{"id":5503,"date":"2025-08-07T00:00:00","date_gmt":"2025-08-07T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/router-vs-network-switch-key-differences-explained\/"},"modified":"2026-06-22T08:37:15","modified_gmt":"2026-06-22T08:37:15","slug":"router-vs-network-switch-key-differences-explained","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/router-vs-network-switch-key-differences-explained","title":{"rendered":"S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn v\u00e0 b\u1ed9 chuy\u1ec3n m\u1ea1ch m\u1ea1ng \u0111\u01b0\u1ee3c gi\u1ea3i th\u00edch"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8ae55cf0038a484fba1f87117c21646d.webp\" alt=\"Router vs Network Switch Key Differences Explained \" class=\"wp-image-5499\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8ae55cf0038a484fba1f87117c21646d.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8ae55cf0038a484fba1f87117c21646d-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8ae55cf0038a484fba1f87117c21646d-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8ae55cf0038a484fba1f87117c21646d-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8ae55cf0038a484fba1f87117c21646d-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Trong \u0111i\u1ec7u nh\u1ea3y ph\u1ee9c t\u1ea1p c\u1ee7a d\u1eef li\u1ec7u l\u00e0m n\u1ec1n t\u1ea3ng cho th\u1ebf gi\u1edbi k\u1ebft n\u1ed1i c\u1ee7a ch\u00fang ta, hai thi\u1ebft b\u1ecb \u0111\u1ee9ng \u0111\u1ea7u \u1edf t\u1ea7ng c\u01a1 s\u1edf c\u1ee7a g\u1ea7n nh\u01b0 m\u1ecdi m\u1ea1ng: <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/what-is-a-router-key-functions-types\/\"><strong>b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn<\/strong><\/a> v\u00e0 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/what-is-a-network-switch\/\"><strong>b\u1ed9 chuy\u1ec3n m\u1ea1ch<\/strong><\/a>. <span class=\"\u201chighlight\u201d\">b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn<\/span> v\u00e0 <span class=\"highlight\">b\u1ed9 chuy\u1ec3n m\u1ea1ch m\u1ea1ng<\/span>. M\u1eb7c d\u00f9 th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u1eb7t c\u1ea1nh nhau trong m\u1ed9t t\u1ee7 rack ho\u1eb7c gi\u1ea5u ph\u00eda sau b\u00e0n l\u00e0m vi\u1ec7c, vai tr\u00f2 c\u1ee7a ch\u00fang l\u1ea1i ho\u00e0n to\u00e0n kh\u00e1c bi\u1ec7t. Vi\u1ec7c nh\u1ea7m l\u1eabn gi\u1eefa hai thi\u1ebft b\u1ecb n\u00e0y l\u00e0 \u0111i\u1ec1u ph\u1ed5 bi\u1ebfn, nh\u01b0ng vi\u1ec7c hi\u1ec3u r\u00f5 \u201cb\u1ed9 \u0111\u1ecbnh tuy\u1ebfn so v\u1edbi b\u1ed9 chuy\u1ec3n m\u1ea1ch\u201d l\u00e0 v\u00f4 c\u00f9ng quan tr\u1ecdng \u0111\u1ed1i v\u1edbi b\u1ea5t k\u1ef3 ai thi\u1ebft k\u1ebf, kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 ho\u1eb7c \u0111\u01a1n gi\u1ea3n l\u00e0 t\u1ed1i \u01b0u h\u00f3a m\u1ea1ng \u2014 d\u00f9 \u0111\u00f3 l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng doanh nghi\u1ec7p quy m\u00f4 l\u1edbn hay v\u0103n ph\u00f2ng t\u1ea1i nh\u00e0 nh\u1ecf g\u1ecdn c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u01b0\u1edbng d\u1eabn n\u00e0y \u0111i s\u00e2u v\u00e0o <strong>s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn v\u00e0 b\u1ed9 chuy\u1ec3n m\u1ea1ch<\/strong>, gi\u1ea3i th\u00edch c\u00e1c ch\u1ee9c n\u0103ng c\u1ed1t l\u00f5i c\u1ee7a ch\u00fang, c\u00e1ch ch\u00fang ho\u1ea1t \u0111\u1ed9ng \u1edf c\u00e1c t\u1ea7ng kh\u00e1c nhau trong m\u00f4 h\u00ecnh OSI, v\u00e0 l\u00fd do v\u00ec sao b\u1ea1n tuy\u1ec7t \u0111\u1ed1i c\u1ea7n c\u1ea3 hai (ho\u1eb7c c\u00e1c thi\u1ebft b\u1ecb t\u00edch h\u1ee3p c\u1ea3 hai t\u00ednh n\u0103ng n\u00e0y) \u0111\u1ec3 c\u00f3 m\u1ed9t m\u1ea1ng ho\u1ea1t \u0111\u1ed9ng hi\u1ec7u qu\u1ea3. Ch\u00fang t\u00f4i c\u0169ng s\u1ebd \u0111\u1ec1 c\u1eadp \u0111\u1ebfn vai tr\u00f2 then ch\u1ed1t c\u1ee7a ch\u1ea5t l\u01b0\u1ee3ng ph\u1ea7n c\u1ee9ng, bao g\u1ed3m c\u1ea3 c\u00e1c module thu ph\u00e1t t\u01b0\u01a1ng th\u00edch nh\u01b0 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>c\u00e1c module quang LINK-PP<\/strong><\/a>, <span class=\"highlight\">transceiver<\/span>, nh\u1eb1m \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t cao nh\u1ea5t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\ud83d\udcdd B\u1ed9 chuy\u1ec3n m\u1ea1ch: Nh\u00e0 ch\u1ec9 huy m\u1ea1ng c\u1ee5c b\u1ed9 c\u1ee7a b\u1ea1n<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng m\u1ed9t v\u0103n ph\u00f2ng \u0111\u00f4ng \u0111\u00fac. <strong>b\u1ed9 chuy\u1ec3n m\u1ea1ch<\/strong> <span class=\"highlight\">B\u1ed9 chuy\u1ec3n m\u1ea1ch<\/span> ho\u1ea1t \u0111\u1ed9ng nh\u01b0 m\u1ed9t ph\u00f2ng b\u01b0u ch\u00ednh c\u1ef1c k\u1ef3 hi\u1ec7u qu\u1ea3 v\u00e0 th\u00f4ng minh <em>trong<\/em> d\u00e0nh ri\u00eang cho m\u1ed9t t\u00f2a nh\u00e0 v\u0103n ph\u00f2ng duy nh\u1ea5t (m\u1ea1ng c\u1ee5c b\u1ed9 hay LAN c\u1ee7a b\u1ea1n). Nhi\u1ec7m v\u1ee5 ch\u00ednh c\u1ee7a n\u00f3 l\u00e0 <strong>k\u1ebft n\u1ed1i c\u00e1c thi\u1ebft b\u1ecb v\u1edbi nhau tr\u00ean c\u00f9ng m\u1ed9t ph\u00e2n \u0111o\u1ea1n m\u1ea1ng<\/strong> v\u00e0 t\u1ea1o \u0111i\u1ec1u ki\u1ec7n cho vi\u1ec7c giao ti\u1ebfp tr\u1ef1c ti\u1ebfp gi\u1eefa ch\u00fang.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3ef9a0fab1ef4baea6585e0c1a89a57f.webp\" alt=\"network switch\" class=\"wp-image-5500\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3ef9a0fab1ef4baea6585e0c1a89a57f.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3ef9a0fab1ef4baea6585e0c1a89a57f-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3ef9a0fab1ef4baea6585e0c1a89a57f-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3ef9a0fab1ef4baea6585e0c1a89a57f-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/3ef9a0fab1ef4baea6585e0c1a89a57f-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px 0px 4px;\"><strong>C\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng (T\u1ea7ng 2 OSI \u2013 Li\u00ean k\u1ebft d\u1eef li\u1ec7u):<\/strong><\/p>\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\">H\u1ecdc \u0111\u1ecba ch\u1ec9 <strong>MAC (Media Access Control)<\/strong> c\u1ee7a m\u1ecdi thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c c\u1eafm v\u00e0o c\u00e1c c\u1ed5ng c\u1ee7a n\u00f3 (m\u00e1y t\u00ednh, m\u00e1y in, m\u00e1y ch\u1ee7, \u0111i\u1ec7n tho\u1ea1i IP c\u1ee7a b\u1ea1n). H\u00e3y coi \u0111\u1ecba ch\u1ec9 MAC nh\u01b0 m\u1ed9t s\u1ed1 s\u00ea-ri v\u1eadt l\u00fd duy nh\u1ea5t \u0111\u01b0\u1ee3c ghi c\u1ee9ng tr\u00ean card m\u1ea1ng c\u1ee7a thi\u1ebft b\u1ecb b\u1ea1n.