{"id":364949,"date":"2024-07-12T11:03:57","date_gmt":"2024-07-12T04:03:57","guid":{"rendered":"https:\/\/hoanghamobile.com\/tin-tuc\/?p=364949"},"modified":"2024-07-12T11:03:57","modified_gmt":"2024-07-12T04:03:57","slug":"hub-la-gi","status":"publish","type":"post","link":"https:\/\/hoanghamobile.com\/tin-tuc\/hub-la-gi\/","title":{"rendered":"Hub l\u00e0 g\u00ec? So s\u00e1nh v\u00e0 ph\u00e2n bi\u1ec7t gi\u1eefa Hub v\u00e0 Switch"},"content":{"rendered":"<p data-sourcepos=\"3:1-3:411\">Hub l\u00e0 thi\u1ebft b\u1ecb m\u1ea1ng quen thu\u1ed9c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 k\u1ebft n\u1ed1i nhi\u1ec1u thi\u1ebft b\u1ecb nh\u01b0 m\u00e1y t\u00ednh, m\u00e1y in, m\u00e1y qu\u00e9t,&#8230; trong c\u00f9ng m\u1ed9t m\u1ea1ng c\u1ee5c b\u1ed9 (LAN). Tuy nhi\u00ean, nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng v\u1eabn c\u00f2n nh\u1eefng th\u1eafc m\u1eafc v\u1ec1 c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng, \u01b0u nh\u01b0\u1ee3c \u0111i\u1ec3m v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a Hub. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd gi\u1ea3i \u0111\u00e1p m\u1ed9t s\u1ed1 c\u00e2u h\u1ecfi ph\u1ed5 bi\u1ebfn li\u00ean quan \u0111\u1ebfn Hub, gi\u00fap b\u1ea1n hi\u1ec3u r\u00f5 h\u01a1n <strong>Hub l\u00e0 g\u00ec<\/strong> v\u00e0 \u0111\u01b0a ra l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p cho nhu c\u1ea7u s\u1eed d\u1ee5ng c\u1ee7a m\u00ecnh.<\/p>\n<h2>Hub l\u00e0 g\u00ec?<\/h2>\n<p data-sourcepos=\"7:1-7:20\">Hub l\u00e0 thi\u1ebft b\u1ecb m\u1ea1ng ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t trung t\u00e2m k\u1ebft n\u1ed1i, cho ph\u00e9p nhi\u1ec1u thi\u1ebft b\u1ecb chia s\u1ebb c\u00f9ng m\u1ed9t \u0111\u01b0\u1eddng truy\u1ec1n m\u1ea1ng, nh\u1eadn t\u00edn hi\u1ec7u t\u1eeb m\u1ed9t c\u1ed5ng v\u00e0 sao ch\u00e9p n\u00f3 \u0111\u1ebfn t\u1ea5t c\u1ea3 c\u00e1c c\u1ed5ng kh\u00e1c \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i. V\u00ed d\u1ee5 khi b\u1ea1n k\u1ebft n\u1ed1i m\u00e1y t\u00ednh, m\u00e1y in v\u00e0 m\u00e1y qu\u00e9t v\u00e0o Hub, t\u1ea5t c\u1ea3 c\u00e1c thi\u1ebft b\u1ecb n\u00e0y c\u00f3 th\u1ec3 chia s\u1ebb c\u00f9ng m\u1ed9t k\u1ebft n\u1ed1i internet v\u00e0 giao ti\u1ebfp v\u1edbi nhau.<\/p>\n<p data-sourcepos=\"7:1-7:20\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/07\/hub-la-gi-1.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/07\/hub-la-gi-1-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/07\/hub-la-gi-1-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-full wp-image-365693 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/07\/hub-la-gi-1.jpg\" alt=\"hub-la-gi-so-sanh-hub-va-switch-1\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/07\/hub-la-gi-1.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/07\/hub-la-gi-1-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/07\/hub-la-gi-1-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p data-sourcepos=\"7:1-7:20\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh c\u1ee7a Hub:<\/p>\n<ul data-sourcepos=\"5:1-6:79\">\n<li data-sourcepos=\"5:1-5:98\"><strong>C\u00f3 nhi\u1ec1u c\u1ed5ng:<\/strong> Hub th\u01b0\u1eddng c\u00f3 t\u1eeb 4 \u0111\u1ebfn 24 c\u1ed5ng, cho ph\u00e9p k\u1ebft n\u1ed1i nhi\u1ec1u thi\u1ebft b\u1ecb c\u00f9ng m\u1ed9t l\u00fac.<\/li>\n<li data-sourcepos=\"6:1-6:79\"><strong>D\u1ec5 s\u1eed d\u1ee5ng:<\/strong> Hub kh\u00f4ng y\u00eau c\u1ea7u c\u1ea5u h\u00ecnh ph\u1ee9c t\u1ea1p, ch\u1ec9 c\u1ea7n c\u1eafm c\u00e1p m\u1ea1ng v\u00e0o c\u1ed5ng l\u00e0 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng.<\/li>\n<li data-sourcepos=\"8:1-8:204\"><strong>T\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u:<\/strong> T\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u c\u1ee7a Hub ph\u1ee5 thu\u1ed9c v\u00e0o t\u1ed1c \u0111\u1ed9 c\u1ee7a c\u1ed5ng k\u1ebft n\u1ed1i v\u00e0 t\u1ed1c \u0111\u1ed9 c\u1ee7a thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i. Tuy nhi\u00ean, Hub th\u01b0\u1eddng c\u00f3 t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u ch\u1eadm h\u01a1n so v\u1edbi switch.<\/li>\n<li data-sourcepos=\"9:1-9:73\"><strong>Kh\u00f4ng th\u00f4ng minh:<\/strong> Hub kh\u00f4ng th\u1ec3 ph\u00e2n bi\u1ec7t \u0111\u01b0\u1ee3c d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ebfn c\u1ed5ng n\u00e0o, v\u00ec v\u1eady n\u00f3 s\u1ebd sao ch\u00e9p d\u1eef li\u1ec7u \u0111\u1ebfn t\u1ea5t c\u1ea3 c\u00e1c c\u1ed5ng kh\u00e1c \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn t\u1eafc ngh\u1ebdn m\u1ea1ng n\u1ebfu c\u00f3 qu\u00e1 nhi\u1ec1u thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i ho\u1eb7c n\u1ebfu c\u00f3 qu\u00e1 nhi\u1ec1u d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c truy\u1ec1n tr\u00ean m\u1ea1ng.