{"id":398787,"date":"2024-10-23T10:19:16","date_gmt":"2024-10-23T03:19:16","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=398787"},"modified":"2024-10-23T10:19:16","modified_gmt":"2024-10-23T03:19:16","slug":"mac-la-gi","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/mac-la-gi\/","title":{"rendered":"\u0110\u1ecba ch\u1ec9 MAC l\u00e0 g\u00ec? C\u00e1ch ki\u1ec3m tra, ph\u00e2n lo\u1ea1i v\u00e0 t\u00ednh \u1ee9ng d\u1ee5ng"},"content":{"rendered":"<p>Trong th\u1ebf gi\u1edbi c\u00f4ng ngh\u1ec7 hi\u1ec7n \u0111\u1ea1i, m\u1ea1ng m\u00e1y t\u00ednh \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c k\u1ebft n\u1ed1i c\u00e1c thi\u1ebft b\u1ecb v\u1edbi nhau. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u1ed7i thi\u1ebft b\u1ecb tr\u00ean m\u1ea1ng \u0111\u1ec1u c\u00f3 th\u1ec3 nh\u1eadn di\u1ec7n v\u00e0 trao \u0111\u1ed5i th\u00f4ng tin ch\u00ednh x\u00e1c, \u0111\u1ecba ch\u1ec9 MAC (Media Access Control) ra \u0111\u1eddi nh\u01b0 m\u1ed9t m\u00e3 \u0111\u1ecbnh danh duy nh\u1ea5t. V\u1eady \u0111\u1ecba ch\u1ec9 MAC l\u00e0 g\u00ec?<\/p>\n<p>Hi\u1ec3u v\u1ec1 MAC l\u00e0 g\u00ec s\u1ebd gi\u00fap b\u1ea1n qu\u1ea3n l\u00fd m\u1ea1ng hi\u1ec7u qu\u1ea3 h\u01a1n, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c h\u1ec7 th\u1ed1ng l\u1edbn nh\u01b0 doanh nghi\u1ec7p, tr\u01b0\u1eddng h\u1ecdc, ho\u1eb7c th\u1eadm ch\u00ed t\u1ea1i nh\u00e0 ri\u00eang khi b\u1ea1n mu\u1ed1n ki\u1ec3m so\u00e1t vi\u1ec7c truy c\u1eadp c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb v\u00e0o m\u1ea1ng Wi-Fi. Trong b\u00e0i vi\u1ebft n\u00e0y, ch\u00fang ta s\u1ebd c\u00f9ng kh\u00e1m ph\u00e1 chi ti\u1ebft c\u00e1ch ki\u1ec3m tra \u0111\u1ecba ch\u1ec9 MAC tr\u00ean nhi\u1ec1u thi\u1ebft b\u1ecb kh\u00e1c nhau v\u00e0 t\u00ednh \u1ee9ng d\u1ee5ng c\u1ee7a n\u00f3.<\/p>\n<h2>\u0110\u1ecba ch\u1ec9 MAC l\u00e0 g\u00ec?<\/h2>\n<p>MAC \u0111\u01b0\u1ee3c vi\u1ebft t\u1eaft l\u00e0 Media Access Control, \u0111\u00e2y l\u00e0 m\u1ed9t m\u00e3 \u0111\u1ecbnh danh duy nh\u1ea5t \u0111\u01b0\u1ee3c g\u00e1n cho m\u1ed7i thi\u1ebft b\u1ecb m\u1ea1ng khi n\u00f3 \u0111\u01b0\u1ee3c s\u1ea3n xu\u1ea5t. \u0110\u1ecba ch\u1ec9 MAC gi\u00fap x\u00e1c \u0111\u1ecbnh thi\u1ebft b\u1ecb trong qu\u00e1 tr\u00ecnh trao \u0111\u1ed5i d\u1eef li\u1ec7u qua m\u1ea1ng, \u0111\u1ea3m b\u1ea3o m\u1ed7i thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 nh\u1eadn di\u1ec7n ch\u00ednh x\u00e1c trong h\u1ec7 th\u1ed1ng m\u1ea1ng c\u1ee5c b\u1ed9 (LAN) ho\u1eb7c c\u00e1c m\u1ea1ng kh\u00e1c.<\/p>\n<p>Kh\u00e1c v\u1edbi \u0111\u1ecba ch\u1ec9 IP, v\u1ed1n c\u00f3 th\u1ec3 thay \u0111\u1ed5i d\u1ef1a tr\u00ean m\u1ea1ng m\u00e0 b\u1ea1n k\u1ebft n\u1ed1i, \u0111\u1ecba ch\u1ec9 MAC l\u00e0 duy nh\u1ea5t v\u00e0 c\u1ed1 \u0111\u1ecbnh cho t\u1eebng thi\u1ebft b\u1ecb. V\u00ec v\u1eady, \u0111\u00e2y l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng trong vi\u1ec7c qu\u1ea3n l\u00fd v\u00e0 b\u1ea3o m\u1eadt m\u1ea1ng, v\u00ec c\u00e1c qu\u1ea3n tr\u1ecb vi\u00ean m\u1ea1ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u1ecba ch\u1ec9 MAC \u0111\u1ec3 cho ph\u00e9p ho\u1eb7c ch\u1eb7n truy c\u1eadp c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb.<\/p>\n<p>\u0110\u1ecba ch\u1ec9 MAC l\u00e0 m\u1ed9t d\u00e3y k\u00fd t\u1ef1 bao g\u1ed3m 12 ch\u1eef s\u1ed1 th\u1eadp l\u1ee5c ph\u00e2n (hexadecimal) th\u01b0\u1eddng \u0111\u01b0\u1ee3c vi\u1ebft d\u01b0\u1edbi d\u1ea1ng 6 c\u1eb7p k\u00fd t\u1ef1 ph\u00e2n t\u00e1ch b\u1edfi d\u1ea5u hai ch\u1ea5m (:) ho\u1eb7c d\u1ea5u g\u1ea1ch ngang (-). M\u1ed7i c\u1eb7p \u0111\u1ea1i di\u1ec7n cho m\u1ed9t byte, v\u00e0 to\u00e0n b\u1ed9 \u0111\u1ecba ch\u1ec9 MAC c\u00f3 t\u1ed5ng c\u1ed9ng 48 bit (6 byte). V\u00ed d\u1ee5, \u0111\u1ecba ch\u1ec9 MAC c\u00f3 th\u1ec3 tr\u00f4ng nh\u01b0 th\u1ebf n\u00e0y: 00:1A:2B:3C:4D:5E.<\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/10\/mac-la-gi-9.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/10\/mac-la-gi-9-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/10\/mac-la-gi-9-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-full wp-image-400211 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/10\/mac-la-gi-9.jpg\" alt=\"mac-la-gi-9\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/10\/mac-la-gi-9.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/10\/mac-la-gi-9-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/10\/mac-la-gi-9-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h2>C\u1ea5u tr\u00fac c\u1ee7a \u0111\u1ecba ch\u1ec9 MAC l\u00e0 g\u00ec?