{"id":2982,"date":"2026-03-19T00:00:00","date_gmt":"2026-03-19T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/products\/sfp-data-rate-1g-10g-25g-guide\/"},"modified":"2026-06-22T03:53:14","modified_gmt":"2026-06-22T03:53:14","slug":"sfp-data-rate-1g-10g-25g-guide","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/products\/sfp-data-rate-1g-10g-25g-guide","title":{"rendered":"Gi\u1ea3i th\u00edch t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u SFP: H\u01b0\u1edbng d\u1eabn l\u1ef1a ch\u1ecdn gi\u1eefa 1G, 10G v\u00e0 25G"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"628\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/14c554936bd94788a968a2bc6d03df2b.jpg\" alt=\"SFP Data Rate Explained: 1G vs. 10G vs. 25G Selection Guide\" class=\"wp-image-2973\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/14c554936bd94788a968a2bc6d03df2b.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/14c554936bd94788a968a2bc6d03df2b-300x157.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/14c554936bd94788a968a2bc6d03df2b-1024x536.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/14c554936bd94788a968a2bc6d03df2b-768x402.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/14c554936bd94788a968a2bc6d03df2b-18x9.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Trong m\u1ea1ng Ethernet v\u00e0 m\u1ea1ng s\u1ee3i quang hi\u1ec7n \u0111\u1ea1i, t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u SFP l\u00e0 m\u1ed9t trong nh\u1eefng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt quan tr\u1ecdng nh\u1ea5t m\u00e0 c\u00e1c k\u1ef9 s\u01b0 \u0111\u00e1nh gi\u00e1 khi l\u1ef1a ch\u1ecdn b\u1ed9 thu ph\u00e1t quang. Th\u00f4ng s\u1ed1 n\u00e0y tr\u1ef1c ti\u1ebfp x\u00e1c \u0111\u1ecbnh l\u01b0\u1ee3ng l\u01b0u l\u01b0\u1ee3ng m\u00e0 m\u1ed9t li\u00ean k\u1ebft c\u00f3 th\u1ec3 truy\u1ec1n t\u1ea3i, m\u1ee9c \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh c\u1ee7a k\u1ebft n\u1ed1i d\u01b0\u1edbi t\u1ea3i v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng hi\u1ec7u qu\u1ea3 c\u1ee7a m\u1ea1ng t\u1eeb c\u00e1c l\u1edbp truy c\u1eadp \u0111\u1ebfn c\u00e1c x\u01b0\u01a1ng s\u1ed1ng trung t\u00e2m d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9 cao.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u1ede c\u1ea5p \u0111\u1ed9 t\u1ed5ng quan, c\u00e1c module d\u1ef1a tr\u00ean SFP \u0111\u01b0\u1ee3c ph\u00e2n th\u00e0nh ba h\u1ecd t\u1ed1c \u0111\u1ed9 ch\u00ednh:<a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-26155-1g-sfp.htm\"> <strong>SFP 1G<\/strong><\/a><strong>, <\/strong><a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-26192-10g-sfp.htm\"><strong>SFP+ 10G<\/strong><\/a><strong>, and <\/strong><a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-26225-25g-sfp28.htm\"><strong>SFP28 25G<\/strong><\/a>. M\u1eb7c d\u00f9 ch\u00fang th\u01b0\u1eddng chia s\u1ebb c\u00f9ng m\u1ed9t y\u1ebfu t\u1ed1 h\u00ecnh d\u1ea1ng v\u1eadt l\u00fd, nh\u01b0ng t\u1ed1c \u0111\u1ed9 t\u00edn hi\u1ec7u n\u1ed9i b\u1ed9, ph\u01b0\u01a1ng ph\u00e1p m\u00e3 h\u00f3a v\u00e0 y\u00eau c\u1ea7u ph\u1ea7n c\u1ee9ng c\u1ee7a ch\u00fang v\u1ec1 c\u01a1 b\u1ea3n l\u00e0 kh\u00e1c nhau. \u0110\u00e2y l\u00e0 l\u00fd do v\u00ec sao m\u1ed9t module c\u00f3 th\u1ec3 v\u1eeba kh\u00edt v\u1eadt l\u00fd v\u00e0o c\u1ed5ng nh\u01b0ng v\u1eabn kh\u00f4ng thi\u1ebft l\u1eadp \u0111\u01b0\u1ee3c li\u00ean k\u1ebft \u2014 ho\u1eb7c ho\u1ea1t \u0111\u1ed9ng k\u00e9m xa so v\u1edbi k\u1ef3 v\u1ecdng \u2014 n\u1ebfu t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u kh\u00f4ng \u0111\u01b0\u1ee3c kh\u1edbp \u0111\u00fang c\u00e1ch.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Trong c\u00e1c tri\u1ec3n khai th\u1ef1c t\u1ebf, k\u1ef9 s\u01b0 th\u01b0\u1eddng g\u1eb7p ph\u1ea3i s\u1ef1 nh\u1ea7m l\u1eabn xung quanh c\u00e1c c\u00e2u h\u1ecfi nh\u01b0 <em>\u201cSFP+ lu\u00f4n c\u00f3 t\u1ed1c \u0111\u1ed9 10 Gb kh\u00f4ng?\u201d<\/em> or <em>\u201cL\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u00f4i bi\u1ebft SFP c\u1ee7a m\u00ecnh l\u00e0 lo\u1ea1i 1G hay 10G?\u201d<\/em> \u0110\u00e2y kh\u00f4ng ch\u1ec9 l\u00e0 nh\u1eefng v\u1ea5n \u0111\u1ec1 l\u00fd thuy\u1ebft. Vi\u1ec7c hi\u1ec3u sai t\u00ednh t\u01b0\u01a1ng th\u00edch v\u1ec1 t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u SFP c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn m\u1ea5t \u1ed5n \u0111\u1ecbnh li\u00ean k\u1ebft, gi\u1ea3m th\u00f4ng l\u01b0\u1ee3ng ho\u1eb7c th\u1eadm ch\u00ed th\u1ea5t b\u1ea1i ho\u00e0n to\u00e0n trong k\u1ebft n\u1ed1i, \u0111\u1eb7c bi\u1ec7t trong c\u00e1c m\u00f4i tr\u01b0\u1eddng s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb t\u1eeb nhi\u1ec1u nh\u00e0 cung c\u1ea5p kh\u00e1c nhau ho\u1eb7c trong qu\u00e1 tr\u00ecnh n\u00e2ng c\u1ea5p m\u1ea1ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u01b0\u1edbng d\u1eabn n\u00e0y ph\u00e2n t\u00edch chi ti\u1ebft h\u1ec7 th\u1ed1ng ph\u00e2n c\u1ea5p t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u SFP (1G so v\u1edbi 10G so v\u1edbi 25G) m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng, t\u1eadp trung v\u00e0o k\u1ef9 thu\u1eadt. \u0110\u1ed3ng th\u1eddi, t\u00e0i li\u1ec7u c\u0169ng gi\u1ea3i th\u00edch c\u00e1ch x\u00e1c \u0111\u1ecbnh t\u1ed1c \u0111\u1ed9 module, tr\u00e1nh c\u00e1c v\u1ea5n \u0111\u1ec1 t\u01b0\u01a1ng th\u00edch v\u00e0 l\u1ef1a ch\u1ecdn b\u1ed9 thu ph\u00e1t ph\u00f9 h\u1ee3p cho t\u00ecnh hu\u1ed1ng m\u1ea1ng c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n. D\u00f9 b\u1ea1n \u0111ang v\u1eadn h\u00e0nh c\u00e1c h\u1ec7 th\u1ed1ng Gigabit Ethernet k\u1ebf th\u1eeba hay x\u00e2y d\u1ef1ng c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng t\u1ed1c \u0111\u1ed9 cao th\u1ebf h\u1ec7 m\u1edbi, vi\u1ec7c hi\u1ec3u r\u00f5 h\u00e0nh vi t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u SFP l\u00e0 \u0111i\u1ec1u thi\u1ebft y\u1ebfu nh\u1eb1m \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t m\u1ea1ng \u0111\u00e1ng tin c\u1eady v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udd04 T\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u SFP l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u SFP \u0111\u1ec1 c\u1eadp \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 t\u00edn hi\u1ec7u t\u1ed1i \u0111a m\u00e0 m\u1ed9t b\u1ed9 thu ph\u00e1t d\u1ea1ng Small Form-factor Pluggable (SFP) c\u00f3 th\u1ec3 truy\u1ec1n v\u00e0 nh\u1eadn qua m\u1ed9t li\u00ean k\u1ebft m\u1ea1ng. N\u00f3i m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n, th\u00f4ng s\u1ed1 n\u00e0y x\u00e1c \u0111\u1ecbnh l\u01b0\u1ee3ng th\u00f4ng tin k\u1ef9 thu\u1eadt s\u1ed1 (b\u0103ng th\u00f4ng) m\u00e0 module c\u00f3 th\u1ec3 truy\u1ec1n m\u1ed7i gi\u00e2y gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb m\u1ea1ng nh\u01b0 switch, router v\u00e0 m\u00e1y ch\u1ee7.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Trong h\u1ea7u h\u1ebft c\u00e1c tri\u1ec3n khai Ethernet, thu\u1eadt ng\u1eef \u201ct\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u SFP\u201d th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3 m\u00f4 t\u1ea3 ba h\u1ea1ng t\u1ed1c \u0111\u1ed9 ch\u00ednh:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/478009.htm\"><strong>SFP 1G<br><\/strong><\/a> (Ethernet Gigabit)<\/p><\/li><li><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/475415.htm\"><strong>SFP+ 10G<br><\/strong><\/a> (Ethernet 10 Gigabit)<\/p><\/li><li><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/476088.htm\"><strong>SFP28 25G<\/strong><\/a> (Ethernet 25 Gigabit)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1eb7c d\u00f9 c\u00e1c module n\u00e0y c\u00f3 th\u1ec3 c\u00f3 h\u00ecnh d\u1ea1ng v\u1eadt l\u00fd t\u01b0\u01a1ng t\u1ef1 nhau, nh\u01b0ng t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u c\u1ee7a ch\u00fang \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi \u0111i\u1ec7n t\u1eed b\u00ean trong, thi\u1ebft k\u1ebf laser\/b\u1ed9 thu v\u00e0 c\u00e1c ti\u00eau chu\u1ea9n t\u00edn hi\u1ec7u \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 \u2014 ch\u1ee9 kh\u00f4ng ph\u1ea3i b\u1edfi v\u1ebb ngo\u00e0i b\u00ean ngo\u00e0i.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/35da08d215a54bc49ab9c607c1d6a0a7.jpg\" alt=\"What Is the Data Rate of SFP?\" class=\"wp-image-2974\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/35da08d215a54bc49ab9c607c1d6a0a7.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/35da08d215a54bc49ab9c607c1d6a0a7-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/35da08d215a54bc49ab9c607c1d6a0a7-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/35da08d215a54bc49ab9c607c1d6a0a7-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/35da08d215a54bc49ab9c607c1d6a0a7-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >T\u1ed1c \u0111\u1ed9 b\u1ed9 thu ph\u00e1t quang so v\u1edbi y\u1ebfu t\u1ed1 h\u00ecnh d\u1ea1ng<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t quan ni\u1ec7m sai l\u1ea7m ph\u1ed5 bi\u1ebfn trong l\u0129nh v\u1ef1c m\u1ea1ng l\u00e0 lo\u1ea1i c\u1ed5ng v\u1eadt l\u00fd (<a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-21645-sfp-cages-connectors.htm\">ng\u0103n ch\u1ee9a SFP<\/a>) x\u00e1c \u0111\u1ecbnh t\u1ed1c \u0111\u1ed9. Th\u1ef1c t\u1ebf, c\u00f3 s\u1ef1 ph\u00e2n t\u00e1ch r\u00f5 r\u00e0ng gi\u1eefa<a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/sfp-form-factor-compatibility-standards-guide\/\"> y\u1ebfu t\u1ed1 h\u00ecnh d\u1ea1ng<\/a> v\u00e0 kh\u1ea3 n\u0103ng t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Y\u1ebfu t\u1ed1 h\u00ecnh d\u1ea1ng (SFP \/ SFP+ \/ SFP28):<\/strong><br\/>\u0110\u1ec1 c\u1eadp \u0111\u1ebfn k\u00edch th\u01b0\u1edbc v\u1eadt l\u00fd v\u00e0 ti\u00eau chu\u1ea9n giao di\u1ec7n c\u1ee7a module v\u00e0 c\u1ed5ng.