{"id":2481,"date":"2026-04-13T00:00:00","date_gmt":"2026-04-13T00:00:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/can-you-use-1gb-sfp-in-10gb-port\/"},"modified":"2026-06-22T03:33:52","modified_gmt":"2026-06-22T03:33:52","slug":"can-you-use-1gb-sfp-in-10gb-port","status":"publish","type":"post","link":"https:\/\/resources.l-p.com\/vi\/knowledge-center\/can-you-use-1gb-sfp-in-10gb-port","title":{"rendered":"C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng SFP 1Gb trong c\u1ed5ng 10Gb kh\u00f4ng? H\u01b0\u1edbng d\u1eabn t\u01b0\u01a1ng th\u00edch"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"628\" src=\"https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/2a05427882ba4b72846af184e0f9b2d2.jpg\" alt=\"Can You Use 1Gb SFP in 10Gb Port? Compatibility Guide\" class=\"wp-image-2470\" srcset=\"https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/2a05427882ba4b72846af184e0f9b2d2.jpg 1200w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/2a05427882ba4b72846af184e0f9b2d2-300x157.jpg 300w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/2a05427882ba4b72846af184e0f9b2d2-1024x536.jpg 1024w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/2a05427882ba4b72846af184e0f9b2d2-768x402.jpg 768w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/2a05427882ba4b72846af184e0f9b2d2-18x9.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu b\u1ea1n \u0111ang n\u00e2ng c\u1ea5p m\u1ea1ng c\u1ee7a m\u00ecnh ho\u1eb7c c\u1ed1 g\u1eafng t\u00e1i s\u1eed d\u1ee5ng ph\u1ea7n c\u1ee9ng hi\u1ec7n c\u00f3, m\u1ed9t c\u00e2u h\u1ecfi s\u1ebd li\u00ean t\u1ee5c xu\u1ea5t hi\u1ec7n: <strong>b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng <\/strong><a target=\"_self\" href=\"https:\/\/www.l-p.com\/store-26155-1g-sfp.htm\"><strong>m\u00f4-\u0111un SFP 1Gb<\/strong><\/a><strong> trong c\u00e1c c\u1ea5u h\u00ecnh c\u1ed5ng 10Gb m\u00e0 kh\u00f4ng g\u1eb7p s\u1ef1 c\u1ed1 kh\u00f4ng?<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e2u tr\u1ea3 l\u1eddi ng\u1eafn g\u1ecdn l\u00e0 <strong>c\u00f3\u2014nh\u01b0ng ch\u1ec9 trong c\u00e1c \u0111i\u1ec1u ki\u1ec7n c\u1ee5 th\u1ec3<\/strong>. M\u1eb7c d\u00f9 m\u00f4-\u0111un SFP 1G s\u1ebd v\u1eeba kh\u00edt v\u1ec1 m\u1eb7t v\u1eadt l\u00fd v\u00e0o c\u1ed5ng SFP+ 10G, nh\u01b0ng kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch th\u1ef1c t\u1ebf ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c c\u1ed5ng c\u00f3 h\u1ed7 tr\u1ee3 ho\u1ea1t \u0111\u1ed9ng ng\u01b0\u1ee3c (1G) hay kh\u00f4ng, c\u0169ng nh\u01b0 vi\u1ec7c c\u1ed5ng \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh \u0111\u00fang ch\u01b0a. Trong nhi\u1ec1u tri\u1ec3n khai th\u1ef1c t\u1ebf, k\u1ef9 s\u01b0 nh\u1eadn th\u1ea5y k\u1ebft n\u1ed1i ho\u1ea1t \u0111\u1ed9ng ngay l\u1eadp t\u1ee9c\u2014ho\u1eb7c ho\u00e0n to\u00e0n kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng\u2014t\u00f9y thu\u1ed9c v\u00e0o c\u00e1c y\u1ebfu t\u1ed1 nh\u01b0 chipset b\u1ed9 chuy\u1ec3n m\u1ea1ch, firmware v\u00e0 c\u00e0i \u0111\u1eb7t c\u1ea5u h\u00ecnh.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u1ee7 \u0111\u1ec1 n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u00e1c k\u1ef9 s\u01b0 m\u1ea1ng qu\u1ea3n l\u00fd m\u00f4i tr\u01b0\u1eddng t\u1ed1c \u0111\u1ed9 h\u1ed7n h\u1ee3p (1G + 10G)<\/p><\/li>\n\n\n\n<li><p>C\u00e1c nh\u00e0 mua IT t\u00ecm c\u00e1ch gi\u1ea3m chi ph\u00ed b\u1eb1ng c\u00e1ch t\u00e1i s\u1eed d\u1ee5ng c\u00e1c module quang 1G<\/p><\/li>\n\n\n\n<li><p>C\u00e1c nh\u00e0 t\u00edch h\u1ee3p h\u1ec7 th\u1ed1ng x\u1eed l\u00fd s\u1ef1 c\u1ed1 m\u1ea5t k\u1ebft n\u1ed1i ho\u1eb7c kh\u00f4ng kh\u1edbp t\u1ed1c \u0111\u1ed9<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1eb1ng c\u00e1ch \u0111\u1ecdc h\u01b0\u1edbng d\u1eabn n\u00e0y, b\u1ea1n s\u1ebd h\u1ecdc \u0111\u01b0\u1ee3c:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Khi n\u00e0o m\u00f4-\u0111un SFP 1G s\u1ebd ho\u1ea1t \u0111\u1ed9ng v\u00e0 khi n\u00e0o s\u1ebd kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng trong c\u1ed5ng 10G<\/p><\/li>\n\n\n\n<li><p>C\u00e1ch c\u1ea5u h\u00ecnh b\u1ed9 chuy\u1ec3n m\u1ea1ch c\u1ee7a b\u1ea1n m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh t\u01b0\u01a1ng th\u00edch<\/p><\/li>\n\n\n\n<li><p>S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa SFP v\u00e0 <a href=\"https:\/\/www.l-p.com\/store-26192-10g-sfp.htm\" target=\"_self\">m\u00f4-\u0111un SFP+<\/a><\/p><\/li>\n\n\n\n<li><p>C\u00e1ch ch\u1ecdn m\u00f4-\u0111un ph\u00f9 h\u1ee3p \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u su\u1ea5t \u1ed5n \u0111\u1ecbnh<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">D\u00f9 b\u1ea1n \u0111ang l\u00ean k\u1ebf ho\u1ea1ch n\u00e2ng c\u1ea5p m\u1ea1ng hay kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1 t\u01b0\u01a1ng th\u00edch, b\u00e0i vi\u1ebft n\u00e0y s\u1ebd cung c\u1ea5p cho b\u1ea1n nh\u1eefng c\u00e2u tr\u1ea3 l\u1eddi r\u00f5 r\u00e0ng, thi\u1ebft th\u1ef1c\u2014kh\u00f4ng ch\u1ec9 l\u00fd thuy\u1ebft\u2014\u0111\u1ec3 b\u1ea1n c\u00f3 th\u1ec3 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh \u0111\u00fang \u0111\u1eafn m\u1ed9t c\u00e1ch t\u1ef1 tin.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u2b50 B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u00f4-\u0111un SFP 1Gb trong c\u1ed5ng 10Gb kh\u00f4ng? (C\u00e2u tr\u1ea3 l\u1eddi nhanh)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00f3, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng m\u00f4-\u0111un SFP 1Gb trong c\u1ed5ng SFP+ 10Gb\u2014nh\u01b0ng ch\u1ec9 khi c\u1ed5ng h\u1ed7 tr\u1ee3 ch\u1ebf \u0111\u1ed9 tr\u1edf l\u1ea1i 1G (1G fallback) ho\u1eb7c \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh \u0111\u1ec3 ch\u1ea1y \u1edf t\u1ed1c \u0111\u1ed9 1Gbps.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e2y l\u00e0 \u0111i\u1ec3m m\u1ea5u ch\u1ed1t:<br>M\u1eb7c d\u00f9 <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/478230.htm\">SFP<\/a> and <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/475415.htm\">SFP+<\/a> chia s\u1ebb c\u00f9ng k\u00edch th\u01b0\u1edbc v\u1eadt l\u00fd, nh\u01b0ng t\u00ednh t\u01b0\u01a1ng th\u00edch kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o \u1edf c\u1ea5p \u0111\u1ed9 \u0111i\u1ec7n v\u00e0 firmware. M\u1ed9t c\u1ed5ng 10G ph\u1ea3i h\u1ed7 tr\u1ee3 r\u00f5 r\u00e0ng t\u00ednh t\u01b0\u01a1ng th\u00edch ng\u01b0\u1ee3c (ch\u1ebf \u0111\u1ed9 1G) \u0111\u1ec3 nh\u1eadn di\u1ec7n v\u00e0 v\u1eadn h\u00e0nh v\u1edbi m\u00f4-\u0111un 1G.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/7ffc336849f84e018df8c863648b907b.jpg\" alt=\"Can You Use a 1Gb SFP in a 10Gb Port?\" class=\"wp-image-2471\" srcset=\"https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/7ffc336849f84e018df8c863648b907b.jpg 1200w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/7ffc336849f84e018df8c863648b907b-300x169.jpg 300w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/7ffc336849f84e018df8c863648b907b-1024x576.jpg 1024w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/7ffc336849f84e018df8c863648b907b-768x432.jpg 768w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/7ffc336849f84e018df8c863648b907b-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Khi n\u00f3 ho\u1ea1t \u0111\u1ed9ng:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u1ed5ng SFP+ h\u1ed7 tr\u1ee3 ho\u1ea1t \u0111\u1ed9ng hai t\u1ed1c \u0111\u1ed9 (1G\/10G)<\/p><\/li>\n\n\n\n<li><p>B\u1ed9 chuy\u1ec3n m\u1ea1ch cho ph\u00e9p c\u1ea5u h\u00ecnh th\u1ee7 c\u00f4ng t\u1ed1c \u0111\u1ed9 v\u1ec1 1Gbps<\/p><\/li>\n\n\n\n<li><p>M\u00f4-\u0111un t\u01b0\u01a1ng th\u00edch v\u1edbi nh\u00e0 s\u1ea3n xu\u1ea5t ho\u1eb7c \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a \u0111\u00fang c\u00e1ch<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Khi n\u00f3 kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u1ed5ng ch\u1ec9 h\u1ed7 tr\u1ee3 10G (kh\u00f4ng h\u1ed7 tr\u1ee3 tr\u1edf l\u1ea1i)<\/p><\/li>\n\n\n\n<li><p>T\u1ef1 th\u01b0\u01a1ng l\u01b0\u1ee3ng t\u1ed1c \u0111\u1ed9 th\u1ea5t b\u1ea1i v\u00e0 t\u1ed1c \u0111\u1ed9 b\u1ecb kh\u00f3a \u1edf m\u1ee9c 10G<\/p><\/li>\n\n\n\n<li><p>Thi\u1ebft b\u1ecb \u00e1p