u1ea7n thi\u1ebft \u0111\u1ec3 gi\u1ea3i ph\u00f3ng s\u1ed1 l\u01b0\u1ee3ng ho\u1eb7c v\u00e0o giao di\u1ec7n qu\u1ea3n tr\u1ecb router \u0111\u1ec3 ki\u1ec3m tra danh s\u00e1ch thi\u1ebft b\u1ecb \u0111\u00e3 k\u1ebft n\u1ed1i. (Tham kh\u1ea3o th\u00eam h\u01b0\u1edbng d\u1eabn <a href=\"https:\/\/www.thegioididong.com\/hoi-dap\/cach-phat-hien-ai-dang-dung-trom-wifi-nha-ban-tren-1097469\" target=\"_blank\" rel=\"noopener\">t\u1ea1i \u0111\u00e2y<\/a>)<\/li>\n<\/ul>\n<\/div><\/div>\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-plus\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span><\/p>\n<h5><b>4.1.5 V\u1ea5n \u0111\u1ec1 v\u1edbi t\u00edn hi\u1ec7u Wi-Fi<\/b><\/h5>\n<p><\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">\n<ul>\n<li>Kho\u1ea3ng c\u00e1ch qu\u00e1 xa router: H\u00e3y di chuy\u1ec3n thi\u1ebft b\u1ecb l\u1ea1i g\u1ea7n router h\u01a1n.<\/li>\n<li>Ki\u1ec3m tra c\u00e1c v\u1eadt c\u1ea3n nh\u01b0 t\u01b0\u1eddng d\u00e0y, k\u00ednh, ho\u1eb7c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed l\u00e0m gi\u1ea3m s\u00f3ng.<\/li>\n<li>K\u00eanh Wi-Fi b\u1ecb nhi\u1ec5u:\n<ul>\n<li>C\u1ea7n chuy\u1ec3n sang k\u00eanh \u00edt nhi\u1ec5u h\u01a1n (th\u1ef1c hi\u1ec7n trong giao di\u1ec7n qu\u1ea3n tr\u1ecb router).<\/li>\n<li>S\u1eed d\u1ee5ng b\u0103ng t\u1ea7n 5GHz n\u1ebfu router v\u00e0 thi\u1ebft b\u1ecb h\u1ed7 tr\u1ee3.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div><\/div>\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-plus\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span><\/p>\n<h5><b>4.1.6 C\u1eadp nh\u1eadt ph\u1ea7n m\u1ec1m v\u00e0 firmware<\/b><\/h5>\n<p><\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">\n<ul>\n<li>C\u1eadp nh\u1eadt thi\u1ebft b\u1ecb: Ki\u1ec3m tra v\u00e0 c\u00e0i \u0111\u1eb7t phi\u00ean b\u1ea3n h\u1ec7 \u0111i\u1ec1u h\u00e0nh m\u1edbi nh\u1ea5t tr\u00ean \u0111i\u1ec7n tho\u1ea1i ho\u1eb7c m\u00e1y t\u00ednh.<\/li>\n<li>C\u1eadp nh\u1eadt router: \u0110\u0103ng nh\u1eadp v\u00e0o giao di\u1ec7n qu\u1ea3n tr\u1ecb v\u00e0 ki\u1ec3m tra firmware c\u1ee7a router. C\u1eadp nh\u1eadt n\u1ebfu c\u00f3 b\u1ea3n m\u1edbi.<\/li>\n<\/ul>\n<\/div><\/div>\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-plus\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span><\/p>\n<h5><b>4.1.7 Reset thi\u1ebft l\u1eadp m\u1ea1ng<\/b><\/h5>\n<p><\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">\n<ul>\n<li>Tr\u00ean thi\u1ebft b\u1ecb:\n<ul>\n<li>iOS\/Android: V\u00e0o C\u00e0i \u0111\u1eb7t \u2192 C\u00e0i \u0111\u1eb7t m\u1ea1ng \u2192 \u0110\u1eb7t l\u1ea1i c\u00e0i \u0111\u1eb7t m\u1ea1ng.<\/li>\n<li>Windows\/Mac: Reset ho\u1eb7c x\u00f3a c\u1ea5u h\u00ecnh m\u1ea1ng Wi-Fi hi\u1ec7n t\u1ea1i.<\/li>\n<\/ul>\n<\/li>\n<li>Tr\u00ean router: N\u1ebfu c\u00e1c b\u01b0\u1edbc tr\u00ean kh\u00f4ng hi\u1ec7u qu\u1ea3, b\u1ea1n th\u1eed reset router v\u1ec1 m\u1eb7c \u0111\u1ecbnh v\u00e0 c\u1ea5u h\u00ecnh l\u1ea1i.