<\/h2>\n<p>C\u1ea5u tr\u00fac c\u1ee7a MAC \u0111\u01b0\u1ee3c chia th\u00e0nh hai ph\u1ea7n nh\u01b0 sau:<\/p>\n<ul>\n<li>OUI (Organizationally Unique Identifier): G\u1ed3m 24 bit \u0111\u1ea7u ti\u00ean, ph\u1ea7n n\u00e0y \u0111\u01b0\u1ee3c c\u1ea5p b\u1edfi t\u1ed5 ch\u1ee9c qu\u1ea3n l\u00fd \u0111\u1ecba ch\u1ec9 MAC v\u00e0 x\u00e1c \u0111\u1ecbnh nh\u00e0 s\u1ea3n xu\u1ea5t c\u1ee7a thi\u1ebft b\u1ecb.<\/li>\n<li>NIC (Network Interface Controller): G\u1ed3m 24 bit c\u00f2n l\u1ea1i, ph\u1ea7n n\u00e0y \u0111\u01b0\u1ee3c g\u00e1n duy nh\u1ea5t b\u1edfi nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh t\u1eebng thi\u1ebft b\u1ecb c\u1ee5 th\u1ec3.<\/li>\n<\/ul>\n<p>V\u1edbi c\u1ea5u tr\u00fac n\u00e0y, \u0111\u1ecba ch\u1ec9 MAC gi\u00fap \u0111\u1ea3m b\u1ea3o r\u1eb1ng kh\u00f4ng c\u00f3 hai thi\u1ebft b\u1ecb m\u1ea1ng n\u00e0o c\u00f3 c\u00f9ng m\u1ed9t \u0111\u1ecba ch\u1ec9 MAC, h\u1ed7 tr\u1ee3 vi\u1ec7c qu\u1ea3n l\u00fd v\u00e0 ki\u1ec3m so\u00e1t m\u1ea1ng m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n<h2>Ph\u00e2n lo\u1ea1i \u0111\u1ecba ch\u1ec9 MAC<\/h2>\n<p>Trong qu\u00e1 tr\u00ecnh qu\u1ea3n l\u00fd m\u1ea1ng, \u0111\u1ecba ch\u1ec9 MAC c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i th\u00e0nh hai lo\u1ea1i ch\u00ednh: \u0111\u1ecba ch\u1ec9 MAC t\u0129nh v\u00e0 \u0111\u1ecba ch\u1ec9 MAC \u0111\u1ed9ng. Hi\u1ec3u r\u00f5 hai lo\u1ea1i \u0111\u1ecba ch\u1ec9 n\u00e0y s\u1ebd gi\u00fap ng\u01b0\u1eddi d\u00f9ng v\u00e0 qu\u1ea3n tr\u1ecb vi\u00ean m\u1ea1ng t\u1ed1i \u01b0u h\u00f3a vi\u1ec7c ki\u1ec3m so\u00e1t thi\u1ebft b\u1ecb v\u00e0 b\u1ea3o m\u1eadt h\u1ec7 th\u1ed1ng.<\/p>\n<h3>\u0110\u1ecba ch\u1ec9 MAC t\u0129nh (Static MAC Address)<\/h3>\n<p>\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ef1 \u1ed5n \u0111\u1ecbnh v\u00e0 an to\u00e0n cho h\u1ec7 th\u1ed1ng m\u1ea1ng, hi\u1ec3u r\u00f5 v\u1ec1 \u0111\u1ecba ch\u1ec9 MAC l\u00e0 g\u00ec l\u00e0 \u0111i\u1ec1u v\u00f4 c\u00f9ng quan tr\u1ecdng. \u0110\u1ecba ch\u1ec9 MAC t\u0129nh l\u00e0 \u0111\u1ecba ch\u1ec9 \u0111\u01b0\u1ee3c g\u00e1n c\u1ed1 \u0111\u1ecbnh cho thi\u1ebft b\u1ecb t\u1eeb khi s\u1ea3n xu\u1ea5t v\u00e0 kh\u00f4ng thay \u0111\u1ed5i trong su\u1ed1t v\u00f2ng \u0111\u1eddi s\u1eed d\u1ee5ng. M\u1ed7i thi\u1ebft b\u1ecb s\u1ebd c\u00f3 m\u1ed9t \u0111\u1ecba ch\u1ec9 MAC t\u0129nh duy nh\u1ea5t, gi\u00fap qu\u1ea3n tr\u1ecb vi\u00ean m\u1ea1ng d\u1ec5 d\u00e0ng nh\u1eadn di\u1ec7n v\u00e0 qu\u1ea3n l\u00fd c\u00e1c thi\u1ebft b\u1ecb trong h\u1ec7 th\u1ed1ng m\u1ea1ng. Vi\u1ec7c s\u1eed d\u1ee5ng \u0111\u1ecba ch\u1ec9 MAC t\u0129nh kh\u00f4ng ch\u1ec9 gi\u00fap \u0111\u1ea3m b\u1ea3o t\u00ednh b\u1ea3o m\u1eadt m\u00e0 c\u00f2n h\u1ed7 tr\u1ee3 vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t m\u1ea1ng.<\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/10\/mac-la-gi-3.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/10\/mac-la-gi-3-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/10\/mac-la-gi-3-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-400212 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/10\/mac-la-gi-3.jpg\" alt=\"mac-la-gi-3\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/10\/mac-la-gi-3.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/10\/mac-la-gi-3-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/10\/mac-la-gi-3-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p><strong>Vai tr\u00f2 c\u1ee7a \u0111\u1ecba ch\u1ec9 MAC t\u0129nh:<\/strong><\/p>\n<ul>\n<li>X\u00e1c \u0111\u1ecbnh thi\u1ebft b\u1ecb duy nh\u1ea5t trong m\u1ea1ng: \u0110\u1ecba ch\u1ec9 MAC t\u0129nh gi\u00fap nh\u1eadn di\u1ec7n ch\u00ednh x\u00e1c t\u1eebng thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i v\u00e0o m\u1ea1ng, gi\u1ea3m thi\u1ec3u s\u1ef1 nh\u1ea7m l\u1eabn.<\/li>\n<li>Ki\u1ec3m so\u00e1t truy c\u1eadp: Qu\u1ea3n tr\u1ecb vi\u00ean m\u1ea1ng c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u1ecba ch\u1ec9 MAC t\u0129nh \u0111\u1ec3 cho ph\u00e9p ho\u1eb7c ch\u1eb7n c\u00e1c thi\u1ebft b\u1ecb truy c\u1eadp v\u00e0o m\u1ea1ng, \u0111\u1ea3m b\u1ea3o t\u00ednh b\u1ea3o m\u1eadt.<\/li>\n<li>Qu\u1ea3n l\u00fd thi\u1ebft b\u1ecb l\u00e2u d\u00e0i: Do \u0111\u1ecba ch\u1ec9 kh\u00f4ng thay \u0111\u1ed5i, n\u00f3 r\u1ea5t h\u1eefu \u00edch trong c\u00e1c m\u1ea1ng y\u00eau c\u1ea7u qu\u1ea3n l\u00fd thi\u1ebft b\u1ecb d\u00e0i h\u1ea1n nh\u01b0 trong doanh nghi\u1ec7p ho\u1eb7c h\u1ec7 th\u1ed1ng m\u1ea1ng c\u1ee5c b\u1ed9.