<\/p><\/li><li><p><strong>T\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u (1G \/ 10G \/ 25G):<\/strong><br\/>\u0110\u1ec1 c\u1eadp \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 truy\u1ec1n th\u1ef1c t\u1ebf \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi t\u00edn hi\u1ec7u quang ho\u1eb7c \u0111i\u1ec7n b\u00ean trong module.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ef1 ph\u00e2n bi\u1ec7t n\u00e0y r\u1ea5t quan tr\u1ecdng v\u00ec nhi\u1ec1u switch s\u1eed d\u1ee5ng c\u00f9ng m\u1ed9t lo\u1ea1i khe c\u1eafm ki\u1ec3u SFP tr\u00ean nhi\u1ec1u th\u1ebf h\u1ec7 ph\u1ea7n c\u1ee9ng kh\u00e1c nhau, nh\u01b0ng l\u1ea1i h\u1ed7 tr\u1ee3 c\u00e1c t\u1ed1c \u0111\u1ed9 r\u1ea5t kh\u00e1c nhau t\u00f9y thu\u1ed9c v\u00e0o thi\u1ebft k\u1ebf c\u1ed5ng v\u00e0 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-application-specific-integrated-circuit-asic\/\">ASIC<\/a> kh\u1ea3 n\u0103ng. V\u00ed d\u1ee5, m\u1ed9t <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-24689-sfp-cages-connectors.htm\">khe SFP+<\/a> c\u00f3 th\u1ec3 ch\u1ea5p nh\u1eadn v\u1eadt l\u00fd m\u1ed9t module <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/476862.htm\">SFP 1G<\/a>, nh\u01b0ng vi\u1ec7c n\u00f3 c\u00f3 ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang hay kh\u00f4ng ho\u00e0n to\u00e0n ph\u1ee5 thu\u1ed9c v\u00e0o h\u1ed7 tr\u1ee3 ph\u1ea7n c\u1ee9ng v\u00e0 firmware c\u1ee7a switch.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u00f3i c\u00e1ch kh\u00e1c:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p><strong>Y\u1ebfu t\u1ed1 h\u00ecnh d\u1ea1ng x\u00e1c \u0111\u1ecbnh \u201cs\u1ef1 v\u1eeba kh\u00edt\u201d, c\u00f2n t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u x\u00e1c \u0111\u1ecbnh \u201ct\u1ed1c \u0111\u1ed9\u201d.\u201d<\/strong><\/p><\/blockquote>\n\n\n\n<h3 class=\"wp-block-heading\" >Gi\u1ea3i th\u00edch ph\u00e2n lo\u1ea1i 1G \/ 10G \/ 25G<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 chu\u1ea9n h\u00f3a qu\u00e1 tr\u00ecnh ti\u1ebfn h\u00f3a c\u1ee7a Ethernet, c\u00e1c thi\u1ebft b\u1ecb quang d\u1ef1a tr\u00ean SFP \u0111\u01b0\u1ee3c chia th\u00e0nh c\u00e1c th\u1ebf h\u1ec7 r\u00f5 r\u00e0ng d\u1ef1a tr\u00ean nhu c\u1ea7u b\u0103ng th\u00f4ng ng\u00e0y c\u00e0ng t\u0103ng:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>SFP 1G (Ethernet Gigabit)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e2y l\u00e0 h\u1ea1ng SFP g\u1ed1c, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong m\u1ea1ng l\u1edbp truy c\u1eadp v\u00e0 m\u00f4i tr\u01b0\u1eddng LAN doanh nghi\u1ec7p. Module n\u00e0y h\u1ed7 tr\u1ee3 c\u00e1c ti\u00eau chu\u1ea9n Ethernet Gigabit nh\u01b0 <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/478230.htm\">C\u00e1c h\u1ea1n ch\u1ebf m\u00e3 h\u00f3a c\u1ee7a nh\u00e0 cung c\u1ea5p \u0111\u01b0\u1ee3c xem x\u00e9t n\u1ebfu s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb quang h\u1ecdc c\u1ee7a b\u00ean th\u1ee9 ba<\/a> and <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/476763.htm\">1000BASE-LX<\/a>, do \u0111\u00f3 ph\u00f9 h\u1ee3p cho c\u00e1c li\u00ean k\u1ebft l\u01b0u l\u01b0\u1ee3ng th\u1ea5p \u0111\u1ebfn trung b\u00ecnh v\u1edbi \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh cao.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>SFP+ 10G (Ethernet 10 Gigabit)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SFP+ \u0111\u1ea1i di\u1ec7n cho b\u01b0\u1edbc ti\u1ebfn h\u00f3a l\u1edbn ti\u1ebfp theo, t\u0103ng b\u0103ng th\u00f4ng l\u00ean g\u1ea5p 10 l\u1ea7n so v\u1edbi SFP 1G. Module n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng trong c\u00e1c li\u00ean k\u1ebft l\u00ean (uplink), switch t\u1eadp h\u1ee3p v\u00e0 k\u1ebft n\u1ed1i m\u00e1y ch\u1ee7, n\u01a1i y\u00eau c\u1ea7u th\u00f4ng l\u01b0\u1ee3ng cao h\u01a1n v\u00e0 \u0111\u1ed9 tr\u1ec5 th\u1ea5p h\u01a1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>SFP28 25G (Ethernet 25 Gigabit)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/476704.htm\">SFP28<\/a> \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf d\u00e0nh ri\u00eang cho c\u00e1c ki\u1ebfn tr\u00fac trung t\u00e2m d\u1eef li\u1ec7u m\u1eadt \u0111\u1ed9 cao hi\u1ec7n \u0111\u1ea1i. Module n\u00e0y cung c\u1ea5p 25 Gbps tr\u00ean m\u1ed7i k\u00eanh v\u00e0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong c\u00e1c m\u1ea1ng leaf-spine, c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y v\u00e0 m\u00f4i tr\u01b0\u1eddng \u0111i\u1ec7n to\u00e1n hi\u1ec7u n\u0103ng cao.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u SFP kh\u00f4ng \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh ch\u1ec9 b\u1edfi h\u00ecnh d\u1ea1ng v\u1eadt l\u00fd c\u1ee7a module, m\u00e0 b\u1edfi th\u1ebf h\u1ec7 Ethernet v\u00e0 ti\u00eau chu\u1ea9n t\u00edn hi\u1ec7u n\u1ed9i b\u1ed9 m\u00e0 n\u00f3 h\u1ed7 tr\u1ee3. Vi\u1ec7c hi\u1ec3u r\u00f5 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa y\u1ebfu t\u1ed1 h\u00ecnh d\u1ea1ng v\u00e0 t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u l\u00e0 \u0111i\u1ec1u thi\u1ebft y\u1ebfu \u0111\u1ec3 l\u1ef1a ch\u1ecdn c\u00e1c thi\u1ebft b\u1ecb quang t\u01b0\u01a1ng th\u00edch v\u00e0 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t m\u1ea1ng \u0111\u00e1ng tin c\u1eady tr\u00ean c\u00e1c c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng 1G, 10G v\u00e0 25G.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udd04 So s\u00e1nh t\u1ed1c \u0111\u1ed9 SFP vs. SFP+ vs. SFP28<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 hi\u1ec3u \u0111\u00fang qu\u00e1 tr\u00ecnh ti\u1ebfn h\u00f3a c\u1ee7a t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u SFP, \u0111i\u1ec1u c\u1ea7n thi\u1ebft l\u00e0 so s\u00e1nh ba h\u1ecd b\u1ed9 thu ph\u00e1t quang ch\u00ednh: SFP, SFP+ v\u00e0 SFP28. M\u1eb7c d\u00f9 ch\u00fang chia s\u1ebb y\u1ebfu t\u1ed1 h\u00ecnh d\u1ea1ng v\u1eadt l\u00fd t\u01b0\u01a1ng t\u1ef1 v\u00e0 th\u01b0\u1eddng b\u1ecb nh\u1ea7m l\u1eabn trong c\u00e1c tri\u1ec3n khai th\u1ef1c t\u1ebf, m\u1ed7i th\u1ebf h\u1ec7 \u0111\u1ec1u \u0111\u1ea1i di\u1ec7n cho m\u1ed9t b\u01b0\u1edbc t\u0103ng \u0111\u00e1ng k\u1ec3 v\u1ec1 t\u1ed1c \u0111\u1ed9 t\u00edn hi\u1ec7u, dung l\u01b0\u1ee3ng b\u0103ng th\u00f4ng v\u00e0 c\u00e1c k\u1ecbch b\u1ea3n \u1ee9ng d\u1ee5ng trong c\u00e1c m\u1ea1ng Ethernet hi\u1ec7n \u0111\u1ea1i.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/77e39adbf2164940bd7c696fe54758ab.jpg\" alt=\"SFP vs. SFP+ vs. SFP28 Speed Comparison\" class=\"wp-image-2975\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/77e39adbf2164940bd7c696fe54758ab.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/77e39adbf2164940bd7c696fe54758ab-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/77e39adbf2164940bd7c696fe54758ab-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/77e39adbf2164940bd7c696fe54758ab-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/77e39adbf2164940bd7c696fe54758ab-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >SFP 1G (1000BASE-SX \/ 1000BASE-LX)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ti\u00eau chu\u1ea9n SFP g\u1ed1c (<a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/sfp-small-form-factor-pluggable-transceiver-guide\/\">Typical Medium<\/a>) ti\u00eau chu\u1ea9n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c \u1ee9ng d\u1ee5ng Gigabit Ethernet (1G). N\u00f3 th\u01b0\u1eddng ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ed1c \u0111\u1ed9 t\u00edn hi\u1ec7u 1,25 Gbps, h\u1ed7 tr\u1ee3 c\u00e1c ti\u00eau chu\u1ea9n nh\u01b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/477562.htm\"><strong>C\u00e1c h\u1ea1n ch\u1ebf m\u00e3 h\u00f3a c\u1ee7a nh\u00e0 cung c\u1ea5p \u0111\u01b0\u1ee3c xem x\u00e9t n\u1ebfu s\u1eed d\u1ee5ng thi\u1ebft b\u1ecb quang h\u1ecdc c\u1ee7a b\u00ean th\u1ee9 ba<\/strong> <strong>SFP<\/strong><\/a> (s\u1ee3i quang \u0111a ch\u1ebf \u0111\u1ed9 t\u1ea7m ng\u1eafn)<\/p><\/li><li><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/476756.htm\"><strong>1000BASE-LX<\/strong> <strong>SFP<\/strong><\/a> (s\u1ee3i quang \u0111\u01a1n ch\u1ebf \u0111\u1ed9 t\u1ea7m xa)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c m\u00f4-\u0111un 1G SFP \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c m\u1ea1ng truy c\u1eadp doanh nghi\u1ec7p, b\u1ed9 chuy\u1ec3n m\u1ea1ch khu\u00f4n vi\u00ean v\u00e0 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng c\u0169 n\u01a1i y\u00eau c\u1ea7u l\u01b0u l\u01b0\u1ee3ng v\u1eeba ph\u1ea3i v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh \u0111\u01b0\u1ee3c \u01b0u ti\u00ean h\u01a1n th\u00f4ng l\u01b0\u1ee3ng th\u00f4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111i\u1ec3n h\u00ecnh:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>B\u1ed9 chuy\u1ec3n m\u1ea1ch l\u1edbp truy c\u1eadp<\/p><\/li><li><p>K\u1ebft n\u1ed1i LAN doanh nghi\u1ec7p<\/p><\/li><li><p>Li\u00ean k\u1ebft s\u1ee3i quang c\u0169<\/p><\/li><li><p>C\u00e1c tri\u1ec3n khai nh\u1ea1y c\u1ea3m v\u1ec1 chi ph\u00ed<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >SFP+ 10G (10GBASE-SR \/ 10GBASE-LR)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ti\u00eau chu\u1ea9n SFP+ (SFP n\u00e2ng cao) t\u0103ng b\u0103ng th\u00f4ng b\u1eb1ng c\u00e1ch h\u1ed7 tr\u1ee3 t\u1ed1c \u0111\u1ed9 t\u00edn hi\u1ec7u 10,3125 Gbps, cho ph\u00e9p \u0111\u1ea1t hi\u1ec7u n\u0103ng \u0111\u1ea7y \u0111\u1ee7 c\u1ee7a Gigabit Ethernet 10G. \u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng ti\u00eau chu\u1ea9n quang t\u1ed1c \u0111\u1ed9 cao \u0111\u01b0\u1ee3c tri\u1ec3n khai r\u1ed9ng r\u00e3i nh\u1ea5t trong c\u00e1c m\u1ea1ng doanh nghi\u1ec7p v\u00e0 trung t\u00e2m d\u1eef li\u1ec7u.