{"id":3420,"date":"2025-12-05T00:00:00","date_gmt":"2025-12-05T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/end-of-row-eor-switches-architecture-benefits-and-deployment\/"},"modified":"2026-06-22T08:57:17","modified_gmt":"2026-06-22T08:57:17","slug":"end-of-row-eor-switches-architecture-benefits-and-deployment","status":"publish","type":"post","link":"https:\/\/resources.l-p.com\/vi\/knowledge-center\/end-of-row-eor-switches-architecture-benefits-and-deployment","title":{"rendered":"End-of-Row (EoR) Switches Explained: Pros, Cons, and Best Practices"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1536\" height=\"1024\" src=\"https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/5543a60e877f4bd8a49caf8b5ff5f92b.png\" alt=\"EoR (End-of-Row) Switch\" class=\"wp-image-3414\" srcset=\"https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/5543a60e877f4bd8a49caf8b5ff5f92b.png 1536w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/5543a60e877f4bd8a49caf8b5ff5f92b-300x200.png 300w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/5543a60e877f4bd8a49caf8b5ff5f92b-1024x683.png 1024w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/5543a60e877f4bd8a49caf8b5ff5f92b-768x512.png 768w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/5543a60e877f4bd8a49caf8b5ff5f92b-18x12.png 18w\" sizes=\"(max-width: 1536px) 100vw, 1536px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u27a1\ufe0f EoR (Switch cu\u1ed1i h\u00e0ng) l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t <strong>Switch EoR (cu\u1ed1i h\u00e0ng)<\/strong> l\u00e0 m\u1ed9t switch m\u1ea1ng \u0111\u01b0\u1ee3c \u0111\u1eb7t \u1edf <strong>cu\u1ed1i h\u00e0ng t\u1ee7 m\u00e1y trung t\u00e2m d\u1eef li\u1ec7u<\/strong>, t\u1eadp h\u1ee3p c\u00e1c k\u1ebft n\u1ed1i t\u1eeb nhi\u1ec1u t\u1ee7 m\u00e1y ch\u1ee7 th\u00e0nh m\u1ed9t \u0111i\u1ec3m chuy\u1ec3n m\u1ea1ch t\u1eadp trung. T\u1ea5t c\u1ea3 m\u00e1y ch\u1ee7 trong h\u00e0ng \u0111\u1ec1u k\u1ebft n\u1ed1i v\u1edbi switch EoR th\u00f4ng qua h\u1ec7 th\u1ed1ng c\u00e1p ngang c\u00f3 c\u1ea5u tr\u00fac, th\u01b0\u1eddng l\u00e0 c\u00e1p \u0111\u1ed3ng (Cat6A) ho\u1eb7c c\u00e1p quang.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ki\u1ebfn tr\u00fac n\u00e0y l\u00e0m gi\u1ea3m s\u1ed1 l\u01b0\u1ee3ng switch c\u1ea7n thi\u1ebft v\u00e0 t\u1eadp trung h\u00f3a vi\u1ec7c qu\u1ea3n l\u00fd, do \u0111\u00f3 tr\u1edf th\u00e0nh m\u1ed9t thi\u1ebft k\u1ebf ph\u1ed5 bi\u1ebfn cho <strong>quy m\u00f4 l\u1edbn <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/resources.l-p.com\/vi\/knowledge-center\/what-is-a-data-center\/\"><strong>trung t\u00e2m d\u1eef li\u1ec7u<br><\/strong><\/a>, <strong>c\u01a1 s\u1edf doanh nghi\u1ec7p<\/strong>, and <strong>m\u00f4i tr\u01b0\u1eddng nh\u1ea5n m\u1ea1nh v\u00e0o t\u1ed5 ch\u1ee9c c\u00e1p v\u00e0 v\u1eadn h\u00e0nh \u0111\u01a1n gi\u1ea3n<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u27a1\ufe0f Ki\u1ebfn tr\u00fac End-of-Row (cu\u1ed1i h\u00e0ng) ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ki\u1ebfn tr\u00fac End-of-Row (cu\u1ed1i h\u00e0ng) tu\u00e2n theo m\u1ed9t <strong>thi\u1ebft k\u1ebf t\u1eadp trung h\u00f3a<\/strong>:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><p>M\u1ed7i t\u1ee7 m\u00e1y ch\u1ee7 s\u1eed d\u1ee5ng b\u1ea3ng \u0111\u1ea5u n\u1ed1i (patch panel) cho c\u00e1p ngang.