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\">X\u00e2y d\u1ef1ng v\u00e0 duy tr\u00ec m\u1ed9t <strong>b\u1ea3ng \u0111\u1ecba ch\u1ec9 MAC<\/strong>, \u00e1nh x\u1ea1 thi\u1ebft b\u1ecb n\u00e0o \u0111ang k\u1ebft n\u1ed1i \u1edf c\u1ed5ng n\u00e0o.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\">Khi Thi\u1ebft b\u1ecb A (v\u00ed d\u1ee5: M\u00e1y t\u00ednh) mu\u1ed1n g\u1eedi d\u1eef li\u1ec7u t\u1edbi Thi\u1ebft b\u1ecb B (v\u00ed d\u1ee5: M\u00e1y in) <em>tr\u00ean c\u00f9ng m\u1ed9t LAN<\/em>, b\u1ed9 chuy\u1ec3n m\u1ea1ch s\u1ebd ki\u1ec3m tra \u0111\u1ecba ch\u1ec9 MAC \u0111\u00edch trong khung d\u1eef li\u1ec7u.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\">Sau \u0111\u00f3, n\u00f3 <strong>chuy\u1ec3n ti\u1ebfp d\u1eef li\u1ec7u m\u1ed9t c\u00e1ch th\u00f4ng minh <em>ch\u1ec9<\/em> ra c\u1ed5ng c\u1ee5 th\u1ec3<\/strong> n\u01a1i Thi\u1ebft b\u1ecb B \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i. \u0110\u00e2y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 <strong>d\u1eef li\u1ec7u trong v\u00e0 gi\u1eefa c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u. \u0110\u00f3 l\u00e0 v\u1ec1<\/strong>.<\/p><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><p style=\"margin: 0px 0px 4px;\"><strong>C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m n\u1ed5i b\u1eadt c\u1ee7a b\u1ed9 chuy\u1ec3n m\u1ea1ch:<\/strong><\/p>\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>T\u1ea1o m\u1ed9t mi\u1ec1n qu\u1ea3ng b\u00e1 (broadcast domain) duy nh\u1ea5t:<\/strong> Theo m\u1eb7c \u0111\u1ecbnh, l\u01b0u l\u01b0\u1ee3ng qu\u1ea3ng b\u00e1 (c\u00e1c tin nh\u1eafn g\u1eedi t\u1edbi <em>t\u1ea5t c\u1ea3<\/em> thi\u1ebft b\u1ecb tr\u00ean LAN) g\u1eedi \u0111\u1ebfn b\u1ed9 chuy\u1ec3n m\u1ea1ch s\u1ebd \u0111\u01b0\u1ee3c ph\u00e1t t\u00e1n ra t\u1ea5t c\u1ea3 c\u00e1c c\u1ed5ng (tr\u1eeb c\u1ed5ng m\u00e0 n\u00f3 \u0111\u1ebfn t\u1eeb \u0111\u00f3).<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>Ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ed1c \u0111\u1ed9 cao:<\/strong> C\u00e1c b\u1ed9 chuy\u1ec3n m\u1ea1ch hi\u1ec7n \u0111\u1ea1i (\u0111\u1eb7c bi\u1ec7t l\u00e0 Gigabit Ethernet tr\u1edf l\u00ean) cung c\u1ea5p b\u0103ng th\u00f4ng n\u1ed9i b\u1ed9 r\u1ea5t cao \u0111\u1ec3 truy\u1ec1n th\u00f4ng c\u1ee5c b\u1ed9 nhanh ch\u00f3ng.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>Vi ph\u00e2n \u0111o\u1ea1n (Microsegmentation):<\/strong> M\u1ed7i c\u1ed5ng chuy\u1ec3n m\u1ea1ch l\u00e0 m\u1ed9t <strong>mi\u1ec1n va ch\u1ea1m ri\u00eang<\/strong>, ngh\u0129a l\u00e0 c\u00e1c thi\u1ebft b\u1ecb kh\u00f4ng \u201cn\u00f3i ch\u1ed3ng l\u00ean nhau\u201d tr\u00ean d\u00e2y d\u1eabn nh\u01b0 \u1edf c\u00e1c b\u1ed9 chia n\u1ed1i (hub) c\u0169. Giao ti\u1ebfp hai chi\u1ec1u \u0111\u1ea7y \u0111\u1ee7 (full-duplex \u2013 g\u1eedi v\u00e0 nh\u1eadn \u0111\u1ed3ng th\u1eddi) l\u00e0 ti\u00eau chu\u1ea9n.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>C\u00e1c lo\u1ea1i:<\/strong> Kh\u00f4ng qu\u1ea3n l\u00fd (plug-and-play), C\u00f3 qu\u1ea3n l\u00fd (cung c\u1ea5p VLAN, QoS, t\u00ednh n\u0103ng b\u1ea3o m\u1eadt, gi\u00e1m s\u00e1t), B\u1ed9 chuy\u1ec3n m\u1ea1ch l\u1edbp 3 (Layer 3 Switches \u2013 b\u1ed5 sung kh\u1ea3 n\u0103ng \u0111\u1ecbnh tuy\u1ebfn c\u01a1 b\u1ea3n \u2013 s\u1ebd tr\u00ecnh b\u00e0y chi ti\u1ebft h\u01a1n sau!).<\/p><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\ud83d\udcdd B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn (Router): Ng\u01b0\u1eddi \u0111i\u1ec1u h\u01b0\u1edbng v\u00e0 c\u1ed5ng k\u1ebft n\u1ed1i m\u1ea1ng c\u1ee7a b\u1ea1n<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Gi\u1edd h\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng v\u0103n ph\u00f2ng \u0111\u00f3 c\u1ea7n g\u1eedi th\u01b0 <em>ra ngo\u00e0i<\/em> t\u00f2a nh\u00e0 \u2014 t\u1edbi m\u1ed9t v\u0103n ph\u00f2ng kh\u00e1c \u1edf c\u00e1ch xa trong th\u00e0nh ph\u1ed1 ho\u1eb7c th\u1eadm ch\u00ed qu\u1ed1c t\u1ebf. \u0110\u00f3 ch\u00ednh l\u00e0 <strong>nhi\u1ec7m v\u1ee5 c\u1ee7a b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn<\/strong> N\u00f3 k\u1ebft n\u1ed1i <em>c\u00e1c m\u1ea1ng kh\u00e1c nhau<\/em> v\u1edbi nhau v\u00e0 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh v\u1ec1 l\u1ed9 tr\u00ecnh t\u1ed1i \u01b0u nh\u1ea5t \u0111\u1ec3 d\u1eef li\u1ec7u di chuy\u1ec3n <em>gi\u1eefa<\/em> gi\u1eefa ch\u00fang. Vai tr\u00f2 ph\u1ed5 bi\u1ebfn nh\u1ea5t c\u1ee7a n\u00f3 l\u00e0 k\u1ebft n\u1ed1i <strong>M\u1ea1ng c\u1ee5c b\u1ed9 <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/local-area-network-lan-modern-networking-fast-secure-connections\/\"><strong>(LAN)<\/strong><\/a> v\u1edbi <strong>M\u1ea1ng di\u1ec7n r\u1ed9ng <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/what-is-a-wide-area-network\/\"><strong>(WAN)<\/strong><\/a>, th\u01b0\u1eddng l\u00e0 Internet.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"540\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7d91ffa6ee3241dda1d35d7d1cd20762.webp\" alt=\"router \" class=\"wp-image-5501\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7d91ffa6ee3241dda1d35d7d1cd20762.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7d91ffa6ee3241dda1d35d7d1cd20762-300x135.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7d91ffa6ee3241dda1d35d7d1cd20762-1024x461.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7d91ffa6ee3241dda1d35d7d1cd20762-768x346.