d\u1ee5ng c\u00e1c h\u1ea1n ch\u1ebf nghi\u00eam ng\u1eb7t theo nh\u00e0 s\u1ea3n xu\u1ea5t<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u201cCh\u1ebf \u0111\u1ed9 tr\u1edf l\u1ea1i 1G\u201d (1G fallback) l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u1ea3 n\u0103ng d\u1ef1 ph\u00f2ng c\u00f3 ngh\u0129a l\u00e0 c\u1ed5ng 10G c\u00f3 th\u1ec3 gi\u1ea3m t\u1ed1c \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng xu\u1ed1ng c\u00f2n 1 Gbps khi ch\u00e8n m\u00f4-\u0111un SFP 1G. T\u00ednh n\u0103ng n\u00e0y ph\u1ed5 bi\u1ebfn tr\u00ean c\u00e1c b\u1ed9 chuy\u1ec3n m\u1ea1ch doanh nghi\u1ec7p, nh\u01b0ng kh\u00f4ng ph\u1ea3i l\u00fac n\u00e0o c\u0169ng c\u00f3, \u0111\u1eb7c bi\u1ec7t tr\u00ean ph\u1ea7n c\u1ee9ng gi\u00e1 th\u1ea5p h\u01a1n ho\u1eb7c c\u0169 h\u01a1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>T\u00f3m l\u1ea1i:<\/strong><br>M\u1ed9t m\u00f4-\u0111un SFP 1G c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng tr\u00ean c\u1ed5ng 10G, nh\u01b0ng b\u1ea1n lu\u00f4n n\u00ean ki\u1ec3m tra th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt c\u1ee7a b\u1ed9 chuy\u1ec3n m\u1ea1ch ho\u1eb7c c\u1ea5u h\u00ecnh th\u1ee7 c\u00f4ng c\u1ed5ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u2b50 C\u01a1 ch\u1ebf t\u01b0\u01a1ng th\u00edch th\u1ef1c t\u1ebf gi\u1eefa SFP v\u00e0 SFP+<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Nh\u00ecn s\u01a1 qua, <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/476763.htm\">SFP (1G)<\/a> and <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/475586.htm\">SFP+ (10G)<\/a> c\u00e1c m\u00f4-\u0111un tr\u00f4ng gi\u1ed1ng h\u1ec7t nhau\u2014v\u00e0 \u0111i\u1ec1u n\u00e0y l\u00e0 c\u00f3 ch\u1ee7 \u0111\u00edch. Ch\u00fang chia s\u1ebb c\u00f9ng m\u1ed9t thi\u1ebft k\u1ebf khoang v\u1eadt l\u00fd, cho ph\u00e9p k\u1ef9 s\u01b0 ch\u00e8n b\u1ea5t k\u1ef3 lo\u1ea1i m\u00f4-\u0111un n\u00e0o v\u00e0o nhi\u1ec1u b\u1ed9 chuy\u1ec3n m\u1ea1ch m\u1ea1ng hi\u1ec7n \u0111\u1ea1i. Tuy nhi\u00ean, s\u1ef1 v\u1eeba kh\u00edt v\u1ec1 m\u1eb7t v\u1eadt l\u00fd kh\u00f4ng \u0111\u1ea3m b\u1ea3o t\u00ednh t\u01b0\u01a1ng th\u00edch ch\u1ee9c n\u0103ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 hi\u1ec3u li\u1ec7u m\u1ed9t m\u00f4-\u0111un SFP 1Gb c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng tr\u00ean c\u1ed5ng SFP+ 10Gb hay kh\u00f4ng, b\u1ea1n c\u1ea7n nh\u00ecn v\u01b0\u1ee3t ra ngo\u00e0i h\u00ecnh d\u00e1ng v\u00e0 t\u1eadp trung v\u00e0o c\u00e1ch ph\u1ea7n c\u1ee9ng v\u00e0 c\u00e1c l\u1edbp t\u00edn hi\u1ec7u v\u1eadn h\u00e0nh.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/134bd51e775d4af9817bf7ea0600203e.jpg\" alt=\"How SFP and SFP+ Compatibility Actually Works\" class=\"wp-image-2472\" srcset=\"https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/134bd51e775d4af9817bf7ea0600203e.jpg 1200w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/134bd51e775d4af9817bf7ea0600203e-300x169.jpg 300w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/134bd51e775d4af9817bf7ea0600203e-1024x576.jpg 1024w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/134bd51e775d4af9817bf7ea0600203e-768x432.jpg 768w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/134bd51e775d4af9817bf7ea0600203e-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">T\u01b0\u01a1ng th\u00edch v\u1ec1 m\u1eb7t v\u1eadt l\u00fd (c\u00f9ng h\u1ec7 s\u1ed1 d\u1ea1ng)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ea3 m\u00f4-\u0111un SFP v\u00e0 SFP+ \u0111\u1ec1u s\u1eed d\u1ee5ng c\u00f9ng m\u1ed9t <a target=\"_blank\" rel=\"\" href=\"https:\/\/resources.l-p.com\/vi\/the-hot-pluggable-nature-of-optical-modules\/\">hot-pluggable<\/a>, h\u1ec7 s\u1ed1 d\u1ea1ng d\u1ef1a tr\u00ean \u0111\u1ea7u n\u1ed1i <code>LC<\/code>, \u0111i\u1ec1u \u0111\u00f3 c\u00f3 ngh\u0129a l\u00e0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>M\u1ed9t m\u00f4-\u0111un SFP 1G s\u1ebd v\u1eeba kh\u00edt v\u1eadt l\u00fd v\u00e0o c\u1ed5ng SFP+<\/p><\/li>\n\n\n\n<li><p>C\u1ed5ng kh\u00f4ng ng\u0103n vi\u1ec7c ch\u00e8n do k\u00edch th\u01b0\u1edbc<\/p><\/li>\n\n\n\n<li><p>Thi\u1ebft k\u1ebf khoang v\u00e0 \u0111\u1ea7u n\u1ed1i \u0111\u01b0\u1ee3c chu\u1ea9n h\u00f3a m\u1ed9t c\u00e1ch c\u00f3 ch\u1ee7 \u00fd<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ef1 ho\u00e1n \u0111\u1ed5i v\u1eadt l\u00fd n\u00e0y l\u00e0 l\u00fd do v\u00ec sao nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng gi\u1ea3 \u0111\u1ecbnh t\u00ednh t\u01b0\u01a1ng th\u00edch \u0111\u1ea7y \u0111\u1ee7 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resources.l-p.com\/vi\/knowledge-center\/how-to-test-sfp-compatibility\/\">t\u01b0\u01a1ng th\u00edch<\/a>\u2014nh\u01b0ng n\u00f3 ch\u1ec9 \u00e1p d\u1ee5ng \u1edf l\u1edbp c\u01a1 h\u1ecdc, ch\u1ee9 kh\u00f4ng bao g\u1ed3m h\u1ed7 tr\u1ee3 \u0111i\u1ec7n ho\u1eb7c giao th\u1ee9c.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">S\u1ef1 kh\u00e1c bi\u1ec7t v\u1ec1 m\u1eb7t \u0111i\u1ec7n v\u00e0 giao th\u1ee9c<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">D\u00f9 c\u00f3 h\u00ecnh d\u00e1ng gi\u1ed1ng nhau, SFP v\u00e0 SFP+ l\u1ea1i kh\u00e1c bi\u1ec7t \u0111\u00e1ng k\u1ec3 trong c\u00e1ch truy\u1ec1n d\u1eef li\u1ec7u:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u00e1c m\u00f4-\u0111un SFP 1G s\u1eed d\u1ee5ng t\u00edn hi\u1ec7u Ethernet Gigabit (t\u1ed1c \u0111\u1ed9 \u0111\u01b0\u1eddng truy\u1ec1n 1,25 Gbps)<\/p><\/li>\n\n\n\n<li><p>C\u00e1c c\u1ed5ng SFP+ 10G \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho truy\u1ec1n d\u1eabn n\u1ed1i ti\u1ebfp t\u1ed1c \u0111\u1ed9 cao 10,3125 Gbps<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u n\u00e0y t\u1ea1o ra m\u1ed9t th\u00e1ch th\u1ee9c then ch\u1ed1t:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u1ed5ng ph\u1ea3i h\u1ed7 tr\u1ee3 gi\u1ea3m t\u1ed1c giao di\u1ec7n \u0111i\u1ec7n \u0111\u1ec3 ph\u00f9 h\u1ee3p v\u1edbi m\u00f4-\u0111un 1G<\/p><\/li>\n\n\n\n<li><p>N\u1ebfu kh\u00f4ng, li\u00ean k\u1ebft s\u1ebd th\u1ea5t b\u1ea1i ngay c\u1ea3 khi m\u00f4-\u0111un \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u00e8n \u0111\u00fang c\u00e1ch v\u1ec1 m\u1eb7t v\u1eadt l\u00fd<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ngo\u00e0i ra, h\u00e0nh vi giao th\u1ee9c c\u0169ng kh\u00e1c nhau:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>SFP d\u1ef1a v\u00e0o c\u00e1c l\u01b0\u1ee3c \u0111\u1ed3 m\u00e3 h\u00f3a \u0111\u01a1n gi\u1ea3n h\u01a1n<\/p><\/li>\n\n\n\n<li><p>SFP+ s\u1eed d\u1ee5ng m\u00e3 h\u00f3a t\u1ed1c \u0111\u1ed9 cao ti\u00ean ti\u1ebfn h\u01a1n nh\u1eb1m \u0111\u1ea1t hi\u1ec7u n\u0103ng 10G<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">L\u00fd do t\u1ed3n t\u1ea1i kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch ng\u01b0\u1ee3c<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Nhi\u1ec1u c\u1ed5ng SFP+ hi\u1ec7n \u0111\u1ea1i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf h\u1ed7 tr\u1ee3 \u0111a t\u1ed1c \u0111\u1ed9 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resources.l-p.com\/vi\/glossary\/what-is-phy-physical-layer-basics-explained\/\">PHY<\/a> (l\u1edbp v\u1eadt l\u00fd) h\u1ed7 tr\u1ee3, cho ph\u00e9p ch\u00fang ho\u1ea1t \u0111\u1ed9ng \u1edf nhi\u1ec1u t\u1ed1c \u0111\u1ed9 kh\u00e1c nhau, v\u00ed d\u1ee5:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>1G (ch\u1ebf \u0111\u1ed9 SFP)<\/p><\/li>\n\n\n\n<li><p>10G (ch\u1ebf \u0111\u1ed9 SFP+)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00ednh t\u01b0\u01a1ng th\u00edch ng\u01b0\u1ee3c n\u00e0y t\u1ed3n t\u1ea1i v\u00ec nh\u1eefng l\u00fd do th\u1ef1c ti\u1ec5n:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\ud83d\udcb0 <strong>Hi\u1ec7u qu\u1ea3 chi ph\u00ed<\/strong>: t\u00e1i s\u1eed d\u1ee5ng c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng 1G hi\u1ec7n c\u00f3<\/p><\/li>\n\n\n\n<li><p>\ud83d\udd27 <strong>T\u00ednh linh ho\u1ea1t m\u1ea1ng<\/strong>: h\u1ed7 tr\u1ee3 m\u00f4i tr\u01b0\u1eddng \u0111a t\u1ed1c \u0111\u1ed9<\/p><\/li>\n\n\n\n<li><p>\ud83d\udcc8 <strong>C\u00e1c l\u1ed9 tr\u00ecnh n\u00e2ng c\u1ea5p<\/strong>: di chuy\u1ec3n d\u1ea7n t\u1eeb 1G \u2192 10G<\/p><\/li>\n\n\n\n<li><p>\ud83e\udde9 <strong>\u0110\u01a1n gi\u1ea3n h\u00f3a qu\u1ea3n l\u00fd h\u00e0ng t\u1ed3n kho<\/strong>: gi\u1ea3m s\u1ed1 lo\u1ea1i module c\u1ea7n qu\u1ea3n l\u00fd<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Tuy nhi\u00ean, kh\u1ea3 n\u0103ng n\u00e0y kh\u00f4ng \u0111\u01b0\u1ee3c \u0111\u1ea3m b\u1ea3o tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c nh\u00e0 cung c\u1ea5p ho\u1eb7c c\u00e1c m\u1eabu thi\u1ebft b\u1ecb. M\u1ed9t s\u1ed1 switch \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ri\u00eang cho ho\u1ea1t \u0111\u1ed9ng 10G v\u00e0 s\u1ebd t\u1eeb ch\u1ed1i ho\u1eb7c kh\u00f4ng kh\u1edfi t\u1ea1o \u0111\u01b0\u1ee3c quang module 1G.