<\/p><\/li>\n\n\n\n<li><p>C\u00e1c c\u00e1p t\u1eeb t\u1eebng t\u1ee7 ch\u1ea1y \u0111\u1ebfn cu\u1ed1i h\u00e0ng.<\/p><\/li>\n\n\n\n<li><p>M\u1ed9t b\u1ed9 switch EoR m\u1eadt \u0111\u1ed9 cao t\u1eadp h\u1ee3p to\u00e0n b\u1ed9 li\u00ean k\u1ebft m\u00e1y ch\u1ee7.<\/p><\/li>\n\n\n\n<li><p>C\u00e1c switch EoR k\u1ebft n\u1ed1i l\u00ean c\u00e1c switch l\u00f5i (core) ho\u1eb7c spine th\u00f4ng qua giao di\u1ec7n quang t\u1ed1c \u0111\u1ed9 cao nh\u01b0 <strong>40G, 100G ho\u1eb7c 400G<\/strong>.<\/p><\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh c\u1ee7a ki\u1ebfn tr\u00fac EoR<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>V\u1ecb tr\u00ed switch t\u1eadp trung<\/strong> \u2192 \u00edt switch h\u01a1n, d\u1ec5 ki\u1ec3m so\u00e1t h\u01a1n<\/p><\/li>\n\n\n\n<li><p><strong>C\u1ed5ng t\u1eadp h\u1ee3p m\u1eadt \u0111\u1ed9 cao<\/strong> \u2192 th\u01b0\u1eddng l\u00e0 10G, 25G, 40G, 100G<\/p><\/li>\n\n\n\n<li><p><strong>H\u1ec7 th\u1ed1ng c\u00e1p c\u00f3 c\u1ea5u tr\u00fac<\/strong> \u2192 c\u1ea3i thi\u1ec7n lu\u1ed3ng kh\u00ed v\u00e0 qu\u1ea3n l\u00fd c\u00e1p<\/p><\/li>\n\n\n\n<li><p><strong>T\u00ednh nh\u1ea5t qu\u00e1n gi\u1eefa c\u00e1c t\u1ee7<\/strong> \u2192 thu\u1eadn ti\u1ec7n cho tri\u1ec3n khai chu\u1ea9n h\u00f3a<\/p><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"401\" src=\"https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/8c80f8065c5245d3be260226c1d658df.jpg\" alt=\"End-of-Row Architecture\" class=\"wp-image-3415\" srcset=\"https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/8c80f8065c5245d3be260226c1d658df.jpg 1024w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/8c80f8065c5245d3be260226c1d658df-300x117.jpg 300w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/8c80f8065c5245d3be260226c1d658df-768x301.jpg 768w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/8c80f8065c5245d3be260226c1d658df-18x7.jpg 18w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">\u27a1\ufe0f \u01afu \u0111i\u1ec3m c\u1ee7a vi\u1ec7c chuy\u1ec3n m\u1ea1ch EoR (cu\u1ed1i h\u00e0ng)<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"> \u25b7 L\u1ee3i \u00edch v\u1eadn h\u00e0nh<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Qu\u1ea3n l\u00fd \u0111\u01a1n gi\u1ea3n h\u00f3a<\/strong>: T\u1ea5t c\u1ea3 switch cho m\u1ed9t h\u00e0ng \u0111\u1ec1u n\u1eb1m t\u1ea1i m\u1ed9t v\u1ecb tr\u00ed, gi\u00fap gi\u1ea3m th\u1eddi gian b\u1ea3o tr\u00ec v\u00e0 c\u1ea5u h\u00ecnh.<\/p><\/li>\n\n\n\n<li><p><strong>S\u1ed1 l\u01b0\u1ee3ng switch th\u1ea5p h\u01a1n<\/strong>: Kh\u00e1c v\u1edbi <a href=\"https:\/\/resources.l-p.com\/vi\/knowledge-center\/what-is-a-tor-top-of-rack-switch\/\" target=\"_blank\" rel=\"\">ToR (\u0111\u1ec9nh t\u1ee7)<\/a>, v\u1ed1n \u0111\u1eb7t m\u1ed9t switch tr\u00ean m\u1ed7i t\u1ee7, EoR t\u1eadp trung h\u00f3a s\u1ed1 l\u01b0\u1ee3ng thi\u1ebft b\u1ecb.<\/p><\/li>\n\n\n\n<li><p><strong>T\u1ed5 ch\u1ee9c t\u1ed1t h\u01a1n<\/strong>: \u00cdt l\u1ed9n x\u1ed9n h\u01a1n b\u00ean trong m\u1ed7i t\u1ee7 v\u00e0 \u0111i c\u00e1p g\u1ecdn g\u00e0ng h\u01a1n.<\/p><\/li>\n\n\n\n<li><p><strong>Ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng th\u1ea5p h\u01a1n tr\u00ean m\u1ed7i t\u1ee7<\/strong>: Kh\u00f4ng c\u1ea7n l\u1eafp \u0111\u1eb7t switch trong m\u1ecdi t\u1ee7.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"> \u25b7 L\u1ee3i \u00edch chi ph\u00ed<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>CAPEX th\u1ea5p h\u01a1n<\/strong>: \u00cdt switch ToR c\u1ea7n mua v\u00e0 b\u1ea3o tr\u00ec h\u01a1n.