{"id":21123,"date":"2024-06-11T16:28:15","date_gmt":"2024-06-11T09:28:15","guid":{"rendered":"\/vi\/?post_type=ht_kb&p=21123"},"modified":"2025-11-04T15:13:51","modified_gmt":"2025-11-04T08:13:51","slug":"cach-kiem-tra-may-cham-cong-mat-ket-noi","status":"publish","type":"ht_kb","link":"\/vi\/kb\/cach-kiem-tra-may-cham-cong-mat-ket-noi","title":{"rendered":"C\u00e1ch ki\u1ec3m tra m\u00e1y ch\u1ea5m c\u00f4ng m\u1ea5t k\u1ebft n\u1ed1i"},"content":{"rendered":"

1. T\u1ed5ng quan<\/strong><\/h3>\n

B\u00e0i vi\u1ebft h\u01b0\u1edbng d\u1eabn ng\u01b0\u1eddi d\u00f9ng x\u1eed l\u00fd khi m\u00e1y ch\u1ea5m c\u00f4ng m\u1ea5t k\u1ebft n\u1ed1i m\u1ea1ng<\/strong>, gi\u00fap \u0111\u1ea3m b\u1ea3o vi\u1ec7c \u0111\u1ed3ng b\u1ed9 d\u1eef li\u1ec7u ch\u1ea5m c\u00f4ng v\u1edbi ph\u1ea7n m\u1ec1m \u0111\u01b0\u1ee3c th\u00f4ng su\u1ed1t.<\/p>\n

N\u1ed9i dung b\u00e0i vi\u1ebft g\u1ed3m:<\/strong><\/header>\n
\n
    \n
  • \n

    Ki\u1ec3m tra bi\u1ec3u t\u01b0\u1ee3ng m\u1ea1ng tr\u00ean m\u00e1y ch\u1ea5m c\u00f4ng<\/p>\n<\/li>\n

  • \n

    Ki\u1ec3m tra th\u00f4ng tin IP v\u00e0 k\u1ebft n\u1ed1i m\u1ea1ng<\/p>\n<\/li>\n

  • \n

    Thi\u1ebft l\u1eadp l\u1ea1i k\u1ebft n\u1ed1i tr\u00ean ph\u1ea7n m\u1ec1m ch\u1ea5m c\u00f4ng<\/p>\n<\/li>\n<\/ul>\n<\/header>\n

    2. C\u00e1c b\u01b0\u1edbc th\u1ef1c hi\u1ec7n<\/strong><\/h3>\n

    Vi\u1ec7c m\u00e1y ch\u1ea5m c\u00f4ng m\u1ea5t k\u1ebft n\u1ed1i m\u1ea1ng th\u01b0\u1eddng b\u1ecb d\u00e2y m\u1ea1ng ho\u1eb7c thay \u0111\u1ed5i modem l\u00e0m cho d\u00e3y IP thay \u0111\u1ed5i kh\u00f4ng k\u1ebft n\u1ed1i \u0111\u01b0\u1ee3c v\u1edbi m\u00e1y t\u00ednh.<\/p>\n

    \u0110\u1ec3 ki\u1ec3m tra m\u00e1y ch\u1ea5m c\u00f4ng khi m\u1ea5t k\u1ebft n\u1ed1i m\u1ea1ng, chi ti\u1ebft nh\u01b0 sau:<\/p>\n

    B\u01b0\u1edbc 1: Ki\u1ec3m tra bi\u1ec3u t\u01b0\u1ee3ng m\u1ea1ng tr\u00ean m\u00e1y ch\u1ea5m c\u00f4ng tr\u01b0\u1edbc<\/strong><\/p>\n

    \"\"<\/p>\n

    – H\u00ecnh 1: <\/strong>\u00a0L\u00e0 m\u00e1y ch\u1ea5m c\u00f4ng m\u1ea5t t\u00edn hi\u1ec7u m\u1ea1ng vui l\u00f2ng ki\u1ec3m tra 2 \u0111\u1ea7u c\u1eafm d\u00e2y m\u1ea1ng v\u00e0o m\u00e1y ch\u1ea5m c\u00f4ng v\u00e0 \u0111\u1ea7u c\u1eafm v\u00e0 swiths ho\u1eb7c wifi.<\/p>\n

