{"id":768,"date":"2023-03-20T01:45:13","date_gmt":"2023-03-20T01:45:13","guid":{"rendered":"https:\/\/vtechsolutions.vn\/blog\/?p=768"},"modified":"2023-11-10T04:58:41","modified_gmt":"2023-11-10T04:58:41","slug":"bo-chuyen-mach-switch-la-gi","status":"publish","type":"post","link":"https:\/\/vtechsolutions.vn\/blog\/bo-chuyen-mach-switch-la-gi\/","title":{"rendered":"B\u1ed9 chuy\u1ec3n m\u1ea1ch switch l\u00e0 g\u00ec? Ph\u00e2n lo\u1ea1i thi\u1ebft b\u1ecb chuy\u1ec3n m\u1ea1ch Switch"},"content":{"rendered":"<p><a href=\"https:\/\/vtechsolutions.vn\/blog\/bo-chuyen-mach-switch-la-gi\/\">B\u1ed9 chuy\u1ec3n m\u1ea1ch switch<\/a> l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb quan tr\u1ecdng trong m\u1ea1ng \u0111\u1ec3 th\u1ef1c hi\u1ec7n k\u1ebft n\u1ed1i m\u1ea1ng theo m\u00f4 h\u00ecnh sao. V\u1eady vai tr\u00f2 c\u1ee5 th\u1ec3 c\u1ee7a <strong>b\u1ed9 chuy\u1ec3n m\u1ea1ch<\/strong> nh\u01b0 th\u1ebf n\u00e0o? Khi ph\u00e2n lo\u1ea1i c\u1ea7n d\u1ef1a theo nh\u1eefng t\u00ednh ch\u1ea5t n\u00e0o? C\u00f9ng t\u00ecm hi\u1ec3u qua b\u00e0i vi\u1ebft b\u00ean d\u01b0\u1edbi \u0111\u00e2y c\u00f9ng v\u1edbi ch\u00fang t\u00f4i nh\u00e9!<\/p>\n<div id=\"toc_container\" class=\"toc_light_blue no_bullets\"><p class=\"toc_title\">T&oacute;m t\u1eaft n\u1ed9i dung<\/p><ul class=\"toc_list\"><li><a href=\"#1_Bo_chuyen_mach_Switch_la_gi\">1\/ B\u1ed9 chuy\u1ec3n m\u1ea1ch Switch l\u00e0 g\u00ec?<\/a><\/li><li><a href=\"#2_Vai_tro_cua_bo_chuyen_mach_Switch_trong_he_thong_mang\">2\/ Vai tr\u00f2 c\u1ee7a b\u1ed9 chuy\u1ec3n m\u1ea1ch Switch trong h\u1ec7 th\u1ed1ng m\u1ea1ng<\/a><\/li><li><a href=\"#3_Phan_loai_thiet_bi_chuyen_mach_Switch\">3\/ Ph\u00e2n lo\u1ea1i thi\u1ebft b\u1ecb chuy\u1ec3n m\u1ea1ch Switch<\/a><ul><li><a href=\"#31_Phan_loai_theo_muc_do_can_thiep\">3.1\/ Ph\u00e2n lo\u1ea1i theo m\u1ee9c \u0111\u1ed9 can thi\u1ec7p<\/a><ul><li><a href=\"#311_Switch_khong_cau_hinh_duoc\">3.1.1\/ Switch kh\u00f4ng c\u1ea5u h\u00ecnh \u0111\u01b0\u1ee3c<\/a><\/li><li><a href=\"#312_Switch_cau_hinh_duoc\">3.1.2\/ Switch c\u1ea5u h\u00ecnh \u0111\u01b0\u1ee3c<\/a><\/li><\/ul><\/li><li><a href=\"#32_Phan_loai_theo_so_lop\">3.2\/ Ph\u00e2n lo\u1ea1i theo s\u1ed1 l\u1edbp<\/a><ul><li><a href=\"#321_Switch_Layer_1\">3.2.1\/ Switch Layer 1<\/a><\/li><li><a href=\"#322_Switch_Layer_2Layer_2\">3.2.2\/ Switch Layer 2\/Layer 2+<\/a><\/li><li><a href=\"#323_Switch_Layer_3\">3.2.3\/ Switch Layer 3<\/a><\/li><\/ul><\/li><li><a href=\"#33_Phan_loai_bo_chuyen_mach_switch_theo_cong_nghe\">3.3\/ Ph\u00e2n lo\u1ea1i b\u1ed9 chuy\u1ec3n m\u1ea1ch switch theo c\u00f4ng ngh\u1ec7<\/a><ul><li><a href=\"#331_Switch_Ethernet_POE\">3.3.1\/ Switch Ethernet POE<\/a><\/li><li><a href=\"#332_Switch_cong_quang\">3.3.2\/ Switch c\u1ed5ng quang<\/a><\/li><\/ul><\/li><li><a href=\"#34_Phan_loai_bo_chuyen_mach_switch_theo_vi_tri_hoat_dong\">3.4\/ Ph\u00e2n lo\u1ea1i b\u1ed9 chuy\u1ec3n m\u1ea1ch switch theo v\u1ecb tr\u00ed ho\u1ea1t \u0111\u1ed9ng<\/a><ul><li><a href=\"#341_Core_Switch_Chuyen_mach_chinh\">3.4.1\/ Core Switch (Chuy\u1ec3n m\u1ea1ch ch\u00ednh)<\/a><\/li><li><a href=\"#342_Access_Switch_Chuyen_mach_nhanh\">3.4.2\/ Access Switch (Chuy\u1ec3n m\u1ea1ch nh\u00e1nh)<\/a><\/li><\/ul><\/li><\/ul><\/li><li><a href=\"#4_So_sanh_giua_thiet_bi_bo_chuyen_mach_Switch_Hub_va_Router_khac_nhau_nhu_the_nao\">4\/ So s\u00e1nh gi\u1eefa thi\u1ebft b\u1ecb b\u1ed9 chuy\u1ec3n m\u1ea1ch Switch, Hub v\u00e0 Router kh\u00e1c nhau nh\u01b0 th\u1ebf n\u00e0o?<\/a><\/li><\/ul><\/div>\n<h2><span id=\"1_Bo_chuyen_mach_Switch_la_gi\"><strong>1\/ B\u1ed9 chuy\u1ec3n m\u1ea1ch Switch l\u00e0 g\u00ec?<\/strong><\/span><\/h2>\n<p><strong>B\u1ed9 chuy\u1ec3n m\u1ea1ch l\u00e0 g\u00ec<\/strong> hay <strong>b\u1ed9 chuy\u1ec3n m\u1ea1ch switch l\u00e0 g\u00ec<\/strong>, c\u00e2u tr\u1ea3 l\u1eddi \u0111\u00e2y l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb trong <a href=\"https:\/\/vtechsolutions.vn\/blog\/he-thong-mang-may-tinh-la-gi\/\">h\u1ec7 th\u1ed1ng m\u1ea1ng m\u00e1y t\u00ednh<\/a> \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 k\u1ebft n\u1ed1i c\u00e1c \u0111o\u1ea1n m\u1ea1ng v\u1edbi nhau trong h\u1ec7 th\u1ed1ng m\u1ea1ng thi\u1ebft k\u1ebf theo d\u1ea1ng h\u00ecnh sao.