{"id":6391,"date":"2025-12-18T15:14:57","date_gmt":"2025-12-18T08:14:57","guid":{"rendered":"http:\/\/taingo.ddns.net\/tinhocnhatrang\/?p=6391"},"modified":"2025-12-18T15:14:57","modified_gmt":"2025-12-18T08:14:57","slug":"gioi-thieu-mang-lan-la-gi-va-cach-thiet-lap-mang-lan-ngay-tai-nha-ai-cung-lam-duoc","status":"publish","type":"post","link":"http:\/\/taingo.ddns.net\/tinhocnhatrang\/gioi-thieu-mang-lan-la-gi-va-cach-thiet-lap-mang-lan-ngay-tai-nha-ai-cung-lam-duoc\/","title":{"rendered":"Gi\u1edbi thi\u1ec7u: M\u1ea1ng LAN l\u00e0 g\u00ec v\u00e0 C\u00e1ch thi\u1ebft l\u1eadp m\u1ea1ng Lan ngay t\u1ea1i nh\u00e0 ai c\u0169ng l\u00e0m \u0111\u01b0\u1ee3c."},"content":{"rendered":"

<\/h2>\n

M\u1ea1ng LAN (Local Area Network<\/strong>) l\u00e0 m\u1ea1ng n\u1ed9i b\u1ed9 d\u00f9ng \u0111\u1ec3 k\u1ebft n\u1ed1i c\u00e1c m\u00e1y t\u00ednh v\u00e0 thi\u1ebft b\u1ecb<\/strong> trong ph\u1ea1m vi nh\u1ecf nh\u01b0 nh\u00e0 \u1edf, v\u0103n ph\u00f2ng, tr\u01b0\u1eddng h\u1ecdc<\/strong>. Vi\u1ec7c thi\u1ebft l\u1eadp m\u1ea1ng LAN gi\u00fap chia s\u1ebb d\u1eef li\u1ec7u, m\u00e1y in v\u00e0 k\u1ebft n\u1ed1i Internet hi\u1ec7u qu\u1ea3 h\u01a1n<\/strong>.\"\"<\/p>\n

T\u00f3m t\u1eaft:<\/strong> M\u1ea1ng LAN gi\u00fap c\u00e1c thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i v\u00e0 l\u00e0m vi\u1ec7c chung<\/strong> trong c\u00f9ng m\u1ed9t h\u1ec7 th\u1ed1ng.<\/p>\n

\n

1. Chu\u1ea9n b\u1ecb tr\u01b0\u1edbc khi thi\u1ebft l\u1eadp m\u1ea1ng LAN<\/strong><\/h2>\n

Tr\u01b0\u1edbc khi b\u1eaft \u0111\u1ea7u, b\u1ea1n c\u1ea7n chu\u1ea9n b\u1ecb \u0111\u1ea7y \u0111\u1ee7 thi\u1ebft b\u1ecb v\u00e0 k\u1ebf ho\u1ea1ch k\u1ebft n\u1ed1i<\/strong>.<\/p>\n

Thi\u1ebft b\u1ecb c\u1ea7n c\u00f3:<\/strong><\/p>\n

    \n
  • \n

    M\u00e1y t\u00ednh \/ Laptop<\/strong> (t\u1ed1i thi\u1ec3u 2 m\u00e1y)<\/p>\n<\/li>\n

  • \n

    Router ho\u1eb7c Switch<\/strong><\/p>\n<\/li>\n

  • \n

    D\u00e2y m\u1ea1ng LAN (c\u00e1p Ethernet RJ45)<\/strong><\/p>\n<\/li>\n

  • \n

    Modem Internet<\/strong> (n\u1ebfu c\u1ea7n truy c\u1eadp Internet)<\/p>\n<\/li>\n<\/ul>\n

    \"\"<\/p>\n

    T\u00f3m t\u1eaft:<\/strong> Chu\u1ea9n b\u1ecb \u0111\u1ea7y \u0111\u1ee7 thi\u1ebft b\u1ecb gi\u00fap qu\u00e1 tr\u00ecnh thi\u1ebft l\u1eadp nhanh v\u00e0 \u00edt l\u1ed7i<\/strong>.<\/p>\n

    \n

    2. K\u1ebft n\u1ed1i ph\u1ea7n c\u1ee9ng m\u1ea1ng LAN<\/strong><\/h2>\n

    \u0110\u00e2y l\u00e0 b\u01b0\u1edbc quan tr\u1ecdng nh\u1ea5t<\/strong> trong qu\u00e1 tr\u00ecnh thi\u1ebft l\u1eadp.<\/p>\n

    C\u00e1c b\u01b0\u1edbc th\u1ef1c hi\u1ec7n:<\/strong><\/p>\n

      \n
    1. \n

      C\u1eafm d\u00e2y m\u1ea1ng t\u1eeb modem v\u00e0o router<\/strong> (c\u1ed5ng WAN).<\/span><\/p>\n<\/li>\n