<\/li>\n<\/ul>\n<h3>\u0110\u1ecba ch\u1ec9 MAC \u0111\u1ed9ng (Dynamic MAC Address)<\/h3>\n<p>\u0110\u1ecba ch\u1ec9 MAC l\u00e0 g\u00ec? \u0110\u1ecba ch\u1ec9 MAC (Media Access Control) l\u00e0 m\u1ed9t m\u00e3 nh\u1eadn d\u1ea1ng duy nh\u1ea5t c\u1ee7a m\u1ed7i thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i v\u00e0o m\u1ea1ng, gi\u00fap ph\u00e2n bi\u1ec7t c\u00e1c thi\u1ebft b\u1ecb v\u1edbi nhau. Tuy nhi\u00ean, kh\u00f4ng ph\u1ea3i \u0111\u1ecba ch\u1ec9 MAC n\u00e0o c\u0169ng c\u1ed1 \u0111\u1ecbnh. \u0110\u1ecba ch\u1ec9 MAC \u0111\u1ed9ng l\u00e0 m\u1ed9t lo\u1ea1i \u0111\u1ecba ch\u1ec9 c\u00f3 th\u1ec3 thay \u0111\u1ed5i khi thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i l\u1ea1i v\u1edbi m\u1ea1ng. \u0110\u1ecba ch\u1ec9 MAC \u0111\u1ed9ng \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd t\u1ef1 \u0111\u1ed9ng b\u1edfi b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn ho\u1eb7c c\u00e1c thi\u1ebft b\u1ecb m\u1ea1ng kh\u00e1c, \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c thi\u1ebft b\u1ecb lu\u00f4n c\u00f3 m\u1ed9t m\u00e3 nh\u1eadn d\u1ea1ng ph\u00f9 h\u1ee3p v\u1edbi m\u1ea1ng m\u00e0 ch\u00fang k\u1ebft n\u1ed1i v\u00e0o.<\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/10\/mac-la-gi-12.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/10\/mac-la-gi-12-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/10\/mac-la-gi-12-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-400217 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/10\/mac-la-gi-12.jpg\" alt=\"mac-la-gi\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/10\/mac-la-gi-12.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/10\/mac-la-gi-12-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/10\/mac-la-gi-12-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p><strong>\u1ee8ng d\u1ee5ng c\u1ee7a \u0111\u1ecba ch\u1ec9 MAC \u0111\u1ed9ng:<\/strong><\/p>\n<ul>\n<li>T\u1ed1i \u01b0u h\u00f3a m\u1ea1ng l\u1edbn: Trong c\u00e1c h\u1ec7 th\u1ed1ng m\u1ea1ng l\u1edbn, n\u01a1i s\u1ed1 l\u01b0\u1ee3ng thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i li\u00ean t\u1ee5c thay \u0111\u1ed5i, \u0111\u1ecba ch\u1ec9 MAC \u0111\u1ed9ng gi\u00fap gi\u1ea3m b\u1edbt vi\u1ec7c qu\u1ea3n l\u00fd th\u1ee7 c\u00f4ng c\u1ee7a qu\u1ea3n tr\u1ecb vi\u00ean m\u1ea1ng.<\/li>\n<li>Qu\u1ea3n l\u00fd truy c\u1eadp linh ho\u1ea1t: \u0110\u1ecba ch\u1ec9 MAC \u0111\u1ed9ng c\u00f3 th\u1ec3 thay \u0111\u1ed5i d\u1ef1a tr\u00ean nhu c\u1ea7u v\u00e0 tr\u1ea1ng th\u00e1i c\u1ee7a m\u1ea1ng, gi\u00fap m\u1ea1ng ho\u1ea1t \u0111\u1ed9ng linh ho\u1ea1t v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n.<\/li>\n<li>T\u0103ng c\u01b0\u1eddng b\u1ea3o m\u1eadt: \u0110\u1ecba ch\u1ec9 MAC \u0111\u1ed9ng kh\u00f3 b\u1ecb theo d\u00f5i v\u00e0 gi\u1ea3 m\u1ea1o h\u01a1n, l\u00e0m t\u0103ng kh\u1ea3 n\u0103ng b\u1ea3o m\u1eadt cho c\u00e1c thi\u1ebft b\u1ecb.<\/li>\n<\/ul>\n<h3>S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa \u0111\u1ecba ch\u1ec9 MAC t\u0129nh v\u00e0 \u0111\u1ed9ng l\u00e0 g\u00ec?<\/h3>\n<p>\u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a \u0111\u1ecba ch\u1ec9 MAC t\u0129nh:<\/p>\n<ul>\n<li>\u0110\u01b0\u1ee3c g\u00e1n c\u1ed1 \u0111\u1ecbnh cho thi\u1ebft b\u1ecb v\u00e0 kh\u00f4ng thay \u0111\u1ed5i.<\/li>\n<li>D\u1ec5 d\u00e0ng qu\u1ea3n l\u00fd trong c\u00e1c m\u1ea1ng nh\u1ecf v\u00e0 m\u1ea1ng y\u00eau c\u1ea7u qu\u1ea3n l\u00fd thi\u1ebft b\u1ecb l\u00e2u d\u00e0i.<\/li>\n<li>S\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn trong c\u00e1c m\u00f4i tr\u01b0\u1eddng c\u1ea7n ki\u1ec3m so\u00e1t ch\u1eb7t ch\u1ebd v\u1ec1 b\u1ea3o m\u1eadt v\u00e0 truy c\u1eadp.<\/li>\n<\/ul>\n<p>\u0110\u1eb7c \u0111i\u1ec3m c\u1ee7a \u0111\u1ecba ch\u1ec9 MAC \u0111\u1ed9ng:<\/p>\n<ul>\n<li>C\u00f3 th\u1ec3 thay \u0111\u1ed5i m\u1ed7i l\u1ea7n thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i l\u1ea1i v\u1edbi m\u1ea1ng.<\/li>\n<li>Ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng m\u1ea1ng l\u1edbn v\u00e0 ph\u1ee9c t\u1ea1p, n\u01a1i c\u00f3 nhi\u1ec1u thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i li\u00ean t\u1ee5c.<\/li>\n<li>Cung c\u1ea5p t\u00ednh linh ho\u1ea1t trong vi\u1ec7c qu\u1ea3n l\u00fd thi\u1ebft b\u1ecb v\u00e0 gi\u00fap m\u1ea1ng ho\u1ea1t \u0111\u1ed9ng tr\u01a1n tru h\u01a1n.<\/li>\n<\/ul>\n<p><strong>So s\u00e1nh:<\/strong><\/p>\n<ul>\n<li>Qu\u1ea3n l\u00fd: \u0110\u1ecba ch\u1ec9 MAC t\u0129nh y\u00eau c\u1ea7u qu\u1ea3n l\u00fd th\u1ee7 c\u00f4ng, trong khi \u0111\u1ecba ch\u1ec9 MAC \u0111\u1ed9ng \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd t\u1ef1 \u0111\u1ed9ng b\u1edfi h\u1ec7 th\u1ed1ng.