<\/p>\n<p>Trong m\u00f4 h\u00ecnh n\u00e0y, b\u1ed9 chuy\u1ec3n m\u1ea1ch switch \u0111\u00f3ng vai tr\u00f2 l\u00e0 thi\u1ebft b\u1ecb trung t\u00e2m, c\u00e1c thi\u1ebft b\u1ecb v\u1ec7 sinh kh\u00e1c bao g\u1ed3m c\u1ea3 PC \u0111\u1ec1u s\u1ebd k\u1ebft n\u1ed1i v\u1ec1 v\u1edbi switch.<\/p>\n<p>V\u1edbi s\u1ef1 ph\u00e1t tri\u1ec3n c\u1ee7a khoa h\u1ecdc c\u00f4ng ngh\u1ec7, c\u00e1c s\u1ea3n ph\u1ea9m switch hi\u1ec7n nay c\u00f2n \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 th\u00eam c\u00f4ng ngh\u1ec7 Full Duplex, \u0111i\u1ec1u n\u00e0y gi\u00fap ng\u01b0\u1eddi d\u0169ng d\u1ec5 d\u00e0ng m\u1edf r\u1ed9ng b\u0103ng th\u00f4ng cho \u0111\u01b0\u1eddng truy\u1ec1n, mang \u0111\u1ebfn tr\u1ea3i nghi\u1ec7m s\u1eed d\u1ee5ng t\u1ed1t h\u01a1n r\u1ea5t nhi\u1ec1u.<\/p>\n<p>V\u1eady <strong>b\u1ed9 chuy\u1ec3n m\u1ea1ch l\u00e0 th\u00e0nh ph\u1ea7n n\u00e0o c\u1ee7a m\u1ea1ng?<\/strong> B\u1ea1n c\u00f3 th\u1ec3 h\u00ecnh dung switch gi\u1ed1ng nh\u01b0 m\u1ed9t chi\u1ebfn s\u0129 CSGT chuy\u00ean \u0111i ph\u00e2n lu\u1ed3ng d\u1eef li\u1ec7u cho h\u1ec7 th\u1ed1ng m\u1ea1ng c\u1ee5c b\u1ed9. N\u00f3 s\u1ebd quy\u1ebft \u0111\u1ecbnh \u0111\u01b0\u1eddng d\u1eabn \u0111\u1ec3 chuy\u1ec3n frame, t\u1eeb \u0111\u00f3 gi\u00fap cho m\u1ea1ng LAN c\u1ee7a h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng \u0111\u01b0\u1ee3c \u1ed5n \u0111\u1ecbnh v\u00e0 t\u1ed1i \u01b0u h\u01a1n.<\/p>\n<p>Nh\u1edd v\u00e0o ch\u1ee9c n\u0103ng \u0111\u1ecdc \u0111\u1ecba ch\u1ec9 MAC ngu\u1ed3n trong frame, switch c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng nh\u1eadn bi\u1ebft \u0111\u01b0\u1ee3c c\u00e1c thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i v\u1edbi n\u00f3. Trong tr\u01b0\u1eddng h\u1ee3p 2 thi\u1ebft b\u1ecb li\u00ean l\u1ea1c v\u1edbi nhau, b\u1ed9 chuy\u1ec3n \u0111\u1ed5i switch s\u1ebd th\u1ef1c hi\u1ec7n nhi\u1ec7m v\u1ee5 thi\u1ebft l\u1eadp m\u1ea1ch \u1ea3o \u1edf 2 c\u1ed5ng t\u01b0\u01a1ng \u1ee9ng, tr\u00e1nh \u0111\u01b0\u1ee3c t\u00ecnh tr\u1ea1ng g\u00e2y \u1ea3nh h\u01b0\u1edfng t\u1edbi qu\u00e1 tr\u00ecnh l\u01b0u th\u00f4ng t\u1ea1i nh\u1eefng c\u1ed5ng kh\u00e1c.<\/p>\n<figure id=\"attachment_792\" aria-describedby=\"caption-attachment-792\" style=\"width: 974px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-792\" src=\"https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/03\/bo-chuyen-mach-switch-la-gi.jpg\" alt=\"b\u1ed9 chuy\u1ec3n m\u1ea1ch switch l\u00e0 g\u00ec\" width=\"974\" height=\"554\" srcset=\"https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/03\/bo-chuyen-mach-switch-la-gi.jpg 974w, https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/03\/bo-chuyen-mach-switch-la-gi-300x171.jpg 300w, https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/03\/bo-chuyen-mach-switch-la-gi-768x437.jpg 768w\" sizes=\"auto, (max-width: 974px) 100vw, 974px\" \/><figcaption id=\"caption-attachment-792\" class=\"wp-caption-text\">B\u1ed9 chuy\u1ec3n m\u1ea1ch Switch l\u00e0 g\u00ec?<\/figcaption><\/figure>\n<h2><span id=\"2_Vai_tro_cua_bo_chuyen_mach_Switch_trong_he_thong_mang\"><strong>2\/ Vai tr\u00f2 c\u1ee7a b\u1ed9 chuy\u1ec3n m\u1ea1ch Switch trong h\u1ec7 th\u1ed1ng m\u1ea1ng<\/strong><\/span><\/h2>\n<p>B\u1ed9 chuy\u1ec3n m\u1ea1ch Switch n\u1eafm gi\u1eef vai tr\u00f2 quan tr\u1ecdng trong m\u1ed9t h\u1ec7 th\u1ed1ng m\u1ea1ng, \u0111i\u1ec3n h\u00ecnh c\u00f3 th\u1ec3 k\u1ec3 \u0111\u1ebfn nh\u01b0:<\/p>\n<ul>\n<li>Kh\u1ea3 n\u0103ng t\u1ea1o \u0111\u01b0\u1eddng d\u1eabn \u1ea3o gi\u1eefa 2 thi\u1ebft b\u1ecb, \u0111\u1ea3m b\u1ea3o cung c\u1ea5p tr\u1ecdn b\u0103ng th\u00f4ng m\u00e0 kh\u00f4ng g\u00e2y \u1ea3nh h\u01b0\u1edfng t\u1edbi c\u00e1c k\u1ebft n\u1ed1i kh\u00e1c, gi\u00fap cho m\u1ea1ng LAN ho\u1ea1t \u0111\u1ed9ng m\u1ed9t c\u00e1ch \u1ed5n \u0111\u1ecbnh, \u0111\u1ea1t hi\u1ec7u qu\u1ea3 cao h\u01a1n.<\/li>\n<li>Switch t\u1ea1o \u0111i\u1ec1u ki\u1ec7n \u0111\u1ec3 c\u00e1c host ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 \u1edf c\u1ea3 ch\u1ebf \u0111\u1ed9 song c\u00f4ng, t\u1ee9c c\u00e1c host c\u00f3 th\u1ec3 nghe &#8211; n\u00f3i, \u0111\u1ecdc &#8211; ghi c\u00f9ng m\u1ed9t th\u1eddi \u0111i\u1ec3m.