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c bi\u1ebfn th\u1ec3 ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/475415.htm\"><strong>10GBASE-SR<\/strong><\/a> (s\u1ee3i quang \u0111a ch\u1ebf \u0111\u1ed9 t\u1ea7m ng\u1eafn)<\/p><\/li><li><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/475586.htm\"><strong>10GBASE-LR<\/strong><\/a> (s\u1ee3i quang \u0111\u01a1n ch\u1ebf \u0111\u1ed9 t\u1ea7m xa)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">SFP+ c\u0169ng h\u1ed7 tr\u1ee3 c\u00e1p DAC (Direct Attach Copper), khi\u1ebfn n\u00f3 tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn linh ho\u1ea1t v\u00e0 ti\u1ebft ki\u1ec7m chi ph\u00ed cho c\u00e1c li\u00ean k\u1ebft t\u1ed1c \u0111\u1ed9 cao kho\u1ea3ng c\u00e1ch ng\u1eafn.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111i\u1ec3n h\u00ecnh:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/what-is-a-data-center\/\">Trung t\u00e2m d\u1eef li\u1ec7u<\/a> Li\u00ean k\u1ebft l\u00ean<\/p><\/li><li><p>K\u1ebft n\u1ed1i t\u1eeb m\u00e1y ch\u1ee7 \u0111\u1ebfn b\u1ed9 chuy\u1ec3n m\u1ea1ch<\/p><\/li><li><p>C\u00e1c l\u1edbp t\u1ed5ng h\u1ee3p m\u1ea1ng<\/p><\/li><li><p>L\u00f5i doanh nghi\u1ec7p c\u00f3 th\u00f4ng l\u01b0\u1ee3ng cao<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >SFP28 25G (25GBASE-SR)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SFP28 l\u00e0 b\u01b0\u1edbc ti\u1ebfn th\u1ebf h\u1ec7 ti\u1ebfp theo c\u1ee7a SFP+ v\u00e0 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho m\u00f4i tr\u01b0\u1eddng Gigabit Ethernet 25G (25G). N\u00f3 s\u1eed d\u1ee5ng t\u1ed1c \u0111\u1ed9 t\u00edn hi\u1ec7u 25,78 Gbps tr\u00ean m\u1ed7i k\u00eanh, mang l\u1ea1i hi\u1ec7u su\u1ea5t b\u0103ng th\u00f4ng cao h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi 10G.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bi\u1ebfn th\u1ec3 ph\u1ed5 bi\u1ebfn:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/473141.htm\"><strong>25GBASE-LR<\/strong><\/a> (s\u1ee3i quang \u0111a ch\u1ebf \u0111\u1ed9 t\u1ea7m ng\u1eafn)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">SFP28 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i trong c\u00e1c ki\u1ebfn tr\u00fac trung t\u00e2m d\u1eef li\u1ec7u \u0111\u00e1m m\u00e2y v\u00e0 quy m\u00f4 l\u1edbn hi\u1ec7n \u0111\u1ea1i, \u0111\u1eb7c bi\u1ec7t trong c\u00e1c thi\u1ebft k\u1ebf m\u1ea1ng l\u00e1\u2013c\u1ed9t (leaf-spine) n\u01a1i vi\u1ec7c m\u1edf r\u1ed9ng b\u0103ng th\u00f4ng l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111i\u1ec3n h\u00ecnh:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Trung t\u00e2m d\u1eef li\u1ec7u \u0111\u00e1m m\u00e2y<\/p><\/li><li><p>AI \/ <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/what-is-hpc-high-performance-computing\/\">module SFP quang<\/a><\/p><\/li><li><p>Ki\u1ebfn tr\u00fac m\u1ea1ng l\u00e1\u2013c\u1ed9t<\/p><\/li><li><p>C\u00e1c c\u1ea5u tr\u00fac chuy\u1ec3n m\u1ea1ch m\u1eadt \u0111\u1ed9 cao<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >Nh\u1eefng kh\u00e1c bi\u1ec7t ch\u00ednh v\u1ec1 t\u00edn hi\u1ec7u v\u00e0 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1eb7c d\u00f9 SFP, SFP+ v\u00e0 SFP28 chia s\u1ebb thi\u1ebft k\u1ebf khoang v\u1eadt l\u00fd t\u01b0\u01a1ng t\u1ef1 nhau, nh\u01b0ng s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 hi\u1ec7u n\u0103ng c\u1ee7a ch\u00fang b\u1eaft ngu\u1ed3n t\u1eeb t\u1ed1c \u0111\u1ed9 t\u00edn hi\u1ec7u, c\u00f4ng ngh\u1ec7 m\u00e3 h\u00f3a v\u00e0 c\u00e1c y\u00eau c\u1ea7u thi\u1ebft k\u1ebf c\u1ea5p h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"width: 124px;\"\/><col style=\"width: 161px;\"\/><col style=\"width: 197px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"124\"><p>Danh m\u1ee5c<\/p><\/th><th colspan=\"1\" rowspan=\"1\" colwidth=\"161\"><p>T\u1ed1c \u0111\u1ed9 Ethernet<\/p><\/th><th colspan=\"1\" rowspan=\"1\" colwidth=\"197\"><p>T\u1ed1c \u0111\u1ed9 t\u00edn hi\u1ec7u<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"124\"><p>SFP<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"161\"><p>1G<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"197\"><p>1,25 Gbps<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>M\u1ea1ng truy c\u1eadp, LAN c\u0169<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"124\"><p>SFP+<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"161\"><p>Kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi nhi\u1ec5u \u0111i\u1ec7n t\u1eeb, \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh trong m\u00f4i tr\u01b0\u1eddng kh\u1eafc nghi\u1ec7t.<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"197\"><p>10,3125 Gbps<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Li\u00ean k\u1ebft l\u00ean trung t\u00e2m d\u1eef li\u1ec7u, m\u00e1y ch\u1ee7<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"124\"><p>SFP28<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"161\"><p>25G<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"197\"><p>25,78 Gbps<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>C\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111\u00e1m m\u00e2y, HPC<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>G\u00f3c nh\u00ecn k\u1ef9 thu\u1eadt<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1ec1 g\u00f3c \u0111\u1ed9 tri\u1ec3n khai, \u0111i\u1ec3m ph\u00e2n bi\u1ec7t quan tr\u1ecdng nh\u1ea5t kh\u00f4ng ch\u1ec9 l\u00e0 t\u1ed1c \u0111\u1ed9 m\u00e0 c\u00f2n l\u00e0 chi\u1ebfn l\u01b0\u1ee3c m\u1edf r\u1ed9ng quy m\u00f4:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>SFP 1G<\/strong> \u01afu ti\u00ean kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u00e0 hi\u1ec7u qu\u1ea3 chi ph\u00ed<\/p><\/li><li><p><strong>SFP+ 10G<\/strong> C\u00e2n b\u1eb1ng gi\u1eefa hi\u1ec7u n\u0103ng v\u00e0 m\u1ee9c \u0111\u1ed9 \u00e1p d\u1ee5ng r\u1ed9ng r\u00e3i<\/p><\/li><li><p><strong>SFP28 25G<\/strong> T\u1ed1i \u01b0u h\u00f3a m\u1eadt \u0111\u1ed9 b\u0103ng th\u00f4ng cho trung t\u00e2m d\u1eef li\u1ec7u hi\u1ec7n \u0111\u1ea1i<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed7i b\u01b0\u1edbc ti\u1ebfn \u0111\u1ea1i di\u1ec7n kh\u00f4ng ch\u1ec9 cho s\u1ef1 gia t\u0103ng t\u1ed1c \u0111\u1ed9 m\u00e0 c\u00f2n l\u00e0 s\u1ef1 thay \u0111\u1ed5i trong tri\u1ebft l\u00fd thi\u1ebft k\u1ebf ki\u1ebfn tr\u00fac m\u1ea1ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ef1 ti\u1ebfn tri\u1ec3n t\u1eeb <strong>SFP \u2192 SFP+ \u2192 SFP28<\/strong> Ph\u1ea3n \u00e1nh qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n c\u1ee7a Ethernet t\u1eeb c\u00e1c m\u00f4i tr\u01b0\u1eddng LAN doanh nghi\u1ec7p sang c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y m\u1eadt \u0111\u1ed9 cao. Vi\u1ec7c hi\u1ec3u r\u00f5 nh\u1eefng kh\u00e1c bi\u1ec7t n\u00e0y \u0111\u1ea3m b\u1ea3o l\u1ef1a ch\u1ecdn m\u00f4-\u0111un \u0111\u00fang, hi\u1ec7u n\u0103ng li\u00ean k\u1ebft \u1ed5n \u0111\u1ecbnh v\u00e0 thi\u1ebft k\u1ebf m\u1ea1ng s\u1eb5n s\u00e0ng cho t\u01b0\u01a1ng lai.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udd04 T\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u SFP th\u1ef1c t\u1ebf trong tri\u1ec3n khai l\u00e0 bao nhi\u00eau?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1eb7c d\u00f9 c\u00e1c th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt SFP x\u00e1c \u0111\u1ecbnh r\u00f5 c\u00e1c t\u1ed1c \u0111\u1ed9 l\u00fd thuy\u1ebft nh\u01b0 1G, 10G v\u00e0 25G, hi\u1ec7u n\u0103ng m\u1ea1ng th\u1ef1c t\u1ebf th\u01b0\u1eddng kh\u00e1c bi\u1ec7t. Trong m\u00f4i tr\u01b0\u1eddng s\u1ea3n xu\u1ea5t, th\u00f4ng l\u01b0\u1ee3ng th\u1ef1c t\u1ebf c\u1ee7a m\u1ed9t li\u00ean k\u1ebft SFP ch\u1ecbu \u1ea3nh h\u01b0\u1edfng b\u1edfi nhi\u1ec1u y\u1ebfu t\u1ed1 c\u1ea5p h\u1ec7 th\u1ed1ng, bao g\u1ed3m gi\u1edbi h\u1ea1n ph\u1ea7n c\u1ee9ng b\u1ed9 chuy\u1ec3n m\u1ea1ch, \u0111\u1ed9 tr\u1ec5 m\u00e3 h\u00f3a v\u00e0 ch\u1ea5t l\u01b0\u1ee3ng t\u00edn hi\u1ec7u quang. Vi\u1ec7c hi\u1ec3u r\u00f5 kho\u1ea3ng c\u00e1ch gi\u1eefa l\u00fd thuy\u1ebft v\u00e0 th\u1ef1c ti\u1ec5n l\u00e0 \u0111i\u1ec1u thi\u1ebft y\u1ebfu \u0111\u1ec3 l\u1eadp k\u1ebf ho\u1ea1ch m\u1ea1ng ch\u00ednh x\u00e1c v\u00e0 x\u1eed l\u00fd s\u1ef1 c\u1ed1.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/215fce9d695d485e8f0d626fd8e9f786.jpg\" alt=\"What Is the Data Rate of SFP in Real Deployment?\" class=\"wp-image-2976\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/215fce9d695d485e8f0d626fd8e9f786.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/215fce9d695d485e8f0d626fd8e9f786-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/215fce9d695d485e8f0d626fd8e9f786-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/215fce9d695d485e8f0d626fd8e9f786-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/215fce9d695d485e8f0d626fd8e9f786-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >Th\u00f4ng l\u01b0\u1ee3ng l\u00fd thuy\u1ebft so v\u1edbi th\u00f4ng l\u01b0\u1ee3ng th\u1ef1c t\u1ebf<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u SFP l\u00fd thuy\u1ebft \u0111\u1ec1 c\u1eadp \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 t\u00edn hi\u1ec7u th\u00f4 \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a b\u1edfi c\u00e1c ti\u00eau chu\u1ea9n Ethernet:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>1G SFP \u2192 t\u1ed1c \u0111\u1ed9 t\u00edn hi\u1ec7u 1,25 Gbps<\/p><\/li><li><p>10G SFP+ \u2192 t\u1ed1c \u0111\u1ed9 t\u00edn hi\u1ec7u 10,3125 Gbps<\/p><\/li><li><p>25G SFP28 \u2192 t\u1ed1c \u0111\u1ed9 t\u00edn hi\u1ec7u 25,78 Gbps<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Tuy nhi\u00ean, th\u00f4ng l\u01b0\u1ee3ng s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf lu\u00f4n th\u1ea5p h\u01a1n do c\u00e1c \u0111\u1ed9 tr\u1ec5 giao th\u1ee9c nh\u01b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Khung Ethernet<\/p><\/li><li><p>M\u00e3 h\u00f3a 8b\/10b ho\u1eb7c 64b\/66b<\/p><\/li><li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/tcp-ip-model-network-communication-layers-and-data-exchange\/\">TCP\/IP<\/a> \u0110\u1ed9 tr\u1ec5<\/p><\/li><li><p>Gi\u1edbi h\u1ea1n x\u1eed l\u00fd c\u1ee7a thi\u1ebft b\u1ecb<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ed d\u1ee5:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>M\u1ed9t li\u00ean k\u1ebft 10G SFP+ th\u01b0\u1eddng cung c\u1ea5p th\u00f4ng l\u01b0\u1ee3ng s\u1eed d\u1ee5ng kho\u1ea3ng ~9,4\u20139,8 Gbps trong \u0111i\u1ec1u ki\u1ec7n l\u00fd t\u01b0\u1edfng.