{"id":68618,"date":"2023-02-21T11:00:00","date_gmt":"2023-02-21T04:00:00","guid":{"rendered":"https:\/\/phongvu.vn\/cong-nghe\/?p=68618"},"modified":"2024-03-10T13:30:02","modified_gmt":"2024-03-10T06:30:02","slug":"khac-phuc-mang-cham-do-dut-cap-quang-bien","status":"publish","type":"post","link":"https:\/\/phongvu.vn\/cong-nghe\/khac-phuc-mang-cham-do-dut-cap-quang-bien\/","title":{"rendered":"Tuy\u1ebfn c\u00e1p quang th\u1ee9 5 b\u1ecb l\u1ed7i: c\u00e1ch kh\u1eafc ph\u1ee5c m\u1ea1ng lag do \u0111\u1ee9t c\u00e1p quang"},"content":{"rendered":"\n<p>Sau s\u1ef1 c\u1ed1 \u0111\u1ee9t 4 tuy\u1ebfn <strong>c\u00e1p quang bi\u1ec3n<\/strong> l\u00e0m \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp t\u1edbi ng\u01b0\u1eddi d\u00f9ng m\u1ea1ng Internet Vi\u1ec7t Nam th\u00ec l\u1ea1i c\u00f3 th\u00eam th\u00f4ng tin tuy\u1ebfn cu\u1ed1i c\u00f9ng c\u0169ng \u0111\u00e3 g\u1eb7p tr\u1ee5c tr\u1eb7c. Trong khi \u0111\u1ee3i c\u00e1c \u0111\u1ed1i t\u00e1c n\u01b0\u1edbc ngo\u00e0i huy \u0111\u1ed9ng t\u00e0u \u0111\u1ec3 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 th\u00ec Phong V\u0169 s\u1ebd h\u01b0\u1edbng d\u1eabn cho b\u1ea1n c\u00e1ch kh\u1eafc ph\u1ee5c tr\u00ecnh tr\u1ea1ng m\u1ea1ng lag do \u0111\u1ee9t c\u00e1p quang t\u1ea1m th\u1eddi nh\u00e9.&nbsp;<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<ul>\n<li><a href=\"https:\/\/phongvu.vn\/cong-nghe\/cap-quang-bien-apg-dut\/\" target=\"_blank\" rel=\"noreferrer noopener\">C\u00e1p quang bi\u1ec3n APG&nbsp;l\u1ea1i b\u1ecb \u0111\u1ee9t, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn ng\u01b0\u1eddi d\u00f9ng Internet to\u00e0n qu\u1ed1c<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/phongvu.vn\/cong-nghe\/viet-nam-tiep-tuc-co-them-tuyen-cap-quang-bien-game-thu-lai-co-dip-mung-tham\/\" target=\"_blank\" rel=\"noreferrer noopener\">Vi\u1ec7t Nam ti\u1ebfp t\u1ee5c c\u00f3 th\u00eam tuy\u1ebfn c\u00e1p quang bi\u1ec3n, game th\u1ee7 l\u1ea1i c\u00f3 d\u1ecbp m\u1eebng th\u1ea7m<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/phongvu.vn\/cong-nghe\/viet-nam-sap-co-them-tuyen-cap-quang-bang-thong-du-kien-tang-gap-nhieu-lan\/\" target=\"_blank\" rel=\"noreferrer noopener\">Vi\u1ec7t Nam s\u1eafp c\u00f3 th\u00eam tuy\u1ebfn c\u00e1p quang, b\u0103ng th\u00f4ng d\u1ef1 ki\u1ebfn t\u0103ng g\u1ea5p nhi\u1ec1u l\u1ea7n<\/a><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_55 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >M\u1ee5c l\u1ee5c<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\" role=\"button\"><label for=\"item-6a2a38c61e5a3\" ><span class=\"\"><span style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input aria-label=\"Toggle\" aria-label=\"item-6a2a38c61e5a3\"  type=\"checkbox\" id=\"item-6a2a38c61e5a3\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/phongvu.vn\/cong-nghe\/khac-phuc-mang-cham-do-dut-cap-quang-bien\/#1_5_tuyen_cap_quang_bien_cung_dut_anh_huong_internet_cua_Viet_Nam\" title=\"1. 