<\/li>\n<li>B\u1ea3o m\u1eadt: \u0110\u1ecba ch\u1ec9 MAC \u0111\u1ed9ng c\u00f3 th\u1ec3 cung c\u1ea5p th\u00eam m\u1ed9t l\u1edbp b\u1ea3o m\u1eadt v\u00ec n\u00f3 thay \u0111\u1ed5i th\u01b0\u1eddng xuy\u00ean, trong khi \u0111\u1ecba ch\u1ec9 MAC t\u0129nh c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng b\u1ecb theo d\u00f5i.<\/li>\n<li>T\u00ednh c\u1ed1 \u0111\u1ecbnh: \u0110\u1ecba ch\u1ec9 MAC t\u0129nh kh\u00f4ng thay \u0111\u1ed5i, th\u00edch h\u1ee3p cho c\u00e1c h\u1ec7 th\u1ed1ng y\u00eau c\u1ea7u t\u00ednh \u1ed5n \u0111\u1ecbnh, trong khi \u0111\u1ecba ch\u1ec9 MAC \u0111\u1ed9ng th\u00edch h\u1ee3p cho c\u00e1c h\u1ec7 th\u1ed1ng y\u00eau c\u1ea7u t\u00ednh linh ho\u1ea1t.<\/li>\n<\/ul>\n<h2>C\u00e1ch t\u00ecm \u0111\u1ecba ch\u1ec9 MAC tr\u00ean m\u00e1y t\u00ednh Windows chi ti\u1ebft<\/h2>\n<p>B\u1ea1n \u0111ang t\u00ecm hi\u1ec3u MAC l\u00e0 g\u00ec v\u00e0 mu\u1ed1n bi\u1ebft c\u00e1ch x\u00e1c \u0111\u1ecbnh \u0111\u1ecba ch\u1ec9 MAC l\u00e0 g\u00ec tr\u00ean m\u00e1y t\u00ednh Windows? H\u00e3y c\u00f9ng kh\u00e1m ph\u00e1 ph\u01b0\u01a1ng ph\u00e1p \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 t\u00ecm \u0111\u1ecba ch\u1ec9 MAC chi ti\u1ebft, gi\u00fap b\u1ea1n qu\u1ea3n l\u00fd k\u1ebft n\u1ed1i m\u1ea1ng d\u1ec5 d\u00e0ng v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n.<\/p>\n<h3>T\u00ecm \u0111\u1ecba ch\u1ec9 MAC b\u1eb1ng Settings<\/h3>\n<div>Ph\u01b0\u01a1ng ph\u00e1p n\u00e0y d\u1ec5 d\u00e0ng v\u00e0 tr\u1ef1c quan nh\u1ea5t \u0111\u1ec3 ki\u1ec3m tra \u0111\u1ecba ch\u1ec9 MAC tr\u00ean Windows 10 v\u00e0 11.<\/div>\n<p><strong>B\u01b0\u1edbc 1<\/strong>: Nh\u1ea5n v\u00e0o bi\u1ec3u t\u01b0\u1ee3ng Start (bi\u1ec3u t\u01b0\u1ee3ng c\u1eeda s\u1ed5 \u1edf g\u00f3c tr\u00e1i d\u01b0\u1edbi m\u00e0n h\u00ecnh), sau \u0111\u00f3 ch\u1ecdn Settings (C\u00e0i \u0111\u1eb7t). B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 nh\u1ea5n t\u1ed5 h\u1ee3p ph\u00edm Windows + I \u0111\u1ec3 m\u1edf nhanh Settings.<\/p>\n<p><strong>B\u01b0\u1edbc 2<\/strong>: Trong c\u1eeda s\u1ed5 Settings, ch\u1ecdn m\u1ee5c Network &amp; Internet.<\/p>\n<p><strong>B\u01b0\u1edbc 3<\/strong>: T\u00f9y thu\u1ed9c v\u00e0o c\u00e1ch b\u1ea1n k\u1ebft n\u1ed1i m\u1ea1ng, ch\u1ecdn WiFi n\u1ebfu b\u1ea1n \u0111ang d\u00f9ng k\u1ebft n\u1ed1i m\u1ea1ng kh\u00f4ng d\u00e2y, ho\u1eb7c Ethernet n\u1ebfu b\u1ea1n s\u1eed d\u1ee5ng m\u1ea1ng c\u00f3 d\u00e2y.<\/p>\n<p><strong>B\u01b0\u1edbc 4<\/strong>: Nh\u1ea5p v\u00e0o t\u00ean m\u1ea1ng b\u1ea1n \u0111ang k\u1ebft n\u1ed1i \u0111\u1ec3 m\u1edf c\u00e1c t\u00f9y ch\u1ecdn chi ti\u1ebft, sau \u0111\u00f3 nh\u1ea5p ti\u1ebfp v\u00e0o Hardware Properties (Thu\u1ed9c t\u00ednh ph\u1ea7n c\u1ee9ng).<\/p>\n<p><strong>B\u01b0\u1edbc 5<\/strong>: Trong c\u1eeda s\u1ed5 Hardware Properties, b\u1ea1n s\u1ebd th\u1ea5y <strong>Physical Address (MAC),<\/strong> \u0111\u00f3 ch\u00ednh l\u00e0 \u0111\u1ecba ch\u1ec9 MAC c\u1ee7a thi\u1ebft b\u1ecb.<\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/10\/mac-la-gi-8.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/10\/mac-la-gi-8-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/10\/mac-la-gi-8-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-400210 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/10\/mac-la-gi-8.jpg\" alt=\"mac-la-gi-8\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/10\/mac-la-gi-8.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/10\/mac-la-gi-8-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/10\/mac-la-gi-8-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h3>T\u00ecm \u0111\u1ecba ch\u1ec9 MAC b\u1eb1ng Control Panel<\/h3>\n<div>C\u00e1ch n\u00e0y ph\u1ed5 bi\u1ebfn v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c phi\u00ean b\u1ea3n Windows c\u0169 h\u01a1n nh\u01b0 Windows 7, 8 v\u00e0 10.<\/div>\n<p><strong>B\u01b0\u1edbc 1:<\/strong> Nh\u1ea5n Start, sau \u0111\u00f3 g\u00f5 &#8220;Control Panel&#8221; v\u00e0o \u00f4 t\u00ecm ki\u1ebfm v\u00e0 nh\u1ea5n Enter.<\/p>\n<p><strong>B\u01b0\u1edbc 2:<\/strong> Trong Control Panel, ch\u1ecdn m\u1ee5c Network and Internet.<\/p>\n<p><strong>B\u01b0\u1edbc 3<\/strong>: Nh\u1ea5p v\u00e0o Network and Sharing Center, sau \u0111\u00f3 \u1edf c\u1ed9t b\u00ean tr\u00e1i, ch\u1ecdn Change adapter settings.