<\/p><\/li><li><p>M\u1ed9t li\u00ean k\u1ebft 1G SFP th\u01b0\u1eddng cung c\u1ea5p th\u00f4ng l\u01b0\u1ee3ng kho\u1ea3ng ~930\u2013950 Mbps trong c\u00e1c b\u00e0i ki\u1ec3m tra l\u01b0u l\u01b0\u1ee3ng th\u1ef1c t\u1ebf.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e2y l\u00e0 l\u00fd do v\u00ec sao k\u1ef9 s\u01b0 th\u01b0\u1eddng quan s\u00e1t th\u1ea5y r\u1eb1ng \u201ct\u1ed1c \u0111\u1ed9 \u0111\u01b0\u1eddng truy\u1ec1n\u201d kh\u00f4ng t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi t\u1ed1c \u0111\u1ed9 \u1edf c\u1ea5p \u1ee9ng d\u1ee5ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Gi\u1edbi h\u1ea1n c\u1ed5ng b\u1ed9 chuy\u1ec3n m\u1ea1ch<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t y\u1ebfu t\u1ed1 quan tr\u1ecdng kh\u00e1c \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u n\u0103ng t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u SFP th\u1ef1c t\u1ebf l\u00e0 ph\u1ea7n c\u1ee9ng b\u1ed9 chuy\u1ec3n m\u1ea1ch.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ngay c\u1ea3 khi m\u1ed9t b\u1ed9 thu ph\u00e1t h\u1ed7 tr\u1ee3 t\u1ed1c \u0111\u1ed9 nh\u1ea5t \u0111\u1ecbnh, b\u1ed9 chuy\u1ec3n m\u1ea1ch v\u1eabn c\u00f3 th\u1ec3 \u00e1p \u0111\u1eb7t c\u00e1c gi\u1edbi h\u1ea1n nh\u01b0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>N\u0103ng l\u1ef1c ASIC c\u1ed5ng<\/strong><\/p><\/li><li><p><strong>B\u0103ng th\u00f4ng backplane<\/strong><\/p><\/li><li><p><strong>Vi\u1ec7c chia s\u1ebb qu\u00e1 m\u1ee9c li\u00ean k\u1ebft l\u00ean<\/strong><\/p><\/li><li><p><strong>C\u00e1c h\u1ea1n ch\u1ebf v\u1ec1 firmware ho\u1eb7c gi\u1ea5y ph\u00e9p<\/strong><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ed d\u1ee5:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>M\u1ed9t s\u1ed1 b\u1ed9 chuy\u1ec3n m\u1ea1ch \u0111\u1ea7u v\u00e0o bao g\u1ed3m <strong>1<\/strong>C\u1ed5ng SFP+ c\u00f3 kh\u1ea3 n\u0103ng 0G, nh\u01b0ng n\u1ed9i b\u1ed9 chia s\u1ebb b\u0103ng th\u00f4ng backplane h\u1ea1n ch\u1ebf, g\u00e2y ngh\u1ebdn khi l\u01b0u l\u01b0\u1ee3ng l\u1edbn.<\/p><\/li><li><p>M\u1ed9t s\u1ed1 n\u1ec1n t\u1ea3ng h\u1ed7 tr\u1ee3 m\u00f4-\u0111un SFP 1G tr\u00ean c\u1ed5ng SFP+, nh\u01b0ng ch\u1ec9 khi \u0111\u01b0\u1ee3c k\u00edch ho\u1ea1t r\u00f5 r\u00e0ng trong firmware.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u SFP th\u1ef1c t\u1ebf tr\u1ea3i nghi\u1ec7m trong m\u00f4i tr\u01b0\u1eddng s\u1ea3n xu\u1ea5t th\u01b0\u1eddng b\u1ecb gi\u1edbi h\u1ea1n b\u1edfi ki\u1ebfn tr\u00fac b\u1ed9 chuy\u1ec3n m\u1ea1ch ch\u1ee9 kh\u00f4ng ph\u1ea3i b\u1edfi m\u00f4-\u0111un quang.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >C\u00e1c y\u1ebfu t\u1ed1 hi\u1ec7u n\u0103ng m\u00f4-\u0111un quang<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Ngo\u00e0i c\u00e1c gi\u1edbi h\u1ea1n c\u1ee7a b\u1ed9 chuy\u1ec3n m\u1ea1ch, m\u00f4-\u0111un quang <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\">b\u1ed9 thu ph\u00e1t quang<\/a> B\u1ea3n th\u00e2n n\u00f3 \u0111\u00f3ng vai tr\u00f2 l\u1edbn trong hi\u1ec7u n\u0103ng tri\u1ec3n khai th\u1ef1c t\u1ebf. C\u00e1c y\u1ebfu t\u1ed1 \u1ea3nh h\u01b0\u1edfng ch\u00ednh bao g\u1ed3m:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ch\u1ea5t l\u01b0\u1ee3ng t\u00edn hi\u1ec7u quang<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u0110\u1ed9 s\u1ea1ch c\u1ee7a c\u00e1p quang<\/p><\/li><li><p>Ch\u1ea5t l\u01b0\u1ee3ng \u0111\u1ea7u n\u1ed1i<\/p><\/li><li><p>T\u1ed5n hao ch\u00e8n v\u00e0 t\u1ed5n hao ph\u1ea3n h\u1ed3i<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Transmission distance<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/products\/short-range-sfp-module-distance-specs-guide\/\">C\u00e1c m\u00f4-\u0111un t\u1ea7m ng\u1eafn<\/a> (SR) so v\u1edbi t\u1ea7m xa (<a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/475605.htm\">LR<\/a>)<\/p><\/li><li><p>S\u1ef1 suy gi\u1ea3m t\u00edn hi\u1ec7u theo kho\u1ea3ng c\u00e1ch \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>T\u00ednh t\u01b0\u01a1ng th\u00edch v\u00e0 m\u00e3 h\u00f3a<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>M\u00e3 h\u00f3a \u0111\u1eb7c th\u00f9 nh\u00e0 cung c\u1ea5p (Cisco, Juniper, Arista, v.v.)<\/p><\/li><li><p><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/475829.htm\">Quang h\u1ecdc b\u00ean th\u1ee9 ba<\/a> C\u00e1c v\u1ea5n \u0111\u1ec1 t\u01b0\u01a1ng th\u00edch<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0110\u1ed9 \u1ed5n \u0111\u1ecbnh nhi\u1ec7t \u0111\u1ed9 v\u00e0 ngu\u1ed3n \u0111i\u1ec7n<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>M\u00f4i tr\u01b0\u1eddng nhi\u1ec7t \u0111\u1ed9 cao c\u00f3 th\u1ec3 l\u00e0m gi\u1ea3m hi\u1ec7u n\u0103ng quang<\/p><\/li><li><p>Dao \u0111\u1ed9ng ngu\u1ed3n \u0111i\u1ec7n c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh laser<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >Nh\u1eadn \u0111\u1ecbnh k\u1ef9 thu\u1eadt th\u1ef1c ti\u1ec5n<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Trong c\u00e1c tri\u1ec3n khai th\u1ef1c t\u1ebf, k\u1ef9 s\u01b0 th\u01b0\u1eddng ph\u00e1t hi\u1ec7n ra r\u1eb1ng c\u00e1c s\u1ef1 c\u1ed1 v\u1ec1 t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u SFP kh\u00f4ng b\u1eaft ngu\u1ed3n t\u1eeb ch\u00ednh t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u, m\u00e0 do s\u1ef1 k\u1ebft h\u1ee3p c\u1ee7a:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>S\u1ef1 kh\u00f4ng t\u01b0\u01a1ng th\u00edch gi\u1eefa thi\u1ebft b\u1ecb quang h\u1ecdc v\u00e0 b\u1ed9 chuy\u1ec3n m\u1ea1ch<\/p><\/li><li><p>Ch\u1ea5t l\u01b0\u1ee3ng c\u00e1p s\u1ee3i quang k\u00e9m ho\u1eb7c kho\u1ea3ng c\u00e1ch li\u00ean k\u1ebft qu\u00e1 d\u00e0i<\/p><\/li><li><p>Ki\u1ebfn tr\u00fac chuy\u1ec3n m\u1ea1ch b\u1ecb qu\u00e1 t\u1ea3i<\/p><\/li><li><p>S\u1ef1 kh\u00f4ng nh\u1ea5t qu\u00e1n v\u1ec1 firmware ho\u1eb7c c\u1ea5u h\u00ecnh<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao hai li\u00ean k\u1ebft \u201c10G SFP+\u201d gi\u1ed1ng h\u1ec7t nhau c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng r\u1ea5t kh\u00e1c nhau trong c\u00e1c m\u00f4i tr\u01b0\u1eddng kh\u00e1c nhau.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1ec1 m\u1eb7t l\u00fd thuy\u1ebft, t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u SFP x\u00e1c \u0111\u1ecbnh t\u1ed1c \u0111\u1ed9 truy\u1ec1n, nh\u01b0ng th\u00f4ng l\u01b0\u1ee3ng th\u1ef1c t\u1ebf \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi to\u00e0n b\u1ed9 ng\u0103n x\u1ebfp h\u1ec7 th\u1ed1ng\u2014bao g\u1ed3m ph\u1ea7n c\u1ee9ng chuy\u1ec3n m\u1ea1ch, ch\u1ea5t l\u01b0\u1ee3ng quang h\u1ecdc v\u00e0 c\u1ea5u h\u00ecnh m\u1ea1ng. \u0110\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh, k\u1ef9 s\u01b0 ph\u1ea3i \u0111\u00e1nh gi\u00e1 kh\u00f4ng ch\u1ec9 th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a module m\u00e0 c\u00f2n to\u00e0n b\u1ed9 m\u00f4i tr\u01b0\u1eddng tri\u1ec3n khai \u0111\u1ea7u cu\u1ed1i.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udd04 C\u00e1c s\u1ef1 c\u1ed1 ph\u1ed5 bi\u1ebfn v\u1ec1 t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u SFP trong m\u1ea1ng th\u1ef1c t\u1ebf<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Trong c\u00e1c tri\u1ec3n khai th\u1ef1c t\u1ebf, c\u00e1c s\u1ef1 c\u1ed1 v\u1ec1 t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u SFP hi\u1ebfm khi xu\u1ea5t ph\u00e1t t\u1eeb ch\u00ednh th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a b\u1ed9 thu ph\u00e1t quang. Thay v\u00e0o \u0111\u00f3, h\u1ea7u h\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 b\u1eaft ngu\u1ed3n t\u1eeb c\u1ea5u h\u00ecnh kh\u00f4ng ph\u00f9 h\u1ee3p, gi\u1edbi h\u1ea1n n\u1ec1n t\u1ea3ng ho\u1eb7c kho\u1ea3ng tr\u1ed1ng t\u01b0\u01a1ng th\u00edch gi\u1eefa ph\u1ea7n c\u1ee9ng v\u00e0 firmware. Nh\u1eefng s\u1ef1 c\u1ed1 n\u00e0y \u0111\u1eb7c bi\u1ec7t ph\u1ed5 bi\u1ebfn trong c\u00e1c m\u00f4i tr\u01b0\u1eddng \u0111a nh\u00e0 cung c\u1ea5p v\u00e0 trong qu\u00e1 tr\u00ecnh n\u00e2ng c\u1ea5p m\u1ea1ng t\u1eeb 1G l\u00ean 10G.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c hi\u1ec3u r\u00f5 c\u00e1c m\u00f4 h\u00ecnh l\u1ed7i n\u00e0y l\u00e0 \u0111i\u1ec1u thi\u1ebft y\u1ebfu \u0111\u1ec3 ch\u1ea9n \u0111o\u00e1n c\u00e1c s\u1ef1 c\u1ed1 hi\u1ec7u su\u1ea5t v\u00e0 ng\u0103n ng\u1eeba th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng trong c\u00e1c m\u1ea1ng s\u1ea3n xu\u1ea5t.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/92bfbfd7f3f94fefa133dfede9054e45.jpg\" alt=\"Common SFP Data Rate Problems in Real Networks\" class=\"wp-image-2977\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/92bfbfd7f3f94fefa133dfede9054e45.