{"id":31826,"date":"2025-09-14T09:14:11","date_gmt":"2025-09-14T02:14:11","guid":{"rendered":"https:\/\/interdata.vn\/blog\/?p=31826"},"modified":"2025-09-16T16:27:32","modified_gmt":"2025-09-16T09:27:32","slug":"router-la-gi","status":"publish","type":"post","link":"https:\/\/interdata.vn\/blog\/router-la-gi\/","title":{"rendered":"Router l\u00e0 g\u00ec? Ch\u1ee9c n\u0103ng, L\u1ee3i \u00edch &#038; So s\u00e1nh Modem v\u1edbi Router\u00a0"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-white ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">N\u1ed8I DUNG<\/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\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" 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><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/interdata.vn\/blog\/router-la-gi\/#Router-la-gi\" >Router l\u00e0 g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/interdata.vn\/blog\/router-la-gi\/#Router-dung-de-lam-gi\" >Router d\u00f9ng \u0111\u1ec3 l\u00e0m g\u00ec?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/interdata.vn\/blog\/router-la-gi\/#Chuc-nang-cua-bo-dinh-tuyen-Router\" >Ch\u1ee9c n\u0103ng c\u1ee7a b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn Router<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/interdata.vn\/blog\/router-la-gi\/#Router-Wi-FI-hoat-dong-nhu-the-nao\" >Router Wi-FI ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/interdata.vn\/blog\/router-la-gi\/#Loi-ich-va-han-che-khi-su-dung-thiet-bi-router\" >L\u1ee3i \u00edch v\u00e0 h\u1ea1n ch\u1ebf khi s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb router<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/interdata.vn\/blog\/router-la-gi\/#Loi-ich-cua-Router-Wifi\" >L\u1ee3i \u00edch c\u1ee7a Router\u00a0Wifi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/interdata.vn\/blog\/router-la-gi\/#Han-che-cua-Router-Wifi\" >H\u1ea1n ch\u1ebf c\u1ee7a Router\u00a0Wifi<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/interdata.vn\/blog\/router-la-gi\/#Cac-loai-router-pho-bien-tren-thi-truong-hien-nay\" >C\u00e1c lo\u1ea1i router ph\u1ed5 bi\u1ebfn tr\u00ean th\u1ecb tr\u01b0\u1eddng hi\u1ec7n nay<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/interdata.vn\/blog\/router-la-gi\/#Router-gia-dinh-va-van-phong-nho-Wireless-Router\" >Router gia \u0111\u00ecnh v\u00e0 v\u0103n ph\u00f2ng nh\u1ecf (Wireless Router)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/interdata.vn\/blog\/router-la-gi\/#Router-doanh-nghiep\" >Router doanh nghi\u1ec7p<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/interdata.vn\/blog\/router-la-gi\/#Router-ao-Virtual-Router\" >Router \u1ea3o (Virtual Router)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/interdata.vn\/blog\/router-la-gi\/#Router-chuyen-dung-Gaming-Router-Mesh-Router\" >Router chuy\u00ean d\u1ee5ng (Gaming Router, Mesh Router)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/interdata.vn\/blog\/router-la-gi\/#So-sanh-su-khac-nhau-giua-Modem-va-Router-Wi-Fi\" >So s\u00e1nh s\u1ef1 kh\u00e1c nhau gi\u1eefa Modem v\u00e0 Router Wi-Fi<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/interdata.vn\/blog\/router-la-gi\/#Tieu-chi-chon-mua-router-phu-hop-voi-nhu-cau\" >Ti\u00eau ch\u00ed ch\u1ecdn mua router ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/interdata.vn\/blog\/router-la-gi\/#Cac-thuong-hieu-Router-Wi-Fi-uy-tin-tren-thi-truong\" >C\u00e1c th\u01b0\u01a1ng hi\u1ec7u Router Wi-Fi uy t\u00edn tr\u00ean th\u1ecb tr\u01b0\u1eddng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/interdata.vn\/blog\/router-la-gi\/#Cau-hoi-thuong-gap-ve-Router-FAQ\" >C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 Router (FAQ)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/interdata.vn\/blog\/router-la-gi\/#Router-co-can-Internet-de-hoat-dong-khong\" >Router c\u00f3 c\u1ea7n Internet \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/interdata.vn\/blog\/router-la-gi\/#Router-co-gioi-han-so-luong-thiet-bi-ket-noi-khong\" >Router c\u00f3 gi\u1edbi h\u1ea1n s\u1ed1 l\u01b0\u1ee3ng thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i kh\u00f4ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/interdata.vn\/blog\/router-la-gi\/#Wi-Fi-6-co-thuc-su-nhanh-hon-Wi-Fi-5-khong\" >Wi-Fi 6 c\u00f3 th\u1ef1c s\u1ef1 nhanh h\u01a1n Wi-Fi 5 kh\u00f4ng?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/interdata.vn\/blog\/router-la-gi\/#Nen-dat-router-o-dau-de-co-song-tot-nhat\" >N\u00ean \u0111\u1eb7t router \u1edf \u0111\u00e2u \u0111\u1ec3 c\u00f3 s\u00f3ng t\u1ed1t nh\u1ea5t?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/interdata.vn\/blog\/router-la-gi\/#Lam-sao-de-biet-router-cua-toi-co-an-toan-khong\" >L\u00e0m sao \u0111\u1ec3 bi\u1ebft router c\u1ee7a t\u00f4i c\u00f3 an to\u00e0n kh\u00f4ng?<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<p>Ng\u00e0y nay, Internet \u0111\u00e3 tr\u1edf th\u00e0nh \u201ch\u1ea1 t\u1ea7ng\u201d thi\u1ebft y\u1ebfu cho h\u1ecdc t\u1eadp, l\u00e0m vi\u1ec7c v\u00e0 gi\u1ea3i tr\u00ed. V\u00e0 \u0111\u1ec3 c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i Internet \u1ed5n \u0111\u1ecbnh, thi\u1ebft b\u1ecb \u0111\u00f3ng vai tr\u00f2 trung t\u00e2m ch\u00ednh l\u00e0 Router (b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn). V\u1eady Router l\u00e0 g\u00ec v\u00e0 t\u1ea1i sao n\u00f3 l\u1ea1i quan tr\u1ecdng \u0111\u1ebfn v\u1eady? Trong b\u00e0i vi\u1ebft n\u00e0y, InterData s\u1ebd ph\u00e2n t\u00edch chi ti\u1ebft v\u1ec1 Router, c\u00e1c ch\u1ee9c n\u0103ng ch\u00ednh, ph\u00e2n lo\u1ea1i Router ph\u1ed5 bi\u1ebfn, s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa Modem v\u00e0 Router, \u0111\u1ed3ng th\u1eddi g\u1ee3i \u00fd c\u00e1ch l\u1ef1a ch\u1ecdn Router ph\u00f9 h\u1ee3p cho nhu c\u1ea7u c\u00e1 nh\u00e2n v\u00e0 doanh nghi\u1ec7p.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Router-la-gi\"><\/span>Router l\u00e0 g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><strong>B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn, hay router, l\u00e0 thi\u1ebft b\u1ecb m\u1ea1ng c\u00f3 ch\u1ee9c n\u0103ng chuy\u1ec3n ti\u1ebfp c\u00e1c g\u00f3i d\u1eef li\u1ec7u gi\u1eefa c\u00e1c m\u1ea1ng m\u00e1y t\u00ednh kh\u00e1c nhau<\/strong>. Khi m\u1ed9t g\u00f3i d\u1eef li\u1ec7u \u0111\u1ebfn router, n\u00f3 s\u1ebd \u0111\u1ecdc \u0111\u1ecba ch\u1ec9 IP \u0111\u00edch trong g\u00f3i, sau \u0111\u00f3 d\u1ef1a v\u00e0o b\u1ea3ng \u0111\u1ecbnh tuy\u1ebfn \u0111\u1ec3 ch\u1ecdn \u0111\u01b0\u1eddng \u0111i t\u1ed1i \u01b0u nh\u1ea5t nh\u1eb1m g\u1eedi g\u00f3i d\u1eef li\u1ec7u \u0111\u1ebfn \u0111\u00edch cu\u1ed1i c\u00f9ng.<\/p>\n<p>N\u00f3i c\u00e1ch kh\u00e1c, router ho\u1ea1t \u0111\u1ed9ng nh\u01b0 \u201cng\u01b0\u1eddi \u0111\u01b0a th\u01b0 th\u00f4ng minh,\u201d x\u00e1c \u0111\u1ecbnh v\u00e0 \u0111\u1ecbnh h\u01b0\u1edbng l\u01b0u l\u01b0\u1ee3ng d\u1eef li\u1ec7u \u0111i trong c\u00e1c m\u1ea1ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o d\u1eef li\u1ec7u \u0111\u1ebfn n\u01a1i mong mu\u1ed1n m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n<figure id=\"attachment_31829\" aria-describedby=\"caption-attachment-31829\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-31829\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/07\/Router-la-gi.jpg\" alt=\"Router l\u00e0 g\u00ec?