5 tuy\u1ebfn c\u00e1p quang bi\u1ec3n c\u00f9ng \u0111\u1ee9t \u1ea3nh h\u01b0\u1edfng internet c\u1ee7a Vi\u1ec7t Nam\">1. 5 tuy\u1ebfn c\u00e1p quang bi\u1ec3n c\u00f9ng \u0111\u1ee9t \u1ea3nh h\u01b0\u1edfng internet c\u1ee7a Vi\u1ec7t Nam<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/phongvu.vn\/cong-nghe\/khac-phuc-mang-cham-do-dut-cap-quang-bien\/#2_Cach_khac_phuc_mang_Internet_khi_bi_dut_cap_quang_bien\" title=\"2. C\u00e1ch kh\u1eafc ph\u1ee5c m\u1ea1ng Internet khi b\u1ecb \u0111\u1ee9t c\u00e1p quang bi\u1ec3n\">2. C\u00e1ch kh\u1eafc ph\u1ee5c m\u1ea1ng Internet khi b\u1ecb \u0111\u1ee9t c\u00e1p quang bi\u1ec3n<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/phongvu.vn\/cong-nghe\/khac-phuc-mang-cham-do-dut-cap-quang-bien\/#21_Chuyen_sang_DNS_cua_may_chu_Google\" title=\"2.1 Chuy\u1ec3n sang DNS c\u1ee7a m\u00e1y ch\u1ee7 Google\">2.1 Chuy\u1ec3n sang DNS c\u1ee7a m\u00e1y ch\u1ee7 Google<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/phongvu.vn\/cong-nghe\/khac-phuc-mang-cham-do-dut-cap-quang-bien\/#22_Uu_tien_su_dung_cac_may_chu_duoc_dat_trong_nuoc\" title=\"2.2 \u01afu ti\u00ean s\u1eed d\u1ee5ng c\u00e1c m\u00e1y ch\u1ee7 \u0111\u01b0\u1ee3c \u0111\u1eb7t trong n\u01b0\u1edbc\">2.2 \u01afu ti\u00ean s\u1eed d\u1ee5ng c\u00e1c m\u00e1y ch\u1ee7 \u0111\u01b0\u1ee3c \u0111\u1eb7t trong n\u01b0\u1edbc<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/phongvu.vn\/cong-nghe\/khac-phuc-mang-cham-do-dut-cap-quang-bien\/#23_Su_dung_mang_di_dong_3G_4G_5G_de_thay_the\" title=\"2.3 S\u1eed d\u1ee5ng m\u1ea1ng di \u0111\u1ed9ng 3G, 4G, 5G \u0111\u1ec3 thay th\u1ebf\">2.3 S\u1eed d\u1ee5ng m\u1ea1ng di \u0111\u1ed9ng 3G, 4G, 5G \u0111\u1ec3 thay th\u1ebf<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2><span class=\"ez-toc-section\" id=\"1_5_tuyen_cap_quang_bien_cung_dut_anh_huong_internet_cua_Viet_Nam\"><\/span>1. 5 tuy\u1ebfn c\u00e1p quang bi\u1ec3n c\u00f9ng \u0111\u1ee9t \u1ea3nh h\u01b0\u1edfng internet c\u1ee7a Vi\u1ec7t Nam<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Sau k\u00ec T\u1ebft Nguy\u00ean \u0110\u00e1n, ng\u01b0\u1eddi d\u00e2n trong n\u01b0\u1edbc l\u1ea1i lo l\u1eafng v\u00ec b\u1ed1n trong s\u1ed1 n\u0103m tuy\u1ebfn c\u00e1p quang bi\u1ec3n k\u1ebft n\u1ed1i t\u1edbi Vi\u1ec7t Nam c\u00f9ng b\u1ecb \u0111\u1ee9t, khi\u1ebfn Internet trong n\u01b0\u1edbc \u0111i qu\u1ed1c t\u1ebf ch\u1ecbu \u1ea3nh h\u01b0\u1edfng n\u1eb7ng.