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Key takeaway:<\/strong><br>M\u1eb7c d\u00f9 module SFP v\u00e0 SFP+ c\u00f3 c\u00f9ng thi\u1ebft k\u1ebf v\u1eadt l\u00fd, nh\u01b0ng t\u00ednh t\u01b0\u01a1ng th\u00edch th\u1ef1c s\u1ef1 ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c c\u1ed5ng SFP+ c\u00f3 h\u1ed7 tr\u1ee3 ho\u1ea1t \u0111\u1ed9ng \u0111a t\u1ed1c \u0111\u1ed9 \u1edf c\u1ea5p \u0111\u1ed9 \u0111i\u1ec7n v\u00e0 ph\u1ea7n m\u1ec1m\u56fa\u4ef6 hay kh\u00f4ng, ch\u1ee9 kh\u00f4ng ch\u1ec9 d\u1ef1a tr\u00ean kh\u1ea3 n\u0103ng c\u1eafm v\u1eadt l\u00fd.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u2b50 Khi n\u00e0o m\u1ed9t module SFP 1G ho\u1ea1t \u0111\u1ed9ng \u0111\u01b0\u1ee3c tr\u00ean c\u1ed5ng 10G?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t module SFP 1Gb ch\u1ec9 ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang c\u00e1ch tr\u00ean c\u1ed5ng SFP+ 10Gb khi ph\u1ea7n c\u1ee9ng v\u00e0 ph\u1ea7n m\u1ec1m n\u1ec1n t\u1ea3ng h\u1ed7 tr\u1ee3 ho\u1ea1t \u0111\u1ed9ng \u0111a t\u1ed1c \u0111\u1ed9. Trong c\u00e1c m\u00f4i tr\u01b0\u1eddng m\u1ea1ng th\u1ef1c t\u1ebf, t\u00ednh t\u01b0\u01a1ng th\u00edch n\u00e0y kh\u00f4ng x\u1ea3y ra ng\u1eabu nhi\u00ean \u2014 m\u00e0 ph\u1ee5 thu\u1ed9c v\u00e0o c\u00e1c kh\u1ea3 n\u0103ng c\u1ee5 th\u1ec3 c\u1ee7a switch v\u00e0 h\u00e0nh vi c\u1ea5u h\u00ecnh.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/5a8a5f6ac7284d788f7882a38cc52b1b.jpg\" alt=\"When Does a 1G SFP Work in a 10G Port?\" class=\"wp-image-2473\" srcset=\"https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/5a8a5f6ac7284d788f7882a38cc52b1b.jpg 1200w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/5a8a5f6ac7284d788f7882a38cc52b1b-300x169.jpg 300w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/5a8a5f6ac7284d788f7882a38cc52b1b-1024x576.jpg 1024w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/5a8a5f6ac7284d788f7882a38cc52b1b-768x432.jpg 768w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/5a8a5f6ac7284d788f7882a38cc52b1b-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">C\u1ed5ng hai t\u1ed1c \u0111\u1ed9 \/ \u0111a t\u1ed1c \u0111\u1ed9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Y\u00eau c\u1ea7u quan tr\u1ecdng nh\u1ea5t l\u00e0 m\u1ed9t c\u1ed5ng SFP+ hai t\u1ed1c \u0111\u1ed9 (ho\u1eb7c \u0111a t\u1ed1c \u0111\u1ed9).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c c\u1ed5ng n\u00e0y \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 h\u1ed7 tr\u1ee3 nhi\u1ec1u h\u01a1n m\u1ed9t t\u1ed1c \u0111\u1ed9, th\u01b0\u1eddng l\u00e0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>1Gbps (ch\u1ebf \u0111\u1ed9 SFP)<\/p><\/li>\n\n\n\n<li><p>10Gbps (ch\u1ebf \u0111\u1ed9 SFP+)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Khi c\u1eafm m\u1ed9t module SFP 1G:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u1ed5ng c\u00f3 th\u1ec3 t\u1ef1 \u0111\u1ed9ng chuy\u1ec3n xu\u1ed1ng ch\u1ebf \u0111\u1ed9 ho\u1ea1t \u0111\u1ed9ng 1G<\/p><\/li>\n\n\n\n<li><p>Ho\u1eb7c c\u00f3 th\u1ec3 y\u00eau c\u1ea7u c\u1ea5u h\u00ecnh th\u1ee7 c\u00f4ng \u0111\u1ec3 \u00e9p t\u1ed1c \u0111\u1ed9 1G<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Lo\u1ea1i linh ho\u1ea1t n\u00e0y ph\u1ed5 bi\u1ebfn tr\u00ean c\u00e1c switch cao c\u1ea5p d\u00e0nh cho doanh nghi\u1ec7p, nh\u01b0ng \u00edt g\u1eb7p h\u01a1n tr\u00ean c\u00e1c thi\u1ebft b\u1ecb c\u1ea5p \u0111\u1ea7u v\u00e0o ho\u1eb7c thi\u1ebft b\u1ecb t\u1ed1i \u01b0u chi ph\u00ed.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">H\u1ed7 tr\u1ee3 chipset switch<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00ednh t\u01b0\u01a1ng th\u00edch ph\u1ee5 thu\u1ed9c r\u1ea5t l\u1edbn v\u00e0o switch <a target=\"_blank\" rel=\"\" href=\"https:\/\/resources.l-p.com\/vi\/glossary\/what-is-application-specific-integrated-circuit-asic\/\">ASIC<\/a> (chipset) v\u00e0 thi\u1ebft k\u1ebf firmware.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c y\u1ebfu t\u1ed1 quan tr\u1ecdng bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>H\u1ed7 tr\u1ee3 PHY cho ho\u1ea1t \u0111\u1ed9ng \u0111a t\u1ed1c \u0111\u1ed9<\/strong><br>Chip l\u1edbp v\u1eadt l\u00fd ph\u1ea3i h\u1ed7 tr\u1ee3 c\u1ea3 t\u00edn hi\u1ec7u 1G v\u00e0 10G.<\/p><\/li>\n\n\n\n<li><p><strong>Logic x\u00e1c th\u1ef1c EEPROM\/module<\/strong><br>M\u1ed9t s\u1ed1 switch ki\u1ec3m tra m\u00e3 module m\u1ed9t c\u00e1ch ch\u1ee7 \u0111\u1ed9ng v\u00e0 c\u00f3 th\u1ec3 ch\u1eb7n c\u00e1c module kh\u00f4ng \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 <a href=\"https:\/\/www.l-p.com\/products\/488475.htm\" target=\"_blank\" rel=\"\">SFP<br><\/a>.<\/p><\/li>\n\n\n\n<li><p><strong>Vendor firmware restrictions<\/strong><br>M\u1ed9t s\u1ed1 nh\u00e0 cung c\u1ea5p \u00e1p d\u1ee5ng danh s\u00e1ch t\u01b0\u01a1ng th\u00edch nghi\u00eam ng\u1eb7t, t\u1eeb ch\u1ed1i module b\u00ean th\u1ee9 ba ho\u1eb7c module kh\u00f4ng ph\u1ea3i 10G ngay c\u1ea3 khi ph\u1ea7n c\u1ee9ng v\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 ch\u00fang.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao hai c\u00f4ng t\u1eafc tr\u00f4ng gi\u1ed1ng h\u1ec7t nhau c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng kh\u00e1c nhau khi s\u1eed d\u1ee5ng c\u00f9ng m\u1ed9t m\u00f4-\u0111un SFP 1G.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1c t\u00ecnh hu\u1ed1ng tri\u1ec3n khai th\u1ef1c t\u1ebf<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u00ean th\u1ef1c t\u1ebf, k\u1ef9 s\u01b0 m\u1ea1ng th\u01b0\u1eddng g\u1eb7p t\u00ecnh hu\u1ed1ng th\u00e0nh c\u00f4ng <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/478919.htm\">1G SFP<\/a> v\u1ec1 vi\u1ec7c s\u1eed d\u1ee5ng tr\u00ean c\u00e1c c\u1ed5ng 10G trong c\u00e1c tr\u01b0\u1eddng h\u1ee3p sau:<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u2714 M\u1ea1ng doanh nghi\u1ec7p \u0111a t\u1ed1c \u0111\u1ed9<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>L\u1edbp truy c\u1eadp ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ed1c \u0111\u1ed9 1G<\/p><\/li>\n\n\n\n<li><p>C\u1ed5ng k\u1ebft n\u1ed1i l\u00ean (uplink) l\u00e0 SFP+ 10G<\/p><\/li>\n\n\n\n<li><p>C\u00f4ng t\u1eafc h\u1ed7 tr\u1ee3 t\u1ef1 \u0111\u1ed9ng th\u01b0\u01a1ng l\u01b0\u1ee3ng t\u1ed1c \u0111\u1ed9 ho\u1eb7c c\u1ea5u h\u00ecnh th\u1ee7 c\u00f4ng<\/p><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u2714 N\u00e2ng c\u1ea5p m\u1ea1ng t\u1eebng b\u01b0\u1edbc<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u00e1c li\u00ean k\u1ebft s\u1ee3i quang 1G hi\u1ec7n c\u00f3 \u0111\u01b0\u1ee3c t\u00e1i s\u1eed d\u1ee5ng trong qu\u00e1 tr\u00ecnh di chuy\u1ec3n l\u00ean n\u1ec1n t\u1ea3ng x\u01b0\u01a1ng s\u1ed1ng 10G<\/p><\/li>\n\n\n\n<li><p>S\u1eed d\u1ee5ng t\u1ea1m th\u1eddi c\u00e1c b\u1ed9 quang h\u1ecdc 1G trong c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng 10G<\/p><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u2714 M\u00f4i tr\u01b0\u1eddng ph\u00f2ng th\u00ed nghi\u1ec7m v\u00e0 ki\u1ec3m th\u1eed<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>K\u1ef9 s\u01b0 s\u1eed d\u1ee5ng c\u00e1c m\u00f4-\u0111un SFP 1G tr\u00ean c\u00e1c c\u1ed5ng 10G \u0111\u1ec3 ki\u1ec3m tra kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch ho\u1eb7c ph\u00e2n \u0111o\u1ea1n m\u1ea1ng<\/p><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\u2714 C\u00f4ng t\u1eafc h\u1ed7 tr\u1ee3 \u0111a t\u1ed1c \u0111\u1ed9<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u00e1c c\u00f4ng t\u1eafc trung t\u00e2m