<\/p>\n<p><strong>B\u01b0\u1edbc 4:<\/strong> T\u1ea1i \u0111\u00e2y, b\u1ea1n s\u1ebd th\u1ea5y c\u00e1c k\u1ebft n\u1ed1i m\u1ea1ng \u0111ang ho\u1ea1t \u0111\u1ed9ng. Nh\u1ea5p chu\u1ed9t ph\u1ea3i v\u00e0o k\u1ebft n\u1ed1i m\u1ea1ng m\u00e0 b\u1ea1n mu\u1ed1n ki\u1ec3m tra (WiFi ho\u1eb7c Ethernet), sau \u0111\u00f3 ch\u1ecdn Status (Tr\u1ea1ng th\u00e1i).<\/p>\n<p><strong>B\u01b0\u1edbc 5<\/strong>: Trong c\u1eeda s\u1ed5 Status, nh\u1ea5p v\u00e0o n\u00fat Details (Chi ti\u1ebft).<\/p>\n<p><strong>B\u01b0\u1edbc 6:<\/strong> Trong c\u1eeda s\u1ed5 chi ti\u1ebft, t\u00ecm d\u00f2ng Physical Address. \u0110\u00f3 s\u1ebd l\u00e0 \u0111\u1ecba ch\u1ec9 MAC tr\u00ean thi\u1ebft b\u1ecb.<\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/10\/mac-la-gi-7.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/10\/mac-la-gi-7-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/10\/mac-la-gi-7-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-400209 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/10\/mac-la-gi-7.jpg\" alt=\"mac-la-gi-7\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/10\/mac-la-gi-7.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/10\/mac-la-gi-7-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/10\/mac-la-gi-7-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h3>T\u00ecm \u0111\u1ecba ch\u1ec9 MAC b\u1eb1ng Command Prompt (CMD)<\/h3>\n<div>C\u00e1ch n\u00e0y ph\u00f9 h\u1ee3p cho nh\u1eefng ng\u01b0\u1eddi s\u1eed d\u1ee5ng c\u00e1c l\u1ec7nh tr\u00ean Windows v\u00e0 y\u00eau th\u00edch c\u00e1ch ti\u1ebfp c\u1eadn tr\u1ef1c ti\u1ebfp. V\u1eady c\u00e1ch d\u00f9ng CMD \u0111\u1ec3 t\u00ecm \u0111\u1ecba ch\u1ec9 MAC l\u00e0 g\u00ec?<\/div>\n<p><strong>B\u01b0\u1edbc 1<\/strong>: Nh\u1ea5n Start, sau \u0111\u00f3 g\u00f5 CMD v\u00e0o thanh t\u00ecm ki\u1ebfm v\u00e0 nh\u1ea5n Enter \u0111\u1ec3 m\u1edf \u1ee9ng d\u1ee5ng Command Prompt.<\/p>\n<p><strong>B\u01b0\u1edbc 2:<\/strong> Trong c\u1eeda s\u1ed5 Command Prompt, nh\u1eadp l\u1ec7nh <strong>ipconfig \/all<\/strong> r\u1ed3i nh\u1ea5n Enter.<\/p>\n<p><strong>B\u01b0\u1edbc 3:<\/strong> C\u1eeda s\u1ed5 CMD s\u1ebd hi\u1ec3n th\u1ecb m\u1ed9t lo\u1ea1t th\u00f4ng tin chi ti\u1ebft v\u1ec1 k\u1ebft n\u1ed1i m\u1ea1ng c\u1ee7a b\u1ea1n. T\u00ecm d\u00f2ng c\u00f3 t\u00ean Physical Address d\u01b0\u1edbi m\u1ee5c card m\u1ea1ng m\u00e0 b\u1ea1n \u0111ang s\u1eed d\u1ee5ng.<\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/10\/mac-la-gi-6.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/10\/mac-la-gi-6-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/10\/mac-la-gi-6-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-400208 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/10\/mac-la-gi-6.jpg\" alt=\"mac-la-gi-6\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/10\/mac-la-gi-6.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/10\/mac-la-gi-6-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/10\/mac-la-gi-6-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h3>T\u00ecm \u0111\u1ecba ch\u1ec9 MAC b\u1eb1ng PowerShell<\/h3>\n<div>PowerShell l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd t\u01b0\u01a1ng t\u1ef1 nh\u01b0 Command Prompt, nh\u01b0ng cung c\u1ea5p nhi\u1ec1u l\u1ec7nh h\u01a1n.<\/div>\n<p><strong>B\u01b0\u1edbc 1:<\/strong> Nh\u1ea5n t\u1ed5 h\u1ee3p ph\u00edm Windows + X v\u00e0 ch\u1ecdn Windows PowerShell t\u1eeb menu xu\u1ea5t hi\u1ec7n.<\/p>\n<p><strong>B\u01b0\u1edbc 2:<\/strong> Trong c\u1eeda s\u1ed5 PowerShell, nh\u1eadp l\u1ec7nh <strong>Get-NetAdapter<\/strong> v\u00e0 nh\u1ea5n Enter.<\/p>\n<p><strong>B\u01b0\u1edbc 3:<\/strong> Danh s\u00e1ch c\u00e1c card m\u1ea1ng tr\u00ean m\u00e1y t\u00ednh c\u1ee7a b\u1ea1n s\u1ebd \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb, bao g\u1ed3m \u0111\u1ecba ch\u1ec9 MAC c\u1ee7a t\u1eebng card. \u0110\u1ecba ch\u1ec9 MAC s\u1ebd n\u1eb1m trong c\u1ed9t MACAddress.<\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/10\/mac-la-gi-1.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/10\/mac-la-gi-1-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/10\/mac-la-gi-1-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-400206 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/10\/mac-la-gi-1.jpg\" alt=\"mac-la-gi-\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/10\/mac-la-gi-1.