<\/li>\n<\/ul>\n<p data-sourcepos=\"11:1-11:96\">Hi\u1ec7n nay, Hub \u00edt \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn h\u01a1n so v\u1edbi switch.\u00a0Tuy nhi\u00ean, Hub v\u1eabn c\u00f3 m\u1ed9t s\u1ed1 \u01b0u \u0111i\u1ec3m nh\u01b0 gi\u00e1 r\u1ebb v\u00e0 d\u1ec5 s\u1eed d\u1ee5ng, v\u00ec v\u1eady n\u00f3 v\u1eabn c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p nh\u1ea5t \u0111\u1ecbnh, ch\u1eb3ng h\u1ea1n nh\u01b0 k\u1ebft n\u1ed1i m\u1ed9t v\u00e0i m\u00e1y t\u00ednh trong nh\u00e0 ho\u1eb7c v\u0103n ph\u00f2ng nh\u1ecf.<\/p>\n<h2 data-sourcepos=\"9:1-9:33\">Hub ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n<p data-sourcepos=\"11:1-11:163\">Hub ho\u1ea1t \u0111\u1ed9ng \u1edf l\u1edbp v\u1eadt l\u00fd trong m\u00f4 h\u00ecnh OSI.<\/p>\n<p data-sourcepos=\"11:1-11:163\">M\u00f4 h\u00ecnh OSI l\u00e0 m\u1ed9t m\u00f4 h\u00ecnh tham chi\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 m\u00f4 t\u1ea3 c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a c\u00e1c h\u1ec7 th\u1ed1ng m\u1ea1ng. M\u00f4 h\u00ecnh n\u00e0y chia th\u00e0nh 7 l\u1edbp, m\u1ed7i l\u1edbp c\u00f3 ch\u1ee9c n\u0103ng ri\u00eang bi\u1ec7t. L\u1edbp v\u1eadt l\u00fd l\u00e0 l\u1edbp \u0111\u1ea7u ti\u00ean trong m\u00f4 h\u00ecnh OSI. L\u1edbp n\u00e0y ch\u1ecbu tr\u00e1ch nhi\u1ec7m truy\u1ec1n d\u1eef li\u1ec7u bit qua c\u00e1p m\u1ea1ng. C\u00e1c thi\u1ebft b\u1ecb ho\u1ea1t \u0111\u1ed9ng \u1edf l\u1edbp v\u1eadt l\u00fd bao g\u1ed3m c\u00e1p m\u1ea1ng, card m\u1ea1ng, b\u1ed9 \u0111i\u1ec1u h\u1ee3p m\u1ea1ng,&#8230;<\/p>\n<p data-sourcepos=\"13:1-13:249\">Hub ho\u1ea1t \u0111\u1ed9ng \u1edf l\u1edbp v\u1eadt l\u00fd b\u1eb1ng c\u00e1ch sao ch\u00e9p d\u1eef li\u1ec7u nh\u1eadn \u0111\u01b0\u1ee3c t\u1eeb m\u1ed9t c\u1ed5ng \u0111\u1ebfn t\u1ea5t c\u1ea3 c\u00e1c c\u1ed5ng kh\u00e1c \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i. \u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 t\u1ea5t c\u1ea3 c\u00e1c thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi Hub \u0111\u1ec1u s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c d\u1eef li\u1ec7u, ngay c\u1ea3 khi ch\u00fang kh\u00f4ng ph\u1ea3i l\u00e0 thi\u1ebft b\u1ecb \u0111\u00edch. Hub s\u1eed d\u1ee5ng ph\u01b0\u01a1ng th\u1ee9c truy\u1ec1n d\u1eabn b\u00e1n song c\u00f4ng, ngh\u0129a l\u00e0 ch\u1ec9 c\u00f3 m\u1ed9t thi\u1ebft b\u1ecb c\u00f3 th\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u t\u1ea1i m\u1ed9t th\u1eddi \u0111i\u1ec3m, c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c ph\u1ea3i \u0111\u1ee3i \u0111\u1ebfn l\u01b0\u1ee3t c\u1ee7a m\u00ecnh.<\/p>\n<p style=\"text-align: center;\" data-sourcepos=\"13:1-13:249\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/07\/hub-la-gi-2.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/07\/hub-la-gi-2-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/07\/hub-la-gi-2-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img decoding=\"async\" class=\"alignnone size-full wp-image-365694 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/07\/hub-la-gi-2.jpg\" alt=\"hub-la-gi-so-sanh-hub-va-switch-2\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/07\/hub-la-gi-2.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/07\/hub-la-gi-2-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/07\/hub-la-gi-2-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p data-sourcepos=\"19:1-19:24\">C\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng c\u1ee7a Hub nh\u01b0 sau: Khi m\u1ed9t thi\u1ebft b\u1ecb truy\u1ec1n d\u1eef li\u1ec7u, Hub s\u1ebd nh\u1eadn d\u1eef li\u1ec7u \u0111\u00f3. Hub sau \u0111\u00f3 s\u1ebd sao ch\u00e9p d\u1eef li\u1ec7u \u0111\u1ebfn t\u1ea5t c\u1ea3 c\u00e1c c\u1ed5ng kh\u00e1c \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i. Ch\u1ec9 c\u00f3 thi\u1ebft b\u1ecb \u0111\u00edch m\u1edbi c\u00f3 th\u1ec3 x\u1eed l\u00fd d\u1eef li\u1ec7u v\u00e0 c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c s\u1ebd b\u1ecf qua d\u1eef li\u1ec7u kh\u00f4ng d\u00e0nh cho ch\u00fang.<\/p>\n<h2>\u1ee8ng d\u1ee5ng c\u1ee7a Hub l\u00e0 g\u00ec?<\/h2>\n<p data-sourcepos=\"5:1-5:47\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 \u1ee9ng d\u1ee5ng c\u1ee5 th\u1ec3 c\u1ee7a Hub:<\/p>\n<p data-sourcepos=\"7:1-7:86\"><strong>K\u1ebft n\u1ed1i c\u00e1c m\u00e1y t\u00ednh trong nh\u00e0 ho\u1eb7c v\u0103n ph\u00f2ng nh\u1ecf:<\/strong> Hub l\u00e0 gi\u1ea3i ph\u00e1p \u0111\u01a1n gi\u1ea3n v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed \u0111\u1ec3 k\u1ebft n\u1ed1i m\u1ed9t v\u00e0i m\u00e1y t\u00ednh trong nh\u00e0 ho\u1eb7c v\u0103n ph\u00f2ng nh\u1ecf. Hub gi\u00fap c\u00e1c m\u00e1y t\u00ednh c\u00f3 th\u1ec3 chia s\u1ebb ngu\u1ed3n k\u1ebft n\u1ed1i internet, file d\u1eef li\u1ec7u, m\u00e1y in v\u00e0 c\u00e1c thi\u1ebft b\u1ecb m\u1ea1ng kh\u00e1c.