    2. \n

      D\u00f9ng d\u00e2y LAN n\u1ed1i router\/switch v\u1edbi c\u00e1c m\u00e1y t\u00ednh<\/strong>.<\/span><\/p>\n<\/li>\n

    3. \n

      Ki\u1ec3m tra \u0111\u00e8n t\u00edn hi\u1ec7u tr\u00ean router v\u00e0 c\u1ed5ng m\u1ea1ng m\u00e1y t\u00ednh.<\/span><\/p>\n<\/li>\n<\/ol>\n

      \"\"<\/p>\n

      T\u00f3m t\u1eaft:<\/strong> K\u1ebft n\u1ed1i \u0111\u00fang ph\u1ea7n c\u1ee9ng gi\u00fap m\u1ea1ng LAN ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh<\/strong>.<\/p>\n

      \n

      3. Thi\u1ebft l\u1eadp \u0111\u1ecba ch\u1ec9 IP cho m\u00e1y t\u00ednh<\/strong><\/h2>\n

      M\u00e1y t\u00ednh trong m\u1ea1ng LAN c\u1ea7n c\u00f3 \u0111\u1ecba ch\u1ec9 IP<\/strong> \u0111\u1ec3 giao ti\u1ebfp v\u1edbi nhau.<\/p>\n

      C\u00e1ch thi\u1ebft l\u1eadp ph\u1ed5 bi\u1ebfn:<\/strong><\/p>\n

        \n
      • \n

        T\u1ef1 \u0111\u1ed9ng (khuy\u1ebfn ngh\u1ecb):<\/strong><\/p>\n

          \n
        • \n

          Ch\u1ecdn \u201cT\u1ef1 \u0111\u1ed9ng nh\u1eadn IP (DHCP)\u201d trong c\u00e0i \u0111\u1eb7t m\u1ea1ng.<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n

        • \n

          Th\u1ee7 c\u00f4ng:<\/strong><\/p>\n

            \n
          • \n

            IP v\u00ed d\u1ee5: 192.168.1.10<\/code><\/p>\n<\/li>\n

          • \n

            Subnet Mask: 255.255.255.0<\/code><\/p>\n<\/li>\n

          • \n

            Gateway: 192.168.1.1<\/code><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n

            \"\"<\/p>\n

            T\u00f3m t\u1eaft:<\/strong> Thi\u1ebft l\u1eadp IP \u0111\u00fang gi\u00fap c\u00e1c m\u00e1y nh\u1eadn di\u1ec7n v\u00e0 k\u1ebft n\u1ed1i v\u1edbi nhau<\/strong>.<\/p>\n

            \n

            4. Ki\u1ec3m tra k\u1ebft n\u1ed1i m\u1ea1ng LAN<\/strong><\/h2>\n

            Sau khi thi\u1ebft l\u1eadp, c\u1ea7n ki\u1ec3m tra \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o m\u1ea1ng ho\u1ea1t \u0111\u1ed9ng b\u00ecnh th\u01b0\u1eddng.<\/p>\n

            C\u00e1ch ki\u1ec3m tra:<\/strong><\/p>\n

              \n
            • \n

              D\u00f9ng l\u1ec7nh ping<\/strong> \u0111\u1ec3 ki\u1ec3m tra k\u1ebft n\u1ed1i gi\u1eefa c\u00e1c m\u00e1y.<\/span><\/p>\n<\/li>\n

            • \n

              Th\u1eed chia s\u1ebb th\u01b0 m\u1ee5c<\/strong> ho\u1eb7c truy c\u1eadp m\u00e1y kh\u00e1c trong m\u1ea1ng<\/strong>.<\/span><\/p>\n<\/li>\n<\/ul>\n

              \"\"<\/p>\n

              T\u00f3m t\u1eaft:<\/strong> Ki\u1ec3m tra gi\u00fap ph\u00e1t hi\u1ec7n s\u1edbm l\u1ed7i k\u1ebft n\u1ed1i<\/strong> v\u00e0 x\u1eed l\u00fd k\u1ecbp th\u1eddi.<\/p>\n

              \n

              5. Chia s\u1ebb t\u00e0i nguy\u00ean trong m\u1ea1ng LAN<\/strong><\/h2>\n

              M\u1ed9t l\u1ee3i \u00edch l\u1edbn c\u1ee7a m\u1ea1ng LAN l\u00e0 chia s\u1ebb t\u00e0i nguy\u00ean<\/strong>.<\/p>\n