d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 linh ho\u1ea1t gi\u1eefa 1G\/10G<\/p><\/li>\n\n\n\n<li><p>Ph\u1ed5 bi\u1ebfn trong thi\u1ebft b\u1ecb doanh nghi\u1ec7p cao c\u1ea5p v\u00e0 thi\u1ebft b\u1ecb c\u1ea5p nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Key takeaway:<\/strong><br>M\u1ed9t m\u00f4-\u0111un SFP 1G ch\u1ec9 ho\u1ea1t \u0111\u1ed9ng tr\u00ean c\u1ed5ng 10G khi h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 v\u1eadn h\u00e0nh \u0111a t\u1ed1c \u0111\u1ed9 c\u1ea3 \u1edf c\u1ea5p ph\u1ea7n c\u1ee9ng (chipset) l\u1eabn c\u1ea5p firmware, v\u00e0 m\u00f4i tr\u01b0\u1eddng tri\u1ec3n khai cho ph\u00e9p th\u01b0\u01a1ng l\u01b0\u1ee3ng t\u1ed1c \u0111\u1ed9 t\u1ef1 \u0111\u1ed9ng ho\u1eb7c th\u1ee7 c\u00f4ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u2b50 L\u00fd do t\u1ea1i sao m\u1ed9t m\u00f4-\u0111un SFP 1G C\u00d3 TH\u1ec2 KH\u00d4NG HO\u1ea0T \u0110\u1ed8NG tr\u00ean c\u1ed5ng 10G<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1eb7c d\u00f9 nhi\u1ec1u c\u1ed5ng SFP+ h\u1ed7 tr\u1ee3 t\u00ednh t\u01b0\u01a1ng th\u00edch ng\u01b0\u1ee3c, v\u1eabn t\u1ed3n t\u1ea1i r\u1ea5t nhi\u1ec1u tr\u01b0\u1eddng h\u1ee3p th\u1ef1c t\u1ebf m\u00e0 m\u00f4-\u0111un SFP 1Gb kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng tr\u00ean c\u1ed5ng 10Gb. \u0110i\u1ec1u n\u00e0y th\u01b0\u1eddng g\u00e2y b\u1ea5t ng\u1edd cho ng\u01b0\u1eddi d\u00f9ng v\u00ec m\u00f4-\u0111un v\u1eabn v\u1eeba kh\u00edt v\u1ec1 m\u1eb7t v\u1eadt l\u00fd, nh\u01b0ng li\u00ean k\u1ebft v\u1eabn kh\u00f4ng thi\u1ebft l\u1eadp \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c hi\u1ec3u r\u00f5 nh\u1eefng h\u1ea1n ch\u1ebf n\u00e0y l\u00e0 \u0111i\u1ec1u thi\u1ebft y\u1ebfu \u0111\u1ec3 tr\u00e1nh th\u1ea5t b\u1ea1i trong tri\u1ec3n khai.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/9450476629f742438014abb3dac44880.jpg\" alt=\"Why a 1G SFP May NOT Work in a 10G Port\" class=\"wp-image-2474\" srcset=\"https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/9450476629f742438014abb3dac44880.jpg 1200w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/9450476629f742438014abb3dac44880-300x169.jpg 300w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/9450476629f742438014abb3dac44880-1024x576.jpg 1024w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/9450476629f742438014abb3dac44880-768x432.jpg 768w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/9450476629f742438014abb3dac44880-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1c c\u1ed5ng CH\u1ec8 d\u00e0nh cho 10G (kh\u00f4ng h\u1ed7 tr\u1ee3 tr\u1edf l\u1ea1i)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t s\u1ed1 c\u1ed5ng SFP+ \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf nghi\u00eam ng\u1eb7t ch\u1ec9 \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ed1c \u0111\u1ed9 10Gbps<strong>y<\/strong>. Trong nh\u1eefng tr\u01b0\u1eddng h\u1ee3p n\u00e0y:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u1ed5ng kh\u00f4ng h\u1ed7 tr\u1ee3 t\u00edn hi\u1ec7u \u0111i\u1ec7n \u1edf t\u1ed1c \u0111\u1ed9 1G<\/p><\/li>\n\n\n\n<li><p>PHY ph\u1ea7n c\u1ee9ng b\u1ecb kh\u00f3a \u1edf t\u1ed1c \u0111\u1ed9 \u0111\u01b0\u1eddng truy\u1ec1n 10G<\/p><\/li>\n\n\n\n<li><p>Vi\u1ec7c c\u1eafm m\u00f4-\u0111un SFP 1G s\u1ebd d\u1eabn \u0111\u1ebfn:<\/p>\n<ul class=\"wp-block-list\">\n<li><p>Kh\u00f4ng c\u00f3 \u0111\u00e8n b\u00e1o li\u00ean k\u1ebft<\/p><\/li>\n\n\n\n<li><p>\u201cH\u00e0nh vi \u201dt\u1ed1c \u0111\u1ed9 kh\u00f4ng \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3\u201d<\/p><\/li>\n\n\n\n<li><p>ho\u1eb7c t\u1eeb ch\u1ed1i ho\u00e0n to\u00e0n m\u00f4-\u0111un<\/p><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00ecnh hu\u1ed1ng n\u00e0y ph\u1ed5 bi\u1ebfn trong:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Thi\u1ebft b\u1ecb t\u1ed1i \u01b0u chi ph\u00ed <a href=\"https:\/\/resources.l-p.com\/vi\/knowledge-center\/what-is-a-network-switch\/\" target=\"_blank\" rel=\"\">routers<\/a><\/p><\/li>\n\n\n\n<li><p>M\u1ed9t s\u1ed1 c\u00f4ng t\u1eafc trung t\u00e2m d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ri\u00eang cho k\u1ebft n\u1ed1i l\u00ean (uplink) 10G<\/p><\/li>\n\n\n\n<li><p>Ph\u1ea7n c\u1ee9ng m\u1ea1ng c\u1ed1 \u0111\u1ecbnh t\u1ed1c \u0111\u1ed9<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Trong c\u00e1c m\u00f4i tr\u01b0\u1eddng n\u00e0y, c\u1ed5ng \u0111\u01a1n gi\u1ea3n l\u00e0 KH\u00d4NG TH\u1ec2 \u201cgi\u1ea3m t\u1ed1c\u201d xu\u1ed1ng 1G.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Kh\u00f3a nh\u00e0 cung c\u1ea5p \/ H\u1ea1n ch\u1ebf EEPROM<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Nhi\u1ec1u nh\u00e0 cung c\u1ea5p doanh nghi\u1ec7p tri\u1ec3n khai h\u1ec7 th\u1ed1ng x\u00e1c th\u1ef1c m\u00f4-\u0111un nghi\u00eam ng\u1eb7t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u00f4ng t\u1eafc \u0111\u1ecdc th\u00f4ng tin t\u1eeb <a href=\"https:\/\/resources.l-p.com\/vi\/knowledge-center\/how-eeprom-powers-sfp-and-qsfp-optical-modules\/\" target=\"_blank\" rel=\"\">M\u00e3 h\u00f3a EEPROM<\/a><\/p><\/li>\n\n\n\n<li><p>EEPROM c\u1ee7a m\u00f4-\u0111un SFP<\/p><\/li>\n\n\n\n<li><p>C\u00e1c m\u00f4-\u0111un kh\u00f4ng kh\u1edbp c\u00f3 th\u1ec3:<\/p>\n<ul class=\"wp-block-list\">\n<li><p>B\u1ecb ch\u1eb7n ho\u00e0n to\u00e0n<\/p><\/li>\n\n\n\n<li><p>B\u1ecb \u00e9p v\u00e0o tr\u1ea1ng th\u00e1i l\u1ed7i<\/p><\/li>\n\n\n\n<li><p>Ho\u1eb7c \u0111\u01b0\u1ee3c ch\u1ea5p nh\u1eadn nh\u01b0ng kh\u00f4ng cho ph\u00e9p truy\u1ec1n l\u01b0u l\u01b0\u1ee3ng<\/p><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c tri\u1ec7u ch\u1ee9ng ph\u1ed5 bi\u1ebfn bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u201cC\u1ea3nh b\u00e1o \u201db\u1ed9 thu ph\u00e1t kh\u00f4ng \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3\u201d<\/p><\/li>\n\n\n\n<li><p>C\u1ed5ng v\u1eabn b\u1ecb v\u00f4 hi\u1ec7u h\u00f3a d\u00f9 ph\u1ea7n c\u1ee9ng l\u00e0 \u0111\u00fang<\/p><\/li>\n\n\n\n<li><p>Li\u00ean k\u1ebft ch\u01b0a bao gi\u1edd kh\u1edfi t\u1ea1o<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ngay c\u1ea3 khi ph\u1ea7n c\u1ee9ng <em>c\u00f3 th\u1ec3<\/em> h\u1ed7 tr\u1ee3 1G, c\u00e1c ch\u00ednh s\u00e1ch c\u1ee7a nh\u00e0 cung c\u1ea5p c\u00f3 th\u1ec3 ng\u0103n ch\u1eb7n \u0111i\u1ec1u n\u00e0y.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">H\u1ea1n ch\u1ebf v\u1ec1 firmware<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Firmware \u0111\u00f3ng vai tr\u00f2 then ch\u1ed1t trong kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch c\u1ee7a SFP.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ngay c\u1ea3 khi ph\u1ea7n c\u1ee9ng h\u1ed7 tr\u1ee3 ho\u1ea1t \u0111\u1ed9ng \u0111a t\u1ed1c \u0111\u1ed9, c\u00e1c h\u1ea1n ch\u1ebf c\u00f3 th\u1ec3 bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Kh\u00f4ng c\u00f3 t\u00f9y ch\u1ecdn \u0111\u1ec3 thi\u1ebft l\u1eadp th\u1ee7 c\u00f4ng t\u1ed1c \u0111\u1ed9 c\u1ed5ng th\u00e0nh 1G<\/p><\/li>\n\n\n\n<li><p>T\u1ef1 \u0111\u1ed9ng th\u01b0\u01a1ng l\u01b0\u1ee3ng t\u1ed1c \u0111\u1ed9 b\u1ecb v\u00f4 hi\u1ec7u h\u00f3a ho\u1eb7c b\u1ecb gi\u1edbi h\u1ea1n<\/p><\/li>\n\n\n\n<li><p>H\u1ed7 tr\u1ee3 kh\u00f4ng \u0111\u1ea7y \u0111\u1ee7 cho chu\u1ea9n SFP 1G c\u0169 h\u01a1n <a href=\"https:\/\/resources.l-p.com\/vi\/knowledge-center\/sfp-standard-specifications-compatibility-guide\/\" target=\"_blank\" rel=\"\">ti\u00eau chu\u1ea9n SFP<\/a><\/p><\/li>\n\n\n\n<li><p>C\u00e1c b\u1ea3n c\u1eadp nh\u1eadt lo\u1ea1i b\u1ecf d\u1ea7n kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi ph\u1ea7n c\u1ee9ng c\u0169<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u n\u00e0y d\u1eabn \u0111\u1ebfn h\u00e0nh vi kh\u00f4ng nh\u1ea5t qu\u00e1n tr\u00ean:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u00e1c phi\u00ean b\u1ea3n firmware kh\u00e1c nhau<\/p><\/li>\n\n\n\n<li><p>C\u00e1c m\u1eabu switch kh\u00e1c nhau t\u1eeb c\u00f9ng m\u1ed9t nh\u00e0 cung c\u1ea5p<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Do \u0111\u00f3, hai c\u1ed5ng SFP+ gi\u1ed1ng h\u1ec7t nhau c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng kh\u00e1c nhau t\u00f9y thu\u1ed9c v\u00e0o c\u1ea5u h\u00ecnh firmware.