<\/li>\n<li>Switch gi\u1eef vai tr\u00f2 quy\u1ebft \u0111\u1ecbnh \u0111\u01b0\u1eddng truy\u1ec1n b\u0103ng th\u00f4ng, nh\u1edd v\u1eady m\u00e0 n\u00f3 ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 gi\u1edbi h\u1ea1n l\u01b0u l\u01b0\u1ee3ng truy\u1ec1n \u0111i \u1edf m\u1ed9t ng\u01b0\u1ee1ng nh\u1ea5t \u0111\u1ecbnh.<\/li>\n<li>B\u1ed9 chuy\u1ec3n m\u1ea1ch ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t b\u1ed9 \u0111i\u1ec1u khi\u1ec3n, cho ph\u00e9p c\u00e1c thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i, trao \u0111\u1ed5i v\u1edbi nhau, t\u1eeb \u0111\u00f3 gi\u00fap doanh nghi\u1ec7p d\u1ec5 d\u00e0ng ph\u00e2n b\u1ed5 ngu\u1ed3n l\u1ef1c, ti\u1ebft ki\u1ec7m chi ph\u00ed v\u00e0 n\u00e2ng cao hi\u1ec7u su\u1ea5t l\u00e0m vi\u1ec7c c\u1ee7a nh\u00e2n vi\u00ean\u2026.<\/li>\n<\/ul>\n<figure id=\"attachment_698\" aria-describedby=\"caption-attachment-698\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-698\" src=\"https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/03\/so-do-he-thong-mang-co-chuyen-mach-switch-poe.jpg\" alt=\"S\u01a1 \u0111\u1ed3 h\u1ec7 th\u1ed1ng m\u1ea1ng c\u00f3 chuy\u1ec3n m\u1ea1ch Switch POE\" width=\"900\" height=\"778\" srcset=\"https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/03\/so-do-he-thong-mang-co-chuyen-mach-switch-poe.jpg 955w, https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/03\/so-do-he-thong-mang-co-chuyen-mach-switch-poe-300x259.jpg 300w, https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/03\/so-do-he-thong-mang-co-chuyen-mach-switch-poe-768x664.jpg 768w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-698\" class=\"wp-caption-text\">B\u1ed9 chuy\u1ec3n m\u1ea1ch Switch n\u1eafm gi\u1eef vai tr\u00f2 quan tr\u1ecdng trong m\u1ed9t h\u1ec7 th\u1ed1ng m\u1ea1ng<\/figcaption><\/figure>\n<h2><span id=\"3_Phan_loai_thiet_bi_chuyen_mach_Switch\"><strong>3\/ Ph\u00e2n lo\u1ea1i thi\u1ebft b\u1ecb chuy\u1ec3n m\u1ea1ch Switch<\/strong><\/span><\/h2>\n<p>H\u1eb3n b\u1ea1n c\u0169ng \u0111\u00e3 bi\u1ebft thi\u1ebft b\u1ecb switch l\u00e0 g\u00ec r\u1ed3i ph\u1ea3i kh\u00f4ng? V\u1eady C\u00f3 nh\u1eefng c\u00e1ch n\u00e0o \u0111\u1ec3 ph\u00e2n bi\u1ec7t \u0111\u01b0\u1ee3c thi\u1ebft b\u1ecb <strong>switch chuy\u1ec3n m\u1ea1ch,<\/strong> d\u01b0\u1edbi \u0111\u00e2y l\u00e0 4 c\u00e1ch gi\u00fap b\u1ea1n ph\u00e2n bi\u1ec7t <strong>thi\u1ebft b\u1ecb chuy\u1ec3n m\u1ea1ch:<\/strong><\/p>\n<h3><span id=\"31_Phan_loai_theo_muc_do_can_thiep\"><strong>3.1\/ Ph\u00e2n lo\u1ea1i theo m\u1ee9c \u0111\u1ed9 can thi\u1ec7p<\/strong><\/span><\/h3>\n<h4><span id=\"311_Switch_khong_cau_hinh_duoc\"><strong>3.1.1\/ Switch kh\u00f4ng c\u1ea5u h\u00ecnh \u0111\u01b0\u1ee3c<\/strong><\/span><\/h4>\n<p>\u0110\u00e2y l\u00e0 d\u00f2ng switch m\u00e0 ng\u01b0\u1eddi d\u00f9ng kh\u00f4ng th\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c b\u01b0\u1edbc c\u1ea5u h\u00ecnh cho n\u00f3. Lo\u1ea1i switch n\u00e0y kh\u00e1 ti\u1ec7n l\u1ee3i, khi mua v\u1ec1 b\u1ea1n s\u1ebd kh\u00f4ng c\u1ea7n ph\u1ea3i loay ho\u1ea1ch c\u1ea5u h\u00ecnh hay c\u00e0i \u0111\u1eb7t g\u00ec, ch\u1ec9 vi\u1ec7c s\u1eed d\u1ee5ng m\u00e0 th\u00f4i.<\/p>\n<p>Switch kh\u00f4ng c\u1ea7u h\u00ecnh \u0111\u01b0\u1ee3c th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng trong nh\u1eefng h\u1ec7 th\u1ed1ng m\u1ea1ng c\u00f3 quy m\u00f4 nh\u1ecf, y\u00eau c\u1ea7u k\u1ebft n\u1ed1i c\u01a1 b\u1ea3n, \u00edt c\u1ed5ng, v\u00ed d\u1ee5 nh\u01b0 trong gia \u0111\u00ecnh, c\u1eeda h\u00e0ng nh\u1ecf,&#8230;<\/p>\n<h4><span id=\"312_Switch_cau_hinh_duoc\"><strong>3.1.2\/ Switch c\u1ea5u h\u00ecnh \u0111\u01b0\u1ee3c<\/strong><\/span><\/h4>\n<p>Switch c\u1ea5u h\u00ecnh \u0111\u01b0\u1ee3c l\u00e0 d\u00f2ng Switch cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng th\u1ef1c hi\u1ec7n c\u00e1c thao t\u00e1c c\u1ea5u h\u00ecnh cho n\u00f3. V\u1edbi thi\u1ebft b\u1ecb chuy\u1ec3n m\u1ea1ch Switch n\u00e0y th\u00ec b\u1ea1n s\u1ebd d\u1ec5 d\u00e0ng t\u00f9y ch\u1ec9nh c\u00e1c th\u00f4ng s\u1ed1 sao cho ph\u00f9 h\u1ee3p.<\/p>\n<p>M\u1ee5c \u0111\u00edch c\u1ee7a vi\u1ec7c c\u1ea5u h\u00ecnh cho Switch l\u00e0 \u0111\u1ec3 n\u00f3 \u0111\u00e1p \u1ee9ng nh\u1eefng y\u00eau c\u1ea7u c\u1ee7a ng\u01b0\u1eddi d\u00f9ng, gi\u00fap s\u1ea3n ph\u1ea9m ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3 h\u01a1n, \u0111\u1ed3ng th\u1eddi c\u0169ng gia t\u0103ng m\u1ee9c \u0111\u1ed9 b\u1ea3o m\u1eadt cho h\u1ec7 th\u1ed1ng m\u1ea1ng.