<\/p>\n\n\n\n<p>T\u1eeb n\u0103m 2022 v\u00e0 \u0111\u1ea7u 2023, 3 tuy\u1ebfn c\u00e1p quang AAE, AAG, APG b\u1ecb tr\u1ee5c tr\u1eb7c v\u00e0 v\u1eabn ch\u01b0a \u0111\u01b0\u1ee3c kh\u1eafc ph\u1ee5c xong. \u0110\u1ebfn ng\u00e0y 28\/1, tuy\u1ebfn c\u00e1p quang Li\u00ean \u00c1 (Intra Asia &#8211; IA) g\u1eb7p tr\u1ee5c tr\u1eb7c. Nguy\u00ean nh\u00e2n \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh do \u0111\u1ee9t c\u00e1p t\u1ea1i v\u1ecb tr\u00ed c\u00e1ch tr\u1ea1m c\u1eadp b\u1edd Singapore kho\u1ea3ng 130 km, l\u00e0m m\u1ea5t to\u00e0n b\u1ed9 dung l\u01b0\u1ee3ng k\u1ebft n\u1ed1i qu\u1ed1c t\u1ebf t\u1eeb Vi\u1ec7t Nam \u0111i Singapore qua IA. S\u1ef1 c\u1ed1 IA n\u00e2ng t\u1ed5ng s\u1ed1 c\u00e1p quang bi\u1ec3n g\u1eb7p l\u1ed7i l\u00ean b\u1ed1n tuy\u1ebfn.<\/p>\n\n\n<div class=\"wp-block-image is-style-editorskit-rounded\">\n<figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/sites\/2\/2022\/08\/cap-quang-apg-gap-su-co-1.jpg\" alt=\"Kh\u1eafc ph\u1ee5c m\u1ea1ng ch\u1eadm do \u0111\u1ee9t c\u00e1p quang bi\u1ec3n\" class=\"wp-image-68642\" width=\"800\" title=\"\"><\/figure><\/div>\n\n\n<p>S\u00e1ng 21\/2, tuy\u1ebfn c\u00e1p quang bi\u1ec3n SMW-3 b\u1ecb l\u1ed7i c\u00e1p, x\u1ea3y ra \u1edf \u0111o\u1ea1n S2.7 \u0111i Singapore. Nh\u01b0 v\u1eady, tuy\u1ebfn c\u00e1p c\u00f2n &#8220;l\u00e0nh l\u1eb7n&#8221; cu\u1ed1i c\u00f9ng sau khi 4 tuy\u1ebfn c\u00e1p bi\u1ec3n Vi\u1ec7t Nam b\u1ecb \u0111\u1ee9t t\u1eeb th\u00e1ng 11\/2022 c\u0169ng \u0111\u00e3 g\u1eb7p s\u1ef1 c\u1ed1. <\/p>\n\n\n\n<p>Tr\u01b0\u1edbc \u0111\u00f3, hai tuy\u1ebfn c\u00e1p bi\u1ec3n ch\u00ednh AAG v\u00e0 APG \u0111\u00e3 g\u1eb7p s\u1ef1 c\u1ed1 ho\u00e0n to\u00e0n, hai tuy\u1ebfn IA v\u00e0 AAE-1 ch\u1ec9 ho\u1ea1t \u0111\u1ed9ng m\u1ed9t ph\u1ea7n.<\/p>\n\n\n\n<p>Tuy nhi\u00ean tin vui \u0111\u1ed1i v\u1edbi ng\u01b0\u1eddi d\u00e2n \u0111\u00f3 l\u00e0 tuy\u1ebfn c\u00e1p th\u1ee9 5 SMW-3 d\u00f9 b\u1ecb tr\u1ee5c tr\u1eb7c v\u1eabn kh\u00f4ng g\u00e2y \u1ea3nh h\u01b0\u1edfng qu\u00e1 nhi\u1ec1u \u0111\u1ebfn k\u1ebft n\u1ed1i internet. V\u00ec \u0111\u00e2y l\u00e0 tuy\u1ebfn c\u00e1p quang c\u0169, s\u1eafp d\u1eebng ho\u1ea1t \u0111\u1ed9ng v\u00e0 chu\u1ea9n b\u1ecb \u0111\u01b0\u1ee3c thanh l\u00fd. <\/p>\n\n\n\n<p>Hi\u1ec7n t\u1ea1i Vi\u1ec7t Nam \u0111ang k\u1ebft n\u1ed1i v\u1edbi n\u0103m tuy\u1ebfn c\u00e1p quang bi\u1ec3n g\u1ed3m AAG, APG, AAE-1, IA v\u00e0 SMW-3. Theo d\u1ef1 ki\u1ebfn, cu\u1ed1i n\u0103m nay s\u1ebd c\u00f3 th\u00eam tuy\u1ebfn c\u00e1p m\u1edbi l\u00e0 SJC2 v\u00e0 ADC, n\u00e2ng dung l\u01b0\u1ee3ng kh\u1ea3 d\u1ee5ng l\u00ean g\u1ea5p ba l\u1ea7n hi\u1ec7n nay. K\u1ebf ho\u1ea1ch \u0111\u1ebfn 2025, Vi\u1ec7t Nam d\u1ef1 ki\u1ebfn c\u00f3 10 tuy\u1ebfn c\u00e1p quang bi\u1ec3n, trong \u0111\u00f3 ba tuy\u1ebfn do doanh nghi\u1ec7p trong n\u01b0\u1edbc l\u00e0m ch\u1ee7.