\" width=\"800\" height=\"450\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/07\/Router-la-gi.jpg 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/07\/Router-la-gi-300x169.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/07\/Router-la-gi-768x432.jpg 768w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/07\/Router-la-gi-750x422.jpg 750w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-31829\" class=\"wp-caption-text\">Router l\u00e0 g\u00ec?<\/figcaption><\/figure>\n<p>Router k\u1ebft n\u1ed1i hai ho\u1eb7c nhi\u1ec1u m\u1ea1ng IP kh\u00e1c nhau, nh\u01b0 m\u1ea1ng LAN n\u1ed9i b\u1ed9 v\u1edbi Internet ho\u1eb7c c\u00e1c m\u1ea1ng LAN doanh nghi\u1ec7p v\u1edbi nhau. Trong m\u00f4 h\u00ecnh OSI, router ho\u1ea1t \u0111\u1ed9ng \u1edf l\u1edbp 3 &#8211; l\u1edbp m\u1ea1ng, c\u00f3 th\u1ec3 l\u00e0 thi\u1ebft b\u1ecb v\u1eadt l\u00fd ho\u1eb7c \u1ea3o, Router th\u01b0\u1eddng n\u1eb1m \u1edf v\u1ecb tr\u00ed k\u1ebft n\u1ed1i gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb modem, switch v\u00e0 c\u00e1c thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i trong m\u1ea1ng gia \u0111\u00ecnh ho\u1eb7c m\u1ea1ng doanh nghi\u1ec7p l\u1edbn.<\/p>\n<p>B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn l\u00e0 thi\u1ebft b\u1ecb ch\u1ecbu tr\u00e1ch nhi\u1ec7m ph\u00e2n t\u00edch, x\u00e1c \u0111\u1ecbnh v\u00e0 \u0111\u1ecbnh h\u01b0\u1edbng \u0111\u01b0\u1eddng \u0111i cho c\u00e1c g\u00f3i m\u1ea1ng qua nhi\u1ec1u m\u1ea1ng kh\u00e1c nhau, gi\u00fap \u0111\u1ea3m b\u1ea3o d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c truy\u1ec1n t\u1ea3i ch\u00ednh x\u00e1c v\u00e0 hi\u1ec7u qu\u1ea3 tr\u00ean Internet v\u00e0 c\u00e1c m\u1ea1ng n\u1ed9i b\u1ed9.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Router-dung-de-lam-gi\"><\/span>Router d\u00f9ng \u0111\u1ec3 l\u00e0m g\u00ec?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Router l\u00e0 thi\u1ebft b\u1ecb m\u1ea1ng c\u00f3 ch\u1ee9c n\u0103ng ch\u00ednh l\u00e0 chuy\u1ec3n ti\u1ebfp d\u1eef li\u1ec7u gi\u1eefa c\u00e1c m\u1ea1ng m\u00e1y t\u00ednh kh\u00e1c nhau. N\u00f3 \u0111\u1ecbnh tuy\u1ebfn c\u00e1c g\u00f3i d\u1eef li\u1ec7u t\u1eeb m\u1ed9t m\u1ea1ng \u0111\u1ebfn nhi\u1ec1u \u0111i\u1ec3m \u0111\u00edch cu\u1ed1i c\u00f9ng, gi\u00fap c\u00e1c thi\u1ebft b\u1ecb nh\u01b0 m\u00e1y t\u00ednh, \u0111i\u1ec7n tho\u1ea1i k\u1ebft n\u1ed1i Internet ho\u1eb7c giao ti\u1ebfp v\u1edbi nhau trong m\u1ea1ng n\u1ed9i b\u1ed9.<\/p>\n<p>Ngo\u00e0i ra, router th\u01b0\u1eddng c\u00f3 kh\u1ea3 n\u0103ng ph\u00e1t s\u00f3ng WiFi \u0111\u1ec3 c\u00e1c thi\u1ebft b\u1ecb kh\u00f4ng d\u00e2y c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i. Router c\u0169ng c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i m\u1ea1ng c\u00f3 d\u00e2y th\u00f4ng qua c\u1ed5ng LAN v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi modem \u0111\u1ec3 nh\u1eadn t\u00edn hi\u1ec7u Internet t\u1eeb nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5.<\/p>\n<p>Router l\u00e0 thi\u1ebft b\u1ecb trung gian gi\u00fap d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c truy\u1ec1n t\u1ea3i ch\u00ednh x\u00e1c v\u00e0 hi\u1ec7u qu\u1ea3 gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb v\u00e0 m\u1ea1ng kh\u00e1c nhau, \u0111\u1ed3ng th\u1eddi cung c\u1ea5p kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i Internet kh\u00f4ng d\u00e2y ho\u1eb7c c\u00f3 d\u00e2y cho nhi\u1ec1u thi\u1ebft b\u1ecb c\u00f9ng l\u00fac trong m\u1ea1ng c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Chuc-nang-cua-bo-dinh-tuyen-Router\"><\/span>Ch\u1ee9c n\u0103ng c\u1ee7a b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn Router<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Router c\u00f3 ch\u1ee9c n\u0103ng g\u00ec? B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn Router kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 c\u1ea7u n\u1ed1i internet, n\u00f3 \u0111\u1ea3m nhi\u1ec7m nhi\u1ec1u vai tr\u00f2 quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o m\u1ea1ng c\u1ee7a b\u1ea1n ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh v\u00e0 an to\u00e0n. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 ch\u1ee9c n\u0103ng router b\u1ea1n n\u00ean bi\u1ebft:<\/p>\n<ul>\n<li><strong>\u0110\u1ecbnh tuy\u1ebfn g\u00f3i tin (Routing):<\/strong> \u0110\u00e2y l\u00e0 ch\u1ee9c n\u0103ng c\u1ed1t l\u00f5i. Router s\u1ebd ph\u00e2n t\u00edch \u0111\u1ecba ch\u1ec9 IP c\u1ee7a c\u00e1c g\u00f3i d\u1eef li\u1ec7u v\u00e0 quy\u1ebft \u0111\u1ecbnh \u0111\u01b0\u1eddng \u0111i t\u1ed1i \u01b0u nh\u1ea5t \u0111\u1ec3 g\u1eedi ch\u00fang \u0111\u1ebfn \u0111\u00edch. N\u00f3 gi\u1ed1ng nh\u01b0 m\u1ed9t ng\u01b0\u1eddi \u0111\u01b0a th\u01b0 th\u00f4ng minh, bi\u1ebft ch\u00ednh x\u00e1c b\u01b0u ki\u1ec7n c\u1ea7n \u0111\u1ebfn \u0111\u00e2u.<\/li>\n<li><strong>C\u1ea5p ph\u00e1t \u0111\u1ecba ch\u1ec9 IP (DHCP &#8211; Dynamic Host Configuration Protocol):<\/strong> Router t\u1ef1 \u0111\u1ed9ng g\u00e1n m\u1ed9t \u0111\u1ecba ch\u1ec9 IP duy nh\u1ea5t cho m\u1ed7i thi\u1ebft b\u1ecb khi ch\u00fang k\u1ebft n\u1ed1i v\u00e0o m\u1ea1ng c\u1ee7a b\u1ea1n. \u0110i\u1ec1u n\u00e0y gi\u00fap c\u00e1c thi\u1ebft b\u1ecb nh\u1eadn di\u1ec7n v\u00e0 giao ti\u1ebfp \u0111\u01b0\u1ee3c v\u1edbi nhau m\u00e0 kh\u00f4ng b\u1ecb tr\u00f9ng l\u1eb7p.<\/li>\n<li><strong>D\u1ecbch \u0111\u1ecba ch\u1ec9 m\u1ea1ng (NAT &#8211; Network Address Translation):<\/strong> Ch\u1ee9c n\u0103ng n\u00e0y cho ph\u00e9p nhi\u1ec1u thi\u1ebft b\u1ecb trong m\u1ea1ng n\u1ed9i b\u1ed9 c\u1ee7a b\u1ea1n chia s\u1ebb m\u1ed9t \u0111\u1ecba ch\u1ec9 IP c\u00f4ng c\u1ed9ng duy nh\u1ea5t do ISP cung c\u1ea5p. Nh\u1edd NAT, b\u1ea1n ch\u1ec9 c\u1ea7n m\u1ed9t h\u1ee3p \u0111\u1ed3ng internet nh\u01b0ng c\u1ea3 gia \u0111\u00ecnh v\u1eabn c\u00f3 th\u1ec3 c\u00f9ng online.<\/li>\n<li><strong>Qu\u1ea3n l\u00fd m\u1ea1ng Wi-Fi:<\/strong> \u0110\u1ed1i v\u1edbi c\u00e1c router kh\u00f4ng d\u00e2y, ch\u00fang ph\u00e1t s\u00f3ng t\u00edn hi\u1ec7u Wi-Fi, cho ph\u00e9p c\u00e1c thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i internet m\u00e0 kh\u00f4ng c\u1ea7n d\u00e2y c\u00e1p. Router c\u0169ng qu\u1ea3n l\u00fd c\u00e1c c\u00e0i \u0111\u1eb7t Wi-Fi nh\u01b0 t\u00ean m\u1ea1ng (SSID), m\u1eadt kh\u1ea9u, v\u00e0 c\u00e1c chu\u1ea9n b\u1ea3o m\u1eadt.<\/li>\n<li><strong>T\u01b0\u1eddng l\u1eeda (Firewall):<\/strong> H\u1ea7u h\u1ebft c\u00e1c router hi\u1ec7n \u0111\u1ea1i \u0111\u1ec1u t\u00edch h\u1ee3p t\u01b0\u1eddng l\u1eeda c\u01a1 b\u1ea3n \u0111\u1ec3 b\u1ea3o v\u1ec7 m\u1ea1ng c\u1ee7a b\u1ea1n kh\u1ecfi c\u00e1c truy c\u1eadp tr\u00e1i ph\u00e9p t\u1eeb b\u00ean ngo\u00e0i, ng\u0103n ch\u1eb7n c\u00e1c cu\u1ed9c t\u1ea5n c\u00f4ng m\u1ea1ng ti\u1ec1m \u1ea9n.<\/li>\n<li><strong>Qu\u1ea3n l\u00fd ch\u1ea5t l\u01b0\u1ee3ng d\u1ecbch v\u1ee5 (QoS &#8211; Quality of Service):<\/strong> T\u00ednh n\u0103ng QoS cho ph\u00e9p b\u1ea1n \u01b0u ti\u00ean b\u0103ng th\u00f4ng cho m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng ho\u1eb7c thi\u1ebft b\u1ecb nh\u1ea5t \u0111\u1ecbnh. V\u00ed d\u1ee5, b\u1ea1n c\u00f3 th\u1ec3 \u01b0u ti\u00ean l\u01b0u l\u01b0\u1ee3ng cho c\u00e1c cu\u1ed9c h\u1ecdp online ho\u1eb7c tr\u00f2 ch\u01a1i tr\u1ef1c tuy\u1ebfn \u0111\u1ec3 gi\u1ea3m \u0111\u1ed9 tr\u1ec5.