<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div><\/div>\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-plus\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span><\/p>\n<h4><b>4.2 N\u1ebfu k\u1ebft n\u1ed1i v\u00e0o Wi-Fi nh\u01b0ng kh\u00f4ng c\u00f3 internet do b\u1ecb ngh\u1ebdn m\u1ea1ng<\/b><\/h4>\n<p><\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">\n<table>\n<tbody>\n<tr>\n<td><\/div><\/div>\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-plus\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span><\/p>\n<h5><b>4.2.1 Ki\u1ec3m tra thi\u1ebft b\u1ecb \u0111ang k\u1ebft n\u1ed1i v\u1edbi Wi-Fi<\/b><\/h5>\n<p><\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">\n<ul>\n<li>S\u1ed1 l\u01b0\u1ee3ng thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i qu\u00e1 nhi\u1ec1u: M\u1ed9t s\u1ed1 router c\u00f3 gi\u1edbi h\u1ea1n s\u1ed1 l\u01b0\u1ee3ng thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i c\u00f9ng l\u00fac, v\u00ed d\u1ee5: 10-50 thi\u1ebft b\u1ecb. Anh ch\u1ecb c\u1ea7n ng\u1eaft k\u1ebft n\u1ed1i c\u00e1c thi\u1ebft b\u1ecb kh\u00f4ng c\u1ea7n thi\u1ebft \u0111\u1ec3 gi\u1ea3m t\u1ea3i b\u1eb1ng c\u00e1ch sau:\n<ul>\n<li>Truy c\u1eadp v\u00e0o giao di\u1ec7n qu\u1ea3n tr\u1ecb router<\/li>\n<li>Nh\u1eadp \u0111\u1ecba ch\u1ec9 IP router (th\u01b0\u1eddng l\u00e0 192.168.1.1 ho\u1eb7c 192.168.0.1) tr\u00ean tr\u00ecnh duy\u1ec7t.<\/li>\n<li>\u0110\u0103ng nh\u1eadp v\u00e0 ki\u1ec3m tra danh s\u00e1ch thi\u1ebft b\u1ecb \u0111\u00e3 k\u1ebft n\u1ed1i.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div><\/div>\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-plus\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span><\/p>\n<h5><b>4.2.2 Kh\u1edfi \u0111\u1ed9ng l\u1ea1i router\/modem<\/b><\/h5>\n<p><\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">\n<p>Router ho\u1eb7c modem c\u00f3 th\u1ec3 b\u1ecb qu\u00e1 t\u1ea3i khi ho\u1ea1t \u0111\u1ed9ng trong th\u1eddi gian d\u00e0i. Anh ch\u1ecb n\u00ean th\u1eed kh\u1edfi \u0111\u1ed9ng l\u1ea1i b\u1eb1ng c\u00e1ch sau:<\/p>\n<ul>\n<li>T\u1eaft ngu\u1ed3n router\/modem.<\/li>\n<li>Ch\u1edd 1-2 ph\u00fat.<\/li>\n<li>B\u1eadt l\u1ea1i thi\u1ebft b\u1ecb.<\/li>\n<\/ul>\n<\/div><\/div>\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-plus\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span><\/p>\n<h5><b>4.2.3 Ki\u1ec3m tra b\u0103ng th\u00f4ng v\u00e0 c\u00e1c \u1ee9ng d\u1ee5ng s\u1eed d\u1ee5ng nhi\u1ec1u d\u1eef li\u1ec7u<\/b><\/h5>\n<p><\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">\n<p>M\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng ho\u1eb7c ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 \u0111ang ti\u00eau t\u1ed1n nhi\u1ec1u b\u0103ng th\u00f4ng (v\u00ed d\u1ee5: t\u1ea3i t\u1ec7p l\u1edbn, xem video 4K&#8230;). C\u00e1ch kh\u1eafc ph\u1ee5c nh\u01b0 sau:<\/p>\n<ul>\n<li>Truy c\u1eadp giao di\u1ec7n qu\u1ea3n tr\u1ecb router \u0111\u1ec3 ki\u1ec3m tra v\u00e0 gi\u1edbi h\u1ea1n b\u0103ng th\u00f4ng cho t\u1eebng thi\u1ebft b\u1ecb (n\u1ebfu router h\u1ed7 tr\u1ee3 QoS &#8211; Quality of Service). Tham kh\u1ea3o th\u00eam h\u01b0\u1edbng d\u1eabn chi ti\u1ebft <a href=\"https:\/\/www.saomai.com.vn\/chia-se-kinh-nghiem\/kiem-soat-bang-thong-bang-thiet-bi-mang-tp-link-n52.html\" target=\"_blank\" rel=\"noopener\">t\u1ea1i \u0111\u00e2y<\/a>.