<\/p><\/li>\n\n\n\n<li><p><strong>Gi\u1ea3m t\u1ed3n kho ph\u1ee5 t\u00f9ng d\u1ef1 ph\u00f2ng<\/strong>: M\u1ed9t m\u1eabu duy nh\u1ea5t cho m\u1ed7i h\u00e0ng, d\u1ec5 chu\u1ea9n h\u00f3a ph\u1ea7n c\u1ee9ng.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u27a1\ufe0f Nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a vi\u1ec7c chuy\u1ec3n m\u1ea1ch EoR<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">H\u1ea1n ch\u1ebf k\u1ef9 thu\u1eadt<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>\u0110\u1ed9 d\u00e0i c\u00e1p ngang l\u1edbn h\u01a1n<\/strong>: Chi ph\u00ed c\u00e1p t\u0103ng so v\u1edbi ki\u1ebfn tr\u00fac ToR.<\/p><\/li>\n\n\n\n<li><p><strong>Linh ho\u1ea1t k\u00e9m h\u01a1n<\/strong>: Vi\u1ec7c b\u1ed5 sung m\u00e1y ch\u1ee7 m\u1edbi \u0111\u00f2i h\u1ecfi k\u00e9o c\u00e1p d\u00e0i h\u01a1n.<\/p><\/li>\n\n\n\n<li><p><strong>Kh\u1ea3 n\u0103ng \u00f9n t\u1eafc<\/strong>: M\u1eadt \u0111\u1ed9 m\u00e1y ch\u1ee7 cao \u0111\u00f2i h\u1ecfi c\u00e1c b\u1ed9 chuy\u1ec3n m\u1ea1ch EoR c\u00f3 dung l\u01b0\u1ee3ng l\u1edbn.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1c y\u1ebfu t\u1ed1 m\u00f4i tr\u01b0\u1eddng<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Y\u00eau c\u1ea7u <strong>c\u00e1c gi\u00e1 c\u00e1p c\u00f3 c\u1ea5u tr\u00fac h\u01a1n<\/strong> and <strong>c\u00e1c tuy\u1ebfn \u0111i c\u00e1p<\/strong>.<\/p><\/li>\n\n\n\n<li><p>Kh\u1ed1i l\u01b0\u1ee3ng c\u00e1p c\u00f3 th\u1ec3 h\u1ea1n ch\u1ebf kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng trong t\u01b0\u01a1ng lai n\u1ebfu kh\u00f4ng l\u1eadp k\u1ebf ho\u1ea1ch ph\u00f9 h\u1ee3p.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u27a1\ufe0f EoR so v\u1edbi ToR: S\u1ef1 kh\u00e1c bi\u1ec7t l\u00e0 g\u00ec?<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">T\u1ed5ng quan v\u1ec1 ToR (Top-of-Rack)<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>B\u1ed9 chuy\u1ec3n m\u1ea1ch \u0111\u01b0\u1ee3c l\u1eafp \u0111\u1eb7t <strong>b\u00ean trong m\u1ed7i t\u1ee7 rack<\/strong>.<\/p><\/li>\n\n\n\n<li><p>C\u00e1p ng\u1eafn t\u1eeb m\u00e1y ch\u1ee7 \u0111\u1ebfn b\u1ed9 chuy\u1ec3n m\u1ea1ch (\u22643m DAC).<\/p><\/li>\n\n\n\n<li><p>C\u1ea7n nhi\u1ec1u b\u1ed9 chuy\u1ec3n m\u1ea1ch h\u01a1n tr\u00ean to\u00e0n b\u1ed9 trung t\u00e2m d\u1eef li\u1ec7u.<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Nh\u1eefng kh\u00e1c bi\u1ec7t ch\u00ednh<\/h3>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>Feature<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>EoR (End-of-Row)<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resources.l-p.com\/vi\/knowledge-center\/what-is-a-tor-top-of-rack-switch\/\">ToR (\u0111\u1ec9nh t\u1ee7)<\/a><\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>V\u1ecb tr\u00ed b\u1ed9 chuy\u1ec3n m\u1ea1ch<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Cu\u1ed1i m\u1ed7i h\u00e0ng<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>B\u00ean trong m\u1ed7i t\u1ee7 rack<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>S\u1ed1 l\u01b0\u1ee3ng b\u1ed9 chuy\u1ec3n m\u1ea1ch<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u00cdt h\u01a1n<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Nhi\u1ec1u<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Chi\u1ec1u d\u00e0i