<\/p>\n<p data-sourcepos=\"9:1-9:134\"><strong>M\u1edf r\u1ed9ng m\u1ea1ng LAN hi\u1ec7n c\u00f3:<\/strong> Hub c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 m\u1edf r\u1ed9ng m\u1ea1ng LAN hi\u1ec7n c\u00f3 b\u1eb1ng c\u00e1ch k\u1ebft n\u1ed1i th\u00eam c\u00e1c segment m\u1ea1ng v\u1edbi nhau.<\/p>\n<p data-sourcepos=\"11:1-11:50\"><strong>K\u1ebft n\u1ed1i c\u00e1c thi\u1ebft b\u1ecb m\u1ea1ng kh\u00e1c nhau:<\/strong> Hub c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i nhi\u1ec1u lo\u1ea1i thi\u1ebft b\u1ecb m\u1ea1ng kh\u00e1c nhau nh\u01b0 m\u00e1y t\u00ednh, m\u00e1y in, m\u00e1y qu\u00e9t, b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn,&#8230;<\/p>\n<p data-sourcepos=\"13:1-13:150\"><strong>Gi\u00e1m s\u00e1t m\u1ea1ng:<\/strong> M\u1ed9t s\u1ed1 Hub cao c\u1ea5p c\u00f3 t\u00ednh n\u0103ng gi\u00e1m s\u00e1t m\u1ea1ng, cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng theo d\u00f5i l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp m\u1ea1ng v\u00e0 ph\u00e1t hi\u1ec7n c\u00e1c s\u1ef1 c\u1ed1 m\u1ea1ng.<\/p>\n<p data-sourcepos=\"15:1-15:163\"><strong>\u1ee8ng d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n:<\/strong> Hub \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec1u khi\u1ec3n \u0111\u1ec3 k\u1ebft n\u1ed1i c\u00e1c c\u1ea3m bi\u1ebfn, b\u1ed9 \u0111i\u1ec1u khi\u1ec3n v\u00e0 thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i v\u1edbi nhau.<\/p>\n<p style=\"text-align: center;\" data-sourcepos=\"15:1-15:163\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/07\/hub-la-gi-3.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/07\/hub-la-gi-3-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/07\/hub-la-gi-3-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img decoding=\"async\" class=\"alignnone size-full wp-image-365695 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/07\/hub-la-gi-3.jpg\" alt=\"hub-la-gi-so-sanh-hub-va-switch-3\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/07\/hub-la-gi-3.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/07\/hub-la-gi-3-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/07\/hub-la-gi-3-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h2>Nh\u1eefng \u01b0u \u0111i\u1ec3m v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a Hub<\/h2>\n<p data-sourcepos=\"19:1-19:237\">S\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a c\u00f4ng ngh\u1ec7 m\u1ea1ng \u0111\u00e3 mang \u0111\u1ebfn nhi\u1ec1u l\u1ef1a ch\u1ecdn cho ng\u01b0\u1eddi d\u00f9ng trong vi\u1ec7c k\u1ebft n\u1ed1i c\u00e1c thi\u1ebft b\u1ecb trong m\u1ea1ng LAN. Hub l\u00e0 m\u1ed9t trong nh\u1eefng thi\u1ebft b\u1ecb m\u1ea1ng \u0111\u1ea7u ti\u00ean \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u00e0 v\u1eabn \u0111\u01b0\u1ee3c \u01b0a chu\u1ed9ng b\u1edfi s\u1ef1 \u0111\u01a1n gi\u1ea3n v\u00e0 gi\u00e1 th\u00e0nh r\u1ebb. Tuy nhi\u00ean, Hub c\u0169ng c\u00f3 nh\u1eefng h\u1ea1n ch\u1ebf nh\u1ea5t \u0111\u1ecbnh so v\u1edbi c\u00e1c thi\u1ebft b\u1ecb m\u1ea1ng hi\u1ec7n \u0111\u1ea1i h\u01a1n nh\u01b0 Switch. Vi\u1ec7c so s\u00e1nh \u01b0u \u0111i\u1ec3m v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a Hub s\u1ebd gi\u00fap ng\u01b0\u1eddi d\u00f9ng \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t khi l\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u c\u1ee7a m\u00ecnh.<\/p>\n<h3 data-sourcepos=\"3:1-3:12\">\u01afu \u0111i\u1ec3m c\u1ee7a Hub<\/h3>\n<p>Ngo\u00e0i gi\u00e1 th\u00e0nh r\u1ebb h\u01a1n so v\u1edbi c\u00e1c thi\u1ebft b\u1ecb m\u1ea1ng kh\u00e1c nh\u01b0 Switch, Router v\u00e0 \u0111\u1eb7c bi\u1ec7t l\u00e0 d\u1ec5 d\u00e0ng s\u1eed d\u1ee5ng, nh\u1eefng \u01b0u \u0111i\u1ec3m kh\u00e1c c\u1ee7a Hub l\u00e0 g\u00ec?<\/p>\n<ul>\n<li data-sourcepos=\"9:1-9:76\"><strong>M\u1edf r\u1ed9ng m\u1ea1ng LAN hi\u1ec7n c\u00f3:<\/strong> Hub c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 k\u1ebft n\u1ed1i th\u00eam c\u00e1c segment m\u1ea1ng v\u1edbi nhau.<\/li>\n<li data-sourcepos=\"11:1-11:115\"><strong>D\u1ec5 d\u00e0ng di chuy\u1ec3n:<\/strong> Hub c\u00f3 k\u00edch th\u01b0\u1edbc nh\u1ecf g\u1ecdn v\u00e0 tr\u1ecdng l\u01b0\u1ee3ng nh\u1eb9, d\u1ec5 d\u00e0ng di chuy\u1ec3n t\u1eeb n\u01a1i n\u00e0y sang n\u01a1i kh\u00e1c.<\/li>\n<li data-sourcepos=\"13:1-13:113\"><strong>T\u01b0\u01a1ng th\u00edch:<\/strong> Hub t\u01b0\u01a1ng th\u00edch v\u1edbi nhi\u1ec1u lo\u1ea1i c\u00e1p m\u1ea1ng kh\u00e1c nhau nh\u01b0 c\u00e1p \u0111\u1ed3ng tr\u1ee5c, c\u00e1p xo\u1eafn \u0111\u00f4i, c\u00e1p quang.