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Key Takeaway<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t SFP 1G c\u00f3 th\u1ec3 th\u1ea5t b\u1ea1i tr\u00ean c\u1ed5ng SFP+ 10G kh\u00f4ng ph\u1ea3i do b\u1ea5t k\u1ef3 s\u1ef1 kh\u00f4ng t\u01b0\u01a1ng th\u00edch v\u1ec1 m\u1eb7t v\u1eadt l\u00fd n\u00e0o, m\u00e0 do:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Ph\u1ea7n c\u1ee9ng b\u1ecb kh\u00f3a ch\u1ec9 \u1edf ch\u1ebf \u0111\u1ed9 10G<\/p><\/li>\n\n\n\n<li><p>C\u00e1c h\u1ea1n ch\u1ebf m\u00f4-\u0111un \u1edf c\u1ea5p nh\u00e0 cung c\u1ea5p<\/p><\/li>\n\n\n\n<li><p>H\u1ea1n ch\u1ebf firmware ho\u1eb7c thi\u1ebfu h\u1ed7 tr\u1ee3 \u0111a t\u1ed1c \u0111\u1ed9<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e2y l\u00e0 l\u00fd do v\u00ec sao vi\u1ec7c ki\u1ec3m tra ma tr\u1eadn t\u01b0\u01a1ng th\u00edch ch\u00ednh th\u1ee9c c\u1ee7a switch lu\u00f4n r\u1ea5t quan tr\u1ecdng tr\u01b0\u1edbc khi tri\u1ec3n khai.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u2b50 B\u1ea1n c\u00f3 c\u1ea7n c\u1ea5u h\u00ecnh th\u1ee7 c\u00f4ng c\u1ed5ng hay kh\u00f4ng?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Trong nhi\u1ec1u tri\u1ec3n khai th\u1ef1c t\u1ebf, vi\u1ec7c ch\u1ec9 c\u1ea7n c\u1eafm m\u1ed9t SFP 1Gb v\u00e0o c\u1ed5ng SFP+ 10Gb l\u00e0 ch\u01b0a \u0111\u1ee7. Ngay c\u1ea3 khi ph\u1ea7n c\u1ee9ng h\u1ed7 tr\u1ee3 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch ng\u01b0\u1ee3c, li\u00ean k\u1ebft c\u00f3 th\u1ec3 kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng tr\u1eeb khi c\u1ed5ng \u0111\u01b0\u1ee3c c\u1ea5u h\u00ecnh r\u00f5 r\u00e0ng \u0111\u1ec3 v\u1eadn h\u00e0nh \u1edf t\u1ed1c \u0111\u1ed9 1Gbps.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn nh\u1ea5t khi\u1ebfn ng\u01b0\u1eddi d\u00f9ng g\u1eb7p s\u1ef1 c\u1ed1 \u201ckh\u00f4ng c\u00f3 li\u00ean k\u1ebft\u201d.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/f9b325af10a54cf6979c6b781a4168c2.jpg\" alt=\"Do You Need to Configure the Port Manually?\" class=\"wp-image-2475\" srcset=\"https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/f9b325af10a54cf6979c6b781a4168c2.jpg 1200w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/f9b325af10a54cf6979c6b781a4168c2-300x169.jpg 300w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/f9b325af10a54cf6979c6b781a4168c2-1024x576.jpg 1024w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/f9b325af10a54cf6979c6b781a4168c2-768x432.jpg 768w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/f9b325af10a54cf6979c6b781a4168c2-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">H\u1ea1n ch\u1ebf v\u1ec1 t\u1ef1 \u0111\u1ed9ng th\u01b0\u01a1ng l\u01b0\u1ee3ng t\u1ed1c \u0111\u1ed9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t quan ni\u1ec7m sai l\u1ea7m ph\u1ed5 bi\u1ebfn l\u00e0 c\u00e1c c\u1ed5ng SFP+ s\u1ebd t\u1ef1 \u0111\u1ed9ng ph\u00e1t hi\u1ec7n v\u00e0 \u0111i\u1ec1u ch\u1ec9nh ph\u00f9 h\u1ee3p v\u1edbi m\u1ecdi m\u00f4-\u0111un \u0111\u01b0\u1ee3c c\u1eafm v\u00e0o. Tr\u00ean th\u1ef1c t\u1ebf:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>T\u1ef1 \u0111\u1ed9ng th\u01b0\u01a1ng l\u01b0\u1ee3ng t\u1ed1c \u0111\u1ed9 th\u01b0\u1eddng b\u1ecb gi\u1edbi h\u1ea1n ho\u1eb7c b\u1ecb v\u00f4 hi\u1ec7u h\u00f3a tr\u00ean c\u00e1c li\u00ean k\u1ebft SFP+ quang<\/p><\/li>\n\n\n\n<li><p>Nhi\u1ec1u switch kh\u00f4ng ph\u00e1t hi\u1ec7n \u0111\u00e1ng tin c\u1eady gi\u1eefa ch\u1ebf \u0111\u1ed9 1G v\u00e0 10G m\u1ed9t c\u00e1ch t\u1ef1 \u0111\u1ed9ng<\/p><\/li>\n\n\n\n<li><p>C\u1ed5ng c\u00f3 th\u1ec3 v\u1eabn b\u1ecb kh\u00f3a \u1edf ch\u1ebf \u0111\u1ed9 v\u1eadn h\u00e0nh 10G<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">K\u1ebft qu\u1ea3 l\u00e0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>SFP 1G \u0111\u01b0\u1ee3c ph\u00e1t hi\u1ec7n v\u1ec1 m\u1eb7t v\u1eadt l\u00fd<\/p><\/li>\n\n\n\n<li><p>Nh\u01b0ng li\u00ean k\u1ebft kh\u00f4ng kh\u1edfi t\u1ea1o v\u1ec1 m\u1eb7t \u0111i\u1ec7n<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e2y l\u00e0 l\u00fd do v\u00ec sao t\u00ednh n\u0103ng \u201cc\u1eafm v\u00e0 ch\u1ea1y\u201d kh\u00f4ng lu\u00f4n \u00e1p d\u1ee5ng \u0111\u01b0\u1ee3c trong c\u00e1c m\u00f4i tr\u01b0\u1eddng h\u1ed7n h\u1ee3p t\u1ed1c \u0111\u1ed9.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u00c9p bu\u1ed9c t\u1ed1c \u0111\u1ed9 v\u1ec1 1Gbps<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh t\u01b0\u01a1ng th\u00edch, k\u1ef9 s\u01b0 m\u1ea1ng th\u01b0\u1eddng c\u1ea7n thi\u1ebft l\u1eadp th\u1ee7 c\u00f4ng t\u1ed1c \u0111\u1ed9 c\u1ed5ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c b\u01b0\u1edbc c\u1ea5u h\u00ecnh \u0111i\u1ec3n h\u00ecnh bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Thi\u1ebft l\u1eadp t\u1ed1c \u0111\u1ed9 giao di\u1ec7n th\u00e0nh 1G (1000 Mbps)<\/p><\/li>\n\n\n\n<li><p>V\u00f4 hi\u1ec7u h\u00f3a ch\u1ebf \u0111\u1ed9 10G \u00e9p bu\u1ed9c<\/p><\/li>\n\n\n\n<li><p>Kh\u1edfi \u0111\u1ed9ng l\u1ea1i giao di\u1ec7n \u0111\u1ec3 \u00e1p d\u1ee5ng c\u00e1c thay \u0111\u1ed5i<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Sau khi c\u1ea5u h\u00ecnh \u0111\u00fang:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u1ed5ng c\u00f3 th\u1ec3 giao ti\u1ebfp \u0111\u00fang c\u00e1ch v\u1edbi SFP 1G<\/p><\/li>\n\n\n\n<li><p>\u0110\u1ed9 \u1ed5n \u0111\u1ecbnh li\u00ean k\u1ebft \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n \u0111\u00e1ng k\u1ec3<\/p><\/li>\n\n\n\n<li><p>C\u00e1c v\u1ea5n \u0111\u1ec1 t\u01b0\u01a1ng th\u00edch th\u01b0\u1eddng \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft ngay l\u1eadp t\u1ee9c<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">B\u01b0\u1edbc n\u00e0y \u0111\u1eb7c bi\u1ec7t quan tr\u1ecdng tr\u00ean c\u00e1c switch doanh nghi\u1ec7p, n\u01a1i c\u00e0i \u0111\u1eb7t m\u1eb7c \u0111\u1ecbnh gi\u1ea3 \u0111\u1ecbnh ho\u1ea1t \u0111\u1ed9ng \u1edf ch\u1ebf \u0111\u1ed9 10G.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u1ea5u h\u00ecnh CLI so v\u1edbi GUI<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ea5u h\u00ecnh c\u1ed5ng th\u01b0\u1eddng c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n theo hai c\u00e1ch:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>CLI (Giao di\u1ec7n d\u00f2ng l\u1ec7nh)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u0110\u01b0\u1ee3c \u01b0a chu\u1ed9ng b\u1edfi k\u1ef9 s\u01b0 m\u1ea1ng<\/p><\/li>\n\n\n\n<li><p>Cung c\u1ea5p ki\u1ec3m so\u00e1t ch\u00ednh x\u00e1c \u0111\u1ed1i v\u1edbi c\u00e1c thi\u1ebft l\u1eadp giao di\u1ec7n<\/p><\/li>\n\n\n\n<li><p>C\u00e1c l\u1ec7nh ph\u1ed5 bi\u1ebfn bao g\u1ed3m thi\u1ebft l\u1eadp t\u1ed1c \u0111\u1ed9, duplex v\u00e0 ch\u1ebf \u0111\u1ed9 giao di\u1ec7n<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>GUI (Giao di\u1ec7n web)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>D\u1ec5 s\u1eed d\u1ee5ng h\u01a1n cho ng\u01b0\u1eddi d\u00f9ng c\u01a1 b\u1ea3n ho\u1eb7c qu\u1ea3n tr\u1ecb vi\u00ean CNTT<\/p><\/li>\n\n\n\n<li><p>Th\u01b0\u1eddng bao g\u1ed3m c\u00e1c t\u00f9y ch\u1ecdn th\u1ea3 xu\u1ed1ng nh\u01b0:<\/p>\n<ul class=\"wp-block-list\">\n<li><p>1000 Mbps<\/p><\/li>\n\n\n\n<li><p>10 Gbps<\/p><\/li>\n\n\n\n<li><p>T\u1ef1 \u0111\u1ed9ng<\/p><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Tuy nhi\u00ean:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>M\u1ed9t s\u1ed1 thi\u1ebft l\u1eadp n\u00e2ng cao ch\u1ec9 kh\u1ea3 d\u1ee5ng qua CLI<\/p><\/li>\n\n\n\n<li><p>Kh\u00f4ng ph\u1ea3i t\u1ea5t c\u1ea3 c\u00e1c giao di\u1ec7n GUI \u0111\u1ec1u hi\u1ec3n th\u1ecb c\u00e1c t\u00f9y ch\u1ecdn c\u1ea5u h\u00ecnh \u0111a t\u1ed1c \u0111\u1ed9<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Key Takeaway<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ngay c\u1ea3 khi module SFP 1G v\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt t\u01b0\u01a1ng th\u00edch v\u1edbi c\u1ed5ng SFP+ 10G, vi\u1ec7c c\u1ea5u h\u00ecnh th\u1ee7 c\u00f4ng th\u01b0\u1eddng v\u1eabn c\u1ea7n thi\u1ebft \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh. N\u1ebfu kh\u00f4ng thi\u1ebft l\u1eadp t\u1ed1c \u0111\u1ed9 ch\u00ednh x\u00e1c, c\u1ed5ng c\u00f3 th\u1ec3 th\u1ea5t b\u1ea1i trong vi\u1ec7c thi\u1ebft l\u1eadp li\u00ean k\u1ebft d\u00f9 v\u1ec1 m\u1eb7t v\u1eadt l\u00fd v\u00e0 \u0111i\u1ec7n h\u1ecdc v\u1eabn \u0111\u1ee7 kh\u1ea3 n\u0103ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u2b50 SFP 1G so v\u1edbi SFP+ 10G: S\u1ef1 kh\u00e1c bi\u1ec7t th\u1ef1c s\u1ef1 l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1eb7c d\u00f9 module SFP 1G v\u00e0 SFP+ 10G tr\u00f4ng g\u1ea7n nh\u01b0 gi\u1ed1ng h\u1ec7t nhau, ch\u00fang \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf cho c\u00e1c vai tr\u00f2 m\u1ea1ng r\u1ea5t kh\u00e1c nhau. Vi\u1ec7c hi\u1ec3u r\u00f5 nh\u1eefng kh\u00e1c bi\u1ec7t n\u00e0y l\u00e0 \u0111i\u1ec1u thi\u1ebft y\u1ebfu khi quy\u1ebft \u0111\u1ecbnh li\u1ec7u m\u1ed9t module SFP 1Gb c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c tr\u00ean c\u1ed5ng SFP+ 10Gb hay kh\u00f4ng, ho\u1eb7c khi l\u1eadp k\u1ebf ho\u1ea1ch n\u00e2ng c\u1ea5p 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:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/05b6f6ce69b64ea587e09893e8fb579a.jpg\" alt=\"1G SFP vs. 10G SFP+: What\u2019s the Real Difference?