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/7d91ffa6ee3241dda1d35d7d1cd20762-18x8.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px 0px 4px;\"><strong>C\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng (L\u1edbp 3 m\u00f4 h\u00ecnh OSI \u2013 L\u1edbp M\u1ea1ng):<\/strong><\/p>\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\">chuy\u1ec3n m\u1ea1ch ch\u1ecdn l\u1ecdc b\u01b0\u1edbc s\u00f3ng d\u1ef1a tr\u00ean WSS <strong>\u0110\u1ecba ch\u1ec9 IP (Internet Protocol)<\/strong> \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh thi\u1ebft b\u1ecb v\u00e0 m\u1ea1ng. M\u1ed9t \u0111\u1ecba ch\u1ec9 IP l\u00e0 \u0111\u1ecba ch\u1ec9 logic \u0111\u01b0\u1ee3c g\u00e1n cho m\u1ed9t thi\u1ebft b\u1ecb (gi\u1ed1ng nh\u01b0 \u0111\u1ecba ch\u1ec9 b\u01b0u \u0111i\u1ec7n c\u1ee7a m\u1ed9t t\u00f2a nh\u00e0).<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\">Duy tr\u00ec m\u1ed9t <strong>b\u1ea3ng \u0111\u1ecbnh tuy\u1ebfn<\/strong>, t\u1ee9c b\u1ea3n \u0111\u1ed3 c\u00e1c m\u1ea1ng \u0111\u00e3 bi\u1ebft v\u00e0 c\u00e1c l\u1ed9 tr\u00ecnh t\u1ed1i \u01b0u (giao di\u1ec7n ho\u1eb7c b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn ti\u1ebfp theo) \u0111\u1ec3 \u0111\u1ebfn \u0111\u01b0\u1ee3c ch\u00fang.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\">Khi Thi\u1ebft b\u1ecb A (tr\u00ean LAN c\u1ee7a b\u1ea1n) mu\u1ed1n g\u1eedi d\u1eef li\u1ec7u t\u1edbi m\u1ed9t m\u00e1y ch\u1ee7 tr\u00ean Internet (m\u1ed9t m\u1ea1ng kh\u00e1c), g\u00f3i d\u1eef li\u1ec7u s\u1ebd \u0111\u01b0\u1ee3c g\u1eedi t\u1edbi b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn (c\u1ed5ng m\u1eb7c \u0111\u1ecbnh \u2013 default gateway c\u1ee7a b\u1ea1n).<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\">B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn <strong>ki\u1ec3m tra \u0111\u1ecba ch\u1ec9 IP \u0111\u00edch<\/strong>.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\">N\u00f3 <strong>x\u00e1c \u0111\u1ecbnh l\u1ed9 tr\u00ecnh t\u1ed1i \u01b0u nh\u1ea5t<\/strong> (route) \u0111\u1ec3 g\u00f3i d\u1eef li\u1ec7u \u0111\u1ebfn \u0111\u01b0\u1ee3c m\u1ea1ng \u0111\u00edch, th\u01b0\u1eddng tham kh\u1ea3o b\u1ea3ng \u0111\u1ecbnh tuy\u1ebfn v\u00e0 c\u00e1c giao th\u1ee9c (nh\u01b0 OSPF, BGP).<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\">Sau \u0111\u00f3, n\u00f3 <strong>chuy\u1ec3n ti\u1ebfp g\u00f3i d\u1eef li\u1ec7u ra giao di\u1ec7n ph\u00f9 h\u1ee3p<\/strong> h\u01b0\u1edbng t\u1edbi n\u00fat ti\u1ebfp theo tr\u00ean l\u1ed9 tr\u00ecnh \u0111\u00f3. \u0110\u00e2y \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 <strong>\u0111\u1ecbnh tuy\u1ebfn (routing)<\/strong>.<\/p><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><p style=\"margin: 0px 0px 4px;\"><strong>C\u00e1c \u0111\u1eb7c \u0111i\u1ec3m ch\u00ednh c\u1ee7a b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn:<\/strong><\/p>\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>K\u1ebft n\u1ed1i c\u00e1c m\u1ea1ng kh\u00e1c bi\u1ec7t:<\/strong> Li\u00ean k\u1ebft LAN c\u1ee7a b\u1ea1n (Ethernet) v\u1edbi m\u1ea1ng c\u1ee7a nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 Internet (ISP) (th\u01b0\u1eddng qua DSL, c\u00e1p, s\u1ee3i quang ho\u1eb7c k\u1ebft n\u1ed1i di \u0111\u1ed9ng s\u1eed d\u1ee5ng <a href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\" target=\"_blank\" rel=\"\"><strong>C\u00e1c m\u00f4-\u0111un SFP<\/strong><\/a>).<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>T\u1ea1o c\u00e1c mi\u1ec1n qu\u1ea3ng b\u00e1 (broadcast domain) ri\u00eang bi\u1ec7t:<\/strong> Theo m\u1eb7c \u0111\u1ecbnh, m\u1ed9t b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn<br> <em>ch\u1eb7n<br><\/em> l\u01b0u l\u01b0\u1ee3ng truy\u1ec1n ph\u00e1t qu\u1ea3ng b\u00e1 (broadcast) \u1edf l\u1edbp 2. M\u1ed7i giao di\u1ec7n (v\u00ed d\u1ee5: LAN, WAN) l\u00e0 m\u1ed9t mi\u1ec1n qu\u1ea3ng b\u00e1 (broadcast domain) ri\u00eang bi\u1ec7t. \u0110i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 ki\u1ec3m so\u00e1t lu\u1ed3ng l\u01b0u l\u01b0\u1ee3ng v\u00e0 c\u1ea3i thi\u1ec7n b\u1ea3o m\u1eadt\/m\u1ee9c \u0111\u1ed9 hi\u1ec7u n\u0103ng trong c\u00e1c m\u1ea1ng l\u1edbn.<br>.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>Th\u1ef1c hi\u1ec7n D\u1ecbch \u0111\u1ecba ch\u1ec9 m\u1ea1ng (NAT):<br><\/strong> Cho ph\u00e9p nhi\u1ec1u thi\u1ebft b\u1ecb tr\u00ean LAN c\u1ee7a b\u1ea1n chia s\u1ebb m\u1ed9t \u0111\u1ecba ch\u1ec9 IP c\u00f4ng c\u1ed9ng duy nh\u1ea5t do ISP cung c\u1ea5p.<br>.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>Th\u01b0\u1eddng t\u00edch h\u1ee3p T\u01b0\u1eddng l\u1eeda:<br><\/strong> Cung c\u1ea5p t\u00ednh n\u0103ng b\u1ea3o m\u1eadt c\u01a1 b\u1ea3n b\u1eb1ng c\u00e1ch l\u1ecdc l\u01b0u l\u01b0\u1ee3ng v\u00e0o v\u00e0 ra d\u1ef1a tr\u00ean c\u00e1c quy t\u1eafc \u0111\u00e3 thi\u1ebft l\u1eadp.<br>.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>C\u00f3 th\u1ec3 g\u00e1n \u0111\u1ecba ch\u1ec9 IP (m\u00e1y ch\u1ee7 DHCP):<br><\/strong> Th\u00f4ng th\u01b0\u1eddng cung c\u1ea5p \u0111\u1ecba ch\u1ec9 IP \u0111\u1ed9ng cho c\u00e1c thi\u1ebft b\u1ecb tr\u00ean LAN.<br>.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>Cho ph\u00e9p giao ti\u1ebfp gi\u1eefa c\u00e1c VLAN:<br><\/strong> N\u1ebfu b\u1ea1n s\u1eed d\u1ee5ng b\u1ed9 chuy\u1ec3n m\u1ea1ch c\u00f3 qu\u1ea3n l\u00fd (managed switch) \u0111\u1ec3 t\u1ea1o nhi\u1ec1u VLAN (m\u1ea1ng LAN \u1ea3o), th\u00ec c\u1ea7n m\u1ed9t b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn (ho\u1eb7c b\u1ed9 chuy\u1ec3n m\u1ea1ch l\u1edbp 3) \u0111\u1ec3 l\u01b0u l\u01b0\u1ee3ng c\u00f3 th\u1ec3 truy\u1ec1n qua<br> <em>gi\u1eefa<\/em> c\u00e1c VLAN \u0111\u00f3.<br>.