<\/li>\n<li><strong>VPN (Virtual Private Network) support<\/strong>: Nhi\u1ec1u router h\u1ed7 tr\u1ee3 k\u1ebft n\u1ed1i VPN \u0111\u1ec3 t\u1ea1o m\u1ea1ng ri\u00eang \u1ea3o, b\u1ea3o m\u1eadt v\u00e0 truy c\u1eadp t\u1eeb xa an to\u00e0n.<\/li>\n<li><strong>Port Forwarding v\u00e0 UPnP<\/strong>: Cho ph\u00e9p \u0111\u1ecbnh tuy\u1ebfn l\u01b0u l\u01b0\u1ee3ng m\u1ea1ng th\u00edch h\u1ee3p cho c\u00e1c \u1ee9ng d\u1ee5ng nh\u01b0 game online, camera IP, m\u00e1y ch\u1ee7 t\u1ea1i nh\u00e0.<\/li>\n<li><strong>QoS n\u00e2ng cao v\u00e0 Band Steering<\/strong>: M\u1ed9t s\u1ed1 router cung c\u1ea5p c\u00e1c ch\u1ee9c n\u0103ng QoS n\u00e2ng cao h\u01a1n \u0111\u1ec3 qu\u1ea3n l\u00fd b\u0103ng th\u00f4ng chi ti\u1ebft v\u00e0 \u0111i\u1ec1u khi\u1ec3n thi\u1ebft b\u1ecb chuy\u1ec3n \u0111\u1ed5i gi\u1eefa c\u00e1c b\u0103ng t\u1ea7n Wi-Fi 2.4GHz v\u00e0 5GHz th\u00f4ng minh.<\/li>\n<li><strong>Ki\u1ec3m so\u00e1t ph\u1ee5 huynh (Parental Controls)<\/strong>: H\u1ea1n ch\u1ebf truy c\u1eadp internet theo th\u1eddi gian ho\u1eb7c trang web, qu\u1ea3n l\u00fd ng\u01b0\u1eddi d\u00f9ng trong m\u1ea1ng gia \u0111\u00ecnh.<\/li>\n<li><strong>Guest Network<\/strong>: T\u1ea1o m\u1ea1ng Wi-Fi kh\u00e1ch ri\u00eang bi\u1ec7t \u0111\u1ec3 b\u1ea3o v\u1ec7 m\u1ea1ng ch\u00ednh, t\u0103ng t\u00ednh an to\u00e0n.<\/li>\n<\/ul>\n<figure id=\"attachment_31830\" aria-describedby=\"caption-attachment-31830\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-31830\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/07\/Chuc-nang-chinh-cua-bo-dinh-tuyen-Router.webp\" alt=\"Ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn Router\" width=\"800\" height=\"800\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/07\/Chuc-nang-chinh-cua-bo-dinh-tuyen-Router.webp 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/07\/Chuc-nang-chinh-cua-bo-dinh-tuyen-Router-300x300.webp 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/07\/Chuc-nang-chinh-cua-bo-dinh-tuyen-Router-150x150.webp 150w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/07\/Chuc-nang-chinh-cua-bo-dinh-tuyen-Router-768x768.webp 768w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/07\/Chuc-nang-chinh-cua-bo-dinh-tuyen-Router-75x75.webp 75w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/07\/Chuc-nang-chinh-cua-bo-dinh-tuyen-Router-350x350.webp 350w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/07\/Chuc-nang-chinh-cua-bo-dinh-tuyen-Router-750x750.webp 750w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-31830\" class=\"wp-caption-text\">Ch\u1ee9c n\u0103ng ch\u00ednh c\u1ee7a b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn Router<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"Router-Wi-FI-hoat-dong-nhu-the-nao\"><\/span>Router Wi-FI ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Router Wi-Fi ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch <strong>nh\u1eadn t\u00edn hi\u1ec7u Internet t\u1eeb modem<\/strong> (qua c\u1ed5ng WAN), sau \u0111\u00f3 ph\u00e2n ph\u1ed1i t\u00edn hi\u1ec7u n\u00e0y cho c\u00e1c thi\u1ebft b\u1ecb trong m\u1ea1ng th\u00f4ng qua<strong> s\u00f3ng Wi-Fi ho\u1eb7c c\u1ed5ng LAN<\/strong> c\u00f3 d\u00e2y. Router s\u1ebd g\u00e1n \u0111\u1ecba ch\u1ec9 IP n\u1ed9i b\u1ed9 cho t\u1eebng thi\u1ebft b\u1ecb, qu\u1ea3n l\u00fd c\u00e1c k\u1ebft n\u1ed1i m\u1ea1ng, \u0111\u1ed3ng th\u1eddi b\u1ea3o m\u1eadt \u0111\u01b0\u1eddng truy\u1ec1n b\u1eb1ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p nh\u01b0 m\u00e3 h\u00f3a Wi-Fi (WPA2, WPA3) v\u00e0 t\u01b0\u1eddng l\u1eeda.<\/p>\n<p>Khi m\u1ed9t thi\u1ebft b\u1ecb nh\u01b0 \u0111i\u1ec7n tho\u1ea1i ho\u1eb7c laptop k\u1ebft n\u1ed1i Wi-Fi, router s\u1ebd g\u1eedi y\u00eau c\u1ea7u d\u1eef li\u1ec7u \u0111\u1ebfn modem, modem l\u1ea5y d\u1eef li\u1ec7u t\u1eeb nh\u00e0 cung c\u1ea5p Internet r\u1ed3i tr\u1ea3 l\u1ea1i th\u00f4ng qua router \u0111\u1ebfn thi\u1ebft b\u1ecb \u0111\u00f3.<\/p>\n<p>Router Wi-Fi l\u00e0 thi\u1ebft b\u1ecb trung gian ph\u00e2n ph\u1ed1i Internet kh\u00f4ng d\u00e2y trong m\u1ea1ng n\u1ed9i b\u1ed9, qu\u1ea3n l\u00fd v\u00e0 b\u1ea3o v\u1ec7 c\u00e1c k\u1ebft n\u1ed1i m\u1ea1ng thi\u1ebft b\u1ecb gia \u0111\u00ecnh ho\u1eb7c v\u0103n ph\u00f2ng.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Loi-ich-va-han-che-khi-su-dung-thiet-bi-router\"><\/span>L\u1ee3i \u00edch v\u00e0 h\u1ea1n ch\u1ebf khi s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb router<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Thi\u1ebft b\u1ecb router \u0111\u00f3ng vai tr\u00f2 kh\u00f4ng th\u1ec3 thi\u1ebfu trong m\u1ed7i h\u1ec7 th\u1ed1ng m\u1ea1ng, mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch nh\u01b0ng c\u0169ng \u0111i k\u00e8m v\u1edbi m\u1ed9t s\u1ed1 h\u1ea1n ch\u1ebf nh\u1ea5t \u0111\u1ecbnh.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Loi-ich-cua-Router-Wifi\"><\/span>L\u1ee3i \u00edch c\u1ee7a Router\u00a0Wifi<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>Chia s\u1ebb k\u1ebft n\u1ed1i Internet hi\u1ec7u qu\u1ea3:<\/strong> Router cho ph\u00e9p nhi\u1ec1u thi\u1ebft b\u1ecb c\u00f9ng l\u00fac truy c\u1eadp Internet th\u00f4ng qua m\u1ed9t k\u1ebft n\u1ed1i duy nh\u1ea5t t\u1eeb nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5. \u0110i\u1ec1u n\u00e0y gi\u00fap t\u1ed1i \u01b0u chi ph\u00ed v\u00e0 ti\u1ec7n l\u1ee3i cho ng\u01b0\u1eddi d\u00f9ng.<\/li>\n<li><strong>T\u1ea1o m\u1ea1ng n\u1ed9i b\u1ed9 (LAN):<\/strong> Router gi\u00fap c\u00e1c thi\u1ebft b\u1ecb trong nh\u00e0 ho\u1eb7c v\u0103n ph\u00f2ng c\u00f3 th\u1ec3 giao ti\u1ebfp v\u1edbi nhau, chia s\u1ebb t\u1eadp tin, m\u00e1y in m\u00e0 kh\u00f4ng c\u1ea7n Internet. V\u00ed d\u1ee5, b\u1ea1n c\u00f3 th\u1ec3 in t\u00e0i li\u1ec7u t\u1eeb \u0111i\u1ec7n tho\u1ea1i \u0111\u1ebfn m\u00e1y in k\u1ebft n\u1ed1i trong m\u1ea1ng LAN.<\/li>\n<li><strong>Cung c\u1ea5p k\u1ebft n\u1ed1i kh\u00f4ng d\u00e2y (Wi-Fi):<\/strong> Router Wi-Fi \u0111\u00e3 tr\u1edf th\u00e0nh ti\u00eau chu\u1ea9n, mang l\u1ea1i s\u1ef1 linh ho\u1ea1t v\u00e0 ti\u1ec7n l\u1ee3i khi s\u1eed d\u1ee5ng Internet \u1edf b\u1ea5t c\u1ee9 \u0111\u00e2u trong v\u00f9ng ph\u1ee7 s\u00f3ng m\u00e0 kh\u00f4ng c\u1ea7n d\u00e2y c\u00e1p v\u01b0\u1edbng v\u00edu.<\/li>\n<li><strong>T\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt m\u1ea1ng:<\/strong> H\u1ea7u h\u1ebft c\u00e1c router hi\u1ec7n \u0111\u1ea1i \u0111\u1ec1u t\u00edch h\u1ee3p t\u01b0\u1eddng l\u1eeda, m\u00e3 h\u00f3a Wi-Fi (WPA2\/WPA3) v\u00e0 c\u00e1c t\u00ednh n\u0103ng ki\u1ec3m so\u00e1t truy c\u1eadp, gi\u00fap b\u1ea3o v\u1ec7 m\u1ea1ng kh\u1ecfi c\u00e1c m\u1ed1i \u0111e d\u1ecda t\u1eeb b\u00ean ngo\u00e0i.<\/li>\n<li><strong>Qu\u1ea3n l\u00fd v\u00e0 ki\u1ec3m so\u00e1t m\u1ea1ng:<\/strong> B\u1ea1n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng qu\u1ea3n l\u00fd c\u00e1c thi\u1ebft b\u1ecb \u0111ang k\u1ebft n\u1ed1i, gi\u1edbi h\u1ea1n b\u0103ng th\u00f4ng cho t\u1eebng thi\u1ebft b\u1ecb, ho\u1eb7c thi\u1ebft l\u1eadp th\u1eddi gian truy c\u1eadp cho tr\u1ebb em th\u00f4ng qua giao di\u1ec7n qu\u1ea3n l\u00fd c\u1ee7a router.