<\/p>\n\n\n\n<h2><span class=\"ez-toc-section\" id=\"2_Cach_khac_phuc_mang_Internet_khi_bi_dut_cap_quang_bien\"><\/span>2. C\u00e1ch kh\u1eafc ph\u1ee5c m\u1ea1ng Internet khi b\u1ecb \u0111\u1ee9t c\u00e1p quang bi\u1ec3n<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Khi <strong><em>c\u00e1p quang bi\u1ec3n b\u1ecb \u0111\u1ee9t,<\/em><\/strong> h\u1ea7u h\u1ebft m\u1ecdi thi\u1ebft b\u1ecb c\u00f3 k\u1ebft n\u1ed1i m\u1ea1ng \u0111\u1ec1u g\u1eb7p t\u00ecnh tr\u1ea1ng m\u1ea1ng load ch\u1eadm, m\u1ea5t k\u1ebft n\u1ed1i \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn qu\u00e1 tr\u00ecnh l\u00e0m vi\u1ec7c c\u0169ng nh\u01b0 truy c\u1eadp th\u00f4ng tin tr\u00ean n\u1ec1n t\u1ea3ng Internet. Ch\u00ednh v\u00ec v\u1eady, khi b\u1ecb \u0111\u1ee9t c\u00e1p quang th\u00ec vi\u1ec7c \u0111\u1ea7u ti\u00ean m\u00e0 ch\u00fang ta c\u00f3 th\u1ec3 ngh\u0129 \u0111\u1ebfn ch\u00ednh l\u00e0 c\u1ed1 g\u1eafng t\u0103ng t\u1ed1c \u0111\u1ed9 Internet l\u00ean nhanh nh\u1ea5t c\u00f3 th\u1ec3. Theo c\u00e1c chuy\u00ean gia m\u1ea1ng vi\u1ec5n th\u00f4ng, vi\u1ec7c thay \u0111\u1ed5i DNS, gi\u1ea3 l\u1eadp \u0111\u1ecba ch\u1ec9 IP s\u1ebd kh\u1eafc ph\u1ee5c t\u00ecnh tr\u1ea1ng m\u1ea1ng gi\u1eadt, lag t\u1ea1m th\u1eddi trong l\u00fac \u0111\u1ee3i tuy\u1ebfn c\u00e1p quang bi\u1ec3n \u0111\u01b0\u1ee3c s\u1eeda xong.&nbsp;<\/p>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"21_Chuyen_sang_DNS_cua_may_chu_Google\"><\/span>2.1 Chuy\u1ec3n sang DNS c\u1ee7a m\u00e1y ch\u1ee7 Google<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>DNS l\u00e0 h\u1ec7 th\u1ed1ng ph\u00e2n gi\u1ea3i t\u00ean mi\u1ec1n c\u00f3 nhi\u1ec7m v\u1ee5 thi\u1ebft l\u1eadp li\u00ean k\u1ebft t\u01b0\u01a1ng \u1ee9ng gi\u1eefa \u0111\u1ecba ch\u1ec9 IP v\u00e0 t\u00ean mi\u1ec1n. Hi\u1ec3u \u0111\u01a1n gi\u1ea3n DNS nh\u01b0 l\u00e0 m\u1ed9t cu\u1ed1n danh b\u1ea1 tr\u00ean n\u1ec1n t\u1ea3ng Internet gi\u00fap ng\u01b0\u1eddi d\u00f9ng truy c\u1eadp nhanh ch\u00f3ng m\u1ecdi website th\u00f4ng qua \u0111\u1ecba ch\u1ec9 IP.<\/p>\n\n\n\n<p><strong><em>Xem th\u00eam: <a href=\"https:\/\/phongvu.vn\/cong-nghe\/facebook-bi-chan-khi-chua-doi-dns\/\" target=\"_blank\" rel=\"noreferrer noopener\">Facebook b\u1ecb ch\u1eb7n khi ch\u01b0a \u0111\u1ed5i DNS<\/a><\/em><\/strong><\/p>\n\n\n\n<p>\u0110\u1ed5i DNS m\u1eb7c \u0111\u1ecbnh tr\u00ean m\u00e1y sang DNS m\u00e1y ch\u1ee7 Google gi\u00fap cho thi\u1ebft b\u1ecb m\u00e1y t\u00ednh ho\u1eb7c \u0111i\u1ec7n tho\u1ea1i c\u1ea3i thi\u1ec7n t\u1ed1c \u0111\u1ed9 truy c\u1eadp c\u00e1c trang web nhanh h\u01a1n. Trong th\u1eddi gian g\u1ea7n \u0111\u00e2y, m\u00e1y ch\u1ee7 DNS c\u1ee7a Google ng\u00e0y c\u00e0ng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn v\u00ec t\u1ed1c \u0111\u1ed9 truy xu\u1ea5t r\u1ea5t nhanh. B\u1ea1n c\u00f3 th\u1ec3 thao t\u00e1c \u0111\u1ed5i DNS m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n tr\u00ean m\u00e1y t\u00ednh b\u1eb1ng c\u00e1ch:<\/p>\n\n\n\n<ul>\n<li>B\u01b0\u1edbc 1: Truy c\u1eadp v\u00e0o <strong>Settings<\/strong> &gt; <strong>Network Internet<\/strong> &gt; Ch\u1ecdn m\u1ee5c <strong>Status<\/strong>.<\/li>\n\n\n\n<li>B\u01b0\u1edbc 2: \u1ede ph\u1ea7n Wifi h\u00e3y ch\u1ecdn <strong>Properties<\/strong> v\u00e0 B\u1ea5m<strong> Edit.