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/10\/mac-la-gi-1-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/10\/mac-la-gi-1-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h3>T\u00ecm \u0111\u1ecba ch\u1ec9 MAC b\u1eb1ng System Information<\/h3>\n<p>System Information cung c\u1ea5p to\u00e0n b\u1ed9 th\u00f4ng tin h\u1ec7 th\u1ed1ng, bao g\u1ed3m th\u00f4ng tin v\u1ec1 ph\u1ea7n c\u1ee9ng v\u00e0 m\u1ea1ng c\u1ee7a m\u00e1y t\u00ednh.<\/p>\n<p><strong>B\u01b0\u1edbc 1:<\/strong> Nh\u1ea5n Start v\u00e0 t\u00ecm ki\u1ebfm System Information, sau \u0111\u00f3 nh\u1ea5n Enter \u0111\u1ec3 m\u1edf.<\/p>\n<p><strong>B\u01b0\u1edbc 2:<\/strong> Trong c\u1eeda s\u1ed5 System Information, \u0111i\u1ec1u h\u01b0\u1edbng \u0111\u1ebfn Components &gt; Network &gt; Adapter.<\/p>\n<p><strong>B\u01b0\u1edbc 3:<\/strong> B\u1ea1n s\u1ebd th\u1ea5y danh s\u00e1ch c\u00e1c thi\u1ebft b\u1ecb m\u1ea1ng. T\u00ecm \u0111\u1ebfn m\u1ee5c MAC Address trong danh s\u00e1ch \u0111\u1ec3 l\u1ea5y \u0111\u1ecba ch\u1ec9 MAC c\u1ee7a card m\u1ea1ng b\u1ea1n \u0111ang s\u1eed d\u1ee5ng.<\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/10\/mac-la-gi-4.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/10\/mac-la-gi-4-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/10\/mac-la-gi-4-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-400205 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/10\/mac-la-gi-4.jpg\" alt=\"mac-la-gi-4.\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/10\/mac-la-gi-4.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/10\/mac-la-gi-4-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/10\/mac-la-gi-4-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h2>C\u00e1ch t\u00ecm \u0111\u1ecba ch\u1ec9 MAC tr\u00ean m\u00e1y MacBook chi ti\u1ebft<\/h2>\n<p>B\u1ea1n \u0111ang mu\u1ed1n bi\u1ebft MAC l\u00e0 g\u00ec v\u00e0 t\u00ecm hi\u1ec3u v\u1ec1 c\u00e1ch t\u00ecm \u0111\u1ecba ch\u1ec9 MAC l\u00e0 g\u00ec tr\u00ean m\u00e1y MacBook c\u1ee7a m\u00ecnh? H\u00e3y c\u00f9ng kh\u00e1m ph\u00e1 h\u01b0\u1edbng d\u1eabn chi ti\u1ebft d\u01b0\u1edbi \u0111\u00e2y \u0111\u1ec3 t\u00ecm \u0111\u1ecba ch\u1ec9 MAC c\u1ee7a thi\u1ebft b\u1ecb.<\/p>\n<h3>C\u00e1ch t\u00ecm \u0111\u1ecba ch\u1ec9 MAC qua System Preferences<\/h3>\n<p>Ph\u01b0\u01a1ng ph\u00e1p \u0111\u01a1n gi\u1ea3n v\u00e0 ph\u1ed5 bi\u1ebfn nh\u1ea5t \u0111\u1ec3 t\u00ecm \u0111\u1ecba ch\u1ec9 MAC tr\u00ean MacBook l\u00e0 th\u00f4ng qua System Preferences.<\/p>\n<p><strong>B\u01b0\u1edbc 1:<\/strong> Nh\u1ea5p v\u00e0o bi\u1ec3u t\u01b0\u1ee3ng Apple (g\u00f3c tr\u00e1i tr\u00ean c\u00f9ng c\u1ee7a m\u00e0n h\u00ecnh) v\u00e0 ch\u1ecdn System Preferences (T\u00f9y ch\u1ecdn H\u1ec7 th\u1ed1ng).<\/p>\n<p><strong>B\u01b0\u1edbc 2:<\/strong> Trong c\u1eeda s\u1ed5 System Preferences, ch\u1ecdn m\u1ee5c Network (M\u1ea1ng).<\/p>\n<p><strong>B\u01b0\u1edbc 3:<\/strong> Ch\u1ecdn k\u1ebft n\u1ed1i m\u1ea1ng m\u00e0 b\u1ea1n \u0111ang s\u1eed d\u1ee5ng (WiFi ho\u1eb7c Ethernet), sau \u0111\u00f3 nh\u1ea5p v\u00e0o n\u00fat Advanced (N\u00e2ng cao) \u1edf g\u00f3c d\u01b0\u1edbi c\u00f9ng b\u00ean ph\u1ea3i.<\/p>\n<p><strong>B\u01b0\u1edbc 4:<\/strong> Trong tab TCP\/IP, b\u1ea1n s\u1ebd th\u1ea5y \u0111\u1ecba ch\u1ec9 MAC t\u1ea1i m\u1ee5c Hardware (Ph\u1ea7n c\u1ee9ng). \u0110\u1ecba ch\u1ec9 n\u00e0y ch\u00ednh l\u00e0 Physical Address (MAC) c\u1ee7a card m\u1ea1ng.<\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/10\/mac-la-gi.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/10\/mac-la-gi-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/10\/mac-la-gi-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-400215 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/10\/mac-la-gi.jpg\" alt=\"mac-la-gi-\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/10\/mac-la-gi.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/10\/mac-la-gi-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/10\/mac-la-gi-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h3>C\u00e1ch t\u00ecm \u0111\u1ecba ch\u1ec9 MAC b\u1eb1ng Termina<\/h3>\n<div>\u0110\u1ed1i v\u1edbi nh\u1eefng ai mu\u1ed1n s\u1eed d\u1ee5ng l\u1ec7nh, Terminal tr\u00ean MacBook c\u0169ng l\u00e0 m\u1ed9t c\u00e1ch nhanh ch\u00f3ng \u0111\u1ec3 t\u00ecm \u0111\u1ecba ch\u1ec9 MAC.<\/div>\n<p><strong>B\u01b0\u1edbc 1:<\/strong> Nh\u1ea5n t\u1ed5 h\u1ee3p ph\u00edm Command + Space \u0111\u1ec3 m\u1edf Spotlight, sau \u0111\u00f3 nh\u1eadp Terminal v\u00e0 nh\u1ea5n Enter \u0111\u1ec3 m\u1edf \u1ee9ng d\u1ee5ng.<\/p>\n<p><strong>B\u01b0\u1edbc 2:<\/strong> Trong c\u1eeda s\u1ed5 Terminal, nh\u1eadp l\u1ec7nh ifconfig v\u00e0 nh\u1ea5n Enter.