\" class=\"wp-image-2476\" srcset=\"https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/05b6f6ce69b64ea587e09893e8fb579a.jpg 1200w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/05b6f6ce69b64ea587e09893e8fb579a-300x169.jpg 300w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/05b6f6ce69b64ea587e09893e8fb579a-1024x576.jpg 1024w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/05b6f6ce69b64ea587e09893e8fb579a-768x432.jpg 768w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/05b6f6ce69b64ea587e09893e8fb579a-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resources.l-p.com\/vi\/knowledge-center\/difference-between-sfp-and-sfp-plus-transceivers\/\"><strong>SFP 1G so v\u1edbi SFP+ 10G<\/strong><\/a><strong> B\u1ea3ng so s\u00e1nh<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"width: 220px;\"\/><col style=\"width: 230px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\" colwidth=\"220\"><p>Feature<\/p><\/th><th colspan=\"1\" rowspan=\"1\" colwidth=\"230\"><p>1G SFP<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>10G SFP+<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"220\"><p>T\u1ed1c \u0110\u1ed9 T\u1ed1i \u0110a<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"230\"><p>1Gbps (t\u1ed1c \u0111\u1ed9 \u0111\u01b0\u1eddng truy\u1ec1n 1,25G)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>10Gbps (t\u1ed1c \u0111\u1ed9 \u0111\u01b0\u1eddng truy\u1ec1n 10,3125G)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"220\"><p>Form Factor<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"230\"><p>SFP (<a target=\"_blank\" rel=\"\" href=\"https:\/\/resources.l-p.com\/vi\/knowledge-center\/sfp-small-form-factor-pluggable-transceiver-guide\/\">Small Form-Factor Pluggable<\/a>)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>SFP+ (SFP n\u00e2ng cao)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"220\"><p>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111i\u1ec3n h\u00ecnh<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"230\"><p>L\u1edbp truy c\u1eadp, thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>L\u1edbp t\u1eadp h\u1ee3p, l\u00f5i, trung t\u00e2m d\u1eef li\u1ec7u<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"220\"><p>Ti\u00eau Th\u1ee5 N\u0103ng L\u01b0\u1ee3ng<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"230\"><p>Lower<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Higher<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"220\"><p>T\u1ea1o nhi\u1ec7t<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"230\"><p>Th\u1ea5p<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Trung b\u00ecnh \u0111\u1ebfn cao<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"220\"><p>Kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch ng\u01b0\u1ee3c<br><\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"230\"><p>Kh\u00f4ng \u00e1p d\u1ee5ng<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0110\u00f4i khi h\u1ed7 tr\u1ee3 1G (ph\u1ee5 thu\u1ed9c v\u00e0o switch)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"220\"><p>T\u00ednh t\u01b0\u01a1ng th\u00edch ng\u01b0\u1ee3c<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"230\"><p>No<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Kh\u00f4ng (kh\u00f4ng th\u1ec3 ch\u1ea1y <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/475852.htm\">10G SFP+<\/a> tr\u00ean c\u1ed5ng 1G)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"220\"><p>Y\u00eau c\u1ea7u c\u1ea5u h\u00ecnh<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"230\"><p>Th\u01b0\u1eddng c\u1eafm l\u00e0 ch\u1ea1y<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>C\u00f3 th\u1ec3 y\u00eau c\u1ea7u thi\u1ebft l\u1eadp t\u1ed1c \u0111\u1ed9 th\u1ee7 c\u00f4ng<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\" colwidth=\"220\"><p>Cost<\/p><\/td><td colspan=\"1\" rowspan=\"1\" colwidth=\"230\"><p>Lower<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Higher<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">So s\u00e1nh t\u1ed1c \u0111\u1ed9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ef1 kh\u00e1c bi\u1ec7t r\u00f5 r\u00e0ng nh\u1ea5t l\u00e0 t\u1ed1c \u0111\u1ed9:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>SFP 1G (<\/strong><a href=\"https:\/\/www.l-p.com\/products\/476092.htm\" target=\"\" rel=\"\"><strong>Gigabit SFP<\/strong><\/a><strong>):<\/strong><br>H\u1ed7 tr\u1ee3 t\u1ed1i \u0111a t\u1ed1c \u0111\u1ed9 \u0111\u01b0\u1eddng truy\u1ec1n 1,25 Gbps<\/p><\/li>\n\n\n\n<li><p><strong>SFP+ 10G (SFP n\u00e2ng cao):<\/strong><br>H\u1ed7 tr\u1ee3 t\u1ed1c \u0111\u1ed9 \u0111\u01b0\u1eddng truy\u1ec1n l\u00ean \u0111\u1ebfn 10,3125 Gbps<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u n\u00e0y c\u00f3 ngh\u0129a l\u00e0 SFP+ cung c\u1ea5p b\u0103ng th\u00f4ng cao g\u1ea5p 10 l\u1ea7n, do \u0111\u00f3 ph\u00f9 h\u1ee3p cho c\u00e1c k\u1ebft n\u1ed1i uplink c\u00f3 th\u00f4ng l\u01b0\u1ee3ng cao v\u00e0 t\u1ed5ng h\u1ee3p d\u1eef li\u1ec7u trong trung t\u00e2m d\u1eef li\u1ec7u.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ti\u00eau Th\u1ee5 N\u0103ng L\u01b0\u1ee3ng<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ee9c ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng l\u00e0 m\u1ed9t \u0111i\u1ec3m kh\u00e1c bi\u1ec7t quan tr\u1ecdng kh\u00e1c:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>Tr\u00ean nhi\u1ec1u thi\u1ebft b\u1ecb m\u1ea1ng hi\u1ec7n \u0111\u1ea1i, c\u00e1c c\u1ed5ng SFP+ h\u1ed7 tr\u1ee3 t\u01b0\u01a1ng th\u00edch ng\u01b0\u1ee3c v\u1edbi<\/strong><\/p>\n<ul class=\"wp-block-list\">\n<li><p>M\u1ee9c ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng th\u1ea5p h\u01a1n<\/p><\/li>\n\n\n\n<li><p>Th\u01b0\u1eddng c\u00f3 m\u1ea1ch n\u1ed9i b\u1ed9 \u0111\u01a1n gi\u1ea3n h\u01a1n<\/p><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><p><a href=\"https:\/\/www.l-p.com\/products\/476089.htm\" target=\"_blank\" rel=\"\"><strong>Module SFP+ 10G<\/strong><\/a><\/p>\n<ul class=\"wp-block-list\">\n<li><p>Y\u00eau c\u1ea7u \u0111i\u1ec7n n\u0103ng cao h\u01a1n do x\u1eed l\u00fd t\u00edn hi\u1ec7u nhanh h\u01a1n<\/p><\/li>\n\n\n\n<li><p>Logic x\u1eed l\u00fd t\u00edn hi\u1ec7u s\u1ed1 (DSP) v\u00e0 m\u00e3 h\u00f3a ti\u00ean ti\u1ebfn h\u01a1n<\/p><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Trong c\u00e1c tri\u1ec3n khai quy m\u00f4 l\u1edbn, s\u1ef1 kh\u00e1c bi\u1ec7t n\u00e0y c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u00e1ng k\u1ec3 \u0111\u1ebfn thi\u1ebft k\u1ebf t\u1ea3n nhi\u1ec7t v\u00e0 l\u1eadp k\u1ebf ho\u1ea1ch hi\u1ec7u qu\u1ea3 n\u0103ng l\u01b0\u1ee3ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng: Truy c\u1eadp so v\u1edbi T\u1ed5ng h\u1ee3p<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c module n\u00e0y th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u1edf c\u00e1c l\u1edbp kh\u00e1c nhau c\u1ee7a m\u1ea1ng:<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">SFP 1G (L\u1edbp truy c\u1eadp)<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>K\u1ebft n\u1ed1i thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i<\/p><\/li>\n\n\n\n<li><p>B\u1ed9 