<\/p>\n<h3><span id=\"32_Phan_loai_theo_so_lop\"><strong>3.2\/ Ph\u00e2n lo\u1ea1i theo s\u1ed1 l\u1edbp<\/strong><\/span><\/h3>\n<h4><span id=\"321_Switch_Layer_1\"><strong>3.2.1\/ Switch Layer 1<\/strong><\/span><\/h4>\n<p>Switch layer 1 hay c\u00f2n \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn v\u1edbi c\u00e1c t\u00ean g\u1ecdi kh\u00e1c nh\u01b0 Switch t\u1ea7ng 1 hay Switch l\u1edbp 1. N\u00f3 l\u00e0 m\u00f4 h\u00ecnh Switch c\u1ed5 nh\u1ea5t trong c\u00e1c lo\u1ea1i Switch ch\u1ec9 v\u1edbi 1 l\u1edbp c\u01a1 b\u1ea3n.<\/p>\n<p>To\u00e0n b\u1ed9 g\u00f3i tin \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o Switch l\u1edbp 1 t\u1eeb m\u1ed9t c\u1ed5ng \u0111\u1ec1u s\u1ebd \u0111\u01b0\u1ee3c \u201cl\u1eb7p \u0111i l\u1eb7p l\u1ea1i\u201d \u0111\u1ec3 g\u1eedi t\u1edbi t\u1ea5t c\u1ea3 nh\u1eefng thi\u1ebft b\u1ecb kh\u00e1c trong h\u1ec7 th\u1ed1ng m\u1ea1ng qua c\u00e1c c\u1ed5ng c\u00f2n l\u1ea1i. \u0110i\u1ec1u n\u00e0y s\u1ebd tr\u1ef1c ti\u1ebfp l\u00e0m gi\u1ea3m b\u0103ng th\u00f4ng tr\u00ean h\u1ec7 th\u1ed1ng m\u1ea1ng LAN, d\u1eabn \u0111\u1ec3 vi\u1ec7c dung l\u01b0\u1ee3ng chung c\u1ee7a Switch Layer 1 b\u1ecb gi\u1edbi h\u1ea1n.<\/p>\n<p>Do c\u00f3 nhi\u1ec1u nh\u01b0\u1ee3c \u0111i\u1ec3m n\u00ean t\u1edbi nh\u1eefng n\u0103m 2000 s\u1ea3n ph\u1ea9m Switch Layer 1 h\u1ea7u nh\u01b0 \u0111\u01b0\u1ee3c thay th\u1ebf b\u1eb1ng nh\u1eefng lo\u1ea1i kh\u00e1c v\u00e0 r\u1ea5t \u00edt ng\u01b0\u1eddi cung c\u1ea5p c\u0169ng nh\u01b0 s\u1eed d\u1ee5ng lo\u1ea1i Switch n\u00e0y.<\/p>\n<h4><span id=\"322_Switch_Layer_2Layer_2\"><strong>3.2.2\/ Switch Layer 2\/Layer 2+<\/strong><\/span><\/h4>\n<p><a href=\"https:\/\/vtechsolutions.vn\/blog\/chuyen-mach-switch-layer-2-la-gi\/\">Switch Layer 2<\/a> l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb chuy\u1ec3n m\u1ea1ch c\u00f3 kh\u1ea3 n\u0103ng truy c\u1eadp \u0111\u1ecba ch\u1ec9 MAC trong frame, cho ph\u00e9p c\u00e1c thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i chia s\u1ebb v\u00e0 truy\u1ec1n tin m\u00e0 kh\u00f4ng c\u1ea7n k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp v\u1edbi nhau.<\/p>\n<p>Switch Layer 2 c\u00f3 kh\u1ea3 n\u0103ng cho gi\u00fap c\u00e1c host ho\u1ea1t \u0111\u1ed9ng song song, d\u1ec5 d\u00e0ng th\u1ef1c hi\u1ec7n nhi\u1ec1u nhi\u1ec7m v\u1ee5 trong c\u00f9ng m\u1ed9t th\u1eddi gian. B\u00ean c\u1ea1nh \u0111\u00f3, n\u00f3 c\u0169ng kh\u00f4ng chia s\u1ebb b\u0103ng th\u00f4ng, gi\u00fap t\u1ed1c \u0111\u1ed9 truy\u1ec1n t\u1ea3i \u0111\u01b0\u1ee3c t\u1ed1i \u01b0u v\u00e0 \u0111\u1ea3m b\u1ea3o. \u0110\u1ed3ng th\u1eddi n\u00f3 c\u0169ng c\u00f3 t\u00e1c d\u1ee5ng gi\u1ea3m t\u1ef7 l\u1ec7 l\u1ed7i trong frame v\u1edbi t\u00ednh n\u0103ng l\u01b0u tr\u1eef v\u00e0 ki\u1ec3m tra l\u1ed7i \u0111\u1ed1i v\u1edbi c\u00e1c g\u00f3i tin tr\u01b0\u1edbc khi chuy\u1ec3n \u0111i.<\/p>\n<figure id=\"attachment_794\" aria-describedby=\"caption-attachment-794\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-794\" src=\"https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/03\/Switch-Layer-2.jpg\" alt=\"Switch Layer 2\" width=\"900\" height=\"447\" srcset=\"https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/03\/Switch-Layer-2.jpg 600w, https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/03\/Switch-Layer-2-300x149.jpg 300w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-794\" class=\"wp-caption-text\">Switch Layer 2\/Layer 2+<\/figcaption><\/figure>\n<h4><span id=\"323_Switch_Layer_3\"><strong>3.2.3\/ Switch Layer 3<\/strong><\/span><\/h4>\n<p><a href=\"https:\/\/vtechsolutions.vn\/blog\/chuyen-mach-switch-layer-3-la-gi\/\">Switch layer 3<\/a> v\u1ec1 c\u01a1 b\u1ea3n, ch\u00ednh l\u00e0 s\u1ef1 k\u1ebft h\u1ee3p kh\u1ea3 n\u0103ng \u0111\u1ecbnh tuy\u1ebfn cu\u0309a Router va\u0300 th\u00eam v\u00e0o \u0111\u00f3 l\u00e0 Switch layer 2 ti\u00eau chu\u1ea9n. S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh l\u00e0 gi\u1eefa ho\u1ea1t \u0111\u1ed9ng chuy\u1ec3n ti\u1ebfp g\u00f3i tin c\u1ee7a m\u1ed9t b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn v\u00e0 c\u1ea3 s\u1ef1 chuy\u1ec3n \u0111\u1ed5i l\u1edbp 3 l\u00e0 th\u1ef1c thi th\u1ef1c t\u1ebf.