<\/p>\n<p><strong>B\u01b0\u1edbc 3:<\/strong> B\u1ea1n s\u1ebd th\u1ea5y m\u1ed9t danh s\u00e1ch d\u00e0i c\u00e1c th\u00f4ng tin v\u1ec1 m\u1ea1ng. T\u00ecm d\u00f2ng b\u1eaft \u0111\u1ea7u b\u1eb1ng en0 ho\u1eb7c en1 (t\u00f9y thu\u1ed9c v\u00e0o m\u1ea1ng WiFi hay Ethernet). \u0110\u1ecba ch\u1ec9 MAC s\u1ebd hi\u1ec3n th\u1ecb d\u01b0\u1edbi m\u1ee5c ether.<\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/10\/mac-la-gi-11.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/10\/mac-la-gi-11-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/10\/mac-la-gi-11-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-400216 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/10\/mac-la-gi-11.jpg\" alt=\"mac-la-gi-11\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/10\/mac-la-gi-11.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/10\/mac-la-gi-11-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/10\/mac-la-gi-11-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h2>C\u00e1ch t\u00ecm \u0111\u1ecba ch\u1ec9 MAC tr\u00ean \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng chi ti\u1ebft<\/h2>\n<p>Sau khi \u0111\u00e3 bi\u1ebft \u0111\u1ecba ch\u1ec9 MAC l\u00e0 g\u00ec, th\u00ec t\u1ea1i m\u1ee5c n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n c\u00e1ch t\u00ecm \u0111\u1ecba ch\u1ec9 MAC tr\u00ean \u0111i\u1ec7n tho\u1ea1i di \u0111\u1ed9ng m\u1ed9t c\u00e1ch chi ti\u1ebft v\u00e0 \u0111\u01a1n gi\u1ea3n.<\/p>\n<h3>C\u00e1ch t\u00ecm \u0111\u1ecba ch\u1ec9 MAC tr\u00ean Android<\/h3>\n<p>C\u00e1ch t\u00ecm \u0111\u1ecba ch\u1ec9 MAC tr\u00ean c\u00e1c thi\u1ebft b\u1ecb Android r\u1ea5t d\u1ec5 th\u1ef1c hi\u1ec7n qua C\u00e0i \u0111\u1eb7t.<\/p>\n<p><strong>B\u01b0\u1edbc 1:<\/strong> M\u1edf \u1ee9ng d\u1ee5ng C\u00e0i \u0111\u1eb7t (Settings) tr\u00ean \u0111i\u1ec7n tho\u1ea1i ho\u1eb7c m\u00e1y t\u00ednh b\u1ea3ng Android c\u1ee7a b\u1ea1n.<\/p>\n<p><strong>B\u01b0\u1edbc 2:<\/strong> K\u00e9o xu\u1ed1ng v\u00e0 ch\u1ecdn m\u1ee5c Gi\u1edbi thi\u1ec7u v\u1ec1 \u0111i\u1ec7n tho\u1ea1i (About phone) ho\u1eb7c Th\u00f4ng tin thi\u1ebft b\u1ecb (Device information) t\u00f9y thu\u1ed9c v\u00e0o d\u00f2ng m\u00e1y.<\/p>\n<p><strong>B\u01b0\u1edbc 3:<\/strong> Nh\u1ea5n v\u00e0o Tr\u1ea1ng th\u00e1i (Status) ho\u1eb7c Th\u00f4ng tin m\u1ea1ng (Network information).<\/p>\n<p><strong>B\u01b0\u1edbc 4:<\/strong> \u1ede \u0111\u00e2y, b\u1ea1n s\u1ebd th\u1ea5y \u0110\u1ecba ch\u1ec9 MAC WiFi (WiFi MAC address). \u0110\u00e2y l\u00e0 \u0111\u1ecba ch\u1ec9 MAC c\u1ee7a thi\u1ebft b\u1ecb khi k\u1ebft n\u1ed1i v\u1edbi m\u1ea1ng kh\u00f4ng d\u00e2y.<\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/10\/mac-la-gi-2.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/10\/mac-la-gi-2-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/10\/mac-la-gi-2-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-400214 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/10\/mac-la-gi-2.jpg\" alt=\"mac-la-gi-2\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/10\/mac-la-gi-2.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/10\/mac-la-gi-2-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/10\/mac-la-gi-2-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h3>C\u00e1ch t\u00ecm \u0111\u1ecba ch\u1ec9 MAC tr\u00ean iPhone ho\u1eb7c iPad<\/h3>\n<p>Apple cung c\u1ea5p c\u00e1ch d\u1ec5 d\u00e0ng \u0111\u1ec3 ki\u1ec3m tra \u0111\u1ecba ch\u1ec9 MAC tr\u00ean c\u00e1c thi\u1ebft b\u1ecb iOS. C\u00f9ng m\u00ecnh t\u00ecm hi\u1ec3u c\u00e1ch t\u00ecm \u0111\u1ecba ch\u1ec9 MAC l\u00e0 g\u00ec tr\u00ean iPhone ngay sau \u0111\u00e2y.<\/p>\n<p><strong>B\u01b0\u1edbc 1:<\/strong> V\u00e0o C\u00e0i \u0111\u1eb7t (Settings) tr\u00ean iPhone ho\u1eb7c iPad c\u1ee7a b\u1ea1n.<\/p>\n<p><strong>B\u01b0\u1edbc 2:<\/strong> Ch\u1ecdn m\u1ee5c C\u00e0i \u0111\u1eb7t chung (General) &gt; Gi\u1edbi thi\u1ec7u (About).<\/p>\n<p><strong>B\u01b0\u1edbc 3:<\/strong> K\u00e9o xu\u1ed1ng v\u00e0 b\u1ea1n s\u1ebd th\u1ea5y m\u1ee5c WiFi Address. L\u00fac n\u00e0y b\u1ea1n s\u1ebd th\u1ea5y \u0111\u1ecba ch\u1ec9 MAC c\u1ee7a m\u00ecnh hi\u1ec7n ra.<\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/10\/mac-la-gi-10.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/10\/mac-la-gi-10-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/10\/mac-la-gi-10-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-400213 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/10\/mac-la-gi-10.jpg\" alt=\"mac-la-gi-\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/10\/mac-la-gi-10.