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/92bfbfd7f3f94fefa133dfede9054e45-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/92bfbfd7f3f94fefa133dfede9054e45-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/92bfbfd7f3f94fefa133dfede9054e45-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/92bfbfd7f3f94fefa133dfede9054e45-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >S\u1ef1 kh\u00f4ng kh\u1edbp gi\u1eefa t\u1ed1c \u0111\u1ed9 module v\u00e0 c\u1ed5ng<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t trong nh\u1eefng s\u1ef1 c\u1ed1 ph\u1ed5 bi\u1ebfn nh\u1ea5t v\u1ec1 t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u SFP x\u1ea3y ra khi t\u1ed1c \u0111\u1ed9 module quang h\u1ecdc kh\u00f4ng kh\u1edbp v\u1edbi kh\u1ea3 n\u0103ng ho\u1eb7c c\u1ea5u h\u00ecnh c\u1ee7a c\u1ed5ng b\u1ed9 chuy\u1ec3n m\u1ea1ch.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c t\u00ecnh hu\u1ed1ng \u0111i\u1ec3n h\u00ecnh bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>A <strong>Module SFP 1G \u0111\u01b0\u1ee3c c\u1eafm v\u00e0o c\u1ed5ng SFP+ 10G<\/strong><\/p><\/li><li><p>A <strong>Module SFP+ 10G b\u1ecb \u00e9p ch\u1ea1y \u1edf t\u1ed1c \u0111\u1ed9 1G<\/strong><\/p><\/li><li><p>T\u1ef1 th\u01b0\u01a1ng l\u01b0\u1ee3ng (auto-negotiation) b\u1ecb t\u1eaft ho\u1eb7c c\u1ea5u h\u00ecnh sai<\/p><\/li><li><p>C\u1ed5ng b\u1ecb kh\u00f3a \u1edf t\u1ed1c \u0111\u1ed9 c\u1ed1 \u0111\u1ecbnh kh\u00f4ng kh\u1edbp v\u1edbi thi\u1ebft b\u1ecb quang h\u1ecdc<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p, module v\u1eabn c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i v\u1eadt l\u00fd, nh\u01b0ng hi\u1ec7u su\u1ea5t s\u1ebd kh\u00f4ng \u1ed5n \u0111\u1ecbnh ho\u1eb7c gi\u1ea3m \u0111\u00e1ng k\u1ec3. M\u1ed9t s\u1ed1 b\u1ed9 chuy\u1ec3n m\u1ea1ch cho ph\u00e9p ho\u1ea1t \u0111\u1ed9ng hai t\u1ed1c \u0111\u1ed9, trong khi nh\u1eefng b\u1ed9 kh\u00e1c \u00e1p \u0111\u1eb7t nghi\u00eam ng\u1eb7t vi\u1ec7c kh\u1edbp t\u1ed1c \u0111\u1ed9 \u1edf c\u1ea5p ph\u1ea7n c\u1ee9ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>B\u00e0i h\u1ecdc k\u1ef9 thu\u1eadt:<\/strong><br\/>Lu\u00f4n x\u00e1c minh c\u1ea3 m\u00e3 h\u00f3a module l\u1eabn c\u1ea5u h\u00ecnh c\u1ed5ng, ch\u1ee9 kh\u00f4ng ch\u1ec9 d\u1ef1a v\u00e0o t\u00ednh t\u01b0\u01a1ng th\u00edch v\u1eadt l\u00fd.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Th\u00f4ng l\u01b0\u1ee3ng th\u1ea5p tr\u00ean c\u00e1c li\u00ean k\u1ebft 10G<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t v\u1ea5n \u0111\u1ec1 ph\u1ed5 bi\u1ebfn kh\u00e1c l\u00e0 li\u00ean k\u1ebft SFP+ 10G kh\u00f4ng \u0111\u1ea1t \u0111\u01b0\u1ee3c hi\u1ec7u su\u1ea5t mong \u0111\u1ee3i, th\u01b0\u1eddng th\u1ec3 hi\u1ec7n th\u00f4ng l\u01b0\u1ee3ng th\u1ea5p h\u01a1n \u0111\u00e1ng k\u1ec3 so v\u1edbi 10 Gbps.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c tri\u1ec7u ch\u1ee9ng \u0111i\u1ec3n h\u00ecnh bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u00e1c b\u00e0i ki\u1ec3m tra t\u1ed1c \u0111\u1ed9 b\u1ecb gi\u1edbi h\u1ea1n \u1edf m\u1ee9c 2\u20135 Gbps thay v\u00ec kho\u1ea3ng 9,4 Gbps<\/p><\/li><li><p>M\u1ea5t g\u00f3i d\u1eef li\u1ec7u ng\u1eaft qu\u00e3ng khi t\u1ea3i cao<\/p><\/li><li><p>\u0110\u1ed9 tr\u1ec5 cao trong l\u01b0u l\u01b0\u1ee3ng d\u1eef li\u1ec7u \u0111\u1ed9t bi\u1ebfn<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c nguy\u00ean nh\u00e2n g\u1ed1c ph\u1ed5 bi\u1ebfn:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>M\u1eb7t sau (backplane) c\u1ee7a b\u1ed9 chuy\u1ec3n m\u1ea1ch b\u1ecb qu\u00e1 t\u1ea3i<\/p><\/li><li><p>C\u00e1p DAC\/s\u1ee3i quang l\u1ed7i ho\u1eb7c ch\u1ea5t l\u01b0\u1ee3ng th\u1ea5p<\/p><\/li><li><p>Thi\u1ebft b\u1ecb quang h\u1ecdc kh\u00f4ng t\u01b0\u01a1ng th\u00edch ho\u1eb7c c\u1ee7a b\u00ean th\u1ee9 ba<\/p><\/li><li><p>C\u00e0i \u0111\u1eb7t MTU kh\u00f4ng \u0111\u00fang ho\u1eb7c <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/qos-quality-of-service-guide-network-performance\/\">QoS<\/a> C\u00e1c \u0111i\u1ec3m ngh\u1ebdn<\/p><\/li><li><p>X\u1eed l\u00fd l\u01b0u l\u01b0\u1ee3ng b\u1ecb gi\u1edbi h\u1ea1n b\u1edfi CPU tr\u00ean b\u1ed9 chuy\u1ec3n m\u1ea1ch<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, k\u1ef9 s\u01b0 ban \u0111\u1ea7u nghi ng\u1edd <a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-25832-1-2-4g-transceiver-modules.htm\">m\u00f4-\u0111un SFP<\/a>, nh\u01b0ng v\u1ea5n \u0111\u1ec1 th\u1ef1c s\u1ef1 n\u1eb1m \u1edf c\u00e1c gi\u1edbi h\u1ea1n ki\u1ebfn tr\u00fac m\u1ea1ng ch\u1ee9 kh\u00f4ng ph\u1ea3i \u1edf b\u1ed9 thu ph\u00e1t quang.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >V\u1ea5n \u0111\u1ec1 t\u01b0\u01a1ng th\u00edch v\u00e0 firmware<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c v\u1ea5n \u0111\u1ec1 t\u01b0\u01a1ng th\u00edch l\u00e0 m\u1ed9t trong nh\u1eefng s\u1ef1 c\u1ed1 v\u1ec1 t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u SFP kh\u00f3 ch\u1ea9n \u0111o\u00e1n nh\u1ea5t, \u0111\u1eb7c bi\u1ec7t trong c\u00e1c m\u00f4i tr\u01b0\u1eddng \u0111a nh\u00e0 cung c\u1ea5p.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c t\u00ecnh hu\u1ed1ng th\u1ef1c t\u1ebf ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>S\u1ef1 kh\u00f4ng kh\u1edbp gi\u1eefa thi\u1ebft b\u1ecb quang h\u1ecdc \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a theo nh\u00e0 cung c\u1ea5p<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c b\u1ed9 chuy\u1ec3n m\u1ea1ch c\u1ee7a c\u00e1c nh\u00e0 cung c\u1ea5p nh\u01b0 Cisco, Juniper ho\u1eb7c Arista c\u00f3 th\u1ec3 t\u1eeb ch\u1ed1i ho\u1eb7c gi\u1edbi h\u1ea1n <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/476099.htm\">SFP c\u1ee7a b\u00ean th\u1ee9 ba<\/a> c\u00e1c module do c\u00e1c h\u1ea1n ch\u1ebf m\u00e3 h\u00f3a EEPROM.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>H\u00e0nh vi ph\u1ee5 thu\u1ed9c v\u00e0o firmware<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t s\u1ed1 b\u1ed9 chuy\u1ec3n m\u1ea1ch y\u00eau c\u1ea7u c\u1eadp nh\u1eadt firmware \u0111\u1ec3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>K\u00edch ho\u1ea1t h\u1ed7 tr\u1ee3 10G tr\u00ean c\u00e1c c\u1ed5ng c\u1ee5 th\u1ec3<\/p><\/li><li><p>Cho ph\u00e9p s\u1eed d\u1ee5ng module 1G trong <a target=\"_self\" href=\"https:\/\/www.rj45-modularjack.com\/news\/sfp-cage-selection-guide-key-mechanical-electrical-and-thermal-considerations-302458.html\">v\u1ecf b\u1ecdc SFP+<\/a><\/p><\/li><li><p>S\u1eeda c\u00e1c l\u1ed7i ph\u00e1t hi\u1ec7n thi\u1ebft b\u1ecb quang h\u1ecdc<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>T\u00ecnh hu\u1ed1ng \u201ck\u1ebft n\u1ed1i th\u00e0nh c\u00f4ng nh\u01b0ng kh\u00f4ng c\u00f3 l\u01b0u l\u01b0\u1ee3ng\u201d<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t v\u1ea5n \u0111\u1ec1 th\u01b0\u1eddng g\u1eb7p do k\u1ef9 s\u01b0 b\u00e1o c\u00e1o:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u1ed5ng hi\u1ec3n th\u1ecb tr\u1ea1ng th\u00e1i \u201cup\/up\u201d<\/p><\/li><li><p>Nh\u01b0ng kh\u00f4ng c\u00f3 l\u01b0u l\u01b0\u1ee3ng th\u1ef1c t\u1ebf n\u00e0o \u0111i qua<\/p><\/li><li><p>Th\u01b0\u1eddng do v\u1ea5n \u0111\u1ec1 t\u01b0\u01a1ng th\u00edch ho\u1eb7c kh\u00f4ng kh\u1edbp duplex<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Nh\u1ea7m l\u1eabn v\u1ec1 hai t\u1ed1c \u0111\u1ed9<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c module SFP hai t\u1ed1c \u0111\u1ed9 (1G\/10G) c\u00f3 th\u1ec3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Kh\u00f4ng th\u01b0\u01a1ng l\u01b0\u1ee3ng \u0111\u00fang c\u00e1ch tr\u00ean c\u00e1c b\u1ed9 chuy\u1ec3n m\u1ea1ch kh\u00f4ng h\u1ed7 tr\u1ee3<\/p><\/li><li><p>M\u1eb7c \u0111\u1ecbnh ch\u1ea1y \u1edf t\u1ed1c \u0111\u1ed9 b\u1ea5t ng\u1edd t\u00f9y thu\u1ed9c v\u00e0o c\u1ea5u h\u00ecnh c\u1ed5ng<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >Nh\u1eadn \u0111\u1ecbnh k\u1ef9 thu\u1eadt t\u1eeb c\u00e1c tri\u1ec3n khai th\u1ef1c t\u1ebf<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u00ean kh\u1eafp c\u00e1c m\u00f4i tr\u01b0\u1eddng s\u1ea3n xu\u1ea5t, c\u00e1c k\u1ef9 s\u01b0 m\u1ea1ng gi\u00e0u kinh nghi\u1ec7m lu\u00f4n quan s\u00e1t th\u1ea5y r\u1eb1ng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>80% c\u00e1c s\u1ef1 c\u1ed1 v\u1ec1 t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u SFP li\u00ean quan \u0111\u1ebfn c\u1ea5u h\u00ecnh<\/strong><\/p><\/li><li><p><strong>15% li\u00ean quan \u0111\u1ebfn ph\u1ea7n c\u1ee9ng ho\u1eb7c c\u00e1p<\/strong><\/p><\/li><li><p><strong>Ch\u1ec9 m\u1ed9t ph\u1ea7n nh\u1ecf l\u00e0 do l\u1ed7i th\u1ef1c t\u1ebf c\u1ee7a module quang h\u1ecdc<\/strong><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u n\u00e0y ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c m\u1eabu g\u1ee1 l\u1ed7i ph\u1ed5 bi\u1ebfn trong c\u00e1c m\u1ea1ng doanh nghi\u1ec7p quy m\u00f4 l\u1edbn v\u00e0 trung t\u00e2m d\u1eef li\u1ec7u, n\u01a1i vi\u1ec7c thay th\u1ebf thi\u1ebft b\u1ecb quang h\u1ecdc \u0111\u01a1n thu\u1ea7n hi\u1ebfm khi gi\u1ea3i quy\u1ebft \u0111\u01b0\u1ee3c c\u00e1c v\u1ea5n \u0111\u1ec1 hi\u1ec7u su\u1ea5t tr\u1eeb khi nguy\u00ean nh\u00e2n g\u1ed1c \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh ch\u00ednh x\u00e1c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ph\u1ea7n l\u1edbn c\u00e1c s\u1ef1 c\u1ed1 v\u1ec1 t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u SFP trong m\u1ea1ng th\u1ef1c t\u1ebf kh\u00f4ng ph\u1ea3i do gi\u1edbi h\u1ea1n t\u1ed1c \u0111\u1ed9 c\u1ee7a module m\u00e0 do:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>S\u1ef1 kh\u00f4ng kh\u1edbp t\u1ed1c \u0111\u1ed9 gi\u1eefa c\u1ed5ng v\u00e0 thi\u1ebft b\u1ecb quang h\u1ecdc<\/p><\/li><li><p>Ki\u1ebfn tr\u00fac b\u1ed9 chuy\u1ec3n m\u1ea1ch v\u00e0 t\u00ecnh tr\u1ea1ng qu\u00e1 t\u1ea3i<\/p><\/li><li><p>C\u00e1c h\u1ea1n ch\u1ebf t\u01b0\u01a1ng th\u00edch v\u1ec1 firmware ho\u1eb7c nh\u00e0 cung c\u1ea5p<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t c\u00e1ch ti\u1ebfp c\u1eadn h\u1ec7 th\u1ed1ng\u2014ki\u1ec3m tra c\u1ea5u h\u00ecnh, t\u00ednh t\u01b0\u01a1ng th\u00edch v\u00e0 c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng tr\u01b0\u1edbc ti\u00ean\u2014s\u1ebd d\u1eabn \u0111\u1ebfn vi\u1ec7c g\u1ee1 l\u1ed7i nhanh h\u01a1n v\u00e0 ch\u00ednh x\u00e1c h\u01a1n so v\u1edbi vi\u1ec7c thay th\u1ebf module m\u1ed9t c\u00e1ch m\u00f9 qu\u00e1ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udd04 L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 ch\u1ecdn t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u SFP ph\u00f9 h\u1ee3p cho m\u1ea1ng c\u1ee7a b\u1ea1n?