<\/li>\n<li data-sourcepos=\"15:1-15:112\"><strong>Ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed9c l\u1eadp:<\/strong> Hub kh\u00f4ng c\u1ea7n ngu\u1ed3n \u0111i\u1ec7n \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng, n\u00f3 l\u1ea5y ngu\u1ed3n \u0111i\u1ec7n t\u1eeb c\u00e1c thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i.<\/li>\n<li data-sourcepos=\"17:1-17:4\"><strong>An to\u00e0n:<\/strong> Hub kh\u00f4ng t\u1ea1o ra nhi\u1ec5u \u0111i\u1ec7n t\u1eeb (EMI) ho\u1eb7c nhi\u1ec5u t\u1ea7n s\u1ed1 v\u00f4 tuy\u1ebfn (RFI), do \u0111\u00f3 n\u00f3 an to\u00e0n cho s\u1ee9c kh\u1ecfe con ng\u01b0\u1eddi v\u00e0 thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed.<\/li>\n<\/ul>\n<p style=\"text-align: center;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/07\/hub-la-gi-4.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/07\/hub-la-gi-4-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/07\/hub-la-gi-4-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-365696 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/07\/hub-la-gi-4.jpg\" alt=\"hub-la-gi-so-sanh-hub-va-switch-4\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/07\/hub-la-gi-4.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/07\/hub-la-gi-4-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/07\/hub-la-gi-4-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h3 data-sourcepos=\"11:1-11:15\">Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a Hub l\u00e0 g\u00ec?<\/h3>\n<p><strong>T\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u ch\u1eadm:<\/strong> Hub th\u01b0\u1eddng c\u00f3 t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u ch\u1eadm h\u01a1n so v\u1edbi Switch, \u0111\u1eb7c bi\u1ec7t khi c\u00f3 nhi\u1ec1u thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i ho\u1eb7c khi c\u00f3 nhi\u1ec1u d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c truy\u1ec1n tr\u00ean m\u1ea1ng.<\/p>\n<p><strong>Nguy c\u01a1 t\u1eafc ngh\u1ebdn m\u1ea1ng:<\/strong> Hub kh\u00f4ng th\u1ec3 ph\u00e2n bi\u1ec7t \u0111\u01b0\u1ee3c d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c g\u1eedi \u0111\u1ebfn c\u1ed5ng n\u00e0o, v\u00ec v\u1eady n\u00f3 s\u1ebd sao ch\u00e9p d\u1eef li\u1ec7u \u0111\u1ebfn t\u1ea5t c\u1ea3 c\u00e1c c\u1ed5ng kh\u00e1c \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn t\u1eafc ngh\u1ebdn m\u1ea1ng n\u1ebfu c\u00f3 qu\u00e1 nhi\u1ec1u thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i ho\u1eb7c n\u1ebfu c\u00f3 qu\u00e1 nhi\u1ec1u d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c truy\u1ec1n tr\u00ean m\u1ea1ng.<\/p>\n<p><strong>Kh\u00f4ng h\u1ed7 tr\u1ee3 nhi\u1ec1u lo\u1ea1i m\u1ea1ng:<\/strong> Hub th\u01b0\u1eddng ch\u1ec9 h\u1ed7 tr\u1ee3 m\u1ed9t lo\u1ea1i m\u1ea1ng nh\u01b0 Ethernet.<\/p>\n<p><strong>C\u00f3 th\u1ec3 x\u1ea3y ra va ch\u1ea1m d\u1eef li\u1ec7u:<\/strong> Khi hai thi\u1ebft b\u1ecb c\u1ed1 g\u1eafng truy\u1ec1n d\u1eef li\u1ec7u c\u00f9ng l\u00fac tr\u00ean c\u00f9ng m\u1ed9t c\u1ed5ng Hub, c\u00f3 th\u1ec3 x\u1ea3y ra va ch\u1ea1m d\u1eef li\u1ec7u d\u1eabn \u0111\u1ebfn m\u1ea5t d\u1eef li\u1ec7u ho\u1eb7c l\u1ed7i truy\u1ec1n t\u1ea3i.<\/p>\n<p><strong>Kh\u00f4ng h\u1ed7 tr\u1ee3 t\u00ednh n\u0103ng QoS (Quality of Service):<\/strong> Hub kh\u00f4ng th\u1ec3 \u01b0u ti\u00ean c\u00e1c g\u00f3i d\u1eef li\u1ec7u quan tr\u1ecdng, do \u0111\u00f3 n\u00f3 kh\u00f4ng ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c m\u1ea1ng y\u00eau c\u1ea7u hi\u1ec7u su\u1ea5t cao.<\/p>\n<p style=\"text-align: center;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/07\/hub-la-gi-6.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/07\/hub-la-gi-6-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/07\/hub-la-gi-6-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-365698 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/07\/hub-la-gi-6.jpg\" alt=\"hub-la-gi-so-sanh-hub-va-switch-6\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/07\/hub-la-gi-6.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/07\/hub-la-gi-6-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/07\/hub-la-gi-6-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p data-sourcepos=\"19:1-19:98\">Do nh\u1eefng \u01b0u v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m tr\u00ean, Hub th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c m\u1ea1ng LAN nh\u1ecf c\u00f3 \u00edt thi\u1ebft b\u1ecb v\u00e0 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp th\u1ea5p. Trong c\u00e1c m\u1ea1ng LAN l\u1edbn ho\u1eb7c y\u00eau c\u1ea7u hi\u1ec7u su\u1ea5t cao, Switch l\u00e0 l\u1ef1a ch\u1ecdn t\u1ed1t h\u01a1n.<\/p>\n<h2>Ph\u00e2n bi\u1ec7t Hub v\u00e0 Switch<\/h2>\n<p>Hub v\u00e0 Switch l\u00e0 hai thi\u1ebft b\u1ecb m\u1ea1ng ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 k\u1ebft n\u1ed1i nhi\u1ec1u thi\u1ebft b\u1ecb kh\u00e1c nhau trong c\u00f9ng m\u1ed9t m\u1ea1ng LAN (m\u1ea1ng c\u1ee5c b\u1ed9). Tuy nhi\u00ean, ch\u00fang c\u00f3 nh\u1eefng kh\u00e1c bi\u1ec7t quan tr\u1ecdng v\u1ec1 c\u00e1ch ho\u1ea1t \u0111\u1ed9ng, hi\u1ec7u su\u1ea5t v\u00e0 \u1ee9ng d\u1ee5ng.