<\/p>\n<p>Trong c\u00e1c router c\u00f3 m\u1ee5c \u0111\u00edch chung, vi\u1ec7c chuy\u1ec3n ti\u1ebfp th\u01b0\u1eddng s\u1ebd \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n trong ph\u1ea7n m\u1ec1m ch\u1ea1y trong b\u1ed9 vi x\u1eed l\u00fd ho\u1eb7c c\u1ee7a b\u1ed9 x\u1eed l\u00fd m\u1ea1ng, trong khi \u0111\u00f3 c\u00f4ng t\u1eafc l\u1edbp 3 s\u1ebd th\u1ef1c hi\u1ec7n c\u00f9ng m\u1ed9t ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng ph\u1ea7n c\u1ee9ng m\u1ea1ch t\u00edch h\u1ee3p \u0111\u01b0\u1ee3c d\u00e0nh ri\u00eang cho \u1ee9ng d\u1ee5ng chuy\u00ean d\u1ee5ng (ASIC).<\/p>\n<p><strong>&gt;&gt;&gt; Xem th\u00eam:<\/strong> <a href=\"https:\/\/vtechsolutions.vn\/blog\/so-sanh-chuyen-mach-switch-layer-2-va-chuyen-mach-switch-layer-3\/#2_So_sanh_uu_nhuoc_diem_cua_Switch_Layer_2_Switch_layer_2_va_Switch_layer_3\">So s\u00e1nh \u01b0u nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a Switch Layer 2, Switch layer 2+ v\u00e0 Switch layer 3?<\/a><\/p>\n<figure id=\"attachment_790\" aria-describedby=\"caption-attachment-790\" style=\"width: 900px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-790\" src=\"https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/03\/Switch-Layer-3-e1680093653206.jpg\" alt=\"Switch Layer 3\" width=\"900\" height=\"492\" srcset=\"https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/03\/Switch-Layer-3-e1680093653206.jpg 600w, https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/03\/Switch-Layer-3-e1680093653206-300x164.jpg 300w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-790\" class=\"wp-caption-text\">Switch Layer 3<\/figcaption><\/figure>\n<h3><span id=\"33_Phan_loai_bo_chuyen_mach_switch_theo_cong_nghe\"><strong>3.3\/ Ph\u00e2n lo\u1ea1i b\u1ed9 chuy\u1ec3n m\u1ea1ch switch theo c\u00f4ng ngh\u1ec7<\/strong><\/span><\/h3>\n<h4><span id=\"331_Switch_Ethernet_POE\"><strong>3.3.1\/ Switch Ethernet POE<\/strong><\/span><\/h4>\n<p><a href=\"https:\/\/vtechsolutions.vn\/blog\/chuyen-mach-switch-poe-la-gi\/\">Switch Ethernet POE<\/a> \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn l\u00e0 m\u1ed9t lo\u1ea1i thi\u1ebft b\u1ecb c\u1ea5p ngu\u1ed3n th\u00f4ng qua c\u1ed5ng port Ethernet, n\u00f3 cho ph\u00e9p truy\u1ec1n t\u1ea3i ngu\u1ed3n v\u00e0 d\u1eef li\u1ec7u tr\u00ean m\u1ed9t s\u1ee3i c\u00e1p m\u1ea1ng (th\u00f4ng th\u01b0\u1eddng l\u00e0 Cable RJ45) \u0111\u1ebfn c\u00e1c thi\u1ebft b\u1ecb \u0111i\u1ec7n t\u1eed c\u00f9ng l\u00fac.<\/p>\n<p>Lo\u1ea1i Switch Ethernet POE \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng kh\u00e1 ph\u1ed5 bi\u1ebfn b\u1edfi n\u00f3 mang nhi\u1ec1u \u01b0u \u0111i\u1ec3m n\u1ed5i b\u1eadt nh\u01b0: \u0111\u1ea3m b\u1ea3o t\u00ednh linh ho\u1ea1t, \u0111\u1ed9 tin c\u1eady, t\u00ednh th\u1ea9m m\u1ef9 cao v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed l\u1eafp \u0111\u1eb7t c\u0169ng nh\u01b0 b\u1ea3o tr\u00ec.<\/p>\n<p>B\u1ea1n c\u00f3 th\u1ec3 b\u1eaft g\u1eb7p Switch Ethernet POE \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c h\u1ec7 th\u1ed1ng camera IP, \u0111i\u1ec7n tho\u1ea1i IP, smart home, h\u1ec7 th\u1ed1ng ch\u1ed1ng tr\u1ed9m &#8211; b\u00e1o ch\u00e1y, chu\u00f4ng c\u1eeda c\u00f3 h\u00ecnh, router wifi\u2026<\/p>\n<h4><span id=\"332_Switch_cong_quang\"><strong>3.3.2\/ Switch c\u1ed5ng quang<\/strong><\/span><\/h4>\n<p>Switch c\u1ed5ng quang hay Switch quang SFP l\u00e0 thi\u1ebft b\u1ecb chuy\u00ean d\u1ee5ng \u0111\u01b0\u1ee3c d\u00f9ng ph\u1ed5 bi\u1ebfn cho h\u1ec7 th\u1ed1ng camera IP, c\u00f3 nhi\u1ec7m v\u1ee5 cung c\u1ea5p ngu\u1ed3n \u0111i\u1ec7n v\u00e0 m\u1ea1ng cho h\u1ec7 th\u1ed1ng ho\u1ea1t \u0111\u1ed9ng.<\/p>\n<p>S\u1ef1 xu\u1ea5t hi\u1ec7n c\u1ee7a Switch c\u1ed5ng quang mang t\u1edbi gi\u1ea3i ph\u00e1p m\u1edbi cho ng\u01b0\u1eddi d\u00f9ng, thay v\u00ec ph\u1ea3i s\u1eed d\u1ee5ng c\u00f4ng ngh\u1ec7 c\u1ea5p ngu\u1ed3n qua c\u1ed5ng PoE th\u00ec v\u1edbi Switch quang SFP b\u1ea1n s\u1ebd kh\u00f4ng ph\u1ea3i \u0111i d\u00e2y ngu\u1ed3n cho camera c\u0169ng nh\u01b0 l\u01b0\u1ee3c b\u1ecf \u0111\u01b0\u1ee3c c\u00e1c thi\u1ebft b\u1ecb d\u00f9ng \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i ngu\u1ed3n camera. \u0110i\u1ec1u n\u00e0y gi\u00fap b\u1ea1n ti\u1ebft ki\u1ec7m t\u1ed1i \u0111a chi ph\u00ed, mang l\u1ea1i nhi\u1ec1u l\u1ee3i \u00edch m\u00e0 v\u1eabn \u0111\u1ea3m b\u1ea3o \u0111\u01b0\u1ee3c t\u00ednh n\u0103ng ho\u1ea1t \u0111\u1ed9ng c\u1ee7a to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng camera IP.