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c l\u1ef1a ch\u1ecdn t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u SFP ph\u00f9 h\u1ee3p kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 ch\u1ecdn module nhanh nh\u1ea5t c\u00f3 s\u1eb5n\u2014m\u00e0 l\u00e0 c\u00e2n b\u1eb1ng y\u00eau c\u1ea7u b\u0103ng th\u00f4ng v\u1edbi ki\u1ebfn tr\u00fac m\u1ea1ng, m\u1ee5c ti\u00eau m\u1edf r\u1ed9ng quy m\u00f4 v\u00e0 hi\u1ec7u qu\u1ea3 chi ph\u00ed. Trong c\u00e1c m\u00f4i tr\u01b0\u1eddng doanh nghi\u1ec7p v\u00e0 trung t\u00e2m d\u1eef li\u1ec7u hi\u1ec7n \u0111\u1ea1i, quy\u1ebft \u0111\u1ecbnh th\u01b0\u1eddng xoay quanh ba lo\u1ea1i: SFP 1G, SFP+ 10G v\u00e0 SFP28 25G, m\u1ed7i lo\u1ea1i ph\u1ee5c v\u1ee5 m\u1ed9t l\u1edbp kh\u00e1c nhau trong m\u1ea1ng.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e9fa82cd8cad48be9a1947b14ef88382.jpg\" alt=\"How to Choose the Right SFP Data Rate for Your Network\" class=\"wp-image-2978\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e9fa82cd8cad48be9a1947b14ef88382.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e9fa82cd8cad48be9a1947b14ef88382-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e9fa82cd8cad48be9a1947b14ef88382-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e9fa82cd8cad48be9a1947b14ef88382-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/e9fa82cd8cad48be9a1947b14ef88382-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >L\u1edbp truy c\u1eadp vs. L\u1edbp t\u1ed5ng h\u1ee3p vs. Trung t\u00e2m d\u1eef li\u1ec7u<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t c\u00e1ch th\u1ef1c ti\u1ec5n \u0111\u1ec3 ch\u1ecdn t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u SFP ph\u00f9 h\u1ee3p l\u00e0 g\u1eafn tr\u1ef1c ti\u1ebfp n\u00f3 v\u1edbi ph\u00e2n c\u1ea5p m\u1ea1ng:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>L\u1edbp truy c\u1eadp (Thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i &amp; B\u1ed9 chuy\u1ec3n m\u1ea1ch bi\u00ean)<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u1edbp truy c\u1eadp k\u1ebft n\u1ed1i c\u00e1c \u0111i\u1ec3m cu\u1ed1i nh\u01b0 m\u00e1y t\u00ednh c\u00e1 nh\u00e2n, \u0111i\u1ec7n tho\u1ea1i IP, \u0111i\u1ec3m truy c\u1eadp v\u00e0 thi\u1ebft b\u1ecb IoT.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>T\u1ed1c \u0111\u1ed9 \u0111i\u1ec3n h\u00ecnh: 1G SFP<br><\/p><\/li><li><p>L\u00fd do: C\u00e1c thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i hi\u1ebfm khi y\u00eau c\u1ea7u h\u01a1n 1 Gbps ri\u00eang l\u1ebb<br><\/p><\/li><li><p>Tr\u1ecdng t\u00e2m: Hi\u1ec7u qu\u1ea3 chi ph\u00ed v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch<br><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>L\u1edbp t\u1ed5ng h\u1ee3p (C\u00e1c b\u1ed9 chuy\u1ec3n m\u1ea1ch ph\u00e2n ph\u1ed1i)<br><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u1edbp n\u00e0y t\u1ed5ng h\u1ee3p l\u01b0u l\u01b0\u1ee3ng t\u1eeb nhi\u1ec1u b\u1ed9 chuy\u1ec3n m\u1ea1ch truy c\u1eadp v\u00e0 chuy\u1ec3n ti\u1ebfp l\u00ean tr\u00ean.<br>.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>T\u1ed1c \u0111\u1ed9 \u0111i\u1ec3n h\u00ecnh: 10G SFP+<br><\/p><\/li><li><p>L\u00fd do: X\u1eed l\u00fd s\u1ef1 t\u1eadp trung l\u01b0u l\u01b0\u1ee3ng t\u1eeb nhi\u1ec1u li\u00ean k\u1ebft 1G<br><\/p><\/li><li><p>Tr\u1ecdng t\u00e2m: Th\u00f4ng l\u01b0\u1ee3ng cao h\u01a1n v\u00e0 gi\u1ea3m t\u1eafc ngh\u1ebdn<br><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Trung t\u00e2m d\u1eef li\u1ec7u \/ L\u1edbp l\u00f5i<br><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e2y l\u00e0 n\u01a1i x\u1ea3y ra chuy\u1ec3n m\u1ea1ch t\u1ed1c \u0111\u1ed9 cao v\u00e0 di chuy\u1ec3n d\u1eef li\u1ec7u quy m\u00f4 l\u1edbn.<br>.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>T\u1ed1c \u0111\u1ed9 \u0111i\u1ec3n h\u00ecnh: 10G SFP+ \u2192 25G SFP28<br><\/p><\/li><li><p>L\u00fd do: L\u01b0u l\u01b0\u1ee3ng m\u1eadt \u0111\u1ed9 cao, \u1ea3o h\u00f3a, kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y<br><\/p><\/li><li><p>Tr\u1ecdng t\u00e2m: Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng, \u0111\u1ed9 tr\u1ec5 th\u1ea5p v\u00e0 hi\u1ec7u qu\u1ea3 b\u0103ng th\u00f4ng<br><\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" >Khi n\u00e0o n\u00ean ch\u1ecdn SFP 1G, 10G ho\u1eb7c 25G<br><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c l\u1ef1a ch\u1ecdn t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u SFP ph\u00f9 h\u1ee3p ph\u1ee5 thu\u1ed9c v\u00e0o c\u1ea3 nhu c\u1ea7u hi\u1ec7n t\u1ea1i v\u00e0 y\u00eau c\u1ea7u m\u1edf r\u1ed9ng trong t\u01b0\u01a1ng lai.<br>.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" >Ch\u1ecdn SFP 1G khi:<br><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>B\u1ea1n \u0111ang tri\u1ec3n khai ho\u1eb7c duy tr\u00ec m\u1ea1ng k\u1ebf th\u1eeba<br><\/p><\/li><li><p>Nhu c\u1ea7u l\u01b0u l\u01b0\u1ee3ng th\u1ea5p \u0111\u1ebfn trung b\u00ecnh<br><\/p><\/li><li><p>T\u1ed1i \u01b0u h\u00f3a chi ph\u00ed l\u00e0 \u01b0u ti\u00ean h\u00e0ng \u0111\u1ea7u<\/p><\/li><li><p>Thi\u1ebft b\u1ecb ch\u1ec9 h\u1ed7 tr\u1ee3 Ethernet Gigabit<br><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 Ph\u00f9 h\u1ee3p nh\u1ea5t cho: c\u00e1c b\u1ed9 chuy\u1ec3n m\u1ea1ch truy c\u1eadp khu\u00f4n vi\u00ean, bi\u00ean LAN doanh nghi\u1ec7p<br><\/p>\n\n\n\n<h4 class=\"wp-block-heading\" >Ch\u1ecdn SFP+ 10G khi:<br><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>B\u1ea1n c\u1ea7n li\u00ean k\u1ebft l\u00ean t\u1ed1c \u0111\u1ed9 cao ho\u1eb7c k\u1ebft n\u1ed1i m\u00e1y ch\u1ee7<br><\/p><\/li><li><p>C\u1ea7n t\u1ed5ng h\u1ee3p l\u01b0u l\u01b0\u1ee3ng<br><\/p><\/li><li><p>B\u1ea1n \u0111ang n\u00e2ng c\u1ea5p t\u1eeb c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng 1G<br><\/p><\/li><li><p>C\u1ea7n c\u00e2n b\u1eb1ng gi\u1eefa chi ph\u00ed v\u00e0 hi\u1ec7u n\u0103ng<br><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 Ph\u00f9 h\u1ee3p nh\u1ea5t cho: l\u00f5i doanh nghi\u1ec7p, li\u00ean k\u1ebft l\u00ean trung t\u00e2m d\u1eef li\u1ec7u, m\u00e1y ch\u1ee7 \u1ea3o h\u00f3a<br><\/p>\n\n\n\n<h4 class=\"wp-block-heading\" >Ch\u1ecdn SFP28 25G khi:<br><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>B\u1ea1n \u0111ang x\u00e2y d\u1ef1ng m\u00f4i tr\u01b0\u1eddng \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y hi\u1ec7n \u0111\u1ea1i ho\u1eb7c si\u00eau quy m\u00f4<br><\/p><\/li><li><p>Y\u00eau c\u1ea7u m\u1eadt \u0111\u1ed9 b\u0103ng th\u00f4ng cao tr\u00ean m\u1ed7i c\u1ed5ng<br><\/p><\/li><li><p>B\u1ea1n c\u1ea7n ki\u1ebfn tr\u00fac s\u1eb5n s\u00e0ng cho t\u01b0\u01a1ng lai<br><\/p><\/li><li><p>B\u1ea1n \u0111ang thi\u1ebft k\u1ebf m\u1ea1ng l\u00e1\u2013c\u1ed9t s\u1ed1ng (leaf-spine)<br><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 Ph\u00f9 h\u1ee3p nh\u1ea5t cho: kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c tr\u00ed tu\u1ec7 nh\u00e2n t\u1ea1o (AI), c\u1ee5m \u0111i\u1ec7n to\u00e1n hi\u1ec7u n\u0103ng cao (HPC), trung t\u00e2m d\u1eef li\u1ec7u \u0111\u00e1m m\u00e2y<br><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Chi\u1ebfn l\u01b0\u1ee3c di chuy\u1ec3n (\u0110\u01b0\u1eddng d\u1eabn n\u00e2ng c\u1ea5p t\u1eeb 1G \u2192 10G)<br><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c n\u00e2ng c\u1ea5p t\u1ed1c \u0111\u1ed9 m\u1ea1ng hi\u1ebfm khi l\u00e0 m\u1ed9t quy tr\u00ecnh m\u1ed9t b\u01b0\u1edbc duy nh\u1ea5t. Ph\u1ea7n l\u1edbn c\u00e1c t\u1ed5 ch\u1ee9c \u00e1p d\u1ee5ng chi\u1ebfn l\u01b0\u1ee3c di chuy\u1ec3n t\u1eebng giai \u0111o\u1ea1n nh\u1eb1m gi\u1ea3m chi ph\u00ed v\u00e0 t\u1ed1i thi\u1ec3u th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng.<br>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Giai \u0111o\u1ea1n 1: X\u00e1c \u0111\u1ecbnh \u0111i\u1ec3m ngh\u1ebdn<br><\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Gi\u00e1m s\u00e1t t\u00ecnh tr\u1ea1ng t\u1eafc ngh\u1ebdn li\u00ean k\u1ebft l\u00ean 1G<br><\/p><\/li><li><p>X\u00e1c \u0111\u1ecbnh c\u00e1c \u0111i\u1ec3m t\u1ed5ng h\u1ee3p l\u01b0u l\u01b0\u1ee3ng cao<br><\/p><\/li><li><p>S\u1eed d\u1ee5ng c\u00f4ng c\u1ee5 ph\u00e2n t\u00edch l\u01b0u l\u01b0\u1ee3ng \u0111\u1ec3 l\u1eadp b\u1ea3n \u0111\u1ed3 m\u1ee9c s\u1eed d\u1ee5ng b\u0103ng th\u00f4ng<br><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Giai \u0111o\u1ea1n 2: N\u00e2ng c\u1ea5p l\u1edbp t\u1ed5ng h\u1ee3p tr\u01b0\u1edbc ti\u00ean<br><\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Thay th\u1ebf c\u00e1c li\u00ean k\u1ebft l\u00ean 1G b\u1eb1ng SFP+ 10G<br><\/p><\/li><li><p>Gi\u1eef nguy\u00ean l\u1edbp truy c\u1eadp \u1edf m\u1ee9c 1G \u0111\u1ec3 ki\u1ec3m so\u00e1t chi ph\u00ed<br><\/p><\/li><li><p>Ngay l\u1eadp t\u1ee9c gi\u1ea3m t\u1eafc ngh\u1ebdn tr\u00ean c\u00e1c \u0111\u01b0\u1eddng \u0111i l\u00f5i<br><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Giai \u0111o\u1ea1n 3: N\u00e2ng c\u1ea5p d\u1ea7n l\u1edbp truy c\u1eadp<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Chuy\u1ec3n c\u00e1c \u0111i\u1ec3m cu\u1ed1i c\u00f3 nhu c\u1ea7u cao sang t\u1ed1c \u0111\u1ed9 10G khi c\u1ea7n thi\u1ebft<\/p><\/li><li><p>Gi\u1edbi thi\u1ec7u c\u00e1c b\u1ed9 chuy\u1ec3n m\u1ea1ch hai t\u1ed1c \u0111\u1ed9 ho\u1eb7c t\u01b0\u01a1ng th\u00edch n\u1ebfu c\u00f3 s\u1eb5n<\/p><\/li><li><p>Thay th\u1ebf t\u1eebng ph\u1ea7n c\u00e1c k\u1ebft n\u1ed1i \u0111\u1ed3ng\/c\u00e1p quang l\u1ed7i th\u1eddi<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Giai \u0111o\u1ea1n 4: \u0110\u00e1nh gi\u00e1 vi\u1ec7c \u00e1p d\u1ee5ng chu\u1ea9n 25G<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>N\u00e2ng c\u1ea5p t\u1eeb 10G l\u00ean 25G trong m\u00f4i tr\u01b0\u1eddng trung t\u00e2m d\u1eef li\u1ec7u<\/p><\/li><li><p>T\u1ed1i \u01b0u h\u00f3a v\u1ec1 m\u1eadt \u0111\u1ed9 v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng trong t\u01b0\u01a1ng lai<\/p><\/li><li><p>Chu\u1ea9n b\u1ecb cho c\u00e1c y\u00eau c\u1ea7u v\u1ec1 kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c AI\/HPC<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Trong c\u00e1c tri\u1ec3n khai th\u1ef1c t\u1ebf, nh\u1eefng n\u00e2ng c\u1ea5p th\u00e0nh c\u00f4ng nh\u1ea5t tu\u00e2n theo chi\u1ebfn l\u01b0\u1ee3c \u201cgi\u1ea3i quy\u1ebft \u0111i\u1ec3m ngh\u1ebdn tr\u01b0\u1edbc\u201d, ch\u1ee9 kh\u00f4ng ph\u1ea3i c\u00e1ch ti\u1ebfp c\u1eadn thay th\u1ebf to\u00e0n b\u1ed9. K\u1ef9 s\u01b0 th\u01b0\u1eddng tr\u00e1nh n\u00e2ng c\u1ea5p t\u1ea5t c\u1ea3 c\u00e1c \u0111i\u1ec3m cu\u1ed1i c\u00f9ng l\u00fac m\u00e0 thay v\u00e0o \u0111\u00f3 t\u1eadp trung v\u00e0o:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u00e1c \u0111i\u1ec3m t\u1eafc ngh\u1ebdn \u1edf c\u1ed5ng uplink<\/p><\/li><li><p>C\u00e1c gi\u1edbi h\u1ea1n c\u1ee7a b\u1ed9 chuy\u1ec3n m\u1ea1ch l\u00f5i<\/p><\/li><li><p>C\u00e1c d\u1ecbch v\u1ee5 c\u00f3 l\u01b0u l\u01b0\u1ee3ng cao (l\u01b0u tr\u1eef, \u1ea3o h\u00f3a, kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o c\u1ea3i thi\u1ec7n hi\u1ec7u n\u0103ng t\u1ed1i \u0111a v\u1edbi chi ph\u00ed t\u1ed1i thi\u1ec3u.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c l\u1ef1a ch\u1ecdn t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u SFP ph\u00f9 h\u1ee3p l\u00e0 m\u1ed9t quy\u1ebft \u0111\u1ecbnh chi\u1ebfn l\u01b0\u1ee3c trong thi\u1ebft k\u1ebf m\u1ea1ng. M\u1ed9t ki\u1ebfn tr\u00fac c\u00e2n b\u1eb1ng th\u01b0\u1eddng s\u1eed d\u1ee5ng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>SFP 1G<\/strong> cho l\u1edbp truy c\u1eadp<\/p><\/li><li><p><strong>SFP+ 10G<\/strong> cho l\u1edbp t\u1ed5ng h\u1ee3p v\u00e0 l\u00f5i<\/p><\/li><li><p><strong>SFP28 25G<\/strong> cho c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u hi\u1ec7u n\u0103ng cao hi\u1ec7n \u0111\u1ea1i<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t k\u1ebf ho\u1ea1ch di chuy\u1ec3n c\u00f3 c\u1ea5u tr\u00fac \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng d\u00e0i h\u1ea1n m\u00e0 kh\u00f4ng c\u1ea7n thay th\u1ebf c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng m\u1ed9t c\u00e1ch kh\u00f4ng c\u1ea7n thi\u1ebft.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udd04 C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p v\u1ec1 t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u SFP<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5240814ec7e14066be34027bc276c23f.jpg\" alt=\"FAQ About SFP Data Rate\" class=\"wp-image-2979\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5240814ec7e14066be34027bc276c23f.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5240814ec7e14066be34027bc276c23f-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5240814ec7e14066be34027bc276c23f-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5240814ec7e14066be34027bc276c23f-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/5240814ec7e14066be34027bc276c23f-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >C\u00e2u h\u1ecfi 1: T\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u SFP ngh\u0129a l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u SFP \u0111\u1ec1 c\u1eadp \u0111\u1ebfn t\u1ed1c \u0111\u1ed9 truy\u1ec1n Ethernet t\u1ed1i \u0111a \u0111\u01b0\u1ee3c m\u00f4-\u0111un thu ph\u00e1t quang SFP h\u1ed7 tr\u1ee3. N\u00f3 x\u00e1c \u0111\u1ecbnh t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c truy\u1ec1n v\u00e0 nh\u1eadn qua m\u00f4-\u0111un gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb m\u1ea1ng nh\u01b0 b\u1ed9 chuy\u1ec3n m\u1ea1ch, b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn v\u00e0 m\u00e1y ch\u1ee7.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1ec1 m\u1eb7t th\u1ef1c ti\u1ec5n trong m\u1ea1ng, t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u SFP \u0111\u01b0\u1ee3c chia th\u00e0nh ba nh\u00f3m ch\u00ednh:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>SFP 1G (Ethernet Gigabit)<\/strong><\/p><\/li><li><p><strong>SFP+ 10G (Ethernet 10 Gigabit)<\/strong><\/p><\/li><li><p><strong>SFP28 25G (Ethernet 25 Gigabit)<\/strong><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ea7n l\u01b0u \u00fd r\u1eb1ng t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c x\u00e1c \u0111\u1ecbnh b\u1edfi ti\u00eau chu\u1ea9n t\u00edn hi\u1ec7u quang\/\u0111i\u1ec7n, ch\u1ee9 kh\u00f4ng ch\u1ec9 b\u1edfi k\u00edch th\u01b0\u1edbc v\u1eadt l\u00fd c\u1ee7a m\u00f4-\u0111un.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >C\u00e2u h\u1ecfi 2: L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 bi\u1ebft SFP l\u00e0 lo\u1ea1i 1G hay 10G?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f3 ba c\u00e1ch \u0111\u00e1ng tin c\u1eady \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh m\u1ed9t m\u00f4-\u0111un SFP l\u00e0 lo\u1ea1i 1G hay 10G:<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" >Ph\u00e2n t\u00edch nh\u00e3n v\u00e0 m\u00e3 s\u1ed1 linh ki\u1ec7n<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>SFP 1G:<\/strong> Th\u01b0\u1eddng \u0111\u01b0\u1ee3c ghi nh\u00e3n l\u00e0 <em>1000BASE-SX \/ LX \/ <\/em><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/478478.htm\"><em>BX<\/em><\/a><\/p><\/li><li><p><strong>SFP+ 10G:<\/strong> Th\u01b0\u1eddng \u0111\u01b0\u1ee3c ghi nh\u00e3n l\u00e0 <em>10GBASE-SR \/ LR \/ <\/em><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/475852.htm\"><em>ER<\/em><\/a><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">M\u00e3 s\u1ed1 linh ki\u1ec7n th\u01b0\u1eddng n\u00eau r\u00f5 l\u1edbp t\u1ed1c \u0111\u1ed9.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" >X\u00e1c minh b\u1eb1ng b\u1ea3ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ch\u00ednh th\u1ee9c<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Ki\u1ec3m tra b\u1ea3ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt ch\u00ednh th\u1ee9c l\u00e0 ph\u01b0\u01a1ng ph\u00e1p ch\u00ednh x\u00e1c nh\u1ea5t. B\u1ea3ng n\u00e0y s\u1ebd n\u00eau r\u00f5:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Ti\u00eau chu\u1ea9n Ethernet \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3<\/p><\/li><li><p>T\u1ed1c \u0111\u1ed9 t\u00edn hi\u1ec7u (1,25 Gbps so v\u1edbi 10,3125 Gbps)<\/p><\/li><li><p>Giao di\u1ec7n m\u00e1y ch\u1ee7 t\u01b0\u01a1ng th\u00edch (<a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/difference-between-sfp-and-sfp-plus-transceivers\/\">SFP so v\u1edbi SFP+<\/a>)<\/p><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" >M\u00e3 h\u00f3a nh\u00e0 cung c\u1ea5p (C\u00e1c v\u00ed d\u1ee5 c\u1ee7a Cisco \/ HPE \/ Juniper)<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c nh\u00e0 cung c\u1ea5p doanh nghi\u1ec7p th\u01b0\u1eddng s\u1eed d\u1ee5ng m\u00e3 h\u00f3a EEPROM \u0111\u1ec3 kh\u00f3a t\u00ednh t\u01b0\u01a1ng th\u00edch:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u00e1c module quang \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a b\u1edfi Cisco c\u00f3 th\u1ec3 ch\u1ec9 ho\u1ea1t \u0111\u1ed9ng tr\u00ean c\u00e1c thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c Cisco ph\u00ea duy\u1ec7t<\/p><\/li><li><p>HPE Aruba v\u00e0 Juniper c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng c\u00e1c quy t\u1eafc x\u00e1c th\u1ef1c t\u01b0\u01a1ng t\u1ef1<\/p><\/li><li><p>C\u00e1c module b\u00ean th\u1ee9 ba c\u00f3 th\u1ec3 y\u00eau c\u1ea7u m\u00e3 h\u00f3a \u201cm\u1edf kh\u00f3a\u201d ho\u1eb7c t\u01b0\u01a1ng th\u00edch<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao hai module v\u1ec1 m\u1eb7t v\u1eadt l\u00fd gi\u1ed1ng nhau l\u1ea1i c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng kh\u00e1c nhau t\u00f9y thu\u1ed9c v\u00e0o switch.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >C\u00e2u h\u1ecfi 3: SFP+ lu\u00f4n l\u00e0 10 Gb kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">SFP+ ch\u1ee7 y\u1ebfu l\u00e0 ti\u00eau chu\u1ea9n Ethernet 10 Gigabit, nh\u01b0ng h\u00e0nh vi th\u1ef1c t\u1ebf c\u1ee7a n\u00f3 ph\u1ee5 thu\u1ed9c v\u00e0o n\u1ec1n t\u1ea3ng.