<\/li>\n<li><strong>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng:<\/strong> V\u1edbi c\u00e1c t\u00ednh n\u0103ng nh\u01b0 Mesh Wi-Fi hay h\u1ed7 tr\u1ee3 nhi\u1ec1u c\u1ed5ng LAN, router gi\u00fap b\u1ea1n d\u1ec5 d\u00e0ng m\u1edf r\u1ed9ng m\u1ea1ng l\u01b0\u1edbi khi c\u1ea7n thi\u1ebft, \u0111\u00e1p \u1ee9ng nhu c\u1ea7u s\u1eed d\u1ee5ng ng\u00e0y c\u00e0ng t\u0103ng.<\/li>\n<\/ul>\n<figure id=\"attachment_31831\" aria-describedby=\"caption-attachment-31831\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-31831\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/07\/Loi-ich-va-han-che-khi-su-dung-router.jpg\" alt=\"L\u1ee3i \u00edch v\u00e0 h\u1ea1n ch\u1ebf khi s\u1eed d\u1ee5ng router\" width=\"800\" height=\"500\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/07\/Loi-ich-va-han-che-khi-su-dung-router.jpg 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/07\/Loi-ich-va-han-che-khi-su-dung-router-300x188.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/07\/Loi-ich-va-han-che-khi-su-dung-router-768x480.jpg 768w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/07\/Loi-ich-va-han-che-khi-su-dung-router-750x469.jpg 750w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-31831\" class=\"wp-caption-text\">L\u1ee3i \u00edch v\u00e0 h\u1ea1n ch\u1ebf khi s\u1eed d\u1ee5ng router<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Han-che-cua-Router-Wifi\"><\/span>H\u1ea1n ch\u1ebf c\u1ee7a Router\u00a0Wifi<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<ul>\n<li><strong>Gi\u1edbi h\u1ea1n v\u00f9ng ph\u1ee7 s\u00f3ng Wi-Fi:<\/strong> T\u00edn hi\u1ec7u Wi-Fi c\u00f3 th\u1ec3 b\u1ecb suy y\u1ebfu b\u1edfi t\u01b0\u1eddng, v\u1eadt c\u1ea3n v\u00e0 kho\u1ea3ng c\u00e1ch, d\u1eabn \u0111\u1ebfn v\u00f9ng ph\u1ee7 s\u00f3ng kh\u00f4ng \u0111\u1ec1u ho\u1eb7c &#8220;\u0111i\u1ec3m ch\u1ebft&#8221; (dead zones). \u0110\u1ec3 kh\u1eafc ph\u1ee5c, c\u1ea7n s\u1eed d\u1ee5ng th\u00eam thi\u1ebft b\u1ecb m\u1edf r\u1ed9ng s\u00f3ng ho\u1eb7c h\u1ec7 th\u1ed1ng Mesh.<\/li>\n<li><strong>Nhi\u1ec5u s\u00f3ng:<\/strong> C\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed kh\u00e1c nh\u01b0 l\u00f2 vi s\u00f3ng, \u0111i\u1ec7n tho\u1ea1i kh\u00f4ng d\u00e2y, ho\u1eb7c router c\u1ee7a h\u00e0ng x\u00f3m c\u00f3 th\u1ec3 g\u00e2y nhi\u1ec5u s\u00f3ng Wi-Fi, l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t k\u1ebft n\u1ed1i.<\/li>\n<li><strong>Y\u00eau c\u1ea7u c\u1ea5u h\u00ecnh v\u00e0 ki\u1ebfn th\u1ee9c c\u01a1 b\u1ea3n:<\/strong> M\u1eb7c d\u00f9 c\u00e1c router hi\u1ec7n nay \u0111\u00e3 d\u1ec5 c\u00e0i \u0111\u1eb7t h\u01a1n, nh\u01b0ng vi\u1ec7c c\u1ea5u h\u00ecnh c\u00e1c t\u00ednh n\u0103ng n\u00e2ng cao nh\u01b0 VPN, QoS, Port Forwarding v\u1eabn \u0111\u00f2i h\u1ecfi m\u1ed9t ch\u00fat ki\u1ebfn th\u1ee9c k\u1ef9 thu\u1eadt.<\/li>\n<li><strong>\u0110i\u1ec3m y\u1ebfu b\u1ea3o m\u1eadt n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh \u0111\u00fang:<\/strong> N\u1ebfu kh\u00f4ng thay \u0111\u1ed5i m\u1eadt kh\u1ea9u m\u1eb7c \u0111\u1ecbnh, c\u1eadp nh\u1eadt firmware, ho\u1eb7c s\u1eed d\u1ee5ng c\u00e1c chu\u1ea9n b\u1ea3o m\u1eadt y\u1ebfu, router c\u00f3 th\u1ec3 tr\u1edf th\u00e0nh m\u1ee5c ti\u00eau t\u1ea5n c\u00f4ng c\u1ee7a hacker.<\/li>\n<li><strong>Gi\u1edbi h\u1ea1n t\u1ed1c \u0111\u1ed9 theo chu\u1ea9n:<\/strong> Router ch\u1ec9 c\u00f3 th\u1ec3 ph\u00e1t Wi-Fi ho\u1eb7c truy\u1ec1n d\u1eef li\u1ec7u qua c\u00e1p \u1edf t\u1ed1c \u0111\u1ed9 t\u1ed1i \u0111a theo chu\u1ea9n m\u00e0 n\u00f3 h\u1ed7 tr\u1ee3 (v\u00ed d\u1ee5: Wi-Fi 5, Wi-Fi 6, c\u1ed5ng Gigabit Ethernet). N\u1ebfu internet nh\u00e0 b\u1ea1n nhanh h\u01a1n kh\u1ea3 n\u0103ng c\u1ee7a router, b\u1ea1n s\u1ebd kh\u00f4ng t\u1eadn d\u1ee5ng h\u1ebft b\u0103ng th\u00f4ng.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"Cac-loai-router-pho-bien-tren-thi-truong-hien-nay\"><\/span>C\u00e1c lo\u1ea1i router ph\u1ed5 bi\u1ebfn tr\u00ean th\u1ecb tr\u01b0\u1eddng hi\u1ec7n nay<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Th\u1ecb tr\u01b0\u1eddng b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn router r\u1ea5t \u0111a d\u1ea1ng v\u1edbi nhi\u1ec1u lo\u1ea1i kh\u00e1c nhau, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ph\u1ee5c v\u1ee5 c\u00e1c nhu c\u1ea7u s\u1eed d\u1ee5ng ri\u00eang bi\u1ec7t.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Router-gia-dinh-va-van-phong-nho-Wireless-Router\"><\/span>Router gia \u0111\u00ecnh v\u00e0 v\u0103n ph\u00f2ng nh\u1ecf (Wireless Router)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>\u0110\u00e2y l\u00e0 lo\u1ea1i router ph\u1ed5 bi\u1ebfn nh\u1ea5t m\u00e0 b\u1ea1n s\u1ebd th\u1ea5y trong h\u1ea7u h\u1ebft c\u00e1c gia \u0111\u00ecnh v\u00e0 v\u0103n ph\u00f2ng nh\u1ecf, ch\u00fang th\u01b0\u1eddng t\u00edch h\u1ee3p c\u1ea3 ch\u1ee9c n\u0103ng \u0111\u1ecbnh tuy\u1ebfn, chuy\u1ec3n m\u1ea1ch (switch) v\u00e0 \u0111i\u1ec3m truy c\u1eadp kh\u00f4ng d\u00e2y (Access Point &#8211; AP) trong m\u1ed9t thi\u1ebft b\u1ecb. M\u1ee5c \u0111\u00edch ch\u00ednh l\u00e0 <strong>cung c\u1ea5p k\u1ebft n\u1ed1i Wi-Fi<\/strong> cho nhi\u1ec1u thi\u1ebft b\u1ecb nh\u01b0 \u0111i\u1ec7n tho\u1ea1i, m\u00e1y t\u00ednh, TV th\u00f4ng minh, camera an ninh&#8230;<\/p>\n<p>Wireless Router th\u01b0\u1eddng c\u00f3 t\u1eeb 4 \u0111\u1ebfn 8 c\u1ed5ng LAN, h\u1ed7 tr\u1ee3 c\u00e1c chu\u1ea9n Wi-Fi m\u1edbi nh\u1ea5t (Wi-Fi 5, Wi-Fi 6, Wi-Fi 6E), d\u1ec5 c\u00e0i \u0111\u1eb7t v\u00e0 qu\u1ea3n l\u00fd qua giao di\u1ec7n web ho\u1eb7c \u1ee9ng d\u1ee5ng di \u0111\u1ed9ng.<\/p>\n<p>Wireless Router \u0111\u01b0\u1ee3c \u1ee9ng d\u1ee5ng \u0111\u1ec3 k\u1ebft n\u1ed1i Internet cho gia \u0111\u00ecnh, h\u1ecdc online, l\u00e0m vi\u1ec7c t\u1eeb xa, gi\u1ea3i tr\u00ed, ho\u1eb7c cho c\u00e1c v\u0103n ph\u00f2ng quy m\u00f4 nh\u1ecf d\u01b0\u1edbi 20 ng\u01b0\u1eddi d\u00f9ng.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Router-doanh-nghiep\"><\/span>Router doanh nghi\u1ec7p<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Trong c\u00e1c h\u1ec7 th\u1ed1ng m\u1ea1ng l\u1edbn c\u1ee7a doanh nghi\u1ec7p, c\u00e1c lo\u1ea1i router \u0111\u01b0\u1ee3c ph\u00e2n chia r\u00f5 r\u00e0ng h\u01a1n theo vai tr\u00f2 v\u00e0 v\u1ecb tr\u00ed trong ki\u1ebfn tr\u00fac m\u1ea1ng:<\/p>\n<h4>Core Router (Router l\u00f5i)<\/h4>\n<p>N\u1eb1m \u1edf trung t\u00e2m c\u1ee7a m\u1ea1ng l\u01b0\u1edbi l\u1edbn, ch\u1ecbu tr\u00e1ch nhi\u1ec7m \u0111\u1ecbnh tuy\u1ebfn l\u01b0u l\u01b0\u1ee3ng t\u1ed1c \u0111\u1ed9 cao gi\u1eefa c\u00e1c khu v\u1ef1c m\u1ea1ng ch\u00ednh ho\u1eb7c c\u00e1c m\u1ea1ng con l\u1edbn. Ch\u00fang th\u01b0\u1eddng c\u00f3 hi\u1ec7u su\u1ea5t c\u1ef1c cao, kh\u1ea3 n\u0103ng x\u1eed l\u00fd h\u00e0ng tri\u1ec7u g\u00f3i tin m\u1ed7i gi\u00e2y v\u00e0 t\u00ednh \u1ed5n \u0111\u1ecbnh v\u01b0\u1ee3t tr\u1ed9i.<\/p>\n<p><strong>V\u00ed d\u1ee5:<\/strong> M\u1ed9t Core Router c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i to\u00e0n b\u1ed9 tr\u1ee5 s\u1edf ch\u00ednh c\u1ee7a m\u1ed9t t\u1eadp \u0111o\u00e0n l\u1edbn v\u1edbi c\u00e1c chi nh\u00e1nh v\u00e0 trung t\u00e2m d\u1eef li\u1ec7u.<\/p>\n<h4>Edge Router (Router bi\u00ean)<\/h4>\n<p>Edge Router n\u1eb1m \u1edf &#8220;bi\u00ean&#8221; c\u1ee7a m\u1ea1ng, k\u1ebft n\u1ed1i m\u1ea1ng n\u1ed9i b\u1ed9 c\u1ee7a m\u1ed9t t\u1ed5 ch\u1ee9c v\u1edbi c\u00e1c m\u1ea1ng b\u00ean ngo\u00e0i nh\u01b0 Internet ho\u1eb7c c\u00e1c \u0111\u1ed1i t\u00e1c, ch\u00fang <strong>qu\u1ea3n l\u00fd l\u01b0u l\u01b0\u1ee3ng v\u00e0o\/ra<\/strong>, th\u1ef1c hi\u1ec7n c\u00e1c ch\u00ednh s\u00e1ch b\u1ea3o m\u1eadt v\u00e0 c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 c\u00e1c d\u1ecbch v\u1ee5 VPN, t\u01b0\u1eddng l\u1eeda.