<\/p>\n<h3><span id=\"34_Phan_loai_bo_chuyen_mach_switch_theo_vi_tri_hoat_dong\"><strong>3.4\/ Ph\u00e2n lo\u1ea1i b\u1ed9 chuy\u1ec3n m\u1ea1ch switch theo v\u1ecb tr\u00ed ho\u1ea1t \u0111\u1ed9ng<\/strong><\/span><\/h3>\n<h4><span id=\"341_Core_Switch_Chuyen_mach_chinh\"><strong>3.4.1\/ Core Switch (Chuy\u1ec3n m\u1ea1ch ch\u00ednh)<\/strong><\/span><\/h4>\n<p>Trong m\u1ed9t h\u1ec7 th\u1ed1ng switch \u0111\u1ec1u s\u1ebd c\u00f3 m\u1ed9t Core Switch t\u1ee9c l\u00e0 b\u1ed9 chuy\u1ec3n m\u1ea1ch ch\u00ednh c\u00f3 nhi\u1ec7m v\u1ee5 \u0111i\u1ec1u ph\u1ed1i th\u00f4ng tin \u0111\u1ebfn nh\u1eefng switch kh\u00e1c. \u0110\u1ed3ng th\u1eddi n\u00f3 c\u0169ng c\u00f3 vai tr\u00f2 qu\u1ea3n l\u00fd v\u00e0 k\u1ebft n\u1ed1i t\u1eadp trung c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c nhau trong c\u00f9ng m\u1ed9t h\u1ec7 th\u1ed1ng m\u1ea1ng.<\/p>\n<p>Core Switch \u0111\u01b0\u1ee3c v\u00ed nh\u01b0 &#8220;c\u1ed9t s\u1ed1ng&#8221; c\u1ee7a m\u1ed9t h\u1ec7 th\u1ed1ng m\u1ea1ng, n\u00f3 c\u00f3 th\u1ec3 \u0111\u00e1p \u1ee9ng \u0111\u01b0\u1ee3c nhu c\u1ea7u cao v\u1ec1 t\u1ed1c \u0111\u1ed9 v\u00e0 t\u00ednh b\u1ea3o m\u1eadt hay c\u1ea7n routing gi\u1eefa c\u00e1c VLan th\u00ec Core Switch ho\u00e0n to\u00e0n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n \u0111\u01b0\u1ee3c.<\/p>\n<h4><span id=\"342_Access_Switch_Chuyen_mach_nhanh\"><strong>3.4.2\/ Access Switch (Chuy\u1ec3n m\u1ea1ch nh\u00e1nh)<\/strong><\/span><\/h4>\n<p>N\u1ebfu nh\u01b0 Core Switch \u0111\u01b0\u1ee3c v\u00ed nh\u01b0 &#8220;c\u1ed9t s\u1ed1ng&#8221; th\u00ec Access Switch gi\u1ed1ng nh\u01b0 nh\u1eefng chi\u1ebfc \u201cx\u01b0\u01a1ng s\u01b0\u1eddn\u201d, c\u00f3 nhi\u1ec7m v\u1ee5 chia c\u1ed5ng v\u00e0 k\u1ebft n\u1ed1i c\u00e1c thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i.<\/p>\n<figure id=\"attachment_791\" aria-describedby=\"caption-attachment-791\" style=\"width: 1000px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-791\" src=\"https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/03\/phan-loai-bo-chuyen-mach-switch.jpg\" alt=\"ph\u00e2n lo\u1ea1i b\u1ed9 chuy\u1ec3n m\u1ea1ch switch\" width=\"1000\" height=\"420\" srcset=\"https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/03\/phan-loai-bo-chuyen-mach-switch.jpg 800w, https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/03\/phan-loai-bo-chuyen-mach-switch-300x126.jpg 300w, https:\/\/vtechsolutions.vn\/blog\/wp-content\/uploads\/2023\/03\/phan-loai-bo-chuyen-mach-switch-768x323.jpg 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><figcaption id=\"caption-attachment-791\" class=\"wp-caption-text\">Ph\u00e2n lo\u1ea1i b\u1ed9 chuy\u1ec3n m\u1ea1ch switch theo v\u1ecb tr\u00ed ho\u1ea1t \u0111\u1ed9ng<\/figcaption><\/figure>\n<h2><span id=\"4_So_sanh_giua_thiet_bi_bo_chuyen_mach_Switch_Hub_va_Router_khac_nhau_nhu_the_nao\"><strong>4\/ So s\u00e1nh gi\u1eefa thi\u1ebft b\u1ecb b\u1ed9 chuy\u1ec3n m\u1ea1ch Switch, Hub v\u00e0 Router kh\u00e1c nhau nh\u01b0 th\u1ebf n\u00e0o?<\/strong><\/span><\/h2>\n<p>\u0110\u1ebfn \u0111\u00e2y ch\u1eafc h\u1eb3n b\u1ea1n \u0111\u1ecdc \u0111\u00e3 hi\u1ec3u \u0111\u01b0\u1ee3c thi\u1ebft b\u1ecb chuy\u1ec3n m\u1ea1ch l\u00e0 g\u00ec, v\u1eady Switch, Hub v\u00e0 Router kh\u00e1c nhau nh\u01b0 th\u1ebf n\u00e0o?<\/p>\n<ul>\n<li>Switch v\u00e0 Hub l\u00e0 2 thi\u1ebft b\u1ecb \u0111\u00f3ng vai tr\u00f2 trung t\u00e2m, c\u00f3 ch\u1ee9c n\u0103ng k\u1ebft n\u1ed1i nhi\u1ec1u m\u00e1y t\u00ednh v\u1edbi 1 m\u1ea1ng m\u00e1y t\u00ednh. Tuy nhi\u00ean, m\u1ed7i thi\u1ebft b\u1ecb s\u1ebd \u00e1p d\u1ee5ng ph\u01b0\u01a1ng th\u1ee9c truy\u1ec1n tin kh\u00e1c nhau, trong khi Switch truy\u1ec1n tr\u1ef1c ti\u1ebfp t\u1edbi c\u1ed5ng k\u1ebft n\u1ed1i th\u00ec Hub l\u1ea1i truy\u1ec1n tin theo d\u1ea1ng Broadcast.<\/li>\n<li>Router kh\u00e1c h\u1eb3n v\u1edbi Switch v\u00e0 Hub, n\u00f3 l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb \u0111\u1ecbnh tuy\u1ebfn c\u00f3 t\u00e1c d\u1ee5ng k\u1ebft n\u1ed1i k\u1ebft n\u1ed1i 1 thi\u1ebft b\u1ecb v\u1edbi 1 m\u1ea1ng m\u00e1y t\u00ednh ho\u1eb7c t\u1eeb 2 m\u1ea1ng m\u00e1y t\u00ednh tr\u1edf l\u00ean v\u1edbi nhau.