<\/p><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\ud83d\udcdd B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn so v\u1edbi B\u1ed9 chuy\u1ec3n m\u1ea1ch: Nh\u1eefng kh\u00e1c bi\u1ec7t then ch\u1ed1t \u2013 So s\u00e1nh tr\u1ef1c di\u1ec7n<br><\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e3y l\u00e0m r\u00f5<br> <strong>s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn v\u00e0 b\u1ed9 chuy\u1ec3n m\u1ea1ch<br><\/strong> th\u00f4ng qua b\u1ea3ng so s\u00e1nh d\u01b0\u1edbi \u0111\u00e2y:<br><\/p>\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><strong>\u0110\u1eb7c t\u00ednh<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>B\u1ed9 chuy\u1ec3n m\u1ea1ch<\/strong><\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p><strong>B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn<\/strong><\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Ch\u1ee9c n\u0103ng ch\u00ednh<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>K\u1ebft n\u1ed1i c\u00e1c thi\u1ebft b\u1ecb <strong>trong c\u00f9ng m\u1ed9t m\u1ea1ng (LAN)<br><\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>K\u1ebft n\u1ed1i<br> <strong>c\u00e1c m\u1ea1ng kh\u00e1c nhau<br><\/strong> (LAN t\u1edbi WAN, LAN t\u1edbi LAN)<br><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>L\u1edbp OSI<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ch\u1ee7 y\u1ebfu l\u00e0 <strong>L\u1edbp 2 (K\u1ebft n\u1ed1i d\u1eef li\u1ec7u)<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ch\u1ee7 y\u1ebfu l\u00e0 <strong>L\u1edbp 3 (M\u1ea1ng)<\/strong><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\u0110\u1ecba ch\u1ec9 s\u1eed d\u1ee5ng<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>\u0110\u1ecba ch\u1ec9 MAC<\/strong> (\u0110\u1ecba ch\u1ec9 v\u1eadt l\u00fd\/\u0111\u1ecba ch\u1ec9 ph\u1ea7n c\u1ee9ng)<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>\u0110\u1ecba ch\u1ec9 IP<\/strong> (\u0110\u1ecba ch\u1ec9 logic)<br><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Lo\u1ea1i mi\u1ec1n<br><\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u1ea1o ra m\u1ed9t<br> <strong>Mi\u1ec1n qu\u1ea3ng b\u00e1 duy nh\u1ea5t<br><\/strong> (theo m\u1eb7c \u0111\u1ecbnh)<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u1ea1o ra<br> <strong>Nhi\u1ec1u mi\u1ec1n qu\u1ea3ng b\u00e1<br><\/strong> (m\u1ed7i giao di\u1ec7n)<br><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>C\u1ed5ng<br><\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Th\u01b0\u1eddng c\u00f3 nhi\u1ec1u c\u1ed5ng (v\u00ed d\u1ee5: 8, 24, 48) \u0111\u1ec3 k\u1ebft n\u1ed1i c\u00e1c thi\u1ebft b\u1ecb LAN<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u00cdt c\u1ed5ng h\u01a1n: c\u1ed5ng LAN (cho b\u1ed9 chuy\u1ec3n m\u1ea1ch\/m\u1ea1ng n\u1ed9i b\u1ed9), c\u1ed5ng WAN (cho modem\/\u0111\u01b0\u1eddng l\u00ean ISP). C\u00e1c b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn doanh nghi\u1ec7p c\u00f3 khe c\u1eafm m\u00f4-\u0111un cho<br> <strong>quang h\u1ecdc SFP, SFP+, QSFP+<br><\/strong> (v\u00ed d\u1ee5:<br>, <strong>LINK-PP <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/475415.htm\"><strong>SFP-10G-SR<br><\/strong><\/a>).<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Tr\u1ecdng t\u00e2m v\u1ec1 t\u1ed1c \u0111\u1ed9<br><\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0110\u01b0\u1ee3c t\u1ed1i \u01b0u h\u00f3a cho<br> <strong>l\u01b0u l\u01b0\u1ee3ng LAN c\u1ee5c b\u1ed9 t\u1ed1c \u0111\u1ed9 cao<br><\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u1eadp trung v\u00e0o<br> <strong>vi\u1ec7c l\u1ef1a ch\u1ecdn \u0111\u01b0\u1eddng \u0111i th\u00f4ng minh<br><\/strong> gi\u1eefa c\u00e1c m\u1ea1ng; t\u1ed1c \u0111\u1ed9 WAN ph\u1ee5 thu\u1ed9c v\u00e0o \u0111\u01b0\u1eddng l\u00ean (th\u01b0\u1eddng s\u1eed d\u1ee5ng c\u00e1c<br> <strong>m\u00f4-\u0111un s\u1ee3i quang t\u1ed1c \u0111\u1ed9 cao<br><\/strong>)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Ph\u1ea1m vi m\u1ea1ng<br><\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>C\u1ee5c b\u1ed9 (LAN)<br><\/strong> \u2013 M\u1ed9t m\u1ea1ng con duy nh\u1ea5t<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>Li\u00ean m\u1ea1ng (Gi\u1eefa c\u00e1c m\u1ea1ng)<br><\/strong> \u2013 Nhi\u1ec1u m\u1ea1ng con, WAN<br><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Giao th\u1ee9c ch\u00ednh<br><\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ethernet (802.3), STP, VLAN (n\u1ebfu l\u00e0 lo\u1ea1i c\u00f3 qu\u1ea3n l\u00fd)<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>IP, ICMP, DHCP, NAT, RIP, OSPF, BGP<br><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Truy\u1ec1n ph\u00e1t qu\u1ea3ng b\u00e1 (Broadcasts)<br><\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Chuy\u1ec3n ti\u1ebfp g\u00f3i qu\u1ea3ng b\u00e1 trong LAN c\u1ee7a n\u00f3 (flood)<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ch\u1eb7n g\u00f3i qu\u1ea3ng b\u00e1 theo m\u1eb7c \u0111\u1ecbnh (ph\u00e2n t\u00e1ch c\u00e1c mi\u1ec1n)<br><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>X\u1eed l\u00fd l\u01b0u l\u01b0\u1ee3ng<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Chuy\u1ec3n ti\u1ebfp d\u1ef1a tr\u00ean b\u1ea3ng \u0111\u1ecba ch\u1ec9 MAC (switching)<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0110\u1ecbnh tuy\u1ebfn d\u1ef1a tr\u00ean \u0111\u1ecba ch\u1ec9 IP v\u00e0 b\u1ea3ng \u0111\u1ecbnh tuy\u1ebfn<br><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>V\u1ecb tr\u00ed \u0111i\u1ec3n h\u00ecnh<br><\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p><strong>B\u00ean trong<br><\/strong> l\u00f5i m\u1ea1ng ho\u1eb7c l\u1edbp truy c\u1eadp<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u1ea1i bi\u00ean m\u1ea1ng<br> <strong>(gi\u1eefa LAN v\u00e0 WAN)<\/strong> (between LAN and WAN)<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\ud83d\udcdd T\u1ea1i sao Ch\u1ea5t l\u01b0\u1ee3ng &amp; T\u00ednh t\u01b0\u01a1ng th\u00edch c\u1ee7a Ph\u1ea7n c\u1ee9ng l\u1ea1i Quan tr\u1ecdng: L\u1ee3i th\u1ebf c\u1ee7a LINK-PP<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">D\u00f9 b\u1ea1n \u0111ang tri\u1ec3n khai m\u1ed9t b\u1ed9 chuy\u1ec3n m\u1ea1ch c\u00f3 s\u1ed1 c\u1ed5ng cao cho trung t\u00e2m d\u1eef li\u1ec7u, m\u1ed9t b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn m\u1ea1nh m\u1ebd cho bi\u00ean doanh nghi\u1ec7p hay m\u1ed9t b\u1ed9 chuy\u1ec3n m\u1ea1ch l\u1edbp 3 cho l\u00f5i m\u1ea1ng, ph\u1ea7n c\u1ee9ng v\u1eadt l\u00fd l\u00e0m n\u1ec1n t\u1ea3ng cho c\u00e1c k\u1ebft n\u1ed1i c\u1ee7a b\u1ea1n \u0111\u1ec1u r\u1ea5t quan tr\u1ecdng. \u0110i\u1ec1u n\u00e0y \u0111\u1eb7c bi\u1ec7t \u0111\u00fang v\u1edbi <strong>k\u1ebft n\u1ed1i s\u1ee3i quang<\/strong>, v\u1ed1n \u0111\u00f2i h\u1ecfi c\u00e1c th\u00e0nh ph\u1ea7n quang h\u1ecdc \u0111\u00e1ng tin c\u1eady, hi\u1ec7u n\u0103ng cao <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>b\u1ed9 thu ph\u00e1t quang<\/strong><\/a> (nh\u01b0 module SFP, SFP+, QSFP28) v\u00e0 c\u00e1p.