    – H\u00ecnh 2:<\/strong> L\u00e0 m\u00e1y ch\u1ea5m c\u00f4ng c\u00f3 t\u00edn hi\u1ec7u m\u1ea1ng nh\u01b0ng v\u1eabn kh\u00f4ng k\u1ebft \u0111\u01b0\u1ee3c v\u1edbi m\u00e1y t\u00ednh tr\u01b0\u1eddng n\u00e0y ki\u1ec3m tra IP m\u00e0 modem c\u1ea5p cho m\u00e1y ch\u1ea5m c\u00f4ng l\u00e0 bao nhi\u00eau.<\/p>\n

    B\u01b0\u1edbc 2:<\/strong> V\u00e0o m\u00e0n h\u00ecnh ch\u00ednh, ch\u1ecdn Thi\u1ebft l\u1eadp li\u00ean k\u1ebft (ho\u1eb7c Connection)<\/strong>. Sau \u0111\u00f3, ch\u1ecdn Ethernet,<\/strong> th\u00f4ng tin IP, c\u1ed5ng li\u00ean k\u1ebft TCP l\u00e0 th\u00f4ng tin c\u1ea7n bi\u1ebft \u0111\u1ec3 c\u00f3 th\u1ec3 thi\u1ebft l\u1eadp k\u1ebft n\u1ed1i v\u1edbi m\u00e1y ch\u1ea5m c\u00f4ng<\/p>\n

    \n

    – H\u00ecnh 3:<\/strong> N\u1ebfu ch\u1ecdn DHCP On m\u00e0 c\u00e1c\u00a0 d\u00f2ng IP v\u00e0 Gateway\u2026\u00a0 kh\u00f4ng thay \u0111\u1ed5i kh\u00e1c so v\u1edbi ban \u0111\u1ea7u l\u00e0 router ch\u01b0a c\u1ea5p \u0111\u01b0\u1ee3c IP cho m\u00e1y ch\u1ea5m c\u00f4ng c\u1ea7n ki\u1ec3m tra l\u1ea1i m\u1ea1ng c\u00f4ng ty.<\/p>\n

    – H\u00ecnh 4: <\/strong>N\u1ebfu\u00a0DHCP On m\u00e0 c\u00e1c\u00a0 d\u00f2ng IP v\u00e0 Gateway\u2026thay \u0111\u1ed5i ngh\u0129a l\u00e0 m\u00e1y ch\u1ea5m c\u00f4ng \u0111\u00e3 nh\u1eadn m\u1ea1ng internet. N\u1ebfu k\u1ebft n\u1ed1i v\u1edbi m\u00e1y t\u00ednh theo c\u00e1ch online thi \u0111\u1ec3 DHCP ON. N\u1ebfu k\u1ebft n\u1ed1i t\u1ea3i d\u1eef li\u1ec7u th\u1ee7 c\u00f4ng ch\u00fang ta c\u1ea7n OF DHCP v\u00e0 \u0111\u1eb7t l\u1ea1i IP theo l\u1edbp m\u1ea1ng m\u00e0 router \u0111\u00e3 c\u1ea5p cho m\u00e1y nh\u01b0 h\u00ecnh 4.<\/p>\n<\/div>\n

    <\/p>\n

    B\u01b0\u1edbc 3: <\/strong>V\u00e0o ph\u1ea7n m\u1ec1m ch\u1ea5m c\u00f4ng, ch\u1ecdn m\u1ee5c Thi\u1ebft l\u1eadp m\u00e1y ch\u1ea5m c\u00f4ng\/Th\u00eam m\u00e1y ch\u1ea5m c\u00f4ng<\/strong> nh\u1eadp l\u1ea1i gi\u1ed1ng IP tr\u00ean m\u00e1y ch\u1ea5m c\u00f4ng. Sau \u0111\u00f3, ti\u1ebfn h\u00e0nh t\u1ea3i d\u1eef li\u1ec7u ch\u1ea5m c\u00f4ng th\u1eed \u0111\u01b0\u1ee3c ch\u01b0a n\u1ebfu kh\u00f4ng \u0111\u01b0\u1ee3c ki\u1ec3m tra b\u01b0\u1edbc ti\u1ebfp theo.<\/p>\n