<\/li>\n<li>Ng\u1eaft k\u1ebft n\u1ed1i ho\u1eb7c gi\u1edbi h\u1ea1n c\u00e1c thi\u1ebft b\u1ecb \u0111ang chi\u1ebfm d\u1ee5ng b\u0103ng th\u00f4ng.<\/li>\n<\/ul>\n<\/div><\/div>\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-plus\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span><\/p>\n<h5><b>4.2.4 Ki\u1ec3m tra t\u00edn hi\u1ec7u Wi-Fi<\/b><\/h5>\n<p><\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">\n<p>Wi-Fi y\u1ebfu ho\u1eb7c nhi\u1ec5u s\u00f3ng c\u00f3 th\u1ec3 khi\u1ebfn k\u1ebft n\u1ed1i ch\u1eadp ch\u1eddn, anh ch\u1ecb c\u00f3 th\u1ec3 th\u1eed:<\/p>\n<ul>\n<li>Di chuy\u1ec3n thi\u1ebft b\u1ecb l\u1ea1i g\u1ea7n router.<\/li>\n<li>Thay \u0111\u1ed5i k\u00eanh Wi-Fi trong giao di\u1ec7n router (\u0111\u1eb7c bi\u1ec7t v\u1edbi b\u0103ng t\u1ea7n 2.4GHz th\u01b0\u1eddng b\u1ecb nhi\u1ec5u nhi\u1ec1u).<\/li>\n<li>S\u1eed d\u1ee5ng b\u0103ng t\u1ea7n 5GHz n\u1ebfu router v\u00e0 thi\u1ebft b\u1ecb h\u1ed7 tr\u1ee3 (\u00edt nhi\u1ec5u h\u01a1n v\u00e0 t\u1ed1c \u0111\u1ed9 cao h\u01a1n).<\/li>\n<\/ul>\n<\/div><\/div>\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-plus\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span><\/p>\n<h5><b>4.2.5 Ki\u1ec3m tra k\u1ebft n\u1ed1i Internet t\u1eeb nh\u00e0 m\u1ea1ng<\/b><\/h5>\n<p><\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">\n<p>V\u1ea5n \u0111\u1ec1 c\u00f3 th\u1ec3 xu\u1ea5t ph\u00e1t t\u1eeb nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 (ISP). Anh ch\u1ecb c\u1ea7n ki\u1ec3m tra b\u1eb1ng c\u00e1ch:<\/p>\n<ul>\n<li>Th\u1eed k\u1ebft n\u1ed1i thi\u1ebft b\u1ecb tr\u1ef1c ti\u1ebfp qua d\u00e2y LAN (Ethernet). N\u1ebfu v\u1eabn kh\u00f4ng c\u00f3 Internet, c\u1ea7n li\u00ean h\u1ec7 ISP \u0111\u1ec3 \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3.<\/li>\n<li>Ki\u1ec3m tra \u0111\u00e8n t\u00edn hi\u1ec7u tr\u00ean modem\/router:\n<ul>\n<li>\u0110\u00e8n Internet (WAN) kh\u00f4ng s\u00e1ng ho\u1eb7c \u0111\u1ecf: C\u00f3 th\u1ec3 l\u00e0 s\u1ef1 c\u1ed1 t\u1eeb nh\u00e0 m\u1ea1ng.<\/li>\n<li>\u0110\u00e8n Wi-Fi s\u00e1ng b\u00ecnh th\u01b0\u1eddng: T\u00edn hi\u1ec7u Wi-Fi v\u1eabn \u1ed5n \u0111\u1ecbnh nh\u01b0ng kh\u00f4ng c\u00f3 k\u1ebft n\u1ed1i Internet.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div><\/div>\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-plus\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span><\/p>\n<h5><b>4.2.6 C\u1eadp nh\u1eadt firmware cho router<\/b><\/h5>\n<p><\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">\n<p>M\u1ed9t s\u1ed1 router c\u0169 ho\u1eb7c firmware l\u1ed7i c\u00f3 th\u1ec3 g\u00e2y ra t\u00ecnh tr\u1ea1ng ngh\u1ebdn m\u1ea1ng. C\u00e1ch th\u1ef1c hi\u1ec7n nh\u01b0 sau:<\/p>\n<ul>\n<li>Truy c\u1eadp v\u00e0o giao di\u1ec7n qu\u1ea3n tr\u1ecb c\u1ee7a router.<\/li>\n<li>Ki\u1ec3m tra phi\u00ean b\u1ea3n firmware hi\u1ec7n t\u1ea1i v\u00e0 t\u1ea3i b\u1ea3n c\u1eadp nh\u1eadt m\u1edbi nh\u1ea5t t\u1eeb nh\u00e0 s\u1ea3n xu\u1ea5t.