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px 0px 4px;\"><strong>T\u1ea7m quan tr\u1ecdng c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n quang h\u1ecdc t\u01b0\u01a1ng th\u00edch:<\/strong><\/p>\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>Hi\u1ec7u n\u0103ng &amp; \u0110\u1ed9 \u1ed5n \u0111\u1ecbnh:<\/strong> C\u00e1c module ch\u1ea5t l\u01b0\u1ee3ng k\u00e9m ho\u1eb7c kh\u00f4ng t\u01b0\u01a1ng th\u00edch c\u00f3 th\u1ec3 g\u00e2y ra hi\u1ec7n t\u01b0\u1ee3ng nh\u1ea5p nh\u00e1y li\u00ean k\u1ebft (ng\u1eaft k\u1ebft n\u1ed1i ng\u1eaft qu\u00e3ng), gi\u1ea3m t\u1ed1c \u0111\u1ed9, t\u0103ng l\u1ed7i v\u00e0 th\u1eadm ch\u00ed l\u00e0 h\u1ecfng ho\u00e0n to\u00e0n.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>S\u1ef1 ph\u1ee5 thu\u1ed9c v\u00e0o nh\u00e0 cung c\u1ea5p:<\/strong> Nhi\u1ec1u nh\u00e0 s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb m\u1ea1ng l\u1edbn t\u00ednh ph\u00ed cao \u0111\u00e1ng k\u1ec3 cho c\u00e1c th\u00e0nh ph\u1ea7n quang h\u1ecdc mang nh\u00e3n hi\u1ec7u c\u1ee7a h\u1ecd.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng:<\/strong> C\u1ea7n b\u1ed5 sung c\u00e1c li\u00ean k\u1ebft 10G, 25G ho\u1eb7c 100G? B\u1ea1n c\u1ea7n c\u00e1c th\u00e0nh ph\u1ea7n quang h\u1ecdc s\u1eb5n c\u00f3, chi ph\u00ed h\u1ee3p l\u00fd.<\/p><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><p style=\"margin: 0px 0px 4px;\"><strong>LINK-PP: \u0110\u1ed1i t\u00e1c M\u1ea1ng \u0111\u00e1ng tin c\u1eady c\u1ee7a b\u1ea1n<\/strong><br><strong>LINK-PP<\/strong> chuy\u00ean s\u1ea3n xu\u1ea5t c\u00e1c, <a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/multi-source-agreements-optical-transceivers\/\" target=\"_blank\" rel=\"\"><strong>tu\u00e2n th\u1ee7 ti\u00eau chu\u1ea9n MSA<\/strong><\/a> b\u1ed9 thu ph\u00e1t quang ch\u1ea5t l\u01b0\u1ee3ng cao, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 t\u01b0\u01a1ng th\u00edch \u0111\u1ea7y \u0111\u1ee7 <strong>v\u1edbi c\u00e1c th\u01b0\u01a1ng hi\u1ec7u m\u1ea1ng h\u00e0ng \u0111\u1ea7u (Cisco, Juniper, Arista, HPE, v.v.) m\u00e0 kh\u00f4ng \u0111i k\u00e8m m\u1ee9c gi\u00e1 cao ng\u1ea5t ng\u01b0\u1edfng c\u1ee7a c\u00e1c module mang nh\u00e3n hi\u1ec7u nh\u00e0 s\u1ea3n xu\u1ea5t. Vi\u1ec7c s\u1eed d\u1ee5ng<\/strong> c\u00e1c module LINK-PP ch\u00ednh h\u00e3ng <strong>\u0111\u1ea3m b\u1ea3o:<\/strong> T\u00edch h\u1ee3p li\u1ec1n m\u1ea1ch:<\/p>\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>Ch\u1ee9c n\u0103ng c\u1eafm-nh\u1eadn-ngay tr\u00ean c\u00e1c b\u1ed9 chuy\u1ec3n m\u1ea1ch v\u00e0 b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3.<\/strong> Hi\u1ec7u n\u0103ng \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o:.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>Truy\u1ec1n d\u1eef li\u1ec7u \u0111\u00e1ng tin c\u1eady \u1edf t\u1ed1c \u0111\u1ed9 danh \u0111\u1ecbnh (v\u00ed d\u1ee5: 1G, 10G, 25G, 40G, 100G).<\/strong> C\u00e1c module tr\u1ea3i qua ki\u1ec3m tra k\u1ef9 l\u01b0\u1ee1ng v\u1ec1 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng t\u00e1c v\u00e0 hi\u1ec7u n\u0103ng.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>Ki\u1ec3m tra nghi\u00eam ng\u1eb7t:<\/strong> Gi\u1ea3m \u0111\u00e1ng k\u1ec3 chi ph\u00ed CAPEX v\u00e0 OPEX so v\u1edbi c\u00e1c th\u00e0nh ph\u1ea7n quang h\u1ecdc OEM.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong><p>The most significant benefit. Utilize existing fiber runs fully without costly new installations. Ideal for<\/p><\/strong> \u0110a d\u1ea1ng l\u1ef1a ch\u1ecdn:.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>H\u1ed7 tr\u1ee3 nhi\u1ec1u chu\u1ea9n kh\u00e1c nhau<\/strong> (SR, LR, ER, ZR) <strong>v\u00e0 kho\u1ea3ng c\u00e1ch truy\u1ec1n tr\u00ean s\u1ee3i quang \u0111a mode<\/strong> ho\u1eb7c \u0111\u01a1n mode <a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/om1-om2-om3-om4-om5-multimode-fiber-guide\/\" target=\"_blank\" rel=\"\"><strong>(MMF)<br><\/strong><\/a> \ud83d\udc49 C\u00e1c module quang LINK-PP ph\u1ed5 bi\u1ebfn d\u00e0nh cho B\u1ed9 chuy\u1ec3n m\u1ea1ch &amp; B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn: <a href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/what-is-single-mode-fiber-and-how-does-it-work\/\" target=\"_blank\" rel=\"\"><strong>(SMF)<br><\/strong><\/a>.<\/p><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"614\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5c56cc338efe484b9c29c83693261147-1024x614.jpg\" alt=\"LINK-PP: Your Reliable Networking Partner\" class=\"wp-image-5502\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5c56cc338efe484b9c29c83693261147-1024x614.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5c56cc338efe484b9c29c83693261147-300x180.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5c56cc338efe484b9c29c83693261147-768x460.