<\/strong><\/li>\n\n\n\n<li>B\u01b0\u1edbc 3: Trong m\u1ee5c Edit IP Settings h\u00e3y Ch\u1ecdn <strong>Manual<\/strong> &gt; T\u00ecm \u0111\u1ebfn m\u1ee5c<strong> DNS <\/strong>&gt; <strong>Nh\u1eadp DNS<\/strong> \u1edf Preferred DNS v\u00e0 Alternate DNS &gt; <strong>Save<\/strong>.<\/li>\n<\/ul>\n\n\n\n<p>L\u00fac n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 nh\u1eadp \u0111\u1ecba ch\u1ec9 DNS c\u1ee7a Google v\u1edbi th\u00f4ng s\u1ed1 Google DNS: <strong>8.8.8.8 or 8.8.4.4<\/strong><\/p>\n\n\n<div class=\"wp-block-image is-style-editorskit-rounded\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"400\" height=\"455\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2023\/02\/chuyen-dns.jpg\" alt=\"\" class=\"wp-image-76014\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2023\/02\/chuyen-dns.jpg 400w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2023\/02\/chuyen-dns-264x300.jpg 264w\" sizes=\"(max-width: 400px) 100vw, 400px\" title=\"\"><\/figure><\/div>\n\n\n<p>L\u01b0u \u00fd: Preferred DNS l\u00e0 DNS ch\u00ednh, Alternate DNS l\u00e0 DNS ph\u1ee5 khi DNS ch\u00ednh kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng<\/p>\n\n\n\n<p>V\u1edbi \u0111i\u1ec7n tho\u1ea1i th\u00ec b\u1ea1n c\u0169ng c\u00f3 th\u1ec3 thi\u1ebft l\u1eadp m\u1ed9t c\u00e1ch t\u01b0\u01a1ng t\u1ef1 b\u1eb1ng c\u00e1ch truy c\u1eadp v\u00e0o m\u1ee5c Wifi sau \u0111\u00f3 \u1ea5n v\u00e0o t\u00f9y ch\u1ecdn <strong>C\u00e0i \u0111\u1eb7t Proxy<\/strong> thi\u1ebft l\u1eadp DNS.<\/p>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile is-vertically-aligned-top has-white-background-color has-background\" style=\"grid-template-columns:41% auto\"><figure class=\"wp-block-media-text__media\"><a href=\"https:\/\/phongvu.vn\/thiet-bi-mang-asus-rp-n12--s1702788?utm_source=social&amp;utm_medium=technews&amp;utm_campaign=thiet-bi-mang-asus\"><img decoding=\"async\" loading=\"lazy\" width=\"802\" height=\"767\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2023\/02\/Screenshot-2023-02-09-171818.jpg\" alt=\"\" class=\"wp-image-76291 size-full\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2023\/02\/Screenshot-2023-02-09-171818.jpg 802w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2023\/02\/Screenshot-2023-02-09-171818-300x287.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2023\/02\/Screenshot-2023-02-09-171818-768x734.jpg 768w\" sizes=\"(max-width: 802px) 100vw, 802px\" title=\"\"><\/a><\/figure><div class=\"wp-block-media-text__content\">\n<p class=\"wp-block-heading has-text-color\" style=\"color:#000000;font-size:22px\"><strong><strong>B\u1ed9 m\u1edf r\u1ed9ng s\u00f3ng Wifi Asus RP-N12<\/strong><\/strong><\/p>\n\n\n\n<p class=\"has-vivid-red-color has-text-color has-medium-font-size\"><strong><strong><strong>613.000\u20ab<\/strong><\/strong><\/strong>  <\/p>\n\n\n\n<ul>\n<li>B\u0103ng