<\/p>\n<p><strong>V\u00ed d\u1ee5:<\/strong> Router m\u00e0 nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 Internet (ISP) s\u1eed d\u1ee5ng \u0111\u1ec3 k\u1ebft n\u1ed1i m\u1ea1ng c\u1ee7a b\u1ea1n v\u1edbi Internet to\u00e0n c\u1ea7u ch\u00ednh l\u00e0 m\u1ed9t lo\u1ea1i Edge Router.<\/p>\n<h4>Distribution Router (Router ph\u00e2n ph\u1ed1i)<\/h4>\n<p>\u0110\u1eb7t gi\u1eefa Core Router v\u00e0 c\u00e1c Access Layer Switch (thi\u1ebft b\u1ecb chuy\u1ec3n m\u1ea1ch c\u1ea5p truy c\u1eadp). Ch\u00fang t\u1ed5ng h\u1ee3p l\u01b0u l\u01b0\u1ee3ng t\u1eeb c\u00e1c thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i, th\u1ef1c hi\u1ec7n c\u00e1c ch\u00ednh s\u00e1ch \u0111\u1ecbnh tuy\u1ebfn v\u00e0 c\u00f3 th\u1ec3 cung c\u1ea5p c\u00e1c d\u1ecbch n\u0103ng b\u1ea3o m\u1eadt, QoS cho c\u00e1c nh\u00f3m ng\u01b0\u1eddi d\u00f9ng c\u1ee5 th\u1ec3.<\/p>\n<p><strong>V\u00ed d\u1ee5:<\/strong> Trong m\u1ed9t t\u00f2a nh\u00e0 v\u0103n ph\u00f2ng nhi\u1ec1u t\u1ea7ng, m\u1ed7i t\u1ea7ng c\u00f3 th\u1ec3 c\u00f3 m\u1ed9t Distribution Router \u0111\u1ec3 qu\u1ea3n l\u00fd l\u01b0u l\u01b0\u1ee3ng c\u1ee7a t\u1ea7ng \u0111\u00f3 tr\u01b0\u1edbc khi g\u1eedi v\u1ec1 Core Router.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Router-ao-Virtual-Router\"><\/span>Router \u1ea3o (Virtual Router)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Kh\u00e1i ni\u1ec7m router \u1ea3o xu\u1ea5t hi\u1ec7n c\u00f9ng v\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00f4ng ngh\u1ec7 \u1ea3o h\u00f3a, thay v\u00ec l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb v\u1eadt l\u00fd, Virtual Router l\u00e0 m\u1ed9t ph\u1ea7n m\u1ec1m ho\u1eb7c ch\u1ee9c n\u0103ng \u0111\u01b0\u1ee3c tri\u1ec3n khai tr\u00ean m\u00e1y ch\u1ee7 \u1ea3o (VM) ho\u1eb7c trong m\u00f4i tr\u01b0\u1eddng \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y.<\/p>\n<p>Virtual Router cung c\u1ea5p c\u00e1c ch\u1ee9c n\u0103ng \u0111\u1ecbnh tuy\u1ebfn t\u01b0\u01a1ng t\u1ef1 nh\u01b0 router v\u1eadt l\u00fd nh\u01b0ng <strong>linh ho\u1ea1t h\u01a1n, d\u1ec5 d\u00e0ng m\u1edf r\u1ed9ng t\u00e0i nguy\u00ean khi c\u1ea7n <\/strong>v\u00e0 ch\u00fang \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd b\u1eb1ng ph\u1ea7n m\u1ec1m v\u00e0 c\u00f3 th\u1ec3 c\u1ea5u h\u00ecnh nhanh ch\u00f3ng.<\/p>\n<p>Router \u1ea3o \u1ee9ng d\u1ee5ng ph\u1ed5 bi\u1ebfn trong c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u, m\u00f4i tr\u01b0\u1eddng \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y (cloud computing), v\u00e0 c\u00e1c ki\u1ebfn tr\u00fac m\u1ea1ng ph\u1ea7n m\u1ec1m \u0111\u1ecbnh ngh\u0129a (SDN &#8211; Software-Defined Networking). V\u00ed d\u1ee5, khi b\u1ea1n t\u1ea1o m\u1ed9t m\u1ea1ng \u1ea3o (Virtual Private Cloud &#8211; VPC) tr\u00ean AWS hay Google Cloud, c\u00f3 m\u1ed9t Virtual Router \u0111i\u1ec1u khi\u1ec3n l\u01b0u l\u01b0\u1ee3ng cho m\u1ea1ng \u0111\u00f3.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Router-chuyen-dung-Gaming-Router-Mesh-Router\"><\/span>Router chuy\u00ean d\u1ee5ng (Gaming Router, Mesh Router)<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ngo\u00e0i c\u00e1c lo\u1ea1i ch\u00ednh tr\u00ean, c\u00f2n c\u00f3 c\u00e1c router \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho m\u1ee5c \u0111\u00edch \u0111\u1eb7c bi\u1ec7t:<\/p>\n<h4>Gaming Router<\/h4>\n<p>Gaming Router c\u00f3 vai tr\u00f2 t\u1ed1i \u01b0u h\u00f3a cho tr\u1ea3i nghi\u1ec7m ch\u01a1i game tr\u1ef1c tuy\u1ebfn v\u1edbi \u0111\u1ed9 tr\u1ec5 th\u1ea5p, th\u01b0\u1eddng c\u00f3 b\u1ed9 x\u1eed l\u00fd m\u1ea1nh m\u1ebd, RAM l\u1edbn, c\u00e1c t\u00ednh n\u0103ng QoS ti\u00ean ti\u1ebfn \u0111\u1ec3 \u01b0u ti\u00ean l\u01b0u l\u01b0\u1ee3ng game, v\u00e0 \u0111\u00f4i khi c\u00f3 giao di\u1ec7n qu\u1ea3n l\u00fd chuy\u00ean bi\u1ec7t cho game th\u1ee7.<\/p>\n<p><strong>V\u00ed d\u1ee5:<\/strong> C\u00e1c d\u00f2ng router c\u1ee7a Asus ROG, Netgear Nighthawk \u0111\u01b0\u1ee3c game th\u1ee7 \u01b0a chu\u1ed9ng.<\/p>\n<h4>Mesh Router (H\u1ec7 th\u1ed1ng Wi-Fi Mesh)<\/h4>\n<p>Mesh Router g\u1ed3m nhi\u1ec1u thi\u1ebft b\u1ecb (n\u00fat) ho\u1ea1t \u0111\u1ed9ng c\u00f9ng nhau \u0111\u1ec3 t\u1ea1o ra m\u1ed9t m\u1ea1ng Wi-Fi \u0111\u1ed3ng nh\u1ea5t, li\u1ec1n m\u1ea1ch v\u1edbi v\u00f9ng ph\u1ee7 s\u00f3ng r\u1ed9ng kh\u1eafp gi\u00fap kh\u1eafc ph\u1ee5c hi\u1ec7u qu\u1ea3 c\u00e1c &#8220;\u0111i\u1ec3m ch\u1ebft&#8221; Wi-Fi trong nh\u00e0 l\u1edbn ho\u1eb7c nhi\u1ec1u t\u1ea7ng.<\/p>\n<p><strong>V\u00ed d\u1ee5:<\/strong> Google Nest Wifi, TP-Link Deco, Netgear Orbi l\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng Mesh Wi-Fi ph\u1ed5 bi\u1ebfn.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"So-sanh-su-khac-nhau-giua-Modem-va-Router-Wi-Fi\"><\/span>So s\u00e1nh s\u1ef1 kh\u00e1c nhau gi\u1eefa Modem v\u00e0 Router Wi-Fi<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Sau khi \u0111\u00e3 hi\u1ec3u s\u01a1 l\u01b0\u1ee3c v\u1ec1 router l\u00e0 g\u00ec, h\u00e3y c\u00f9ng so s\u00e1nh 2 thi\u1ebft b\u1ecb router v\u00e0 modem kh\u00e1c nhau nh\u01b0 th\u1ebf n\u00e0o<\/p>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 b\u1ea3ng so s\u00e1nh t\u1ed5ng quan v\u1ec1 s\u1ef1 kh\u00e1c nhau gi\u1eefa Router v\u00e0 Modem b\u1ea1n c\u00f3 th\u1ec3 tham kh\u1ea3o:<\/p>\n<table style=\"width: 100%; border-collapse: collapse; font-family: Arial, sans-serif; border: 1px solid #0D6EFD;\">\n<thead>\n<tr style=\"background-color: #0d6efd; color: #fff; text-align: left;\">\n<th style=\"padding: 10px; border: 1px solid #0d6efd; text-align: center;\"><span style=\"color: #ffffff;\"><strong>Ti\u00eau ch\u00ed<\/strong><\/span><\/th>\n<th style=\"padding: 10px; border: 1px solid #0d6efd; text-align: center;\"><span style=\"color: #ffffff;\"><strong>Modem<\/strong><\/span><\/th>\n<th style=\"padding: 10px; border: 1px solid #0d6efd; text-align: center;\"><span style=\"color: #ffffff;\"><strong>Router<\/strong><\/span><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #0D6EFD;\"><span style=\"color: #000000;\">Ch\u1ee9c n\u0103ng ch\u00ednh<\/span><\/td>\n<td style=\"padding: 10px; border: 1px solid #0D6EFD;\"><span style=\"color: #000000;\">K\u1ebft n\u1ed1i Internet t\u1eeb nh\u00e0 cung c\u1ea5p (ISP) v\u1ec1 m\u1ea1ng c\u1ee7a b\u1ea1n.<\/span><\/td>\n<td style=\"padding: 10px; border: 1px solid #0D6EFD;\"><span style=\"color: #000000;\">K\u1ebft n\u1ed1i nhi\u1ec1u thi\u1ebft b\u1ecb trong m\u1ea1ng n\u1ed9i b\u1ed9 v\u00e0 ph\u00e2n ph\u1ed1i Internet t\u1eeb Modem t\u1edbi c\u00e1c thi\u1ebft b\u1ecb \u0111\u00f3.<\/span><\/td>\n<\/tr>\n<tr style=\"background-color: #f4f9ff;\">\n<td style=\"padding: 10px; border: 1px solid #0D6EFD;\"><span style=\"color: #000000;\">Vai tr\u00f2<\/span><\/td>\n<td style=\"padding: 10px; border: 1px solid #0D6EFD;\"><span style=\"color: #000000;\">Bi\u1ebfn \u0111\u1ed5i t\u00edn hi\u1ec7u s\u1ed1 t\u1eeb nh\u00e0 m\u1ea1ng th\u00e0nh t\u00edn hi\u1ec7u c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng trong m\u1ea1ng n\u1ed9i b\u1ed9.