<\/p>\n<h3>\u0110i\u1ec3m gi\u1ed1ng nhau gi\u1eefa Switch v\u00e0 Hub l\u00e0 g\u00ec?<\/h3>\n<p>Switch v\u00e0 Hub ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t trung t\u00e2m k\u1ebft n\u1ed1i, cho ph\u00e9p nhi\u1ec1u thi\u1ebft b\u1ecb nh\u01b0 m\u00e1y t\u00ednh, m\u00e1y in, m\u00e1y qu\u00e9t, b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn,&#8230; chia s\u1ebb c\u00f9ng m\u1ed9t \u0111\u01b0\u1eddng truy\u1ec1n m\u1ea1ng. C\u1ea3 hai nh\u1eadn t\u00edn hi\u1ec7u t\u1eeb m\u1ed9t c\u1ed5ng v\u00e0 sao ch\u00e9p n\u00f3 \u0111\u1ebfn t\u1ea5t c\u1ea3 c\u00e1c c\u1ed5ng kh\u00e1c \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i ho\u1eb7c chuy\u1ec3n ti\u1ebfp n\u00f3 \u0111\u1ebfn c\u1ed5ng \u0111\u00edch theo \u0111\u1ecba ch\u1ec9 MAC.<\/p>\n<p style=\"text-align: center;\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/07\/hub-la-gi-9.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/07\/hub-la-gi-9-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/07\/hub-la-gi-9-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-365701 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/07\/hub-la-gi-9.jpg\" alt=\"hub-la-gi-so-sanh-hub-va-switch-9\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/07\/hub-la-gi-9.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/07\/hub-la-gi-9-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/07\/hub-la-gi-9-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<h3>\u0110i\u1ec3m kh\u00e1c nhau gi\u1eefa Switch v\u00e0 Hub l\u00e0 g\u00ec?<\/h3>\n<table dir=\"ltr\" border=\"1\" cellspacing=\"0\" cellpadding=\"0\" data-sheets-root=\"1\">\n<colgroup>\n<col width=\"100\" \/>\n<col width=\"364\" \/>\n<col width=\"400\" \/><\/colgroup>\n<tbody>\n<tr>\n<td data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;T\u00ednh n\u0103ng&quot;}\">T\u00ednh n\u0103ng<\/td>\n<td data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;Hub&quot;}\"><strong>Hub<\/strong><\/td>\n<td data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;Switch&quot;}\"><strong>Switch<\/strong><\/td>\n<\/tr>\n<tr>\n<td data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;C\u00e1ch ho\u1ea1t \u0111\u1ed9ng:&quot;}\">C\u00e1ch ho\u1ea1t \u0111\u1ed9ng<\/td>\n<td data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;Sao ch\u00e9p d\u1eef li\u1ec7u: Hub nh\u1eadn d\u1eef li\u1ec7u t\u1eeb m\u1ed9t c\u1ed5ng v\u00e0 sao ch\u00e9p n\u00f3 \u0111\u1ebfn t\u1ea5t c\u1ea3 c\u00e1c c\u1ed5ng kh\u00e1c \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i.&quot;}\"><strong>Sao ch\u00e9p d\u1eef li\u1ec7u:<\/strong> Hub nh\u1eadn d\u1eef li\u1ec7u t\u1eeb m\u1ed9t c\u1ed5ng v\u00e0 sao ch\u00e9p n\u00f3 \u0111\u1ebfn t\u1ea5t c\u1ea3 c\u00e1c c\u1ed5ng kh\u00e1c \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i.<\/td>\n<td data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;Chuy\u1ec3n ti\u1ebfp d\u1eef li\u1ec7u: Switch nh\u1eadn d\u1eef li\u1ec7u t\u1eeb m\u1ed9t c\u1ed5ng v\u00e0 ch\u1ec9 chuy\u1ec3n ti\u1ebfp n\u00f3 \u0111\u1ebfn c\u1ed5ng \u0111\u00edch.&quot;}\"><strong>Chuy\u1ec3n ti\u1ebfp d\u1eef li\u1ec7u:<\/strong> Switch nh\u1eadn d\u1eef li\u1ec7u t\u1eeb m\u1ed9t c\u1ed5ng v\u00e0 ch\u1ec9 chuy\u1ec3n ti\u1ebfp n\u00f3 \u0111\u1ebfn c\u1ed5ng \u0111\u00edch.<\/td>\n<\/tr>\n<tr>\n<td data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;T\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u:&quot;}\">T\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u<\/td>\n<td data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;Ch\u1eadm h\u01a1n: Hub th\u01b0\u1eddng c\u00f3 t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u ch\u1eadm h\u01a1n so v\u1edbi Switch, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi c\u00f3 nhi\u1ec1u thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i ho\u1eb7c khi c\u00f3 nhi\u1ec1u d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c truy\u1ec1n tr\u00ean m\u1ea1ng.&quot;}\"><strong>Ch\u1eadm h\u01a1n:<\/strong> Hub th\u01b0\u1eddng c\u00f3 t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u ch\u1eadm h\u01a1n so v\u1edbi Switch, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi c\u00f3 nhi\u1ec1u thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i ho\u1eb7c khi c\u00f3 nhi\u1ec1u d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c truy\u1ec1n tr\u00ean m\u1ea1ng.<\/td>\n<td data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;Nhanh h\u01a1n: Switch c\u00f3 t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u nhanh h\u01a1n do kh\u00f4ng c\u1ea7n sao ch\u00e9p d\u1eef li\u1ec7u.