<\/li>\n<\/ul>\n<p>\u0110\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c c\u00e1i nh\u00ecn t\u1ed5ng quan nh\u1ea5t v\u1ec1 c\u00e1c thi\u1ebft b\u1ecb chuy\u1ec3n m\u1ea1ch n\u00e0y, ch\u00fang ta s\u1ebd c\u00f9ng theo d\u00f5i b\u1ea3ng so s\u00e1nh d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n<table>\n<tbody>\n<tr>\n<td>\n<p style=\"text-align: center;\"><strong>\u0110\u1eb7c \u0111i\u1ec3m<\/strong><\/p>\n<\/td>\n<td style=\"text-align: center;\"><strong>Switch<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>Hub<\/strong><\/td>\n<td style=\"text-align: center;\"><strong>Router<\/strong><\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: center;\"><strong>L\u1edbp<\/strong><\/p>\n<\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">L\u1edbp li\u00ean k\u1ebft d\u1eef li\u1ec7u<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">L\u1edbp v\u1eadt l\u00fd<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">L\u1edbp m\u1ea1ng<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><strong>C\u1ed5ng<\/strong><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">\u0110a d\u1ea1ng t\u1eeb 4 c\u1ed5ng t\u1edbi 48 c\u1ed5ng<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">4\/12 c\u1ed5ng<\/span><\/td>\n<td>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400;\">C\u1ed5ng 2\/4\/5\/8<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: center;\"><strong>Ch\u1ee9c n\u0103ng<\/strong><\/p>\n<\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Cho ph\u00e9p nhi\u1ec1u thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i v\u1edbi nhau, \u0111\u1ea3m nh\u1eadn vai tr\u00f2 qu\u1ea3n l\u00fd b\u1ea3o m\u1eadt c\u00e0i \u0111\u1eb7t Vlan, qu\u1ea3n l\u00fd c\u1ed5ng.<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Th\u00f4ng qua 1 trung t\u00e2m Hub \u0111\u1ec3 k\u1ebft n\u1ed1i 1 m\u1ea1ng m\u00e1y t\u00ednh v\u1edbi nhau<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Cho ph\u00e9p k\u1ebft n\u1ed1i d\u1eef li\u1ec7u gi\u1eefa 2 m\u1ea1ng kh\u00e1c nhau<\/span><\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: center;\"><strong>Lo\u1ea1i thi\u1ebft b\u1ecb<\/strong><\/p>\n<\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Thi\u1ebft b\u1ecb th\u00f4ng minh<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Thi\u1ebft b\u1ecb kh\u00f4ng th\u00f4ng minh<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Thi\u1ebft b\u1ecb th\u00f4ng minh<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><strong>Ki\u1ec3u truy\u1ec1n t\u1ea3i<\/strong><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Unicast\/Multicast<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Unicast\/multicast\/khung g\u1eadp\/ph\u00e1t s\u00f3ng<\/span><\/td>\n<td>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400;\">Ph\u00e1t s\u00f3ng \u1edf th\u1eddi \u0111i\u1ec3m \u0111\u1ea7u, sau \u0111\u00f3 chuy\u1ec3n sang Unicast\/multicast<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><strong>Ch\u1ebf \u0111\u1ed9 truy\u1ec1n<\/strong><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">M\u1ecdi thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i \u0111\u1ec1u c\u00f3 th\u1ec3 chia s\u1ebb th\u00f4ng tin, d\u1eef li\u1ec7u trong c\u00f9ng th\u1eddi \u0111i\u1ec3m<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Truy\u1ec1n 1:1 trong c\u00f9ng th\u1eddi \u0111i\u1ec3m<\/span><\/td>\n<td>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400;\">M\u1ecdi thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i \u0111\u1ec1u c\u00f3 th\u1ec3 chia s\u1ebb th\u00f4ng tin, d\u1eef li\u1ec7u trong c\u00f9ng th\u1eddi \u0111i\u1ec3m<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: center;\"><strong>T\u1ed1c \u0111\u1ed9<\/strong><\/p>\n<\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">10Mb, 100Mbps, 1Gbps<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">10Mb\/ gi\u00e2y<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">\u0110\u1ed1i v\u1edbi m\u1ea1ng kh\u00f4ng d\u00e2y: 1-100Mbps\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\u0110\u1ed1i v\u1edbi m\u1ea1ng c\u00f3 d\u00e2y: 100Mbps- 1Gbps<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><strong>Bi\u1ec3u m\u1eabu truy\u1ec1n d\u1eef li\u1ec7u<\/strong><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Khung v\u00e0 g\u00f3i<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">Bit ho\u1eb7c t\u00edn hi\u1ec7u \u0111i\u1ec7n<\/span><\/td>\n<td>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400;\">G\u00f3i<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td>\n<p style=\"text-align: center;\"><strong>D\u00f9ng trong LAN, MAN, WAN.