<\/span><\/td>\n<td style=\"padding: 10px; border: 1px solid #0D6EFD;\"><span style=\"color: #000000;\">\u0110\u1ecbnh tuy\u1ebfn v\u00e0 chuy\u1ec3n ti\u1ebfp g\u00f3i d\u1eef li\u1ec7u gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb trong m\u1ea1ng, qu\u1ea3n l\u00fd traffic m\u1ea1ng.<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #0D6EFD;\"><span style=\"color: #000000;\">T\u01b0\u01a1ng t\u00e1c v\u1edbi Internet<\/span><\/td>\n<td style=\"padding: 10px; border: 1px solid #0D6EFD;\"><span style=\"color: #000000;\">Ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed9c l\u1eadp, k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp v\u1edbi t\u00edn hi\u1ec7u internet t\u1eeb ISP (c\u00e1p quang, ADSL&#8230;).<\/span><\/td>\n<td style=\"padding: 10px; border: 1px solid #0D6EFD;\"><span style=\"color: #000000;\">Kh\u00f4ng th\u1ec3 k\u1ebft n\u1ed1i Internet \u0111\u1ed9c l\u1eadp, ph\u1ea3i d\u1ef1a v\u00e0o Modem \u0111\u1ec3 truy c\u1eadp Internet.<\/span><\/td>\n<\/tr>\n<tr style=\"background-color: #f4f9ff;\">\n<td style=\"padding: 10px; border: 1px solid #0D6EFD;\"><span style=\"color: #000000;\">S\u1ed1 c\u1ed5ng LAN<\/span><\/td>\n<td style=\"padding: 10px; border: 1px solid #0D6EFD;\"><span style=\"color: #000000;\">Th\u01b0\u1eddng c\u00f3 1-2 c\u1ed5ng LAN, m\u1ed9t c\u1ed5ng \u0111\u1ec3 nh\u1eadn t\u00edn hi\u1ec7u t\u1eeb nh\u00e0 m\u1ea1ng.<\/span><\/td>\n<td style=\"padding: 10px; border: 1px solid #0D6EFD;\"><span style=\"color: #000000;\">C\u00f3 nhi\u1ec1u c\u1ed5ng LAN (4-8) v\u00e0 th\u01b0\u1eddng c\u00f3 anten Wi-Fi \u0111\u1ec3 k\u1ebft n\u1ed1i kh\u00f4ng d\u00e2y nhi\u1ec1u thi\u1ebft b\u1ecb.<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #0D6EFD;\"><span style=\"color: #000000;\">Giao di\u1ec7n Wi-Fi<\/span><\/td>\n<td style=\"padding: 10px; border: 1px solid #0D6EFD;\"><span style=\"color: #000000;\">C\u00f3 th\u1ec3 c\u00f3, nh\u01b0ng modem c\u01a1 b\u1ea3n th\u01b0\u1eddng kh\u00f4ng ph\u00e1t Wi-Fi; modem combo m\u1edbi c\u00f3 th\u00eam Wi-Fi.<\/span><\/td>\n<td style=\"padding: 10px; border: 1px solid #0D6EFD;\"><span style=\"color: #000000;\">Ph\u00e1t s\u00f3ng Wi-Fi \u0111\u1ec3 k\u1ebft n\u1ed1i thi\u1ebft b\u1ecb kh\u00f4ng d\u00e2y \u0111\u1ebfn Internet v\u00e0 m\u1ea1ng n\u1ed9i b\u1ed9.<\/span><\/td>\n<\/tr>\n<tr style=\"background-color: #f4f9ff;\">\n<td style=\"padding: 10px; border: 1px solid #0D6EFD;\"><span style=\"color: #000000;\">B\u1ea3o m\u1eadt<\/span><\/td>\n<td style=\"padding: 10px; border: 1px solid #0D6EFD;\"><span style=\"color: #000000;\">Th\u01b0\u1eddng \u00edt ho\u1eb7c kh\u00f4ng c\u00f3 ch\u1ee9c n\u0103ng b\u1ea3o m\u1eadt m\u1ea1ng n\u1ed9i b\u1ed9.<\/span><\/td>\n<td style=\"padding: 10px; border: 1px solid #0D6EFD;\"><span style=\"color: #000000;\">C\u00f3 t\u00edch h\u1ee3p t\u01b0\u1eddng l\u1eeda, qu\u1ea3n l\u00fd truy c\u1eadp, ki\u1ec3m so\u00e1t ph\u1ee5 huynh, VPN\u2026<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px; border: 1px solid #0D6EFD;\"><span style=\"color: #000000;\">C\u00e1ch ho\u1ea1t \u0111\u1ed9ng<\/span><\/td>\n<td style=\"padding: 10px; border: 1px solid #0D6EFD;\"><span style=\"color: #000000;\">M\u00e3 h\u00f3a v\u00e0 gi\u1ea3i m\u00e3 t\u00edn hi\u1ec7u Internet do nh\u00e0 m\u1ea1ng cung c\u1ea5p.<\/span><\/td>\n<td style=\"padding: 10px; border: 1px solid #0D6EFD;\"><span style=\"color: #000000;\">Ph\u00e2n ph\u1ed1i v\u00e0 qu\u1ea3n l\u00fd l\u01b0u l\u01b0\u1ee3ng gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb trong m\u1ea1ng LAN\/Wi-Fi.<\/span><\/td>\n<\/tr>\n<tr style=\"background-color: #f4f9ff;\">\n<td style=\"padding: 10px; border: 1px solid #0D6EFD;\"><span style=\"color: #000000;\">K\u1ebft c\u1ea5u ph\u1ed5 bi\u1ebfn hi\u1ec7n nay<\/span><\/td>\n<td style=\"padding: 10px; border: 1px solid #0D6EFD;\"><span style=\"color: #000000;\">Thi\u1ebft b\u1ecb \u0111\u1ed9c l\u1eadp ho\u1eb7c t\u00edch h\u1ee3p trong Modem Router Wi-Fi (thi\u1ebft b\u1ecb k\u1ebft h\u1ee3p c\u1ea3 hai ch\u1ee9c n\u0103ng).<\/span><\/td>\n<td style=\"padding: 10px; border: 1px solid #0D6EFD;\"><span style=\"color: #000000;\">Thi\u1ebft b\u1ecb \u0111\u1ed9c l\u1eadp ho\u1eb7c k\u1ebft h\u1ee3p trong Modem Router Wi-Fi.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>Modem\u00a0<\/strong>l\u00e0 thi\u1ebft b\u1ecb c\u1ea7u n\u1ed1i tr\u1ef1c ti\u1ebfp t\u1eeb nh\u00e0 m\u1ea1ng, gi\u00fap b\u1ea1n truy c\u1eadp Internet, n\u00f3 gi\u1ea3i m\u00e3 v\u00e0 m\u00e3 h\u00f3a t\u00edn hi\u1ec7u m\u1ea1ng gi\u1eefa nh\u00e0 m\u1ea1ng v\u00e0 m\u1ea1ng n\u1ed9i b\u1ed9 c\u1ee7a b\u1ea1n v\u00e0 Modem c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed9c l\u1eadp \u0111\u1ec3 k\u1ebft n\u1ed1i 1 thi\u1ebft b\u1ecb (nh\u01b0 m\u00e1y t\u00ednh) v\u1edbi Internet.<\/p>\n<p><strong>Router\u00a0<\/strong>l\u00e0 thi\u1ebft b\u1ecb ph\u00e2n ph\u1ed1i m\u1ea1ng, k\u1ebft n\u1ed1i nhi\u1ec1u thi\u1ebft b\u1ecb trong m\u1ea1ng n\u1ed9i b\u1ed9 v\u00e0 chuy\u1ec3n ti\u1ebfp d\u1eef li\u1ec7u gi\u1eefa ch\u00fang, c\u0169ng nh\u01b0 ph\u00e2n ph\u1ed1i Internet t\u1eeb modem ra c\u00e1c thi\u1ebft b\u1ecb. Router kh\u00f4ng th\u1ec3 k\u1ebft n\u1ed1i Internet tr\u1ef1c ti\u1ebfp n\u1ebfu kh\u00f4ng c\u00f3 Modem.<\/p>\n<p>Hi\u1ec7n nay, \u0111\u1ec3 ti\u1ec7n l\u1ee3i, modem v\u00e0 router th\u01b0\u1eddng \u0111\u01b0\u1ee3c t\u00edch h\u1ee3p th\u00e0nh m\u1ed9t thi\u1ebft b\u1ecb g\u1ecdi l\u00e0 Modem Router Wi-Fi, ph\u1ee5c v\u1ee5 \u0111\u1ed3ng th\u1eddi k\u1ebft n\u1ed1i v\u1edbi nh\u00e0 m\u1ea1ng v\u00e0 ph\u00e2n ph\u1ed1i m\u1ea1ng kh\u00f4ng d\u00e2y, ph\u1ed5 bi\u1ebfn trong c\u00e1c h\u1ed9 gia \u0111\u00ecnh.<\/p>\n<figure id=\"attachment_31832\" aria-describedby=\"caption-attachment-31832\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-31832\" src=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/07\/So-sanh-Router-vs-Modem.jpg\" alt=\"So s\u00e1nh Router vs Modem\" width=\"800\" height=\"500\" title=\"\" srcset=\"https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/07\/So-sanh-Router-vs-Modem.jpg 800w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/07\/So-sanh-Router-vs-Modem-300x188.jpg 300w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/07\/So-sanh-Router-vs-Modem-768x480.jpg 768w, https:\/\/interdata.vn\/blog\/wp-content\/uploads\/2025\/07\/So-sanh-Router-vs-Modem-750x469.jpg 750w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-31832\" class=\"wp-caption-text\">So s\u00e1nh Router vs Modem<\/figcaption><\/figure>\n<p>&nbsp;<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Tieu-chi-chon-mua-router-phu-hop-voi-nhu-cau\"><\/span>Ti\u00eau ch\u00ed ch\u1ecdn mua router ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ec3 ch\u1ecdn \u0111\u01b0\u1ee3c router \u01b0ng \u00fd, b\u1ea1n c\u1ea7n xem x\u00e9t nhi\u1ec1u y\u1ebfu t\u1ed1 \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o thi\u1ebft b\u1ecb \u0111\u00e1p \u1ee9ng \u0111\u00fang nhu c\u1ea7u s\u1eed d\u1ee5ng c\u1ee7a m\u00ecnh, B\u1ea1n n\u00ean xem x\u00e9t c\u00e1c ti\u00eau ch\u00ed sau:<\/p>\n<ul>\n<li><strong>X\u00e1c \u0111\u1ecbnh nhu c\u1ea7u s\u1eed d\u1ee5ng<\/strong>: C\u1ea7n bi\u1ebft b\u1ea1n mua router \u0111\u1ec3 ph\u1ee5c v\u1ee5 cho gia \u0111\u00ecnh, v\u0103n ph\u00f2ng hay n\u01a1i c\u00f4ng c\u1ed9ng nh\u01b0 qu\u00e1n cafe, s\u1ed1 l\u01b0\u1ee3ng thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i v\u00e0 m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng (l\u01b0\u1edbt web, xem phim 4K, ch\u01a1i game online, h\u1ed9i h\u1ecdp tr\u1ef1c tuy\u1ebfn&#8230;) \u0111\u1ec3 ch\u1ecdn \u0111\u01b0\u1ee3c router c\u00f3 t\u1ed1c \u0111\u1ed9 v\u00e0 t\u00ednh n\u0103ng ph\u00f9 h\u1ee3p.