&quot;}\"><strong>Nhanh h\u01a1n:<\/strong> Switch c\u00f3 t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u nhanh h\u01a1n do kh\u00f4ng c\u1ea7n sao ch\u00e9p d\u1eef li\u1ec7u.<\/td>\n<\/tr>\n<tr>\n<td data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;Hi\u1ec7u su\u1ea5t:&quot;}\">Hi\u1ec7u su\u1ea5t<\/td>\n<td data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;G\u00e2y t\u1eafc ngh\u1ebdn: Hub c\u00f3 th\u1ec3 g\u00e2y t\u1eafc ngh\u1ebdn m\u1ea1ng n\u1ebfu c\u00f3 qu\u00e1 nhi\u1ec1u thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i ho\u1eb7c n\u1ebfu c\u00f3 qu\u00e1 nhi\u1ec1u d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c truy\u1ec1n tr\u00ean m\u1ea1ng.&quot;}\"><strong>G\u00e2y t\u1eafc ngh\u1ebdn:<\/strong> Hub c\u00f3 th\u1ec3 g\u00e2y t\u1eafc ngh\u1ebdn m\u1ea1ng n\u1ebfu c\u00f3 qu\u00e1 nhi\u1ec1u thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i ho\u1eb7c n\u1ebfu c\u00f3 qu\u00e1 nhi\u1ec1u d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c truy\u1ec1n tr\u00ean m\u1ea1ng.<\/td>\n<td data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;\u00cdt t\u1eafc ngh\u1ebdn h\u01a1n: Switch \u00edt g\u00e2y t\u1eafc ngh\u1ebdn m\u1ea1ng h\u01a1n do ch\u1ec9 chuy\u1ec3n ti\u1ebfp d\u1eef li\u1ec7u \u0111\u1ebfn c\u1ed5ng \u0111\u00edch.&quot;}\"><strong>\u00cdt t\u1eafc ngh\u1ebdn h\u01a1n:<\/strong> Switch \u00edt g\u00e2y t\u1eafc ngh\u1ebdn m\u1ea1ng h\u01a1n do ch\u1ec9 chuy\u1ec3n ti\u1ebfp d\u1eef li\u1ec7u \u0111\u1ebfn c\u1ed5ng \u0111\u00edch.<\/td>\n<\/tr>\n<tr>\n<td data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;\u0110\u1ed9 tr\u1ec5:&quot;}\">\u0110\u1ed9 tr\u1ec5<\/td>\n<td data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;Cao h\u01a1n: Hub c\u00f3 \u0111\u1ed9 tr\u1ec5 cao h\u01a1n do c\u1ea7n th\u1eddi gian \u0111\u1ec3 sao ch\u00e9p d\u1eef li\u1ec7u.&quot;}\"><strong>Cao h\u01a1n:<\/strong> Hub c\u00f3 \u0111\u1ed9 tr\u1ec5 cao h\u01a1n do c\u1ea7n th\u1eddi gian \u0111\u1ec3 sao ch\u00e9p d\u1eef li\u1ec7u.<\/td>\n<td data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;Th\u1ea5p h\u01a1n: Switch c\u00f3 \u0111\u1ed9 tr\u1ec5 th\u1ea5p h\u01a1n do ch\u1ec9 chuy\u1ec3n ti\u1ebfp d\u1eef li\u1ec7u.&quot;}\"><strong>Th\u1ea5p h\u01a1n:<\/strong> Switch c\u00f3 \u0111\u1ed9 tr\u1ec5 th\u1ea5p h\u01a1n do ch\u1ec9 chuy\u1ec3n ti\u1ebfp d\u1eef li\u1ec7u.<\/td>\n<\/tr>\n<tr>\n<td data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;H\u1ed7 tr\u1ee3 QoS:&quot;}\">H\u1ed7 tr\u1ee3 QoS<\/td>\n<td data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;Kh\u00f4ng: Hub kh\u00f4ng h\u1ed7 tr\u1ee3 t\u00ednh n\u0103ng QoS (Quality of Service) \u0111\u1ec3 \u01b0u ti\u00ean c\u00e1c g\u00f3i d\u1eef li\u1ec7u quan tr\u1ecdng.&quot;}\"><strong>Kh\u00f4ng:<\/strong> Hub kh\u00f4ng h\u1ed7 tr\u1ee3 t\u00ednh n\u0103ng QoS (Quality of Service) \u0111\u1ec3 \u01b0u ti\u00ean c\u00e1c g\u00f3i d\u1eef li\u1ec7u quan tr\u1ecdng.<\/td>\n<td data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;C\u00f3: Switch c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 t\u00ednh n\u0103ng QoS \u0111\u1ec3 \u01b0u ti\u00ean c\u00e1c g\u00f3i d\u1eef li\u1ec7u quan tr\u1ecdng.&quot;}\"><strong>C\u00f3:<\/strong> Switch c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 t\u00ednh n\u0103ng QoS \u0111\u1ec3 \u01b0u ti\u00ean c\u00e1c g\u00f3i d\u1eef li\u1ec7u quan tr\u1ecdng.<\/td>\n<\/tr>\n<tr>\n<td data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;Gi\u00e1 th\u00e0nh:&quot;}\">Gi\u00e1 th\u00e0nh<\/td>\n<td data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;R\u1ebb h\u01a1n: Hub th\u01b0\u1eddng r\u1ebb h\u01a1n so v\u1edbi Switch.&quot;}\"><strong>R\u1ebb h\u01a1n:<\/strong> Hub th\u01b0\u1eddng r\u1ebb h\u01a1n so v\u1edbi Switch.<\/td>\n<td data-sheets-value=\"{&quot;1&quot;:2,&quot;2&quot;:&quot;M\u1eafc h\u01a1n: Switch th\u01b0\u1eddng \u0111\u1eaft h\u01a1n so v\u1edbi Hub.&quot;}\"><strong>M\u1eafc h\u01a1n:<\/strong> Switch th\u01b0\u1eddng \u0111\u1eaft h\u01a1n so v\u1edbi Hub.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>M\u1ed9t s\u1ed1 c\u00e2u h\u1ecfi li\u00ean quan \u0111\u1ebfn Hub<\/h2>\n<p>Ngo\u00e0i nh\u1eefng n\u1ed9i dung m\u00e0 ch\u00fang ta \u0111\u00e3 t\u00ecm hi\u1ec3u v\u1ec1 Hub nh\u01b0 c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng, \u1ee9ng d\u1ee5ng hay \u01b0u nh\u01b0\u1ee3c \u0111i\u1ec3m. Th\u00ec trong n\u1ed9i dung ti\u1ebfp theo ngay sau \u0111\u00e2y, Ho\u00e0ng H\u00e0 Mobile s\u1ebd ti\u1ebfp t\u1ee5c gi\u00fap b\u1ea1n \u0111\u1ecdc gi\u1ea3i \u0111\u00e1p m\u1ed9t s\u1ed1 th\u1eafc m\u1eafc xung quanh thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i m\u1ea1ng quen thu\u1ed9c n\u00e0y.