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5c56cc338efe484b9c29c83693261147-18x12.jpg 18w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5c56cc338efe484b9c29c83693261147.jpg 1200w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>SFP-1G-SX<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>SFP 1G: <\/strong><a href=\"https:\/\/www.l-p.com\/products\/478230.htm\" target=\"_blank\" rel=\"\"><strong>(1000BASE-SX MMF),<\/strong><\/a> (1000BASE-LX SMF), <a href=\"https:\/\/www.l-p.com\/products\/476763.htm\" target=\"_blank\" rel=\"\"><strong>SFP-1G-LX<\/strong><\/a> (10GBASE-SR MMF),<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>SFP+ 10G: <\/strong><a href=\"https:\/\/www.l-p.com\/products\/475415.htm\" target=\"_blank\" rel=\"\"><strong>SFP-10G-SR<br><\/strong><\/a> (10GBASE-LR SMF), <a href=\"https:\/\/www.l-p.com\/products\/475586.htm\" target=\"_blank\" rel=\"\"><strong>SFP-10G-LR<\/strong><\/a> SFP-10G-T, <a href=\"https:\/\/www.l-p.com\/products\/482686.htm\" target=\"_blank\" rel=\"\"><strong>(10GBASE-T \u0110\u1ed3ng) \u2013<\/strong><\/a> Ho\u00e0n h\u1ea3o cho c\u00e1c li\u00ean k\u1ebft l\u00ean (uplink) t\u1ed1c \u0111\u1ed9 cao tr\u00ean b\u1ed9 chuy\u1ec3n m\u1ea1ch ho\u1eb7c giao di\u1ec7n WAN tr\u00ean b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn. <em>25G SFP28:.<\/em><\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>(25GBASE-SR),<\/strong> <a href=\"https:\/\/www.l-p.com\/products\/473141.htm\" target=\"_blank\" rel=\"\"><strong>SFP28-25G-SR<\/strong><\/a> (25GBASE-LR), <a href=\"https:\/\/www.l-p.com\/products\/476046.htm\" target=\"_blank\" rel=\"\"><strong>SFP28-25G-LR<\/strong><\/a> 40G QSFP+:<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>QSFP-40G-SR4<\/strong> <a href=\"https:\/\/www.l-p.com\/products\/482749.htm\" target=\"_blank\" rel=\"\"><strong>(40GBASE-SR4)<\/strong><\/a> 100G QSFP28:<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><strong>(100GBASE-SR4),<\/strong> <a href=\"https:\/\/www.l-p.com\/products\/473115.htm\" target=\"_blank\" rel=\"\"><strong>QSFP28-100G-SR4<br><\/strong><\/a> (100GBASE-LR4), <a href=\"https:\/\/www.l-p.com\/products\/472118.htm\" target=\"_blank\" rel=\"\"><strong>QSFP28-100G-LR4<\/strong><\/a> \ud83d\udcdd C\u00e1c t\u00ecnh hu\u1ed1ng th\u1ef1c t\u1ebf: C\u00e1ch B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn v\u00e0 B\u1ed9 chuy\u1ec3n m\u1ea1ch ho\u1ea1t \u0111\u1ed9ng c\u00f9ng nhau<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>M\u1ea1ng gia \u0111\u00ecnh:<\/strong><\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><p style=\"margin: 0px 0px 4px;\"><strong>B\u1ed9 \u0111i\u1ec1u ch\u1ebf\/gi\u1ea3i \u0111i\u1ec1u ch\u1ebf (Modem) c\u1ee7a ISP<\/strong><\/p>\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\">C\u01a1 s\u1edf h\u1ea1 t\u1ea7ng <strong>k\u1ebft n\u1ed1i v\u1edbi c\u1ed5ng<\/strong> WAN <strong>c\u1ee7a<\/strong> B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn gia \u0111\u00ecnh <strong>Home Router<\/strong>.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\">B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn <strong>C\u1ed5ng LAN<\/strong> (th\u01b0\u1eddng l\u00e0 m\u1ed9t b\u1ed9 chuy\u1ec3n m\u1ea1ch t\u00edch h\u1ee3p 4 c\u1ed5ng nh\u1ecf!) k\u1ebft n\u1ed1i v\u1edbi c\u00e1c thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n (m\u00e1y t\u00ednh, TV th\u00f4ng minh) <em>or<\/em> t\u1edbi m\u1ed9t <strong>b\u1ed9 chuy\u1ec3n m\u1ea1ch b\u00ean ngo\u00e0i<\/strong> n\u1ebfu b\u1ea1n c\u1ea7n th\u00eam c\u1ed5ng.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\">B\u1ed9 chuy\u1ec3n m\u1ea1ch k\u1ebft n\u1ed1i c\u00e1c thi\u1ebft b\u1ecb kh\u00e1c c\u1ee7a b\u1ea1n (console ch\u01a1i game, NAS, m\u00e1y in).<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\">B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn qu\u1ea3n l\u00fd k\u1ebft n\u1ed1i Internet <strong>(WAN)<\/strong>, g\u00e1n \u0111\u1ecba ch\u1ec9 IP c\u1ee5c b\u1ed9 (DHCP), th\u1ef1c hi\u1ec7n NAT, ho\u1ea1t \u0111\u1ed9ng nh\u01b0 t\u01b0\u1eddng l\u1eeda v\u00e0 \u0111\u1ecbnh tuy\u1ebfn l\u01b0u l\u01b0\u1ee3ng gi\u1eefa m\u1ea1ng LAN v\u00e0 Internet. B\u1ed9 chuy\u1ec3n m\u1ea1ch x\u1eed l\u00fd l\u01b0u l\u01b0\u1ee3ng c\u1ee5c b\u1ed9 gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n.<\/p><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><p style=\"margin: 0px 0px 4px;\"><strong>Doanh nghi\u1ec7p v\u1eeba v\u00e0 nh\u1ecf (SMB):<\/strong><\/p>\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\">M\u1ed9t <strong>B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn\/\u0111\u01b0\u1eddng vi\u1ec1n t\u01b0\u1eddng l\u1eeda<\/strong> k\u1ebft n\u1ed1i v\u1edbi nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 Internet (ISP) (qua c\u00e1p quang s\u1eed d\u1ee5ng module <a href=\"https:\/\/www.l-p.com\/store-26192-10g-sfp.htm\" target=\"_self\"><strong>LINK-PP SFP+<\/strong><\/a> nh\u01b0 <a href=\"https:\/\/www.l-p.com\/products\/475586.htm\" target=\"_blank\" rel=\"\"><strong>LS-SM3110-10C<\/strong><\/a>).<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\">B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn k\u1ebft n\u1ed1i v\u1edbi b\u1ed9 chuy\u1ec3n m\u1ea1ch l\u00f5i <strong>l\u1edbp 3<\/strong>.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\">B\u1ed9 chuy\u1ec3n m\u1ea1ch l\u1edbp 3 k\u1ebft n\u1ed1i v\u1edbi nhi\u1ec1u b\u1ed9 chuy\u1ec3n m\u1ea1ch <strong>l\u1edbp truy c\u1eadp<\/strong> (c\u00f3 kh\u1ea3 n\u0103ng l\u00e0 c\u00e1c b\u1ed9 chuy\u1ec3n m\u1ea1ch l\u1edbp 2 \u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd) \u1edf c\u00e1c ph\u00f2ng ban kh\u00e1c nhau.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\">B\u1ed9 chuy\u1ec3n m\u1ea1ch l\u1edbp 3 x\u1eed l\u00fd \u0111\u1ecbnh tuy\u1ebfn t\u1ed1c \u0111\u1ed9 cao <em>gi\u1eefa<\/em> gi\u1eefa c\u00e1c VLAN theo ph\u00f2ng ban (B\u00e1n h\u00e0ng, K\u1ef9 thu\u1eadt, Nh\u00e2n s\u1ef1).<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\">C\u00e1c b\u1ed9 chuy\u1ec3n m\u1ea1ch l\u1edbp truy c\u1eadp k\u1ebft n\u1ed1i c\u00e1c thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i (m\u00e1y t\u00ednh, \u0111i\u1ec7n tho\u1ea1i, m\u00e1y in) trong t\u1eebng VLAN.