t\u1ea7n h\u1ed7 tr\u1ee3: 2.4 GHz<\/li>\n\n\n\n<li>Chu\u1ea9n k\u1ebft n\u1ed1i: 802.11 b\/g\/n<\/li>\n\n\n\n<li>\u0102ng ten: 2x ngo\u00e0i \/ 2 dBi<\/li>\n<\/ul>\n\n\n\n<div class=\"is-layout-flex wp-block-buttons has-custom-font-size has-medium-font-size\">\n<div class=\"wp-block-button has-custom-font-size is-style-fill\" style=\"font-size:18px\"><a class=\"wp-block-button__link has-white-color has-vivid-cyan-blue-background-color has-text-color has-background wp-element-button\" href=\"https:\/\/phongvu.vn\/thiet-bi-mang-asus-rp-n12--s1702788?utm_source=social&amp;utm_medium=technews&amp;utm_campaign=thiet-bi-mang-asus\" style=\"border-radius:20px\" target=\"_blank\" rel=\"noreferrer noopener\">MUA NGAY<\/a><\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"22_Uu_tien_su_dung_cac_may_chu_duoc_dat_trong_nuoc\"><\/span>2.2 \u01afu ti\u00ean s\u1eed d\u1ee5ng c\u00e1c m\u00e1y ch\u1ee7 \u0111\u01b0\u1ee3c \u0111\u1eb7t trong n\u01b0\u1edbc<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Khi <strong><em>c\u00e1p quang bi\u1ec3n b\u1ecb \u0111\u1ee9t<\/em><\/strong> l\u00e0m gi\u00e1n \u0111o\u1ea1n \u0111\u01b0\u1eddng truy\u1ec1n gi\u1eefa Vi\u1ec7t Nam v\u00e0 qu\u1ed1c t\u1ebf, \u0111\u00e2y ch\u00ednh l\u00e0 l\u00fd do khi\u1ebfn b\u1ea1n kh\u00f3 truy c\u1eadp v\u00e0o nh\u1eefng trang web, d\u1ecbch v\u1ee5 c\u00f3 m\u00e1y ch\u1ee7 \u0111\u1eb7t \u1edf n\u01b0\u1edbc ngo\u00e0i. V\u00ec v\u1eady ng\u01b0\u1eddi d\u00f9ng n\u00ean \u01b0u ti\u00ean s\u1eed d\u1ee5ng c\u00e1c d\u1ecbch v\u1ee5, website c\u00f3 m\u00e1y ch\u1ee7 \u0111\u1eb7t trong n\u01b0\u1edbc \u0111\u1ec3 c\u00f3 th\u1ec3 truy xu\u1ea5t d\u1eef li\u1ec7u \u1ed5n \u0111\u1ecbnh h\u01a1n. Hi\u1ec7n nay, c\u1ea3 Google v\u00e0 Facebook \u0111\u1ec1u c\u00f3 h\u1ec7 th\u1ed1ng m\u00e1y ch\u1ee7 \u0111\u1eb7t t\u1ea1i Vi\u1ec7t Nam n\u00ean vi\u1ec7c truy c\u1eadp m\u1ea1ng c\u1ee7a b\u1ea1n s\u1ebd kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng nhi\u1ec1u.&nbsp;<\/p>\n\n\n\n<h3><span class=\"ez-toc-section\" id=\"23_Su_dung_mang_di_dong_3G_4G_5G_de_thay_the\"><\/span>2.3 S\u1eed d\u1ee5ng m\u1ea1ng di \u0111\u1ed9ng 3G, 4G, 5G \u0111\u1ec3 thay th\u1ebf<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Trong tr\u01b0\u1eddng h\u1ee3p m\u1ea1ng Internet nh\u00e0 m\u1ea1ng b\u1ea1n \u0111ang s\u1eed d\u1ee5ng r\u1ea5t ch\u1eadm v\u00e0 \u0111\u00e3 th\u1eed 2 c\u00e1ch \u1edf tr\u00ean nh\u01b0ng kh\u00f4ng kh\u1eafc ph\u1ee5c \u0111\u01b0\u1ee3c t\u00ecnh tr\u1ea1ng m\u1ea1ng lag th\u00ec b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u1ea1ng di \u0111\u1ed9ng 3G, 4G, 5G \u0111\u1ec3 thay th\u1ebf t\u1ea1m th\u1eddi.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"800\" height=\"420\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2023\/02\/mang-5g-tai-viet-nam.jpg\" alt=\"\" class=\"wp-image-76015\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2023\/02\/mang-5g-tai-viet-nam.jpg 800w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2023\/02\/mang-5g-tai-viet-nam-300x158.