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/10\/mac-la-gi-10-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/10\/mac-la-gi-10-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h2>L\u1eddi k\u1ebft<\/h2>\n<div>Sau khi t\u00ecm hi\u1ec3u \u0111\u1ecba ch\u1ec9 MAC l\u00e0 g\u00ec, ta \u0111\u00e3 bi\u1ebft \u0111\u00e2y l\u00e0 m\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng gi\u00fap qu\u1ea3n l\u00fd v\u00e0 b\u1ea3o m\u1eadt m\u1ea1ng hi\u1ec7u qu\u1ea3. Vi\u1ec7c hi\u1ec3u r\u00f5 v\u1ec1 \u0111\u1ecba ch\u1ec9 MAC kh\u00f4ng ch\u1ec9 gi\u00fap b\u1ea1n ki\u1ec3m so\u00e1t truy c\u1eadp c\u1ee7a c\u00e1c thi\u1ebft b\u1ecb v\u00e0o m\u1ea1ng m\u00e0 c\u00f2n h\u1ed7 tr\u1ee3 trong vi\u1ec7c t\u1ed1i \u01b0u h\u00f3a h\u1ec7 th\u1ed1ng m\u1ea1ng, \u0111\u1eb7c bi\u1ec7t l\u00e0 trong c\u00e1c m\u00f4i tr\u01b0\u1eddng c\u00f3 nhi\u1ec1u thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i. B\u1eb1ng c\u00e1c ph\u01b0\u01a1ng ph\u00e1p ki\u1ec3m tra \u0111\u1ecba ch\u1ec9 MAC tr\u00ean c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c nhau nh\u01b0 m\u00e1y t\u00ednh, MacBook, \u0111i\u1ec7n tho\u1ea1i Android, iPhone, b\u1ea1n s\u1ebd d\u1ec5 d\u00e0ng gi\u00e1m s\u00e1t v\u00e0 qu\u1ea3n l\u00fd m\u1ea1ng c\u1ee7a m\u00ecnh m\u1ed9t c\u00e1ch ch\u1ee7 \u0111\u1ed9ng v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n.<\/div>\n<p>N\u1ebfu b\u1ea1n mu\u1ed1n n\u00e2ng cao kh\u1ea3 n\u0103ng b\u1ea3o m\u1eadt v\u00e0 qu\u1ea3n l\u00fd thi\u1ebft b\u1ecb m\u1ea1ng, b\u1ea1n c\u1ea7n theo d\u00f5i v\u00e0 ki\u1ec3m tra \u0111\u1ecba ch\u1ec9 MAC th\u01b0\u1eddng xuy\u00ean. H\u00e3y \u00e1p d\u1ee5ng c\u00e1c ki\u1ebfn th\u1ee9c v\u1ec1 \u0111\u1ecba ch\u1ec9 MAC trong vi\u1ec7c thi\u1ebft l\u1eadp v\u00e0 duy tr\u00ec h\u1ec7 th\u1ed1ng m\u1ea1ng c\u1ee7a b\u1ea1n m\u1ed9t c\u00e1ch an to\u00e0n v\u00e0 \u1ed5n \u0111\u1ecbnh.<\/p>\n<p>Hy v\u1ecdng b\u00e0i vi\u1ebft n\u00e0y \u0111\u00e3 gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 h\u01a1n v\u1ec1 \u0111\u1ecba ch\u1ec9 MAC v\u00e0 c\u00e1ch s\u1eed d\u1ee5ng n\u00f3 \u0111\u1ec3 t\u1ed1i \u01b0u h\u00f3a tr\u1ea3i nghi\u1ec7m m\u1ea1ng c\u1ee7a m\u00ecnh.<\/p>\n<p><strong>Xem th\u00eam:<\/strong><\/p>\n<ul>\n<li><strong><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/cach-sao-chep-tren-may-tinh\/\">C\u00e1ch sao ch\u00e9p tr\u00ean m\u00e1y t\u00ednh v\u00e0 d\u00e1n v\u0103n b\u1ea3n, h\u00ecnh tr\u00ean Windows, MacBook<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/cach-tao-file-tren-may-tinh\/\">M\u00e1ch b\u1ea1n 4 c\u00e1ch t\u1ea1o file tr\u00ean m\u00e1y t\u00ednh \u0111\u01a1n gi\u1ea3n v\u00e0 nhanh ch\u00f3ng<\/a><\/strong><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Trong th\u1ebf gi\u1edbi c\u00f4ng ngh\u1ec7 hi\u1ec7n \u0111\u1ea1i, m\u1ea1ng m\u00e1y t\u00ednh \u0111\u00f3ng vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c k\u1ebft n\u1ed1i c\u00e1c thi\u1ebft b\u1ecb v\u1edbi nhau. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng m\u1ed7i thi\u1ebft b\u1ecb tr\u00ean m\u1ea1ng \u0111\u1ec1u c\u00f3 th\u1ec3 nh\u1eadn di\u1ec7n v\u00e0 trao \u0111\u1ed5i th\u00f4ng tin ch\u00ednh x\u00e1c, \u0111\u1ecba ch\u1ec9 MAC (Media Access Control) ra \u0111\u1eddi nh\u01b0 m\u1ed9t [&hellip;]<\/p>\n","protected":false},"author":100,"featured_media":400218,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16,412],"tags":[],"class_list":["post-398787","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-thu-thuat","category-thu-thuat-may-tinh"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.2 (Yoast SEO v24.2) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u0110\u1ecba ch\u1ec9 MAC l\u00e0 g\u00ec? C\u00e1ch ki\u1ec3m tra, ph\u00e2n lo\u1ea1i v\u00e0 t\u00ednh \u1ee9ng d\u1ee5ng<\/title>\n<meta name=\"description\" content=\"\u0110\u1ecba ch\u1ec9 MAC l\u00e0 g\u00ec? T\u00ecm hi\u1ec3u c\u00e1ch ki\u1ec3m tra, ph\u00e2n lo\u1ea1i \u0111\u1ecba ch\u1ec9 MAC v\u00e0 \u1ee9ng d\u1ee5ng th\u1ef1c ti\u1ec5n c\u1ee7a n\u00f3 trong m\u1ea1ng m\u00e1y t\u00ednh.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hoanghamobile.com\/tin-tuc\/mac-la-gi\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u0110\u1ecba ch\u1ec9 MAC l\u00e0 g\u00ec? C\u00e1ch ki\u1ec3m tra, ph\u00e2n lo\u1ea1i v\u00e0 t\u00ednh \u1ee9ng d\u1ee5ng\" \/>\n<meta property=\"og:description\" content=\"\u0110\u1ecba ch\u1ec9 MAC l\u00e0 g\u00ec? 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