<\/strong><\/p>\n<\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">LAN<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">LAN<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">LAN, MAN, WAN<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\"><strong>\u0110\u1ecba ch\u1ec9 d\u00f9ng khi truy\u1ec1n d\u1eef li\u1ec7u.<\/strong><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">MAC<\/span><\/td>\n<td style=\"text-align: center;\"><span style=\"font-weight: 400;\">MAC<\/span><\/td>\n<td>\n<p style=\"text-align: center;\"><span style=\"font-weight: 400;\">IP<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td><span style=\"font-weight: 400;\">L\u01b0u tr\u1eef \u0111\u1ecba ch\u1ec9<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110\u1ecba ch\u1ec9 MAC v\u00e0 \u0111\u1ecba ch\u1ec9 IP c\u1ee7a c\u00e1c n\u00fat d\u00f9ng trong m\u1ea1ng.<\/span><\/td>\n<td><span style=\"font-weight: 400;\">Kh\u00f4ng l\u01b0u tr\u1eef \u0111\u1ecba ch\u1ec9<\/span><\/td>\n<td><span style=\"font-weight: 400;\">\u0110\u1ecba ch\u1ec9 MAC v\u00e0 \u0111\u1ecba ch\u1ec9 IP c\u1ee7a c\u00e1c n\u00fat d\u00f9ng trong m\u1ea1ng.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Tr\u00ean \u0111\u00e2y l\u00e0 c\u00e1c th\u00f4ng tin v\u1ec1 B\u1ed9 chuy\u1ec3n m\u1ea1ch m\u00e0 ch\u00fang t\u00f4i mu\u1ed1n g\u1eedi \u0111\u1ebfn b\u1ea1n \u0111\u1ecdc. Hy v\u1ecdng qu\u00e1 \u0111\u00f3 s\u1ebd gi\u00fap b\u1ea1n n\u1eafm \u0111\u01b0\u1ee3c nh\u1eefng th\u00f4ng tin quan tr\u1ecdng v\u1ec1 b\u1ed9 chuy\u1ec3n m\u1ea1ch Switch. VTech l\u00e0 m\u1ed9t trong nh\u1eefng \u0111\u01a1n v\u1ecb uy t\u00edn tr\u00ean th\u1ecb tr\u01b0\u1eddng chuy\u00ean cung c\u1ea5p c\u00e1c d\u1ecbch v\u1ee5 l\u1eafp \u0111\u1eb7t h\u1ec7 th\u1ed1ng m\u1ea1ng ch\u1ea5t l\u01b0\u1ee3ng cao. Li\u00ean h\u1ec7 cho ch\u00fang t\u00f4i theo s\u1ed1 m\u00e1y hotline \u0111\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3i \u0111\u00e1p th\u00eam c\u00e1c th\u00f4ng tin nh\u00e9.<\/p>\n<p><strong>Tham kh\u1ea3o th\u00eam:<\/strong><\/p>\n<ul>\n<li><a href=\"https:\/\/vtechsolutions.vn\/blog\/access-point-la-gi\/#2_Chuc_nang_va_vai_tro_cua_Access_Point_trong_he_thong_mang\">Ch\u1ee9c n\u0103ng v\u00e0 vai tr\u00f2 c\u1ee7a Access Point trong h\u1ec7 th\u1ed1ng m\u1ea1ng<\/a><\/li>\n<li><a href=\"https:\/\/vtechsolutions.vn\/blog\/bo-dinh-tuyen-router-la-gi\/#5_Nen_lap_dat_bo_dinh_tuyen_Router_wifi_o_vi_tri_nao_de_co_song_manh\">N\u00ean l\u1eafp \u0111\u1eb7t b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn Router wifi \u1edf v\u1ecb tr\u00ed n\u00e0o \u0111\u1ec3 c\u00f3 s\u00f3ng m\u1ea1nh<\/a><\/li>\n<li><a href=\"https:\/\/vtechsolutions.vn\/blog\/thiet-bi-mang-bao-gom-nhung-gi-vai-tro-chuc-nang-cua-tung-thiet-bi-mang\/#3_Cac_thiet_bi_mang_co_ban_bao_gom_nhung_gi_Chuc_nang_cua_tung_thiet_bi_mang\">C\u00e1c thi\u1ebft b\u1ecb m\u1ea1ng c\u01a1 b\u1ea3n bao g\u1ed3m nh\u1eefng g\u00ec? Ch\u1ee9c n\u0103ng c\u1ee7a t\u1eebng thi\u1ebft b\u1ecb m\u1ea1ng<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>B\u1ed9 chuy\u1ec3n m\u1ea1ch switch l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb quan tr\u1ecdng trong m\u1ea1ng \u0111\u1ec3 th\u1ef1c hi\u1ec7n k\u1ebft n\u1ed1i m\u1ea1ng theo m\u00f4 h\u00ecnh sao. V\u1eady vai tr\u00f2 c\u1ee5 th\u1ec3 c\u1ee7a b\u1ed9 chuy\u1ec3n<\/p>\n","protected":false},"author":1,"featured_media":792,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[181,5],"tags":[],"class_list":["post-768","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-he-thong-thiet-bi-mang","category-tin-tuc"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>B\u1ed9 chuy\u1ec3n m\u1ea1ch switch l\u00e0 g\u00ec? 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