c\u00e1p<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>D\u00e0i h\u01a1n<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>R\u1ea5t ng\u1eafn<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Chi ph\u00ed c\u00e1p<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Higher<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Lower<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Moderate<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>R\u1ea5t cao<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Qu\u1ea3n l\u00fd<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u1eadp trung<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ph\u00e2n t\u00e1n<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>Ph\u00f9 h\u1ee3p nh\u1ea5t cho<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>C\u00e1c m\u00f4i tr\u01b0\u1eddng c\u00e1p c\u00f3 c\u1ea5u tr\u00fac quy m\u00f4 l\u1edbn<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Trung t\u00e2m d\u1eef li\u1ec7u hi\u1ec7n \u0111\u1ea1i m\u1eadt \u0111\u1ed9 cao<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">T\u00f3m t\u1eaft<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>EoR = \u00edt b\u1ed9 chuy\u1ec3n m\u1ea1ch h\u01a1n, nhi\u1ec1u c\u00e1p h\u01a1n<\/strong><\/p><\/li>\n\n\n\n<li><p><strong>ToR = nhi\u1ec1u b\u1ed9 chuy\u1ec3n m\u1ea1ch h\u01a1n, \u00edt c\u00e1p h\u01a1n, m\u1edf r\u1ed9ng nhanh h\u01a1n<\/strong><\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u27a1\ufe0f Khi n\u00e0o ki\u1ebfn tr\u00fac EoR l\u00e0 ph\u00f9 h\u1ee3p? <\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">EoR l\u00fd t\u01b0\u1edfng cho c\u00e1c m\u00f4i tr\u01b0\u1eddng c\u1ea7n:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Qu\u1ea3n l\u00fd t\u1eadp trung b\u1ed9 chuy\u1ec3n m\u1ea1ch<\/strong><\/p><\/li>\n\n\n\n<li><p><strong>H\u1ec7 th\u1ed1ng c\u00e1p c\u00f3 c\u1ea5u tr\u00fac d\u00e0i h\u1ea1n<\/strong><\/p><\/li>\n\n\n\n<li><p><strong>\u00cdt thi\u1ebft b\u1ecb m\u1ea1ng c\u1ea7n b\u1ea3o tr\u00ec<\/strong><\/p><\/li>\n\n\n\n<li><p><strong>M\u1ee9c ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng tr\u00ean m\u1ed7i t\u1ee7 rack th\u1ea5p h\u01a1n<\/strong><\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1c k\u1ecbch b\u1ea3n tri\u1ec3n khai \u0111i\u1ec3n h\u00ecnh<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Trung t\u00e2m d\u1eef li\u1ec7u doanh nghi\u1ec7p quy m\u00f4 v\u1eeba v\u00e0 l\u1edbn<\/p><\/li>\n\n\n\n<li><p>C\u01a1 s\u1edf c\u1ee7a ch\u00ednh ph\u1ee7, t\u00e0i ch\u00ednh v\u00e0 s\u1ea3n xu\u1ea5t<\/p><\/li>\n\n\n\n<li><p>Trung t\u00e2m d\u1eef li\u1ec7u thu\u00ea ngo\u00e0i (co-location) v\u1edbi b\u1ed1 tr\u00ed t\u1ee7 rack d\u1ef1 \u0111o\u00e1n \u0111\u01b0\u1ee3c<\/p><\/li>\n\n\n\n<li><p>C\u00e1c khu v\u1ef1c d\u1eef li\u1ec7u s\u1eed d\u1ee5ng h\u1ec7 th\u1ed1ng c\u00e1p ngang m\u1eadt \u0111\u1ed9 cao<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u27a1\ufe0f C\u00e1ch tri\u1ec3n khai ki\u1ebfn tr\u00fac b\u1ed9 chuy\u1ec3n m\u1ea1ch EoR<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u2666 Khung tri\u1ec3n khai t\u1eebng b\u01b0\u1edbc<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">X\u00e1c \u0111\u1ecbnh y\u00eau c\u1ea7u b\u0103ng th\u00f4ng<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>T\u1ed1c \u0111\u1ed9 truy c\u1eadp m\u00e1y ch\u1ee7: <strong>1G \/ 10G \/ 25G<\/strong><\/p><\/li>\n\n\n\n<li><p>T\u00edch h\u1ee3p k\u1ebft n\u1ed1i l\u00ean (uplink): <strong>40G \/ 100G \/ 400G<\/strong><\/p><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Ch\u1ecdn b\u1ed9 chuy\u1ec3n m\u1ea1ch EoR m\u1eadt \u0111\u1ed9 cao<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1eadp trung v\u00e0o:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>48 c\u1ed5ng 10G\/25G<\/p><\/li>\n\n\n\n<li><p>6\u20138 c\u1ed5ng uplink 40G\/100G<\/p><\/li>\n\n\n\n<li><p>H\u1ed7 tr\u1ee3 MLAG\/VPC, BGP, VXLAN, EVPN<\/p><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">L\u1eadp k\u1ebf ho\u1ea1ch c\u00e1p c\u00f3 c\u1ea5u tr\u00fac<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>S\u1ee3i quang cho c\u00e1c \u0111o\u1ea1n c\u00e1p d\u00e0i<\/p><\/li>\n\n\n\n<li><p>C\u00e1p Cat6A cho kho\u1ea3ng c\u00e1ch \u2264100m<\/p><\/li>\n\n\n\n<li><p>S\u1eed d\u1ee5ng c\u00e1c tuy\u1ebfn c\u00e1p ngang v\u00e0 c\u00e1p trunk<\/p><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Ch\u1ecdn b\u1ed9 thu ph\u00e1t quang v\u00e0 c\u00e1p DAC\/AOC t\u01b0\u01a1ng th\u00edch<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">(\u0110\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb b\u00ean d\u01b0\u1edbi)<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"608\" src=\"https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/83e0dab058ce4d1096d8ba1b43596051-1024x608.webp\" alt=\"AOC vs DAC\" class=\"wp-image-3416\" srcset=\"https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/83e0dab058ce4d1096d8ba1b43596051-1024x608.webp 1024w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/83e0dab058ce4d1096d8ba1b43596051-300x178.webp 300w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/83e0dab058ce4d1096d8ba1b43596051-768x456.webp 768w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/83e0dab058ce4d1096d8ba1b43596051-18x12.webp 18w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/83e0dab058ce4d1096d8ba1b43596051.webp 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">Tri\u1ec3n khai d\u1ef1 ph\u00f2ng<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u1eb7p b\u1ed9 chuy\u1ec3n m\u1ea1ch EoR k\u00e9p<\/p><\/li>\n\n\n\n<li><p>K\u1ebft n\u1ed1i l\u00ean ho\u1ea1t \u0111\u1ed9ng \u0111\u1ed3ng th\u1eddi (active-active)<\/p><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Ki\u1ec3m tra \u0111\u1ed9 tr\u1ec5, th\u00f4ng l\u01b0\u1ee3ng v\u00e0 kh\u1ea3 n\u0103ng chuy\u1ec3n \u0111\u1ed5i khi s\u1ef1 c\u1ed1<\/h4>\n\n\n\n<h3 class=\"wp-block-heading\">\u2666 B\u1ed9 thu ph\u00e1t quang v\u00e0 c\u00e1p \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb cho EoR<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">LINK-PP cung c\u1ea5p gi\u1ea3i ph\u00e1p chi ph\u00ed hi\u1ec7u qu\u1ea3 v\u00e0 ho\u00e0n to\u00e0n t\u01b0\u01a1ng th\u00edch <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\">optical transceivers<\/a> v\u1edbi c\u00e1c nh\u00e0 cung c\u1ea5p ph\u1ed5 bi\u1ebfn.