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\">B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn \u0111\u01b0\u1eddng vi\u1ec1n x\u1eed l\u00fd truy c\u1eadp Internet, VPN cho nh\u00e2n vi\u00ean l\u00e0m vi\u1ec7c t\u1eeb xa, b\u1ea3o m\u1eadt n\u00e2ng cao v\u00e0 \u0111\u1ecbnh tuy\u1ebfn t\u1edbi\/t\u1eeb Internet.<\/p><\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\ud83d\udcdd L\u1ef1a ch\u1ecdn thi\u1ebft b\u1ecb ph\u00f9 h\u1ee3p: B\u1ed9 chuy\u1ec3n m\u1ea1ch hay b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn? <\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px 0px 4px;\"><strong>B\u1ea1n c\u1ea7n m\u1ed9t B\u1ed8 CHUY\u1ec2N M\u1ea0CH n\u1ebfu b\u1ea1n:<\/strong><\/p>\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\">Mu\u1ed1n k\u1ebft n\u1ed1i nhi\u1ec1u thi\u1ebft b\u1ecb c\u00f3 d\u00e2y (m\u00e1y t\u00ednh, m\u00e1y in, m\u00e1y ch\u1ee7, camera) trong m\u1ea1ng <em>single<\/em> t\u1ea1i nh\u00e0 ho\u1eb7c v\u0103n ph\u00f2ng c\u1ee7a b\u1ea1n.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\">C\u1ea7n nhi\u1ec1u c\u1ed5ng h\u01a1n s\u1ed1 c\u1ed5ng m\u00e0 b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn cung c\u1ea5p.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\">Y\u00eau c\u1ea7u t\u1ed1c \u0111\u1ed9 truy\u1ec1n t\u1ec7p c\u1ee5c b\u1ed9 ho\u1eb7c ph\u00e1t tr\u1ef1c tuy\u1ebfn ph\u01b0\u01a1ng ti\u1ec7n gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb nhanh h\u01a1n.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\">Mu\u1ed1n ph\u00e2n \u0111o\u1ea1n m\u1ea1ng LAN c\u1ee7a b\u1ea1n b\u1eb1ng VLAN (y\u00eau c\u1ea7u m\u1ed9t b\u1ed9 chuy\u1ec3n m\u1ea1ch <em>\u0111\u01b0\u1ee3c qu\u1ea3n l\u00fd<\/em> ).<\/p><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><p style=\"margin: 0px 0px 4px;\"><strong>B\u1ea1n c\u1ea7n m\u1ed9t B\u1ed8 \u0110\u1ecaNH TUY\u1ebeN n\u1ebfu b\u1ea1n:<\/strong><\/p>\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\">Mu\u1ed1n k\u1ebft n\u1ed1i m\u1ea1ng c\u1ee5c b\u1ed9 c\u1ee7a b\u1ea1n v\u1edbi Internet.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\">C\u1ea7n k\u1ebft n\u1ed1i hai m\u1ea1ng tr\u1edf l\u00ean (v\u00ed d\u1ee5: hai v\u0103n ph\u00f2ng, ho\u1eb7c c\u00e1c m\u1ea1ng con\/VLAN kh\u00e1c nhau \u2013 tr\u1eeb khi s\u1eed d\u1ee5ng b\u1ed9 chuy\u1ec3n m\u1ea1ch l\u1edbp 3).<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\">Y\u00eau c\u1ea7u D\u1ecbch \u0111\u1ecba ch\u1ec9 m\u1ea1ng (NAT), t\u01b0\u1eddng l\u1eeda, m\u00e1y ch\u1ee7 DHCP ho\u1eb7c kh\u1ea3 n\u0103ng VPN.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\">C\u1ea7n c\u00e1c giao th\u1ee9c \u0111\u1ecbnh tuy\u1ebfn n\u00e2ng cao cho m\u00f4i tr\u01b0\u1eddng m\u1ea1ng ph\u1ee9c t\u1ea1p.<\/p><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><p style=\"margin: 0px 0px 4px;\"><strong>C\u00e2n nh\u1eafc s\u1eed d\u1ee5ng B\u1ed8 CHUY\u1ec2N M\u1ea0CH L\u1edaP 3 n\u1ebfu b\u1ea1n:<\/strong><\/p>\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\">C\u00f3 m\u1ea1ng LAN l\u1edbn v\u1edbi nhi\u1ec1u VLAN\/m\u1ea1ng con.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\">C\u1ea7n <em>t\u1ed1c \u0111\u1ed9 r\u1ea5t cao<\/em> \u0111\u1ecbnh tuy\u1ebfn (routing) <em>gi\u1eefa<\/em> gi\u1eefa c\u00e1c VLAN\/m\u1ea1ng con n\u1ed9i b\u1ed9 \u0111\u00f3.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\">Mu\u1ed1n d\u1ed3n t\u1ea3i \u0111\u1ecbnh tuy\u1ebfn gi\u1eefa c\u00e1c VLAN sang b\u1ed9 chuy\u1ec3n m\u1ea1ch l\u1edbp 3 thay v\u00ec b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn\/t\u01b0\u1eddng l\u1eeda l\u00f5i \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t.<\/p><\/li>\n\n\n\n<li><p style=\"margin: 0px;\"><em>(B\u1ea1n v\u1eabn c\u1ea7n m\u1ed9t b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn\/t\u01b0\u1eddng l\u1eeda truy\u1ec1n th\u1ed1ng \u0111\u1ec3 k\u1ebft n\u1ed1i WAN\/Internet!)<\/em><\/p><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud83d\ude80 T\u1ed1i \u01b0u h\u00f3a hi\u1ec7u su\u1ea5t v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed m\u1ea1ng c\u1ee7a b\u1ea1n!<\/strong><br>\u0110\u1eebng tr\u1ea3 qu\u00e1 nhi\u1ec1u cho c\u00e1c b\u1ed9 quang h\u1ecdc thi\u1ebft y\u1ebfu! \u0110\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch li\u1ec1n m\u1ea1ch v\u00e0 th\u1eddi gian ho\u1ea1t \u0111\u1ed9ng t\u1ed1i \u0111a cho c\u00e1c b\u1ed9 chuy\u1ec3n m\u1ea1ch v\u00e0 b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn c\u1ee7a b\u1ea1n. <strong>Kh\u00e1m ph\u00e1 ngay c\u00e1c b\u1ed9 thu ph\u00e1t LINK-PP chi ph\u00ed hi\u1ec7u qu\u1ea3, hi\u1ec7u su\u1ea5t cao!.<\/strong> T\u00ecm module SFP, SFP+ ho\u1eb7c QSFP28 ho\u00e0n h\u1ea3o cho nhu c\u1ea7u 1G, 10G, 25G, 40G ho\u1eb7c 100G c\u1ee7a b\u1ea1n!<br><strong>\ud83d\udc49 <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>Duy\u1ec7t to\u00e0n b\u1ed9 b\u1ed9 module SFP LINK-PP ngay b\u00e2y gi\u1edd!<\/strong><\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\ud83d\udcdd K\u1ebft lu\u1eadn: C\u00e1c \u0111\u1ed1i t\u00e1c trong k\u1ebft n\u1ed1i <\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Hi\u1ec3u r\u00f5 <strong>s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn v\u00e0 b\u1ed9 chuy\u1ec3n m\u1ea1ch<\/strong> l\u00e0 ki\u1ebfn th\u1ee9c m\u1ea1ng c\u01a1 b\u1ea3n. M\u1eb7c d\u00f9 ch\u1ee9c n\u0103ng c\u1ed1t l\u00f5i c\u1ee7a ch\u00fang \u2013 <strong>chuy\u1ec3n m\u1ea1ch (L\u1edbp 2, MAC)<\/strong> and <strong>\u0111\u1ecbnh tuy\u1ebfn (L\u1edbp 3, IP)<\/strong> \u2013 l\u00e0 kh\u00e1c bi\u1ec7t r\u00f5 r\u00e0ng, nh\u01b0ng ch\u00fang l\u1ea1i b\u1ed5 tr\u1ee3 l\u1eabn nhau m\u1ed9t c\u00e1ch s\u00e2u s\u1eafc. B\u1ed9 chuy\u1ec3n m\u1ea1ch t\u1ea1o th\u00e0nh x\u01b0\u01a1ng s\u1ed1ng t\u1ed1c \u0111\u1ed9 cao c\u1ee7a m\u1ea1ng c\u1ee5c b\u1ed9, k\u1ebft n\u1ed1i c\u00e1c thi\u1ebft b\u1ecb m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3. B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn \u0111\u00f3ng vai tr\u00f2 nh\u01b0 c\u1ed5ng th\u00f4ng minh v\u00e0 ng\u01b0\u1eddi \u0111i\u1ec1u h\u01b0\u1edbng, k\u1ebft n\u1ed1i th\u1ebf gi\u1edbi c\u1ee5c b\u1ed9 c\u1ee7a b\u1ea1n v\u1edbi v\u00f9ng kh\u00f4ng gian r\u1ed9ng l\u1edbn c\u1ee7a Internet v\u00e0 qu\u1ea3n l\u00fd l\u01b0u l\u01b0\u1ee3ng gi\u1eefa c\u00e1c ph\u00e2n \u0111o\u1ea1n m\u1ea1ng kh\u00e1c nhau.