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2023\/02\/mang-5g-tai-viet-nam-768x403.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" title=\"\"><\/figure><\/div>\n\n\n<p><strong><em>\u0110\u1ee9t c\u00e1p quang bi\u1ec3n<\/em><\/strong> tr\u00ean l\u00fd thuy\u1ebft kh\u00f4ng \u1ea3nh h\u01b0\u1edfng nhi\u1ec1u \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 m\u1ea1ng 3G v\u00e0 4G t\u1ea1i Vi\u1ec7t Nam ra qu\u1ed1c t\u1ebf v\u00ec h\u1ec7 th\u1ed1ng m\u1ea1ng di \u0111\u1ed9ng c\u00f3 m\u1ed9t tuy\u1ebfn c\u00e1p ri\u00eang. S\u1ef1 c\u1ed1 \u0111\u1ee9t c\u00e1p quang ch\u1ee7 y\u1ebfu \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u01b0\u1eddng truy\u1ec1n m\u1ea1ng tuy\u1ebfn c\u00e1p quang th\u00f4ng th\u01b0\u1eddng n\u00ean b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng 3G, 4G \u0111\u1ec3 ph\u00e1t wifi thay th\u1ebf t\u1ea1m th\u1eddi.&nbsp;<\/p>\n\n\n\n<p>T\u1ed1c \u0111\u1ed9 m\u1ea1ng 4G t\u1ea1i Vi\u1ec7t Nam r\u1ea5t \u1ed5n \u0111\u1ecbnh v\u1edbi \u0111\u01b0\u1eddng truy\u1ec1n b\u0103ng th\u00f4ng l\u1edbn, ch\u1eafc ch\u1eafn gi\u00fap b\u1ea1n truy c\u1eadp Internet tr\u00ean m\u00e1y t\u00ednh ho\u1eb7c \u0111i\u1ec7n tho\u1ea1i m\u1ed9t c\u00e1ch nhanh ch\u00f3ng. Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 \u0111\u0103ng k\u00fd 3G\/4G tr\u00ean \u0111i\u1ec7n tho\u1ea1i v\u00e0 ti\u1ebfn h\u00e0nh ph\u00e1t wifi \u0111\u1ec3 s\u1eed d\u1ee5ng tr\u00ean laptop.<\/p>\n\n\n\n<p><strong><em>Xem th\u00eam: <a href=\"https:\/\/phongvu.vn\/cong-nghe\/cach-xu-ly-khi-mang-3g-4g-cua-dien-thoai-bong-nhien-bi-yeu\/\" target=\"_blank\" rel=\"noreferrer noopener\">C\u00e1ch x\u1eed l\u00fd khi m\u1ea1ng 3G\/4G c\u1ee7a \u0111i\u1ec7n tho\u1ea1i b\u1ed7ng nhi\u00ean b\u1ecb y\u1ebfu<\/a><\/em><\/strong><\/p>\n\n\n\n<p>L\u01b0u \u00fd r\u1eb1ng, ph\u01b0\u01a1ng \u00e1n n\u00e0y ch\u1ec9 s\u1eed d\u1ee5ng v\u1edbi \u0111i\u1ec1u ki\u1ec7n t\u1ea1m th\u1eddi v\u00ec truy c\u1eadp 3G, 4G \u0111\u1ec3 xem phim, l\u01b0\u1edbt web tr\u00ean laptop ti\u00eau t\u1ed1n r\u1ea5t nhi\u1ec1u dung l\u01b0\u1ee3ng v\u00e0 h\u1ea7u bao c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile is-vertically-aligned-top has-white-background-color has-background\" style=\"grid-template-columns:30% auto\"><figure class=\"wp-block-media-text__media\"><a href=\"https:\/\/phongvu.vn\/router-tplink-4g-m7350--s1701753?utm_source=social&amp;utm_medium=technews&amp;utm_campaign=wifi-4g-tplink\"><img decoding=\"async\" loading=\"lazy\" width=\"800\" height=\"800\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2023\/02\/bo-phat-wifi-4g.jpg\" alt=\"\" class=\"wp-image-76722 size-full\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2023\/02\/bo-phat-wifi-4g.jpg 800w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2023\/02\/bo-phat-wifi-4g-300x300.