<\/li>\n<li><strong>T\u1ed1c \u0111\u1ed9 v\u00e0 chu\u1ea9n Wi-Fi<\/strong>: Router c\u00f3 t\u1ed1c \u0111\u1ed9 c\u00e0ng cao th\u00ec kh\u1ea3 n\u0103ng x\u1eed l\u00fd d\u1eef li\u1ec7u c\u00e0ng t\u1ed1t, ph\u00f9 h\u1ee3p v\u1edbi s\u1ed1 l\u01b0\u1ee3ng thi\u1ebft b\u1ecb l\u1edbn v\u00e0 nhu c\u1ea7u cao. V\u00ed d\u1ee5, gia \u0111\u00ecnh nh\u1ecf 3-5 thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 d\u00f9ng router kho\u1ea3ng 300 Mbps, c\u00f2n v\u0103n ph\u00f2ng hay n\u01a1i \u0111\u00f4ng ng\u01b0\u1eddi n\u00ean ch\u1ecdn router t\u1ed1c \u0111\u1ed9 867 Mbps tr\u1edf l\u00ean ho\u1eb7c cao h\u01a1n.<\/li>\n<li><strong>B\u0103ng t\u1ea7n v\u00e0 s\u1ed1 l\u01b0\u1ee3ng b\u0103ng t\u1ea7n<\/strong>: Router c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 b\u0103ng t\u1ea7n 2.4 GHz (ph\u1ed5 bi\u1ebfn, kho\u1ea3ng c\u00e1ch xa nh\u01b0ng d\u1ec5 nhi\u1ec5u) ho\u1eb7c b\u0103ng t\u1ea7n 5 GHz (\u00edt nhi\u1ec5u, t\u1ed1c \u0111\u1ed9 cao nh\u01b0ng ph\u1ea1m vi ph\u1ee7 s\u00f3ng ng\u1eafn h\u01a1n). Router b\u0103ng t\u1ea7n k\u00e9p (2.4 GHz + 5 GHz) s\u1ebd gi\u00fap s\u00f3ng wifi \u1ed5n \u0111\u1ecbnh, ph\u00f9 h\u1ee3p s\u1eed d\u1ee5ng l\u00e2u d\u00e0i.<\/li>\n<li><strong>Ph\u1ea1m vi ph\u1ee7 s\u00f3ng<\/strong>: Di\u1ec7n t\u00edch nh\u00e0 ho\u1eb7c v\u0103n ph\u00f2ng quy\u1ebft \u0111\u1ecbnh b\u1ea1n c\u1ea7n router c\u00f3 kh\u1ea3 n\u0103ng ph\u1ee7 s\u00f3ng r\u1ed9ng hay kh\u00f4ng. Nh\u1eefng n\u01a1i c\u00f3 di\u1ec7n t\u00edch l\u1edbn ho\u1eb7c nhi\u1ec1u t\u1ea7ng c\u1ea7n ch\u1ecdn router c\u00f3 anten m\u1ea1nh ho\u1eb7c h\u1ed7 tr\u1ee3 m\u1edf r\u1ed9ng s\u00f3ng.<\/li>\n<li><strong>S\u1ed1 c\u1ed5ng k\u1ebft n\u1ed1i v\u00e0 t\u00ednh n\u0103ng b\u1ea3o m\u1eadt<\/strong>: Ch\u1ecdn router c\u00f3 \u0111\u1ee7 c\u1ed5ng LAN, WAN cho nhu c\u1ea7u k\u1ebft n\u1ed1i c\u00f3 d\u00e2y. \u0110\u1ed3ng th\u1eddi, router c\u00f3 h\u1ed7 tr\u1ee3 c\u00e1c giao th\u1ee9c b\u1ea3o m\u1eadt WPA2, WPA3 v\u00e0 t\u00ednh n\u0103ng t\u01b0\u1eddng l\u1eeda gi\u00fap m\u1ea1ng an to\u00e0n.<\/li>\n<li><strong>Th\u01b0\u01a1ng hi\u1ec7u v\u00e0 \u0111\u1ed9 tin c\u1eady<\/strong>: \u01afu ti\u00ean c\u00e1c th\u01b0\u01a1ng hi\u1ec7u uy t\u00edn, c\u00f3 b\u1ea3o h\u00e0nh r\u00f5 r\u00e0ng nh\u01b0 TP-Link, Asus, D-Link \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 d\u1ecbch v\u1ee5 h\u1ed7 tr\u1ee3.<\/li>\n<li><strong>Ng\u00e2n s\u00e1ch<\/strong>: Ch\u1ecdn router ph\u00f9 h\u1ee3p kh\u1ea3 n\u0103ng t\u00e0i ch\u00ednh nh\u01b0ng c\u0169ng n\u00ean \u0111\u1ea7u t\u01b0 thi\u1ebft b\u1ecb ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t \u0111\u1ec3 tr\u00e1nh l\u1ed7i k\u1ef9 thu\u1eadt v\u00e0 chi ph\u00ed ph\u00e1t sinh sau n\u00e0y.<\/li>\n<\/ul>\n<p>\u0110\u1ec3 ch\u1ecdn b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn router ph\u00f9 h\u1ee3p, tr\u01b0\u1edbc h\u1ebft b\u1ea1n c\u1ea7n x\u00e1c \u0111\u1ecbnh \u0111\u00fang m\u1ee5c \u0111\u00edch v\u00e0 quy m\u00f4 s\u1eed d\u1ee5ng, sau \u0111\u00f3 ch\u1ecdn router c\u00f3 t\u1ed1c \u0111\u1ed9, b\u0103ng t\u1ea7n, ph\u1ea1m vi ph\u1ee7 s\u00f3ng v\u00e0 t\u00ednh n\u0103ng b\u1ea3o m\u1eadt th\u00edch h\u1ee3p, \u0111\u1ed3ng th\u1eddi \u01b0u ti\u00ean th\u01b0\u01a1ng hi\u1ec7u uy t\u00edn v\u00e0 gi\u00e1 c\u1ea3 h\u1ee3p l\u00fd.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cac-thuong-hieu-Router-Wi-Fi-uy-tin-tren-thi-truong\"><\/span>C\u00e1c th\u01b0\u01a1ng hi\u1ec7u Router Wi-Fi uy t\u00edn tr\u00ean th\u1ecb tr\u01b0\u1eddng<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Khi ch\u1ecdn mua router, vi\u1ec7c t\u00ecm hi\u1ec3u c\u00e1c th\u01b0\u01a1ng hi\u1ec7u uy t\u00edn l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ch\u1ea5t l\u01b0\u1ee3ng v\u00e0 d\u1ecbch v\u1ee5 h\u1eadu m\u00e3i. D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 th\u01b0\u01a1ng hi\u1ec7u n\u1ed5i b\u1eadt tr\u00ean th\u1ecb tr\u01b0\u1eddng hi\u1ec7n nay:<\/p>\n<p><strong>TP-Link:<\/strong><\/p>\n<p>\u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng nh\u00e0 s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb m\u1ea1ng Wifi h\u00e0ng \u0111\u1ea7u th\u1ebf gi\u1edbi, n\u1ed5i ti\u1ebfng v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m \u0111a d\u1ea1ng t\u1eeb ph\u00e2n kh\u00fac ph\u1ed5 th\u00f4ng \u0111\u1ebfn cao c\u1ea5p. TP-Link cung c\u1ea5p c\u00e1c router Wi-Fi gia \u0111\u00ecnh, router gaming, v\u00e0 h\u1ec7 th\u1ed1ng Mesh Wi-Fi (TP-Link Deco) v\u1edbi m\u1ee9c gi\u00e1 c\u1ea1nh tranh v\u00e0 hi\u1ec7u n\u0103ng \u1ed5n \u0111\u1ecbnh.<\/p>\n<p><strong>Asus:<\/strong><\/p>\n<p>Asus \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m c\u00f4ng ngh\u1ec7 ch\u1ea5t l\u01b0\u1ee3ng cao, \u0111\u1eb7c bi\u1ec7t l\u00e0 d\u00f2ng router gaming ROG (Republic of Gamers) n\u1ed5i ti\u1ebfng. Router Asus th\u01b0\u1eddng c\u00f3 hi\u1ec7u n\u0103ng m\u1ea1nh m\u1ebd, nhi\u1ec1u t\u00ednh n\u0103ng t\u00f9y ch\u1ec9nh n\u00e2ng cao, v\u00e0 ph\u1ea7n m\u1ec1m qu\u1ea3n l\u00fd tr\u1ef1c quan.<\/p>\n<p><strong>D-Link:<\/strong><\/p>\n<p>V\u1edbi l\u1ecbch s\u1eed l\u00e2u \u0111\u1eddi trong ng\u00e0nh m\u1ea1ng, D-Link cung c\u1ea5p nhi\u1ec1u gi\u1ea3i ph\u00e1p router t\u1eeb gia \u0111\u00ecnh \u0111\u1ebfn doanh nghi\u1ec7p. C\u00e1c s\u1ea3n ph\u1ea9m c\u1ee7a D-Link th\u01b0\u1eddng c\u00f3 \u0111\u1ed9 b\u1ec1n cao v\u00e0 \u0111\u00e1ng tin c\u1eady.<\/p>\n<p><strong>Netgear:<\/strong><\/p>\n<p>Netgear l\u00e0 th\u01b0\u01a1ng hi\u1ec7u cao c\u1ea5p v\u1edbi c\u00e1c d\u00f2ng router Nighthawk m\u1ea1nh m\u1ebd d\u00e0nh cho game th\u1ee7 v\u00e0 ng\u01b0\u1eddi d\u00f9ng y\u00eau c\u1ea7u hi\u1ec7u su\u1ea5t cao, c\u00f9ng v\u1edbi h\u1ec7 th\u1ed1ng Mesh Orbi \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 r\u1ea5t t\u1ed1t v\u1ec1 v\u00f9ng ph\u1ee7 s\u00f3ng v\u00e0 t\u1ed1c \u0111\u1ed9.<\/p>\n<p><strong>Linksys:<\/strong><\/p>\n<p>L\u00e0 m\u1ed9t trong nh\u1eefng nh\u00e0 ti\u00ean phong trong l\u0129nh v\u1ef1c m\u1ea1ng kh\u00f4ng d\u00e2y, Linksys cung c\u1ea5p c\u00e1c router \u1ed5n \u0111\u1ecbnh, d\u1ec5 s\u1eed d\u1ee5ng, ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u \u0111\u1ed1i t\u01b0\u1ee3ng ng\u01b0\u1eddi d\u00f9ng. D\u00f2ng Linksys Velop l\u00e0 m\u1ed9t l\u1ef1a ch\u1ecdn t\u1ed1t cho h\u1ec7 th\u1ed1ng Mesh.<\/p>\n<p><strong>DrayTek:<\/strong><\/p>\n<p>T\u1eadp trung v\u00e0o ph\u00e2n kh\u00fac router d\u00e0nh cho doanh nghi\u1ec7p v\u00e0 v\u0103n ph\u00f2ng nh\u1ecf, DrayTek n\u1ed5i ti\u1ebfng v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m c\u00f3 \u0111\u1ed9 b\u1ea3o m\u1eadt cao, nhi\u1ec1u t\u00ednh n\u0103ng chuy\u00ean nghi\u1ec7p nh\u01b0 VPN, qu\u1ea3n l\u00fd b\u0103ng th\u00f4ng n\u00e2ng cao, v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i t\u1ed1t.