chuy\u1ec3n m\u1ea1ch v\u0103n ph\u00f2ng<\/p><\/li>\n\n\n\n<li><p><a href=\"https:\/\/resources.l-p.com\/vi\/knowledge-center\/ip-internet-protocol-cameras-overview\/\" target=\"_blank\" rel=\"\">IP cameras<\/a>, k\u1ebft n\u1ed1i uplink cho AP<\/p><\/li>\n\n\n\n<li><p>C\u00e1c tri\u1ec3n khai nh\u1ea1y c\u1ea3m v\u1ec1 chi ph\u00ed<\/p><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">SFP+ 10G (L\u1edbp t\u1ed5ng h\u1ee3p \/ l\u00f5i)<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Li\u00ean k\u1ebft x\u01b0\u01a1ng s\u1ed1ng trung t\u00e2m d\u1eef li\u1ec7u<\/p><\/li>\n\n\n\n<li><p>K\u1ebft n\u1ed1i uplink m\u00e1y ch\u1ee7<\/p><\/li>\n\n\n\n<li><p>M\u1ea1ng l\u01b0u tr\u1eef hi\u1ec7u n\u0103ng cao<\/p><\/li>\n\n\n\n<li><p>T\u1ed5ng h\u1ee3p nhi\u1ec1u li\u00ean k\u1ebft 1G th\u00e0nh c\u00e1c li\u00ean k\u1ebft uplink 10G<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00f3m l\u1ea1i:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>1G = l\u1edbp bi\u00ean \/ l\u1edbp truy c\u1eadp<\/p><\/li>\n\n\n\n<li><p>10G = l\u1edbp x\u01b0\u01a1ng s\u1ed1ng \/ l\u1edbp t\u1ed5ng h\u1ee3p<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u2b50 SFP+ lu\u00f4n h\u1ed7 tr\u1ee3 1Gb hay kh\u00f4ng?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng c\u00e2u h\u1ecfi d\u1ec5 g\u00e2y hi\u1ec3u nh\u1ea7m nh\u1ea5t trong l\u0129nh v\u1ef1c m\u1ea1ng\u2014v\u00e0 c\u0169ng l\u00e0 l\u00fd do ch\u00ednh khi\u1ebfn ng\u01b0\u1eddi d\u00f9ng t\u00ecm ki\u1ebfm c\u1ee5m t\u1eeb \u201cc\u00f3 th\u1ec3 d\u00f9ng module SFP 1Gb trong c\u1ed5ng 10Gb hay kh\u00f4ng\u201d.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/cc88980fe6b44f1e9e787811882480ea.jpg\" alt=\"Does SFP+ Always Support 1Gb?\" class=\"wp-image-2477\" srcset=\"https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/cc88980fe6b44f1e9e787811882480ea.jpg 1200w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/cc88980fe6b44f1e9e787811882480ea-300x169.jpg 300w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/cc88980fe6b44f1e9e787811882480ea-1024x576.jpg 1024w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/cc88980fe6b44f1e9e787811882480ea-768x432.jpg 768w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/cc88980fe6b44f1e9e787811882480ea-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Hi\u1ec3u l\u1ea7m ph\u1ed5 bi\u1ebfn<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Nhi\u1ec1u ng\u01b0\u1eddi d\u00f9ng gi\u1ea3 \u0111\u1ecbnh r\u1eb1ng:<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">\u201cN\u1ebfu l\u00e0 SFP+, th\u00ec ch\u1eafc ch\u1eafn t\u1ef1 \u0111\u1ed9ng h\u1ed7 tr\u1ee3 c\u1ea3 1G, 10G v\u00e0 m\u1ecdi t\u1ed1c \u0111\u1ed9 \u1edf gi\u1eefa.\u201d<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110i\u1ec1u n\u00e0y l\u00e0 kh\u00f4ng \u0111\u00fang.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1eb7c d\u00f9 m\u1ed9t s\u1ed1 c\u1ed5ng SFP+ h\u1ed7 tr\u1ee3 nhi\u1ec1u t\u1ed1c \u0111\u1ed9, nh\u01b0ng nhi\u1ec1u c\u1ed5ng kh\u00e1c \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ch\u1ec9 ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ed1c \u0111\u1ed9 10G v\u00e0 ho\u00e0n to\u00e0n kh\u00f4ng h\u1ed7 tr\u1ee3 module 1G.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Kh\u1ea3 n\u0103ng c\u1ee7a c\u1ed5ng so v\u1edbi kh\u1ea3 n\u0103ng c\u1ee7a module<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">T\u00ednh t\u01b0\u01a1ng th\u00edch ph\u1ee5 thu\u1ed9c v\u00e0o hai l\u1edbp ri\u00eang bi\u1ec7t:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Kh\u1ea3 n\u0103ng c\u1ee7a c\u1ed5ng (ph\u00eda switch)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>M\u1ed9t s\u1ed1 c\u1ed5ng h\u1ed7 tr\u1ee3 hai t\u1ed1c \u0111\u1ed9 (1G\/10G)<\/p><\/li>\n\n\n\n<li><p>C\u00e1c c\u1ed5ng kh\u00e1c ch\u1ec9 c\u1ed1 \u0111\u1ecbnh \u1edf t\u1ed1c \u0111\u1ed9 10G<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Kh\u1ea3 n\u0103ng c\u1ee7a module (ph\u00eda SFP)<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Module SFP 1G = ho\u1ea1t \u0111\u1ed9ng c\u1ed1 \u0111\u1ecbnh \u1edf t\u1ed1c \u0111\u1ed9 1G<\/p><\/li>\n\n\n\n<li><p>Module SFP+ 10G = ho\u1ea1t \u0111\u1ed9ng c\u1ed1 \u0111\u1ecbnh \u1edf t\u1ed1c \u0111\u1ed9 10G (trong h\u1ea7u h\u1ebft c\u00e1c tr\u01b0\u1eddng h\u1ee3p)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Quy t\u1eafc then ch\u1ed1t: C\u1ed5ng ph\u1ea3i h\u1ed7 tr\u1ee3 ch\u1ebf \u0111\u1ed9 1G\u2014ch\u1ec9 ri\u00eang module kh\u00f4ng th\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh t\u01b0\u01a1ng th\u00edch.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">C\u00e2u tr\u1ea3 l\u1eddi r\u00f5 r\u00e0ng cho m\u1ee5c \u0111\u00edch PAA<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>SFP+ lu\u00f4n h\u1ed7 tr\u1ee3 1Gb hay kh\u00f4ng?<\/strong><br>\ud83d\udc49 Kh\u00f4ng.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>M\u1ed9t s\u1ed1 c\u1ed5ng SFP+ h\u1ed7 tr\u1ee3 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch ng\u01b0\u1ee3c v\u1edbi 1G<\/p><\/li>\n\n\n\n<li><p>Nhi\u1ec1u c\u1ed5ng SFP+ ch\u1ec9 ho\u1ea1t \u0111\u1ed9ng c\u1ed1 \u0111\u1ecbnh \u1edf t\u1ed1c \u0111\u1ed9 10G<\/p><\/li>\n\n\n\n<li><p>Vi\u1ec7c h\u1ed7 tr\u1ee3 ph\u1ee5 thu\u1ed9c v\u00e0o ph\u1ea7n c\u1ee9ng switch, chipset v\u00e0 c\u1ea5u h\u00ecnh firmware<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Key Takeaway<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SFP+ l\u00e0 m\u1ed9t chu\u1ea9n c\u1ed5ng, ch\u1ee9 kh\u00f4ng ph\u1ea3i l\u00e0 cam k\u1ebft v\u1ec1 kh\u1ea3 n\u0103ng h\u1ed7 tr\u1ee3 \u0111a t\u1ed1c \u0111\u1ed9. Vi\u1ec7c module SFP 1G c\u00f3 ho\u1ea1t \u0111\u1ed9ng \u0111\u01b0\u1ee3c hay kh\u00f4ng ho\u00e0n to\u00e0n ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c c\u1ed5ng \u0111\u00f3 c\u00f3 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 ho\u1ea1t \u0111\u1ed9ng \u0111a t\u1ed1c \u0111\u1ed9 hay ch\u1ec9 c\u1ed1 \u0111\u1ecbnh \u1edf t\u1ed1c \u0111\u1ed9 10G.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u2b50 Kh\u1eafc ph\u1ee5c s\u1ef1 c\u1ed1: SFP 1G kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng tr\u00ean c\u1ed5ng 10G<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1eb7c d\u00f9 module SFP 1Gb th\u01b0\u1eddng c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng tr\u00ean c\u1ed5ng SFP+ 10Gb, nh\u01b0ng trong th\u1ef1c t\u1ebf tri\u1ec3n khai, th\u01b0\u1eddng g\u1eb7p c\u00e1c v\u1ea5n \u0111\u1ec1 khi\u1ebfn li\u00ean k\u1ebft kh\u00f4ng thi\u1ebft l\u1eadp \u0111\u01b0\u1ee3c. Trong h\u1ea7u h\u1ebft c\u00e1c tr\u01b0\u1eddng h\u1ee3p, nguy\u00ean nh\u00e2n kh\u00f4ng n\u1eb1m \u1edf module v\u1eadt l\u00fd, m\u00e0 do c\u1ea5u h\u00ecnh, t\u01b0\u01a1ng th\u00edch ho\u1eb7c gi\u1edbi h\u1ea1n\u56fa\u4ef6.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/7605dfa654ee48ba9c5f2528728d7c2f.jpg\" alt=\"Troubleshooting: 1G SFP Not Working in 10G Port\" class=\"wp-image-2478\" srcset=\"https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/7605dfa654ee48ba9c5f2528728d7c2f.jpg 1200w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/7605dfa654ee48ba9c5f2528728d7c2f-300x169.jpg 300w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/7605dfa654ee48ba9c5f2528728d7c2f-1024x576.jpg 1024w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/7605dfa654ee48ba9c5f2528728d7c2f-768x432.jpg 768w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/7605dfa654ee48ba9c5f2528728d7c2f-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1c t\u00ecnh hu\u1ed1ng l\u1ed7i ph\u1ed5 bi\u1ebfn nh\u1ea5t v\u00e0 c\u00e1ch kh\u1eafc ph\u1ee5c ch\u00fang.