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e1c b\u1ed9 chuy\u1ec3n m\u1ea1ch L\u1edbp 3<\/strong> cung c\u1ea5p gi\u1ea3i ph\u00e1p lai m\u1ea1nh m\u1ebd, t\u0103ng t\u1ed1c vi\u1ec7c \u0111\u1ecbnh tuy\u1ebfn n\u1ed9i b\u1ed9 trong c\u00e1c m\u1ea1ng LAN ph\u1ee9c t\u1ea1p. D\u00f9 b\u1ea1n ch\u1ecdn thi\u1ebft b\u1ecb n\u00e0o, vi\u1ec7c \u0111\u1ea3m b\u1ea3o ph\u1ea7n c\u1ee9ng ch\u1ea5t l\u01b0\u1ee3ng cao, t\u01b0\u01a1ng th\u00edch \u2014 bao g\u1ed3m c\u1ea3 c\u00e1c b\u1ed9 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>b\u1ed9 thu ph\u00e1t quang<\/strong><\/a> nh\u01b0 nh\u1eefng s\u1ea3n ph\u1ea9m t\u1eeb <strong>LINK-PP<\/strong>, \u0111\u00e1ng tin c\u1eady \u2014 l\u00e0 \u0111i\u1ec1u t\u1ed1i quan tr\u1ecdng \u0111\u1ec3 x\u00e2y d\u1ef1ng c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng m\u1ea1ng \u1ed5n \u0111\u1ecbnh, c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 hi\u1ec7u su\u1ea5t cao. B\u1eb1ng c\u00e1ch n\u1eafm r\u00f5 vai tr\u00f2 c\u1ee7a b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn v\u00e0 b\u1ed9 chuy\u1ec3n m\u1ea1ch, b\u1ea1n s\u1ebd c\u00f3 kh\u1ea3 n\u0103ng thi\u1ebft k\u1ebf, kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 v\u00e0 t\u1ed1i \u01b0u h\u00f3a m\u1ea1ng c\u1ee7a m\u00ecnh m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\ud83d\udcdd C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn v\u00e0 b\u1ed9 chuy\u1ec3n m\u1ea1ch l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn gi\u00fap m\u1ea1ng c\u1ee7a b\u1ea1n truy c\u1eadp Internet. N\u00f3 c\u0169ng ki\u1ec3m so\u00e1t c\u00e1ch d\u1eef li\u1ec7u di chuy\u1ec3n gi\u1eefa c\u00e1c m\u1ea1ng. B\u1ed9 chuy\u1ec3n m\u1ea1ch k\u1ebft n\u1ed1i c\u00e1c thi\u1ebft b\u1ecb b\u00ean trong m\u1ea1ng ri\u00eang c\u1ee7a b\u1ea1n. B\u1ea1n d\u00f9ng b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn \u0111\u1ec3 k\u1ebft n\u1ed1i Internet. B\u1ea1n d\u00f9ng b\u1ed9 chuy\u1ec3n m\u1ea1ch \u0111\u1ec3 th\u00eam nhi\u1ec1u thi\u1ebft b\u1ecb c\u00f3 d\u00e2y t\u1ea1i nh\u00e0 ho\u1eb7c n\u01a1i l\u00e0m vi\u1ec7c.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">B\u1ea1n c\u00f3 th\u1ec3 d\u00f9ng b\u1ed9 chuy\u1ec3n m\u1ea1ch thay cho b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn \u1edf nh\u00e0 kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00f4ng, b\u1ea1n kh\u00f4ng th\u1ec3 ch\u1ec9 d\u00f9ng b\u1ed9 chuy\u1ec3n m\u1ea1ch \u0111\u1ec3 k\u1ebft n\u1ed1i Internet. B\u1ea1n c\u1ea7n b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn \u0111\u1ec3 k\u1ebft n\u1ed1i v\u1edbi Internet. B\u1ed9 chuy\u1ec3n m\u1ea1ch ch\u1ec9 gi\u00fap c\u00e1c thi\u1ebft b\u1ecb c\u1ee7a b\u1ea1n giao ti\u1ebfp v\u1edbi nhau trong nh\u00e0 b\u1ea1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">B\u1ea1n c\u00f3 c\u1ea7n c\u1ea3 b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn v\u00e0 b\u1ed9 chuy\u1ec3n m\u1ea1ch cho m\u1ed9t v\u0103n ph\u00f2ng l\u1edbn kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f3, b\u1ea1n th\u01b0\u1eddng c\u1ea7n c\u1ea3 hai thi\u1ebft b\u1ecb. B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn cung c\u1ea5p Internet v\u00e0 b\u1ea3o v\u1ec7 v\u0103n ph\u00f2ng c\u1ee7a b\u1ea1n. B\u1ed9 chuy\u1ec3n m\u1ea1ch k\u1ebft n\u1ed1i nhi\u1ec1u thi\u1ebft b\u1ecb nh\u01b0 m\u00e1y t\u00ednh v\u00e0 m\u00e1y in trong v\u0103n ph\u00f2ng. Thi\u1ebft l\u1eadp n\u00e0y mang l\u1ea1i t\u1ed1c \u0111\u1ed9 cao h\u01a1n v\u00e0 kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t t\u1ed1t h\u01a1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Thi\u1ebft b\u1ecb n\u00e0o t\u1ed1t h\u01a1n cho ch\u01a1i game: b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn hay b\u1ed9 chuy\u1ec3n m\u1ea1ch?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea1n c\u1ea7n c\u1ea3 hai thi\u1ebft b\u1ecb \u0111\u1ec3 c\u00f3 c\u1ea5u h\u00ecnh ch\u01a1i game t\u1ed1t nh\u1ea5t. B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn k\u1ebft n\u1ed1i b\u1ea1n v\u1edbi Internet. B\u1ed9 chuy\u1ec3n m\u1ea1ch cung c\u1ea5p c\u00e1c k\u1ebft n\u1ed1i c\u00f3 d\u00e2y nhanh v\u00e0 \u1ed5n \u0111\u1ecbnh cho nhi\u1ec1u thi\u1ebft b\u1ecb ch\u01a1i game. H\u00e3y d\u00f9ng b\u1ed9 chuy\u1ec3n m\u1ea1ch n\u1ebfu b\u1ea1n mu\u1ed1n gi\u1ea3m \u0111\u1ed9 tr\u1ec5 khi ch\u01a1i game.<\/p>","protected":false},"excerpt":{"rendered":"<p>B\u1ed9 \u0111\u1ecbnh tuy\u1ebfn k\u1ebft n\u1ed1i m\u1ea1ng c\u1ee7a b\u1ea1n v\u1edbi Internet, trong khi b\u1ed9 chuy\u1ec3n m\u1ea1ch li\u00ean k\u1ebft c\u00e1c thi\u1ebft b\u1ecb trong m\u1ea1ng LAN n\u1ed9i b\u1ed9 c\u1ee7a b\u1ea1n. So s\u00e1nh b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn v\u00e0 b\u1ed9 chuy\u1ec3n m\u1ea1ch \u0111\u1ec3 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u m\u1ea1ng n\u0103m 2025 c\u1ee7a b\u1ea1n.<\/p>","protected":false},"author":1,"featured_media":5499,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[26],"class_list":["post-5503","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-center","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/5503","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/comments?post=5503"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/5503\/revisions"}],"predecessor-version":[{"id":11272,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/5503\/revisions\/11272"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/5499"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=5503"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=5503"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=5503"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}