<\/p>\n<h3>Class Hub l\u00e0 g\u00ec?<\/h3>\n<p>Class Hub l\u00e0 thu\u1eadt ng\u1eef d\u00f9ng \u0111\u1ec3 ph\u00e2n lo\u1ea1i Hub d\u1ef1a tr\u00ean t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u v\u00e0 \u0111\u1ed9 tr\u1ec5 t\u1ed1i \u0111a m\u00e0 n\u00f3 h\u1ed7 tr\u1ee3. Hi\u1ec7n nay, c\u00f3 hai lo\u1ea1i Class Hub ph\u1ed5 bi\u1ebfn l\u00e0 Class 1 Hub v\u00e0 Class 2 Hub. Class 1 Hub c\u00f3 \u0111\u1ed9 tr\u1ec5 t\u1ed1i \u0111a l\u00e0 140 bit time, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u 10 Mbps. Class 2 Hub c\u00f3 \u0111\u1ed9 tr\u1ec5 t\u1ed1i \u0111a l\u00e0 92 bit time, t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u 100 Mbps.<\/p>\n<p><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/07\/hub-la-gi-8.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/07\/hub-la-gi-8-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/07\/hub-la-gi-8-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-365700 aligncenter webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/07\/hub-la-gi-8.jpg\" alt=\"hub-la-gi-so-sanh-hub-va-switch-8\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/07\/hub-la-gi-8.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/07\/hub-la-gi-8-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/07\/hub-la-gi-8-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p data-sourcepos=\"15:1-15:70\">Ngo\u00e0i Class 1 Hub v\u00e0 Class 2 Hub, c\u00f2n c\u00f3 m\u1ed9t s\u1ed1 lo\u1ea1i Hub kh\u00e1c nh\u01b0:<\/p>\n<ul data-sourcepos=\"17:1-18:37\">\n<li data-sourcepos=\"17:1-17:90\"><strong>Hub t\u1ed1c \u0111\u1ed9 gigabit:<\/strong> H\u1ed7 tr\u1ee3 t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u l\u00ean \u0111\u1ebfn 1 Gbps (Gigabit per second)<\/li>\n<li data-sourcepos=\"18:1-18:37\"><strong>Hub Turbo:<\/strong> H\u1ed7 tr\u1ee3 t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u cao h\u01a1n 1 Gbps<\/li>\n<li data-sourcepos=\"19:1-20:0\"><strong>Hub PoE (Power over Ethernet):<\/strong> Cung c\u1ea5p ngu\u1ed3n \u0111i\u1ec7n cho c\u00e1c thi\u1ebft b\u1ecb PoE nh\u01b0 camera IP, \u0111i\u1ec7n tho\u1ea1i IP<\/li>\n<\/ul>\n<p>V\u1eady l\u00e0m sao \u0111\u1ec3 l\u1ef1a ch\u1ecdn Class Hub ph\u00f9 h\u1ee3p? N\u1ebfu b\u1ea1n ch\u1ec9 c\u1ea7n k\u1ebft n\u1ed1i m\u1ed9t v\u00e0i m\u00e1y t\u00ednh trong nh\u00e0 ho\u1eb7c v\u0103n ph\u00f2ng nh\u1ecf, Class 1 Hub c\u00f3 th\u1ec3 \u0111\u1ee7. Tuy nhi\u00ean, n\u1ebfu b\u1ea1n c\u1ea7n k\u1ebft n\u1ed1i nhi\u1ec1u thi\u1ebft b\u1ecb ho\u1eb7c c\u00f3 l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp cao, b\u1ea1n n\u00ean ch\u1ecdn Class 2 Hub ho\u1eb7c Hub t\u1ed1c \u0111\u1ed9 gigabit. N\u1ebfu b\u1ea1n ch\u1ec9 c\u1ea7n k\u1ebft n\u1ed1i m\u1ed9t v\u00e0i thi\u1ebft b\u1ecb, Class 1 Hub ho\u1eb7c Class 2 Hub c\u00f3 th\u1ec3 \u0111\u1ee7. Tuy nhi\u00ean, n\u1ebfu b\u1ea1n c\u1ea7n k\u1ebft n\u1ed1i nhi\u1ec1u thi\u1ebft b\u1ecb, b\u1ea1n n\u00ean ch\u1ecdn Hub c\u00f3 nhi\u1ec1u c\u1ed5ng h\u01a1n.<\/p>\n<h3>Dual Speed Hub l\u00e0 g\u00ec?<\/h3>\n<p data-sourcepos=\"9:1-9:74\">Dual Speed Hub l\u00e0 lo\u1ea1i Hub h\u1ed7 tr\u1ee3 c\u1ea3 hai t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u 10 Mbps v\u00e0 100 Mbps. Hub n\u00e0y c\u00f3 th\u1ec3 t\u1ef1 \u0111\u1ed9ng ph\u00e1t hi\u1ec7n t\u1ed1c \u0111\u1ed9 c\u1ee7a thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u00e0 truy\u1ec1n d\u1eef li\u1ec7u \u1edf t\u1ed1c \u0111\u1ed9 t\u1ed1i \u01b0u. Tuy nhi\u00ean, Dual Speed Hub c\u00f3 th\u1ec3 g\u1eb7p l\u1ed7i model trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p nh\u1ea5t \u0111\u1ecbnh. L\u1ed7i model x\u1ea3y ra khi m\u1ed9t thi\u1ebft b\u1ecb trong m\u1ea1ng kh\u00f4ng t\u01b0\u01a1ng th\u00edch v\u1edbi ti\u00eau chu\u1ea9n c\u1ee7a m\u1ea1ng.<\/p>\n<p data-sourcepos=\"9:1-9:74\">Trong tr\u01b0\u1eddng h\u1ee3p Dual Speed Hub, l\u1ed7i model c\u00f3 th\u1ec3 x\u1ea3y ra khi hai thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i v\u1edbi Hub c\u00f3 t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u kh\u00e1c nhau. V\u00ed d\u1ee5: n\u1ebfu m\u1ed9t thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i \u1edf c\u1ed5ng 10 Mbps v\u00e0 thi\u1ebft b\u1ecb kia \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i \u1edf c\u1ed5ng 100 Mbps, Hub c\u00f3 th\u1ec3 kh\u00f4ng th\u1ec3 truy\u1ec1n d\u1eef li\u1ec7u ch\u00ednh x\u00e1c gi\u1eefa hai thi\u1ebft b\u1ecb n\u00e0y.