              C\u00e1c t\u00e0i nguy\u00ean th\u01b0\u1eddng chia s\u1ebb:<\/strong><\/p>\n

                \n
              • \n

                Th\u01b0 m\u1ee5c v\u00e0 t\u1eadp tin<\/strong><\/p>\n<\/li>\n

              • \n

                M\u00e1y in<\/strong><\/p>\n<\/li>\n

              • \n

                K\u1ebft n\u1ed1i Internet<\/strong><\/p>\n<\/li>\n<\/ul>\n

                \"\"<\/p>\n

                T\u00f3m t\u1eaft:<\/strong> Chia s\u1ebb t\u00e0i nguy\u00ean gi\u00fap ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 chi ph\u00ed<\/strong>.<\/p>\n

                \n

                6. M\u1ed9t s\u1ed1 l\u01b0u \u00fd khi thi\u1ebft l\u1eadp m\u1ea1ng LAN<\/strong><\/h2>\n

                \u0110\u1ec3 m\u1ea1ng ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 v\u00e0 an to\u00e0n, b\u1ea1n n\u00ean ch\u00fa \u00fd:<\/p>\n

                  \n
                • \n

                  \u0110\u1eb7t m\u1eadt kh\u1ea9u cho router<\/strong> \u0111\u1ec3 tr\u00e1nh truy c\u1eadp tr\u00e1i ph\u00e9p.<\/span><\/p>\n<\/li>\n

                • \n

                  S\u1eed d\u1ee5ng d\u00e2y m\u1ea1ng ch\u1ea5t l\u01b0\u1ee3ng t\u1ed1t<\/strong>.<\/span><\/p>\n<\/li>\n

                • \n

                  Ki\u1ec3m tra v\u00e0 c\u1eadp nh\u1eadt firmware router<\/strong> \u0111\u1ecbnh k\u1ef3.\"\"<\/span><\/p>\n<\/li>\n<\/ul>\n

                  T\u00f3m t\u1eaft:<\/strong> B\u1ea3o m\u1eadt v\u00e0 b\u1ea3o tr\u00ec gi\u00fap m\u1ea1ng LAN\u00a0\u1ed5n \u0111\u1ecbnh v\u00e0 an to\u00e0n l\u00e2u <\/strong>d\u00e0i<\/strong>.<\/p>\n

                  \n

                  K\u1ebft lu\u1eadn<\/strong><\/h2>\n

                  Thi\u1ebft l\u1eadp m\u1ea1ng LAN kh\u00f4ng qu\u00e1 ph\u1ee9c t\u1ea1p n\u1ebfu b\u1ea1n th\u1ef1c hi\u1ec7n \u0111\u00fang c\u00e1c b\u01b0\u1edbc: chu\u1ea9n b\u1ecb thi\u1ebft b\u1ecb \u2013 k\u1ebft n\u1ed1i ph\u1ea7n c\u1ee9ng \u2013 c\u1ea5u h\u00ecnh IP \u2013 ki\u1ec3m tra v\u00e0 chia s\u1ebb t\u00e0i nguy\u00ean<\/strong>. V\u1edbi m\u1ea1ng LAN \u1ed5n \u0111\u1ecbnh, c\u00f4ng vi\u1ec7c v\u00e0 h\u1ecdc t\u1eadp s\u1ebd hi\u1ec7u qu\u1ea3 h\u01a1n r\u1ea5t nhi\u1ec1u<\/strong>.<\/span><\/p>\n

                  \"\"<\/p>\n

                  \n

                  T\u00f3m t\u1eaft cu\u1ed1i c\u00f9ng:<\/strong> N\u1eafm v\u1eefng c\u00e1ch thi\u1ebft l\u1eadp m\u1ea1ng LAN gi\u00fap b\u1ea1n ch\u1ee7 \u0111\u1ed9ng x\u00e2y d\u1ef1ng v\u00e0 qu\u1ea3n l\u00fd h\u1ec7 th\u1ed1ng m\u1ea1ng c\u1ee7a m\u00ecnh<\/strong>.<\/p>\n","protected":false},"excerpt":{"rendered":"

                  M\u1ea1ng LAN (Local Area Network) l\u00e0 m\u1ea1ng n\u1ed9i b\u1ed9 d\u00f9ng \u0111\u1ec3 k\u1ebft n\u1ed1i c\u00e1c m\u00e1y t\u00ednh v\u00e0 thi\u1ebft b\u1ecb trong<\/p>\n","protected":false},"author":2,"featured_media":6475,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-json\/wp\/v2\/posts\/6391"}],"collection":[{"href":"http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-json\/wp\/v2\/comments?post=6391"}],"version-history":[{"count":2,"href":"http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-json\/wp\/v2\/posts\/6391\/revisions"}],"predecessor-version":[{"id":6477,"href":"http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-json\/wp\/v2\/posts\/6391\/revisions\/6477"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-json\/wp\/v2\/media\/6475"}],"wp:attachment":[{"href":"http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-json\/wp\/v2\/media?parent=6391"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-json\/wp\/v2\/categories?post=6391"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/taingo.ddns.net\/tinhocnhatrang\/wp-json\/wp\/v2\/tags?post=6391"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}