<\/p>\n<p>C\u00e1c th\u01b0\u01a1ng hi\u1ec7u n\u00e0y \u0111\u1ec1u c\u00f3 l\u1ecbch s\u1eed ph\u00e1t tri\u1ec3n l\u00e2u n\u0103m v\u00e0 \u0111\u01b0\u1ee3c ng\u01b0\u1eddi d\u00f9ng \u0111\u00e1nh gi\u00e1 cao v\u1ec1 ch\u1ea5t l\u01b0\u1ee3ng s\u1ea3n ph\u1ea9m c\u0169ng nh\u01b0 d\u1ecbch v\u1ee5 h\u1ed7 tr\u1ee3.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Cau-hoi-thuong-gap-ve-Router-FAQ\"><\/span>C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 Router (FAQ)<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>\u0110\u1ec3 gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn, <strong>InterData<\/strong> \u0111\u00e3 t\u1ed5ng h\u1ee3p m\u1ed9t s\u1ed1 c\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p:<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Router-co-can-Internet-de-hoat-dong-khong\"><\/span>Router c\u00f3 c\u1ea7n Internet \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>V\u1ec1 c\u01a1 b\u1ea3n router kh\u00f4ng c\u1ea7n internet \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng m\u00e0 ch\u1ec9 c\u1ea7n \u0111\u1ec3 chuy\u1ec3n ti\u1ebfp v\u00e0 qu\u1ea3n l\u00fd c\u00e1c thi\u1ebft b\u1ecb trong m\u1ea1ng LAN. Internet ch\u1ec9 c\u1ea7n \u0111\u1ec3 chia s\u1ebb ra b\u00ean ngo\u00e0i, router v\u1eabn c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng trong m\u1ea1ng n\u1ed9i b\u1ed9 d\u00f9 kh\u00f4ng c\u00f3 internet<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Router-co-gioi-han-so-luong-thiet-bi-ket-noi-khong\"><\/span>Router c\u00f3 gi\u1edbi h\u1ea1n s\u1ed1 l\u01b0\u1ee3ng thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>C\u00f3, m\u1ed7i router c\u00f3 m\u1ed9t gi\u1edbi h\u1ea1n v\u1ec1 s\u1ed1 l\u01b0\u1ee3ng thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i \u0111\u1ed3ng th\u1eddi v\u00e0 ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3. Gi\u1edbi h\u1ea1n n\u00e0y ph\u1ee5 thu\u1ed9c v\u00e0o b\u1ed9 x\u1eed l\u00fd, RAM v\u00e0 ph\u1ea7n m\u1ec1m c\u1ee7a router. Router Wi-Fi 5 th\u01b0\u1eddng h\u1ed7 tr\u1ee3 t\u1ed1t 10\u201330 thi\u1ebft b\u1ecb, trong khi Wi-Fi 6 c\u00f3 th\u1ec3 l\u00ean \u0111\u1ebfn 70 thi\u1ebft b\u1ecb ho\u1eb7c h\u01a1n t\u00f9y c\u1ea5u h\u00ecnh.<\/p>\n<p>N\u1ebfu v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n, hi\u1ec7u su\u1ea5t m\u1ea1ng s\u1ebd gi\u1ea3m \u0111\u00e1ng k\u1ec3, g\u00e2y lag v\u00e0 m\u1ea5t k\u1ebft n\u1ed1i.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Wi-Fi-6-co-thuc-su-nhanh-hon-Wi-Fi-5-khong\"><\/span>Wi-Fi 6 c\u00f3 th\u1ef1c s\u1ef1 nhanh h\u01a1n Wi-Fi 5 kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Wi-Fi 6 c\u00f3 th\u1ec3 nhanh h\u01a1n Wi-Fi 5 t\u1eeb 30%\u201350% t\u00f9y m\u00f4i tr\u01b0\u1eddng s\u1eed d\u1ee5ng v\u00e0 thi\u1ebft b\u1ecb h\u1ed7 tr\u1ee3. \u0110i\u1ec1u quan tr\u1ecdng h\u01a1n, Wi-Fi 6 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 h\u01a1n trong m\u00f4i tr\u01b0\u1eddng \u0111\u00f4ng \u0111\u00fac, gi\u1ea3m \u0111\u1ed9 tr\u1ec5 v\u00e0 t\u0103ng kh\u1ea3 n\u0103ng x\u1eed l\u00fd nhi\u1ec1u thi\u1ebft b\u1ecb c\u00f9ng l\u00fac nh\u1edd c\u00f4ng ngh\u1ec7 OFDMA v\u00e0 MU-MIMO c\u1ea3i ti\u1ebfn.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Nen-dat-router-o-dau-de-co-song-tot-nhat\"><\/span>N\u00ean \u0111\u1eb7t router \u1edf \u0111\u00e2u \u0111\u1ec3 c\u00f3 s\u00f3ng t\u1ed1t nh\u1ea5t?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>B\u1ea1n n\u00ean \u0111\u1eb7t router \u1edf v\u1ecb tr\u00ed trung t\u00e2m ng\u00f4i nh\u00e0, tr\u00ean cao (v\u00ed d\u1ee5: tr\u00ean k\u1ec7, t\u1ee7) v\u00e0 tr\u00e1nh xa c\u00e1c v\u1eadt c\u1ea3n l\u1edbn nh\u01b0 t\u01b0\u1eddng b\u00ea t\u00f4ng d\u00e0y, thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed kh\u00e1c (l\u00f2 vi s\u00f3ng, \u0111i\u1ec7n tho\u1ea1i kh\u00f4ng d\u00e2y) v\u00e0 ngu\u1ed3n n\u01b0\u1edbc (b\u1ec3 c\u00e1). M\u1ee5c ti\u00eau l\u00e0 gi\u1ea3m thi\u1ec3u v\u1eadt c\u1ea3n gi\u1eefa router v\u00e0 c\u00e1c thi\u1ebft b\u1ecb s\u1eed d\u1ee5ng Wi-Fi.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Lam-sao-de-biet-router-cua-toi-co-an-toan-khong\"><\/span>L\u00e0m sao \u0111\u1ec3 bi\u1ebft router c\u1ee7a t\u00f4i c\u00f3 an to\u00e0n kh\u00f4ng?<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Router c\u1ee7a b\u1ea1n an to\u00e0n n\u1ebfu: b\u1ea1n \u0111\u00e3 \u0111\u1ed5i m\u1eadt kh\u1ea9u m\u1eb7c \u0111\u1ecbnh c\u1ee7a router v\u00e0 Wi-Fi, s\u1eed d\u1ee5ng chu\u1ea9n b\u1ea3o m\u1eadt WPA2-PSK (AES) ho\u1eb7c WPA3-Personal, \u0111\u00e3 c\u1eadp nh\u1eadt firmware m\u1edbi nh\u1ea5t, v\u00e0 t\u1eaft c\u00e1c t\u00ednh n\u0103ng kh\u00f4ng c\u1ea7n thi\u1ebft nh\u01b0 WPS. Th\u01b0\u1eddng xuy\u00ean ki\u1ec3m tra c\u00e1c thi\u1ebft b\u1ecb \u0111ang k\u1ebft n\u1ed1i v\u00e0o m\u1ea1ng c\u1ee7a b\u1ea1n c\u0169ng l\u00e0 m\u1ed9t c\u00e1ch t\u1ed1t.<\/p>\n<p>Vi\u1ec7c l\u1ef1a ch\u1ecdn v\u00e0 s\u1eed d\u1ee5ng b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn Router hi\u1ec7u qu\u1ea3 l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u0111\u1ec3 c\u00f3 m\u1ed9t tr\u1ea3i nghi\u1ec7m Internet m\u01b0\u1ee3t m\u00e0 v\u00e0 an to\u00e0n. T\u1eeb vi\u1ec7c hi\u1ec3u r\u00f5 <strong>thi\u1ebft b\u1ecb<\/strong> <strong>Router l\u00e0 g\u00ec<\/strong>, c\u00e1c lo\u1ea1i Router kh\u00e1c nhau, cho \u0111\u1ebfn nh\u1eefng ti\u00eau ch\u00ed ch\u1ecdn mua, <a href=\"https:\/\/interdata.vn\/\"><strong>InterData<\/strong> <\/a>hy v\u1ecdng b\u00e0i vi\u1ebft n\u00e0y \u0111\u00e3 cung c\u1ea5p cho b\u1ea1n nh\u1eefng th\u00f4ng tin gi\u00e1 tr\u1ecb. M\u1ed9t Router ph\u00f9 h\u1ee3p kh\u00f4ng ch\u1ec9 gi\u00fap b\u1ea1n k\u1ebft n\u1ed1i m\u00e0 c\u00f2n n\u00e2ng cao ch\u1ea5t l\u01b0\u1ee3ng cu\u1ed9c s\u1ed1ng s\u1ed1 c\u1ee7a b\u1ea1n.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ng\u00e0y nay, Internet \u0111\u00e3 tr\u1edf th\u00e0nh \u201ch\u1ea1 t\u1ea7ng\u201d thi\u1ebft y\u1ebfu cho h\u1ecdc t\u1eadp, l\u00e0m vi\u1ec7c v\u00e0 gi\u1ea3i tr\u00ed. V\u00e0 \u0111\u1ec3 c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i Internet \u1ed5n \u0111\u1ecbnh, thi\u1ebft b\u1ecb \u0111\u00f3ng vai tr\u00f2 trung t\u00e2m ch\u00ednh l\u00e0 Router (b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn). V\u1eady Router l\u00e0 g\u00ec v\u00e0 t\u1ea1i sao n\u00f3 l\u1ea1i quan tr\u1ecdng \u0111\u1ebfn v\u1eady? Trong b\u00e0i<\/p>\n","protected":false},"author":11,"featured_media":31833,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[151],"tags":[],"class_list":["post-31826","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mang"],"_links":{"self":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/31826","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/comments?post=31826"}],"version-history":[{"count":10,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/31826\/revisions"}],"predecessor-version":[{"id":33162,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/posts\/31826\/revisions\/33162"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media\/31833"}],"wp:attachment":[{"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/media?parent=31826"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/categories?post=31826"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/interdata.vn\/blog\/wp-json\/wp\/v2\/tags?post=31826"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}