<\/p>\n<p style=\"text-align: center;\" data-sourcepos=\"9:1-9:74\"><picture><source srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/07\/hub-la-gi-5.jpg.webp 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/07\/hub-la-gi-5-300x169.jpg.webp 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/webp-express\/webp-images\/uploads\/2024\/07\/hub-la-gi-5-768x432.jpg.webp 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-365697 webpexpress-processed\" src=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/07\/hub-la-gi-5.jpg\" alt=\"hub-la-gi-so-sanh-hub-va-switch-5\" width=\"800\" height=\"450\" srcset=\"https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/07\/hub-la-gi-5.jpg 800w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/07\/hub-la-gi-5-300x169.jpg 300w, https:\/\/hoanghamobile.com\/tin-tuc\/wp-content\/uploads\/2024\/07\/hub-la-gi-5-768x432.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\"><\/picture><\/p>\n<p>Switch c\u00f3 c\u01a1 ch\u1ebf chuy\u1ec3n m\u1ea1ch gi\u00fap \u0111\u1ecbnh tuy\u1ebfn d\u1eef li\u1ec7u hi\u1ec7u qu\u1ea3 gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb c\u00f3 t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u kh\u00e1c nhau, do \u0111\u00f3, n\u00f3 c\u00f3 th\u1ec3 gi\u00fap kh\u1eafc ph\u1ee5c l\u1ed7i model. N\u1ebfu b\u1ea1n ch\u1ec9 c\u1ea7n k\u1ebft n\u1ed1i c\u00e1c thi\u1ebft b\u1ecb c\u00f3 t\u1ed1c \u0111\u1ed9 truy\u1ec1n d\u1eef li\u1ec7u 100 Mbps, b\u1ea1n n\u00ean s\u1eed d\u1ee5ng Hub Class 2 thay v\u00ec Dual Speed Hub. Ngo\u00e0i ra, m\u1ed9t s\u1ed1 nh\u00e0 s\u1ea3n xu\u1ea5t Hub cung c\u1ea5p b\u1ea3n c\u1eadp nh\u1eadt firmware gi\u00fap kh\u1eafc ph\u1ee5c l\u1ed7i model.<\/p>\n<h2>T\u1ea1m k\u1ebft<\/h2>\n<p data-sourcepos=\"7:1-7:317\">Qua n\u1ed9i dung t\u1ed5ng h\u1ee3p ch\u1ee7 \u0111\u1ec1 Hub l\u00e0 g\u00ec m\u00e0 <a href=\"https:\/\/hoanghamobile.com\/\">Ho\u00e0ng H\u00e0 Mobile<\/a> mang \u0111\u1ebfn ng\u00e0y h\u00f4m nay, ch\u00fang ta hi\u1ec3u \u0111\u01b0\u1ee3c Hub l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb m\u1ea1ng c\u01a1 b\u1ea3n ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t trung t\u00e2m k\u1ebft n\u1ed1i, cho ph\u00e9p nhi\u1ec1u thi\u1ebft b\u1ecb nh\u01b0 m\u00e1y t\u00ednh, m\u00e1y in, m\u00e1y qu\u00e9t, b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn,&#8230; chia s\u1ebb c\u00f9ng m\u1ed9t \u0111\u01b0\u1eddng truy\u1ec1n m\u1ea1ng.<\/p>\n<p data-sourcepos=\"7:1-7:317\">Hub c\u00f3 vai tr\u00f2 quan tr\u1ecdng trong vi\u1ec7c m\u1edf r\u1ed9ng m\u1ea1ng LAN, gi\u00fap ng\u01b0\u1eddi d\u00f9ng d\u1ec5 d\u00e0ng truy c\u1eadp v\u00e0 s\u1eed d\u1ee5ng c\u00e1c ngu\u1ed3n t\u00e0i nguy\u00ean chung trong m\u1ea1ng. Tuy nhi\u00ean, Hub c\u0169ng c\u00f3 m\u1ed9t s\u1ed1 h\u1ea1n ch\u1ebf nh\u1ea5t \u0111\u1ecbnh. Cho n\u00ean, vi\u1ec7c hi\u1ec3u r\u00f5 nh\u1eefng \u01b0u \u0111i\u1ec3m v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a Hub s\u1ebd gi\u00fap ng\u01b0\u1eddi d\u00f9ng l\u1ef1a ch\u1ecdn \u0111\u01b0\u1ee3c thi\u1ebft b\u1ecb ph\u00f9 h\u1ee3p v\u1edbi nhu c\u1ea7u s\u1eed d\u1ee5ng c\u1ee7a m\u00ecnh.<\/p>\n<p>XEM TH\u00caM:<\/p>\n<ul>\n<li><strong><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/slide-master\/\">Slide Master l\u00e0 g\u00ec? 2 c\u00e1ch t\u1ea1o Slide Master tr\u00ean PowerPoint \u1edf m\u00e1y t\u00ednh chi ti\u1ebft<\/a><\/strong><\/li>\n<li><strong><a href=\"https:\/\/hoanghamobile.com\/tin-tuc\/discord-la-gi\/\">Discord l\u00e0 g\u00ec? H\u01b0\u1edbng d\u1eabn c\u00e1ch s\u1eed d\u1ee5ng Discord cho ng\u01b0\u1eddi m\u1edbi<\/a><\/strong><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Hub l\u00e0 thi\u1ebft b\u1ecb m\u1ea1ng quen thu\u1ed9c \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 k\u1ebft n\u1ed1i nhi\u1ec1u thi\u1ebft b\u1ecb nh\u01b0 m\u00e1y t\u00ednh, m\u00e1y in, m\u00e1y qu\u00e9t,&#8230; trong c\u00f9ng m\u1ed9t m\u1ea1ng c\u1ee5c b\u1ed9 (LAN). Tuy nhi\u00ean, nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng v\u1eabn c\u00f2n nh\u1eefng th\u1eafc m\u1eafc v\u1ec1 c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng, \u01b0u nh\u01b0\u1ee3c \u0111i\u1ec3m v\u00e0 \u1ee9ng d\u1ee5ng c\u1ee7a Hub. B\u00e0i vi\u1ebft [&hellip;]<\/p>\n","protected":false},"author":75,"featured_media":365702,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16,412],"tags":[],"class_list":["post-364949","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>Hub l\u00e0 g\u00ec? C\u00e1ch ph\u00e2n bi\u1ec7t Hub v\u00e0 Switch<\/title>\n<meta name=\"description\" content=\"Trong b\u00e0i vi\u1ebft n\u00e0y ch\u00fang ta s\u1ebd c\u00f9ng \u0111i t\u00ecm hi\u1ec3u Hub l\u00e0 g\u00ec c\u0169ng nh\u01b0 c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng, \u01b0u v\u00e0 nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a thi\u1ebft b\u1ecb m\u1ea1ng quen thu\u1ed9c n\u00e0y.\" \/>\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\/hub-la-gi\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hub l\u00e0 g\u00ec? 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