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/a7eee8e57b854418ab091174599c2d09.webp\" alt=\"Optical Transceivers\" class=\"wp-image-3417\" srcset=\"https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/a7eee8e57b854418ab091174599c2d09.webp 1200w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/a7eee8e57b854418ab091174599c2d09-300x178.webp 300w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/a7eee8e57b854418ab091174599c2d09-1024x608.webp 1024w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/a7eee8e57b854418ab091174599c2d09-768x456.webp 768w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/a7eee8e57b854418ab091174599c2d09-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">C\u00e1c module 10G \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb cho l\u1edbp truy c\u1eadp EoR<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a href=\"https:\/\/www.l-p.com\/products\/475415.htm\" target=\"_blank\" rel=\"\"><strong>10GBASE-SR SFP+<\/strong><\/a><strong> (850nm, 300m)<\/strong><\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/www.l-p.com\/products\/475586.htm\" target=\"_blank\" rel=\"\"><strong>10GBASE-LR SFP+<\/strong><\/a><strong> (1310nm, 10km)<\/strong><\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/www.l-p.com\/products\/476054.htm\" target=\"_blank\" rel=\"\"><strong>10GBASE-ER SFP+<\/strong><\/a><strong> (1550nm, 40km)<\/strong><\/p><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">C\u00e1c module 25G \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a href=\"https:\/\/www.l-p.com\/products\/476099.htm\" target=\"_blank\" rel=\"\"><strong>25GBASE-SR SFP28<\/strong><\/a><\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/www.l-p.com\/products\/491477.htm\" target=\"_blank\" rel=\"\"><strong>25GBASE-LR SFP28<\/strong><\/a><\/p><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">C\u00e1c m\u00f4-\u0111un k\u1ebft n\u1ed1i l\u00ean \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb (40G \/ 100G)<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a href=\"https:\/\/www.l-p.com\/products\/491483.htm\" target=\"_blank\" rel=\"\"><strong>40GBASE-SR4 QSFP+<\/strong><\/a><\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/www.l-p.com\/products\/482604.htm\" target=\"_blank\" rel=\"\"><strong>40GBASE-LR4 QSFP+<\/strong><\/a><\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/www.l-p.com\/products\/473140.htm\" target=\"_blank\" rel=\"\"><strong>100GBASE-SR4 QSFP28<\/strong><\/a><\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/www.l-p.com\/products\/488452.htm\" target=\"_blank\" rel=\"\"><strong>100GBASE-LR4 QSFP28<\/strong><\/a><\/p><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">H3. C\u00e1c c\u00e1p \u0111\u01b0\u1ee3c khuy\u1ebfn ngh\u1ecb<\/h4>\n\n\n\n<h5 class=\"wp-block-heading\"><strong>DAC (C\u00e1p g\u1eafn tr\u1ef1c ti\u1ebfp)<\/strong><\/h5>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/69f707c350c94527800b397f8a3e0999.webp\" alt=\"DAC (Direct Attach Cable)\" class=\"wp-image-3418\" srcset=\"https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/69f707c350c94527800b397f8a3e0999.webp 1200w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/69f707c350c94527800b397f8a3e0999-300x178.webp 300w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/69f707c350c94527800b397f8a3e0999-1024x608.webp 1024w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/69f707c350c94527800b397f8a3e0999-768x456.webp 768w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/69f707c350c94527800b397f8a3e0999-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>T\u1ed1t nh\u1ea5t cho c\u00e1c \u0111\u01b0\u1eddng ch\u1ea1y ng\u1eafn ToR\/EoR (\u22645 m)<\/p><\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\"><strong>AOC (C\u00e1p quang ch\u1ee7 \u0111\u1ed9ng)<\/strong><\/h5>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>L\u00fd t\u01b0\u1edfng cho c\u00e1c k\u1ebft n\u1ed1i t\u1ed5ng h\u1ee3p ho\u1eb7c k\u1ebft n\u1ed1i l\u00ean t\u1eeb 5\u201330 m<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1ea5t c\u1ea3 c\u00e1c s\u1ea3n ph\u1ea9m \u0111\u1ec1u <strong>t\u01b0\u01a1ng th\u00edch v\u1edbi OEM<\/strong>, <strong>\u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m tra<\/strong>, v\u00e0 ph\u00f9 h\u1ee3p v\u1edbi <strong>Cisco \/ HPE \/ Juniper \/ Dell \/ Arista<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">MTTR<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>EoR (End-of-Row)<\/strong> vi\u1ec7c chuy\u1ec3n m\u1ea1ch v\u1eabn l\u00e0 m\u1ed9t ki\u1ebfn tr\u00fac m\u1ea1nh m\u1ebd v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed cho c\u00e1c t\u1ed5 ch\u1ee9c nh\u1eb1m \u0111\u01a1n gi\u1ea3n h\u00f3a v\u1eadn h\u00e0nh, gi\u1ea3m s\u1ed1 l\u01b0\u1ee3ng b\u1ed9 chuy\u1ec3n m\u1ea1ch v\u00e0 qu\u1ea3n l\u00fd t\u1eadp trung. M\u1eb7c d\u00f9 ToR linh ho\u1ea1t h\u01a1n, EoR l\u1ea1i mang l\u1ea1i nh\u1eefng l\u1ee3i th\u1ebf \u0111\u00e1ng k\u1ec3 trong c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u v\u1eeba v\u00e0 l\u1edbn c\u00f3 h\u1ec7 th\u1ed1ng c\u00e1p c\u1ea5u tr\u00fac \u0111\u01b0\u1ee3c l\u1eadp k\u1ebf ho\u1ea1ch k\u1ef9 l\u01b0\u1ee1ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Khi tri\u1ec3n khai EoR, vi\u1ec7c l\u1ef1a ch\u1ecdn \u0111\u00fang <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\">optical transceivers<\/a>, <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-26454-dac-aoc-aec-cables.htm\">C\u00e1p DAC\/AOC<\/a>, v\u00e0 c\u00e1c k\u1ebft n\u1ed1i l\u00ean t\u1ed5ng h\u1ee3p l\u00e0 \u0111i\u1ec1u thi\u1ebft y\u1ebfu \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u n\u0103ng, \u0111\u1ed9 tin c\u1eady v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng\u2014nh\u1eefng l\u0129nh v\u1ef1c m\u00e0 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/\"><strong>LINK-PP<\/strong><\/a> cung c\u1ea5p c\u00e1c gi\u1ea3i ph\u00e1p ch\u1ea5t l\u01b0\u1ee3ng cao v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed.<\/p>","protected":false},"excerpt":{"rendered":"<p>Learn what EoR (End-of-Row) switches are, how the architecture works, its pros and cons, EoR vs ToR differences, deployment best practices, and recommended optical modules.<\/p>","protected":false},"author":1,"featured_media":3419,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[19,26],"class_list":["post-3420","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-center","tag-aoc-dac-cables","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/posts\/3420","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/comments?post=3420"}],"version-history":[{"count":3,"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/posts\/3420\/revisions"}],"predecessor-version":[{"id":10793,"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/posts\/3420\/revisions\/10793"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/media\/3419"}],"wp:attachment":[{"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/media?parent=3420"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/categories?post=3420"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/tags?post=3420"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}