<\/li>\n<\/ul>\n<\/div><\/div>\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-plus\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span><\/p>\n<h5><b>4.2.7 Reset router v\u1ec1 m\u1eb7c \u0111\u1ecbnh<\/b><\/h5>\n<p><\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">\n<p>N\u1ebfu c\u00e1c c\u1ea5u h\u00ecnh trong router b\u1ecb l\u1ed7i ho\u1eb7c xung \u0111\u1ed9t, b\u1ea1n c\u00f3 th\u1ec3 reset l\u1ea1i b\u1eb1ng c\u00e1ch:<\/p>\n<ul>\n<li>Nh\u1ea5n n\u00fat Reset \u1edf m\u1eb7t sau router (gi\u1eef trong 10-30 gi\u00e2y).<\/li>\n<li>Ho\u1eb7c c\u1ea5u h\u00ecnh l\u1ea1i Wi-Fi t\u1eeb \u0111\u1ea7u (SSID, m\u1eadt kh\u1ea9u&#8230;).<\/li>\n<\/ul>\n<\/div><\/div>\n<div class=\"su-spoiler su-spoiler-style-default su-spoiler-icon-plus\" data-scroll-offset=\"0\" data-anchor-in-url=\"no\"><div class=\"su-spoiler-title\" tabindex=\"0\" role=\"button\"><span class=\"su-spoiler-icon\"><\/span><\/p>\n<h5><b>4.2.8 S\u1eed d\u1ee5ng c\u00e1c gi\u1ea3i ph\u00e1p m\u1edf r\u1ed9ng m\u1ea1ng<\/b><\/h5>\n<p><\/div><div class=\"su-spoiler-content su-u-clearfix su-u-trim\">\n<p>N\u1ebfu khu v\u1ef1c s\u1eed d\u1ee5ng \u0111\u00f4ng ng\u01b0\u1eddi v\u00e0 ph\u1ea1m vi r\u1ed9ng, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng th\u00eam:<\/p>\n<ul>\n<li>Wi-Fi Mesh: Gi\u00fap m\u1edf r\u1ed9ng ph\u1ea1m vi m\u1ea1ng m\u00e0 kh\u00f4ng b\u1ecb gi\u1ea3m hi\u1ec7u n\u0103ng.<\/li>\n<li>Access Point ho\u1eb7c Repeater: Gi\u00fap t\u0103ng v\u00f9ng ph\u1ee7 s\u00f3ng.<\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":109,"comment_status":"closed","ping_status":"closed","template":"","format":"standard","meta":{"_links_to":"","_links_to_target":"","footnotes":""},"ht-kb-category":[164],"ht-kb-tag":[],"class_list":["post-15483","ht_kb","type-ht_kb","status-publish","format-standard","hentry","ht_kb_category-cau-hoi-thuong-gap-amis-cham-cong"],"_links":{"self":[{"href":"http:\/\/helpamis.misa.vn\/amis-cham-cong\/wp-json\/wp\/v2\/ht-kb\/15483","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/helpamis.misa.vn\/amis-cham-cong\/wp-json\/wp\/v2\/ht-kb"}],"about":[{"href":"http:\/\/helpamis.misa.vn\/amis-cham-cong\/wp-json\/wp\/v2\/types\/ht_kb"}],"author":[{"embeddable":true,"href":"http:\/\/helpamis.misa.vn\/amis-cham-cong\/wp-json\/wp\/v2\/users\/109"}],"replies":[{"embeddable":true,"href":"http:\/\/helpamis.misa.vn\/amis-cham-cong\/wp-json\/wp\/v2\/comments?post=15483"}],"version-history":[{"count":6,"href":"http:\/\/helpamis.misa.vn\/amis-cham-cong\/wp-json\/wp\/v2\/ht-kb\/15483\/revisions"}],"predecessor-version":[{"id":21941,"href":"http:\/\/helpamis.misa.vn\/amis-cham-cong\/wp-json\/wp\/v2\/ht-kb\/15483\/revisions\/21941"}],"wp:attachment":[{"href":"http:\/\/helpamis.misa.vn\/amis-cham-cong\/wp-json\/wp\/v2\/media?parent=15483"}],"wp:term":[{"taxonomy":"ht_kb_category","embeddable":true,"href":"http:\/\/helpamis.misa.vn\/amis-cham-cong\/wp-json\/wp\/v2\/ht-kb-category?post=15483"},{"taxonomy":"ht_kb_tag","embeddable":true,"href":"http:\/\/helpamis.misa.vn\/amis-cham-cong\/wp-json\/wp\/v2\/ht-kb-tag?post=15483"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}