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2023\/02\/bo-phat-wifi-4g-150x150.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2023\/02\/bo-phat-wifi-4g-768x768.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" title=\"\"><\/a><\/figure><div class=\"wp-block-media-text__content\">\n<p class=\"wp-block-heading has-text-color\" style=\"color:#000000;font-size:22px\"><strong><strong>B\u1ed9 ph\u00e1t wifi 4G TP-Link M7350<\/strong><\/strong><\/p>\n\n\n\n<p class=\"has-vivid-red-color has-text-color has-medium-font-size\"><strong><strong><strong>1.399.000\u20ab<\/strong><\/strong><\/strong>     <s>1.999.000\u20ab<\/s><\/p>\n\n\n\n<div class=\"is-layout-flex wp-block-buttons has-custom-font-size has-medium-font-size\">\n<div class=\"wp-block-button has-custom-font-size is-style-fill\" style=\"font-size:18px\"><a class=\"wp-block-button__link has-white-color has-vivid-cyan-blue-background-color has-text-color has-background wp-element-button\" href=\"https:\/\/phongvu.vn\/router-tplink-4g-m7350--s1701753?utm_source=social&amp;utm_medium=technews&amp;utm_campaign=wifi-4g-tplink\" style=\"border-radius:20px\" target=\"_blank\" rel=\"noreferrer noopener\">MUA NGAY<\/a><\/div>\n<\/div>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Sau s\u1ef1 c\u1ed1 \u0111\u1ee9t 4 tuy\u1ebfn c\u00e1p quang bi\u1ec3n l\u00e0m \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp t\u1edbi ng\u01b0\u1eddi d\u00f9ng m\u1ea1ng Internet Vi\u1ec7t Nam th\u00ec l\u1ea1i c\u00f3 th\u00eam th\u00f4ng tin tuy\u1ebfn cu\u1ed1i c\u00f9ng c\u0169ng \u0111\u00e3 g\u1eb7p tr\u1ee5c tr\u1eb7c. Trong khi \u0111\u1ee3i c\u00e1c \u0111\u1ed1i t\u00e1c n\u01b0\u1edbc ngo\u00e0i huy \u0111\u1ed9ng t\u00e0u \u0111\u1ec3 kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 th\u00ec Phong V\u0169 s\u1ebd [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":68640,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"aside","meta":{"inline_featured_image":false},"categories":[74],"tags":[],"_links":{"self":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts\/68618"}],"collection":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/comments?post=68618"}],"version-history":[{"count":5,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts\/68618\/revisions"}],"predecessor-version":[{"id":76725,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts\/68618\/revisions\/76725"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/media\/68640"}],"wp:attachment":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/media?parent=68618"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/categories?post=68618"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/tags?post=68618"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}