    L\u01b0u \u00fd:<\/strong><\/p>\n

    L\u00e0m t\u1ea5t c\u1ea3 c\u00e1c b\u01b0\u1edbc n\u1ebfu kh\u00f4ng k\u1ebft \u0111\u01b0\u1ee3c m\u00e1y ch\u1ea5m c\u00f4ng th\u00ec ti\u1ebfn h\u00e0nh ki\u1ec3m tra d\u00e3y IP tr\u00ean m\u00e1y t\u00ednh c\u00f3 tr\u00f9ng v\u1edbi d\u00e3y IP tr\u00ean m\u00e1y ch\u1ea5m c\u00f4ng hay kh\u00f4ng.N\u1ebfu ki\u1ec3m tra th\u1ea5y d\u00e3y IP kh\u00e1c d\u00e3y IP tr\u00ean m\u00e1y ch\u1ea5m c\u00f4ng th\u00ec ph\u1ea3i c\u1ea5u h\u00ecnh l\u1ea1i m\u1ea1ng c\u00f4ng ty cho tr\u00f9ng 2 l\u1edbp m\u1ea1ng.<\/p>\n

    Ch\u00fac Anh\/Ch\u1ecb th\u1ef1c hi\u1ec7n th\u00e0nh c\u00f4ng!<\/strong><\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

    1. T\u1ed5ng quan B\u00e0i vi\u1ebft h\u01b0\u1edbng d\u1eabn ng\u01b0\u1eddi d\u00f9ng x\u1eed l\u00fd khi m\u00e1y ch\u1ea5m c\u00f4ng m\u1ea5t k\u1ebft n\u1ed1i m\u1ea1ng, gi\u00fap \u0111\u1ea3m b\u1ea3o vi\u1ec7c \u0111\u1ed3ng b\u1ed9 d\u1eef li\u1ec7u ch\u1ea5m c\u00f4ng v\u1edbi ph\u1ea7n m\u1ec1m \u0111\u01b0\u1ee3c th\u00f4ng su\u1ed1t. N\u1ed9i dung b\u00e0i vi\u1ebft g\u1ed3m: Ki\u1ec3m tra bi\u1ec3u t\u01b0\u1ee3ng m\u1ea1ng tr\u00ean m\u00e1y ch\u1ea5m c\u00f4ng Ki\u1ec3m…<\/p>\n","protected":false},"author":101,"comment_status":"closed","ping_status":"closed","template":"","format":"standard","meta":{"footnotes":""},"ht-kb-category":[1439],"ht-kb-tag":[],"class_list":["post-21123","ht_kb","type-ht_kb","status-publish","format-standard","hentry","ht_kb_category-cac-cau-hoi-thuong-gap"],"yoast_head":"\nC\u00e1ch ki\u1ec3m tra m\u00e1y ch\u1ea5m c\u00f4ng m\u1ea5t k\u1ebft n\u1ed1i - T\u00e0i li\u1ec7u h\u01b0\u1edbng d\u1eabn CUKCUK Vi\u1ec7t Nam<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"\/vi\/kb\/cach-kiem-tra-may-cham-cong-mat-ket-noi\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C\u00e1ch ki\u1ec3m tra m\u00e1y ch\u1ea5m c\u00f4ng m\u1ea5t k\u1ebft n\u1ed1i - T\u00e0i li\u1ec7u h\u01b0\u1edbng d\u1eabn CUKCUK Vi\u1ec7t Nam\" \/>\n<meta property=\"og:description\" content=\"1. 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