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" >\u0110\u1ecbnh ngh\u0129a t\u1ed1c \u0111\u1ed9 SFP+<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u0110\u01b0\u1ee3c thi\u1ebft k\u1ebf cho t\u00edn hi\u1ec7u \u1edf t\u1ed1c \u0111\u1ed9 10,3125 Gbps<\/p><\/li><li><p>\u0110\u01b0\u1ee3c s\u1eed d\u1ee5ng cho c\u00e1c k\u1ebft n\u1ed1i 10GBASE-SR, LR v\u00e0 DAC<\/p><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" >H\u00e0nh vi SFP hai t\u1ed1c \u0111\u1ed9 (Dual-Rate SFP)<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t s\u1ed1 module quang l\u00e0 lo\u1ea1i hai t\u1ed1c \u0111\u1ed9 (1G\/10G):<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ed1c \u0111\u1ed9 1G ho\u1eb7c 10G<\/p><\/li><li><p>Y\u00eau c\u1ea7u h\u1ed7 tr\u1ee3 t\u1eeb switch v\u00e0 firmware<\/p><\/li><li><p>Trong nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p, c\u1ea7n c\u1ea5u h\u00ecnh r\u00f5 r\u00e0ng<\/p><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" >Ph\u1ee5 thu\u1ed9c n\u1ec1n t\u1ea3ng (ASIC switch \/ firmware)<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c SFP+ ch\u1ea1y duy nh\u1ea5t \u1edf t\u1ed1c \u0111\u1ed9 10G hay h\u1ed7 tr\u1ee3 c\u1ea3 1G ph\u1ee5 thu\u1ed9c v\u00e0o:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Thi\u1ebft k\u1ebf ASIC c\u1ee7a switch<\/p><\/li><li><p>Gi\u1edbi h\u1ea1n firmware c\u1ee7a nh\u00e0 cung c\u1ea5p<\/p><\/li><li><p>C\u00e0i \u0111\u1eb7t c\u1ea5u h\u00ecnh c\u1ed5ng<\/p><\/li><li><p>Danh s\u00e1ch transceiver \u0111\u01b0\u1ee3c ph\u00ea duy\u1ec7t<br><\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 K\u1ebft lu\u1eadn: SFP+ l\u00e0 10G theo thi\u1ebft k\u1ebf, nh\u01b0ng h\u00e0nh vi th\u1ef1c t\u1ebf ph\u1ee5 thu\u1ed9c v\u00e0o n\u1ec1n t\u1ea3ng<strong>.<\/strong><\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >C\u00e2u h\u1ecfi 4: SFP+ l\u00e0 10G hay 25G?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>SFP+ l\u00e0 10G. N\u00f3 kh\u00f4ng ph\u1ea3i l\u00e0 25G.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Chu\u1ea9n 25G thu\u1ed9c v\u1ec1 m\u1ed9t h\u1ecd module kh\u00e1c:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>SFP+ \u2192 M\u1ea1ng Ethernet 10 Gigabit<\/p><\/li><li><p>SFP28 \u2192 M\u1ea1ng Ethernet 25 Gigabit<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">SFP28 l\u00e0 ng\u01b0\u1eddi k\u1ebf nhi\u1ec7m ti\u1ebfn h\u00f3a c\u1ee7a SFP+, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111\u1ea1t m\u1eadt \u0111\u1ed9 b\u0103ng th\u00f4ng cao h\u01a1n trong c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u hi\u1ec7n \u0111\u1ea1i, m\u00f4i tr\u01b0\u1eddng \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng \u0111i\u1ec7n to\u00e1n hi\u1ec7u n\u0103ng cao.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" >\ud83d\udd04 C\u00e1c \u0111i\u1ec3m ch\u00ednh c\u1ea7n ghi nh\u1edb khi l\u1ef1a ch\u1ecdn v\u00e0 tri\u1ec3n khai t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u SFP<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu b\u1ea1n \u0111ang so s\u00e1nh c\u00e1c b\u1ed9 thu ph\u00e1t quang cho vi\u1ec7c tri\u1ec3n khai m\u1ea1ng th\u1ef1c t\u1ebf, nguy\u00ean t\u1eafc an to\u00e0n v\u00e0 \u0111\u00e1ng tin c\u1eady nh\u1ea5t r\u1ea5t \u0111\u01a1n gi\u1ea3n: gh\u00e9p \u0111\u00fang h\u1ecd module SFP v\u1edbi h\u1ecd c\u1ed5ng t\u01b0\u01a1ng \u1ee9ng, v\u00e0 lu\u00f4n x\u00e1c minh t\u00ednh t\u01b0\u01a1ng th\u00edch b\u1eb1ng b\u1ea3ng d\u1eef li\u1ec7u k\u1ef9 thu\u1eadt ch\u00ednh th\u1ee9c c\u1ee7a nh\u00e0 cung c\u1ea5p tr\u01b0\u1edbc khi mua. Vi\u1ec7c n\u00e0y \u0111\u1ea3m b\u1ea3o l\u1ef1a ch\u1ecdn c\u1ee7a b\u1ea1n ph\u00f9 h\u1ee3p c\u1ea3 v\u1edbi kh\u1ea3 n\u0103ng ph\u1ea7n c\u1ee9ng l\u1eabn c\u00e1c chu\u1ea9n Ethernet \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3, t\u1eeb \u0111\u00f3 gi\u1ea3m thi\u1ec3u r\u1ee7i ro ph\u00e1t sinh s\u1ef1 c\u1ed1 khi tri\u1ec3n khai.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Trong c\u00e1c m\u00f4i tr\u01b0\u1eddng m\u1ea1ng th\u1ef1c t\u1ebf, b\u01b0\u1edbc n\u00e0y c\u1ef1c k\u1ef3 quan tr\u1ecdng v\u00ec ngay c\u1ea3 nh\u1eefng s\u1ef1 kh\u00f4ng kh\u1edbp nh\u1ecf gi\u1eefa c\u00e1c module SFP, SFP+ v\u00e0 SFP28 c\u0169ng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn suy gi\u1ea3m hi\u1ec7u n\u0103ng, m\u1ea5t \u1ed5n \u0111\u1ecbnh k\u1ebft n\u1ed1i ho\u1eb7c th\u1eadm ch\u00ed ho\u00e0n to\u00e0n kh\u00f4ng thi\u1ebft l\u1eadp \u0111\u01b0\u1ee3c li\u00ean k\u1ebft. C\u00e1c nh\u00e0 cung c\u1ea5p l\u1edbn nh\u01b0 Cisco v\u00e0 HPE \u0111\u1ec1u x\u00e1c \u0111\u1ecbnh r\u00f5 r\u00e0ng c\u00e1c module n\u00e0y l\u00e0 c\u00e1c l\u1edbp t\u1ed1c \u0111\u1ed9 ri\u00eang bi\u1ec7t \u2014 1G, 10G v\u00e0 25G \u2014 m\u1ed7i lo\u1ea1i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c t\u1ea7ng m\u1ea1ng v\u00e0 y\u00eau c\u1ea7u hi\u1ec7u n\u0103ng c\u1ee5 th\u1ec3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c cu\u1ed9c th\u1ea3o lu\u1eadn k\u1ef9 thu\u1eadt th\u1ef1c t\u1ebf, bao g\u1ed3m c\u1ea3 nh\u1eefng trao \u0111\u1ed5i trong c\u1ed9ng \u0111\u1ed3ng m\u1ea1ng, \u0111\u1ec1u nh\u1ea5t qu\u00e1n nh\u1ea5n m\u1ea1nh c\u00f9ng m\u1ed9t v\u1ea5n \u0111\u1ec1: nh\u1eefng gi\u1ea3 \u0111\u1ecbnh sai l\u1ea7m v\u1ec1 t\u00ednh t\u01b0\u01a1ng th\u00edch l\u00e0 m\u1ed9t trong nh\u1eefng nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn nh\u1ea5t g\u00e2y ra c\u00e1c s\u1ef1 c\u1ed1 li\u00ean quan \u0111\u1ebfn SFP <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/sfp-troubleshooting-quick-checklist\/\">Kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1<\/a> trong th\u1ef1c t\u1ebf. C\u00e1c v\u1ea5n \u0111\u1ec1 nh\u01b0 th\u00f4ng l\u01b0\u1ee3ng ch\u1eadm, th\u1ea5t b\u1ea1i trong t\u1ef1 th\u01b0\u01a1ng l\u01b0\u1ee3ng (auto-negotiation) ho\u1eb7c h\u00e0nh vi li\u00ean k\u1ebft kh\u00f4ng \u1ed5n \u0111\u1ecbnh th\u01b0\u1eddng kh\u00f4ng xu\u1ea5t ph\u00e1t t\u1eeb c\u00e1p quang m\u00e0 do c\u00e1c b\u1ed9 quang kh\u00f4ng t\u01b0\u01a1ng th\u00edch, gi\u1edbi h\u1ea1n firmware ho\u1eb7c c\u1ea5u h\u00ecnh kh\u00f4ng \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1ec1 b\u1ea3n ch\u1ea5t, vi\u1ec7c hi\u1ec3u r\u00f5 h\u00e0nh vi t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u SFP kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 bi\u1ebft c\u00e1c nh\u00e3n t\u1ed1c \u0111\u1ed9 \u2014 m\u00e0 c\u00f2n l\u00e0 hi\u1ec3u c\u00e1ch th\u1ee9c t\u01b0\u01a1ng t\u00e1c gi\u1eefa c\u00e1c b\u1ed9 quang, switch v\u00e0 thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng trong m\u1ed9t m\u00f4i tr\u01b0\u1eddng m\u1ea1ng th\u1ef1c t\u1ebf.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 x\u00e2y d\u1ef1ng c\u00e1c m\u1ea1ng \u1ed5n \u0111\u1ecbnh v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Lu\u00f4n gh\u00e9p \u0111\u00fang <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/blog\/types-of-sfp-modules-1g-10g-and-25g-network-guide.htm\">lo\u1ea1i SFP<\/a> (1G \/ 10G \/ 25G) v\u1edbi kh\u1ea3 n\u0103ng c\u1ee7a c\u1ed5ng switch<\/p><\/li><li><p>X\u00e1c nh\u1eadn t\u00ednh t\u01b0\u01a1ng th\u00edch b\u1eb1ng b\u1ea3ng d\u1eef li\u1ec7u k\u1ef9 thu\u1eadt ch\u00ednh th\u1ee9c<\/p><\/li><li><p>Tr\u00e1nh \u0111\u01b0a ra gi\u1ea3 \u0111\u1ecbnh ch\u1ec9 d\u1ef1a tr\u00ean y\u1ebfu t\u1ed1 h\u00ecnh d\u00e1ng v\u1eadt l\u00fd (form factor)<\/p><\/li><li><p>C\u00e2n nh\u1eafc h\u00e0nh vi tri\u1ec3n khai th\u1ef1c t\u1ebf, ch\u1ee9 kh\u00f4ng ch\u1ec9 t\u1ed1c \u0111\u1ed9 l\u00fd thuy\u1ebft<\/p><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/a2b42d2b697146028ce141bfbe794159.jpg\" alt=\"Key Takeaways for SFP Data Rate Selection and Deployment\" class=\"wp-image-2980\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/a2b42d2b697146028ce141bfbe794159.jpg 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/a2b42d2b697146028ce141bfbe794159-300x169.jpg 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/a2b42d2b697146028ce141bfbe794159-1024x576.jpg 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/a2b42d2b697146028ce141bfbe794159-768x432.jpg 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/a2b42d2b697146028ce141bfbe794159-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\" >Kh\u00e1m ph\u00e1 c\u00e1c Gi\u1ea3i ph\u00e1p SFP T\u01b0\u01a1ng th\u00edch<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi k\u1ef9 s\u01b0, \u0111\u1ed9i t\u00edch h\u1ee3p h\u1ec7 th\u1ed1ng v\u00e0 \u0111\u1ed9i mua h\u00e0ng \u0111ang t\u00ecm ki\u1ebfm c\u00e1c b\u1ed9 thu ph\u00e1t quang \u0111\u00e1ng tin c\u1eady c\u0169ng nh\u01b0 c\u00e1c gi\u1ea3i ph\u00e1p k\u1ebft n\u1ed1i m\u1ea1ng, b\u1ea1n c\u00f3 th\u1ec3 kh\u00e1m ph\u00e1 c\u00e1c s\u1ea3n ph\u1ea9m t\u01b0\u01a1ng th\u00edch ch\u1ea5t l\u01b0\u1ee3ng cao v\u00e0 t\u00e0i nguy\u00ean k\u1ef9 thu\u1eadt t\u1ea1i LINK-PP.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 Truy c\u1eadp <a target=\"_self\" href=\"https:\/\/www.l-p.com\/\">C\u1eeda h\u00e0ng Ch\u00ednh th\u1ee9c LINK-PP<\/a> \u0111\u1ec3 xem c\u00e1c t\u00f9y ch\u1ecdn SFP, SFP+ v\u00e0 SFP28, b\u1ea3ng d\u1eef li\u1ec7u k\u1ef9 thu\u1eadt v\u00e0 h\u01b0\u1edbng d\u1eabn t\u01b0\u01a1ng th\u00edch d\u00e0nh cho c\u00e1c d\u1ef1 \u00e1n m\u1ea1ng c\u1ee7a b\u1ea1n.<\/p>","protected":false},"excerpt":{"rendered":"<p>Hi\u1ec3u s\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 t\u1ed1c \u0111\u1ed9 d\u1eef li\u1ec7u SFP \u1edf c\u00e1c m\u1ee9c 1G, 10G v\u00e0 25G. T\u00ecm hi\u1ec3u t\u00ednh t\u01b0\u01a1ng th\u00edch, gi\u1edbi h\u1ea1n t\u1ed1c \u0111\u1ed9 v\u00e0 c\u00e1ch ch\u1ecdn m\u00f4-\u0111un SFP ho\u1eb7c SFP+ ph\u00f9 h\u1ee3p.<\/p>","protected":false},"author":1,"featured_media":2981,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[28],"tags":[14,15,26],"class_list":["post-2982","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-products","tag-10g-sfp-transceivers","tag-link-pp-1g-sfp-modules","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/2982","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=2982"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/2982\/revisions"}],"predecessor-version":[{"id":10740,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/2982\/revisions\/10740"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/2981"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=2982"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=2982"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=2982"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}