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25b6 Kh\u00f4ng c\u00f3 \u0111\u00e8n b\u00e1o li\u00ean k\u1ebft<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Bi\u1ec3u hi\u1ec7n:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Module SFP \u0111\u00e3 \u0111\u01b0\u1ee3c c\u1eafm \u0111\u00fang c\u00e1ch<\/p><\/li>\n\n\n\n<li><p>Kh\u00f4ng c\u00f3 ho\u1ea1t \u0111\u1ed9ng LED tr\u00ean c\u1ed5ng<\/p><\/li>\n\n\n\n<li><p>Kh\u00f4ng c\u00f3 k\u1ebft n\u1ed1i m\u1ea1ng<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u1ed5ng b\u1ecb kh\u00f3a \u1edf t\u1ed1c \u0111\u1ed9 ch\u1ec9 10 Gbps<\/p><\/li>\n\n\n\n<li><p>B\u1ed9 chuy\u1ec3n m\u1ea1ch kh\u00f4ng h\u1ed7 tr\u1ee3 ch\u1ebf \u0111\u1ed9 tr\u1edf v\u1ec1 1G<\/p><\/li>\n\n\n\n<li><p>V\u1ea5n \u0111\u1ec1 ph\u00e2n c\u1ef1c s\u1ee3i quang ho\u1eb7c c\u00e1p (\u00edt ph\u1ed5 bi\u1ebfn h\u01a1n)<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e1ch kh\u1eafc ph\u1ee5c:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Ki\u1ec3m tra xem c\u1ed5ng SFP+ c\u00f3 h\u1ed7 tr\u1ee3 ch\u1ebf \u0111\u1ed9 \u0111a t\u1ed1c \u0111\u1ed9 1G\/10G hay kh\u00f4ng<\/p><\/li>\n\n\n\n<li><p>X\u00e1c minh t\u00e0i li\u1ec7u b\u1ed9 chuy\u1ec3n m\u1ea1ch v\u1ec1 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi 1G<\/p><\/li>\n\n\n\n<li><p>Th\u1eed s\u1eed d\u1ee5ng module 1G \u0111\u00e3 \u0111\u01b0\u1ee3c x\u00e1c nh\u1eadn h\u1ed7 tr\u1ee3<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u25b6 L\u1ed7i module kh\u00f4ng \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Bi\u1ec3u hi\u1ec7n:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Nh\u1eadt k\u00fd b\u1ed9 chuy\u1ec3n m\u1ea1ch hi\u1ec3n th\u1ecb \u201ctransceiver kh\u00f4ng \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3\u201d<\/p><\/li>\n\n\n\n<li><p>C\u1ed5ng c\u00f3 th\u1ec3 b\u1ecb v\u00f4 hi\u1ec7u h\u00f3a \u1edf c\u1ea5p qu\u1ea3n tr\u1ecb<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Kh\u00f3a nh\u00e0 cung c\u1ea5p (<a href=\"https:\/\/www.l-p.com\/products\/476756.htm\" target=\"_self\">Cisco<\/a>, <a href=\"https:\/\/www.l-p.com\/products\/477871.htm\" target=\"_self\">Juniper<\/a>, etc.)<\/p><\/li>\n\n\n\n<li><p>Kh\u00f4ng kh\u1edbp m\u00e3 h\u00f3a EEPROM<br><\/p><\/li>\n\n\n\n<li><p>Thi\u1ebft b\u1ecb quang h\u1ecdc c\u1ee7a b\u00ean th\u1ee9 ba kh\u00f4ng \u0111\u01b0\u1ee3c nh\u1eadn di\u1ec7n<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e1ch kh\u1eafc ph\u1ee5c:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>S\u1eed d\u1ee5ng thi\u1ebft b\u1ecb quang h\u1ecdc \u0111\u01b0\u1ee3c nh\u00e0 cung c\u1ea5p ph\u00ea duy\u1ec7t ho\u1eb7c \u0111\u00e3 m\u00e3 h\u00f3a <a href=\"https:\/\/www.l-p.com\/products\/476757.htm\" target=\"_self\">compatible SFP modules<\/a><\/p><\/li>\n\n\n\n<li><p>Ki\u1ec3m tra ma tr\u1eadn t\u01b0\u01a1ng th\u00edch c\u1ee7a b\u1ed9 chuy\u1ec3n m\u1ea1ch<\/p><\/li>\n\n\n\n<li><p>C\u1eadp nh\u1eadt firmware n\u1ebfu nh\u00e0 cung c\u1ea5p \u0111\u00e3 b\u1ed5 sung h\u1ed7 tr\u1ee3 m\u1edbi<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Trong m\u00f4i tr\u01b0\u1eddng doanh nghi\u1ec7p, \u0111\u00e2y l\u00e0 m\u1ed9t trong nh\u1eefng r\u00e0o c\u1ea3n ph\u1ed5 bi\u1ebfn nh\u1ea5t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u25b6 Sai l\u1ec7ch t\u1ed1c \u0111\u1ed9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Bi\u1ec3u hi\u1ec7n:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u0110\u00e8n b\u00e1o li\u00ean k\u1ebft xu\u1ea5t hi\u1ec7n nh\u01b0ng kh\u00f4ng c\u00f3 l\u01b0u l\u01b0\u1ee3ng truy\u1ec1n qua<\/p><\/li>\n\n\n\n<li><p>Giao di\u1ec7n v\u1eabn \u1edf tr\u1ea1ng th\u00e1i down ho\u1eb7c kh\u00f4ng \u1ed5n \u0111\u1ecbnh<\/p><\/li>\n\n\n\n<li><p>K\u1ebft n\u1ed1i nh\u1ea5p nh\u00e1y<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Nguy\u00ean nh\u00e2n ph\u1ed5 bi\u1ebfn:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u1ed5ng b\u1ecb \u00e9p \u1edf ch\u1ebf \u0111\u1ed9 10G<\/p><\/li>\n\n\n\n<li><p>\u0110\u00e3 ch\u00e8n SFP 1G m\u00e0 kh\u00f4ng c\u1ea5u h\u00ecnh th\u1ee7 c\u00f4ng<\/p><\/li>\n\n\n\n<li><p>Th\u1ea5t b\u1ea1i trong t\u1ef1 th\u01b0\u01a1ng l\u01b0\u1ee3ng tr\u00ean c\u00e1c li\u00ean k\u1ebft s\u1ee3i quang<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e1ch kh\u1eafc ph\u1ee5c:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Thi\u1ebft l\u1eadp th\u1ee7 c\u00f4ng t\u1ed1c \u0111\u1ed9 giao di\u1ec7n th\u00e0nh 1000 Mbps<\/p><\/li>\n\n\n\n<li><p>V\u00f4 hi\u1ec7u h\u00f3a ch\u1ebf \u0111\u1ed9 10G b\u1ecb \u00e9p n\u1ebfu c\u00f3 \u00e1p d\u1ee5ng<\/p><\/li>\n\n\n\n<li><p>Kh\u1edfi \u0111\u1ed9ng l\u1ea1i giao di\u1ec7n sau khi thay \u0111\u1ed5i c\u1ea5u h\u00ecnh<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u25b6 H\u01b0\u1edbng d\u1eabn kh\u1eafc ph\u1ee5c t\u1eebng b\u01b0\u1edbc<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu SFP 1G c\u1ee7a b\u1ea1n kh\u00f4ng ho\u1ea1t \u0111\u1ed9ng tr\u00ean c\u1ed5ng 10G, h\u00e3y l\u00e0m theo danh s\u00e1ch ki\u1ec3m tra n\u00e0y:<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">B\u01b0\u1edbc 1: X\u00e1c minh t\u00ednh t\u01b0\u01a1ng th\u00edch ph\u1ea7n c\u1ee9ng<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Ki\u1ec3m tra xem switch c\u00f3 h\u1ed7 tr\u1ee3 c\u1ed5ng SFP+ hai t\u1ed1c \u0111\u1ed9 hay kh\u00f4ng<\/p><\/li>\n\n\n\n<li><p>X\u00e1c nh\u1eadn h\u1ed7 tr\u1ee3 SFP 1G trong t\u00e0i li\u1ec7u k\u1ef9 thu\u1eadt<\/p><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">B\u01b0\u1edbc 2: Ki\u1ec3m tra lo\u1ea1i module<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u0110\u1ea3m b\u1ea3o module l\u00e0 SFP 1G (kh\u00f4ng ph\u1ea3i SFP+)<\/p><\/li>\n\n\n\n<li><p>Ki\u1ec3m tra t\u00ednh t\u01b0\u01a1ng th\u00edch m\u00e3 nh\u00e0 cung c\u1ea5p<\/p><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">B\u01b0\u1edbc 3: C\u1ea5u h\u00ecnh t\u1ed1c \u0111\u1ed9 c\u1ed5ng<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Thi\u1ebft l\u1eadp t\u1ed1c \u0111\u1ed9 giao di\u1ec7n th\u00e0nh 1Gbps<\/p><\/li>\n\n\n\n<li><p>V\u00f4 hi\u1ec7u h\u00f3a ch\u1ebf \u0111\u1ed9 10G b\u1ecb \u00e9p n\u1ebfu \u0111ang b\u1eadt<\/p><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">B\u01b0\u1edbc 4: Ch\u00e8n l\u1ea1i module<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Th\u00e1o v\u00e0 ch\u00e8n l\u1ea1i SFP<\/p><\/li>\n\n\n\n<li><p>Ch\u1edd qu\u00e1 tr\u00ecnh ph\u00e1t hi\u1ec7n l\u1ea1i<\/p><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">B\u01b0\u1edbc 5: Th\u1eed c\u1ed5ng ho\u1eb7c module kh\u00e1c<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Th\u1eed m\u1ed9t c\u1ed5ng SFP+ kh\u00e1c<\/p><\/li>\n\n\n\n<li><p>S\u1eed d\u1ee5ng m\u1ed9t module 1G \u0111\u00e3 bi\u1ebft l\u00e0 ho\u1ea1t \u0111\u1ed9ng t\u1ed1t \u0111\u1ec3 x\u00e1c minh<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Key Takeaway<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Khi SFP 1G th\u1ea5t b\u1ea1i tr\u00ean c\u1ed5ng 10G, nguy\u00ean nh\u00e2n g\u1ea7n nh\u01b0 lu\u00f4n do:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u274c Thi\u1ebfu h\u1ed7 tr\u1ee3 \u0111a t\u1ed1c \u0111\u1ed9<\/p><\/li>\n\n\n\n<li><p>\u274c H\u1ea1n ch\u1ebf t\u1eeb nh\u00e0 cung c\u1ea5p<\/p><\/li>\n\n\n\n<li><p>\u274c C\u1ea5u h\u00ecnh t\u1ed1c \u0111\u1ed9 sai<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1edbi vi\u1ec7c x\u00e1c minh v\u00e0 c\u1ea5u h\u00ecnh \u0111\u00fang c\u00e1ch, h\u1ea7u h\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1 t\u01b0\u01a1ng th\u00edch \u0111\u1ec1u c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c gi\u1ea3i quy\u1ebft m\u00e0 kh\u00f4ng c\u1ea7n thay th\u1ebf ph\u1ea7n c\u1ee9ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u2b50 C\u00e1ch ch\u1ecdn module SFP ph\u00f9 h\u1ee3p (OEM so v\u1edbi l\u1ef1a ch\u1ecdn thay th\u1ebf)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c ch\u1ecdn module SFP ph\u00f9 h\u1ee3p quan tr\u1ecdng ngang b\u1eb1ng vi\u1ec7c hi\u1ec3u xem SFP 1G c\u00f3 th\u1ec3 ho\u1ea1t \u0111\u1ed9ng tr\u00ean c\u1ed5ng SFP+ 10G hay kh\u00f4ng. Trong tri\u1ec3n khai th\u1ef1c t\u1ebf, c\u00e1c v\u1ea5n \u0111\u1ec1 t\u01b0\u01a1ng th\u00edch th\u01b0\u1eddng kh\u00f4ng xu\u1ea5t ph\u00e1t t\u1eeb ch\u00ednh c\u1ed5ng, m\u00e0 do vi\u1ec7c l\u1ef1a ch\u1ecdn module, m\u00e3 h\u00f3a v\u00e0 c\u00e1c h\u1ea1n ch\u1ebf t\u1eeb nh\u00e0 cung c\u1ea5p.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u n\u0103ng \u1ed5n \u0111\u1ecbnh v\u00e0 tr\u00e1nh th\u1eddi gian ng\u1eebng ho\u1ea1t \u0111\u1ed9ng t\u1ed1n k\u00e9m, \u0111i\u1ec1u quan tr\u1ecdng l\u00e0 c\u1ea7n \u0111\u00e1nh gi\u00e1 c\u1ea3 c\u00e1c t\u00f9y ch\u1ecdn OEM v\u00e0 b\u00ean th\u1ee9 ba, c\u0169ng nh\u01b0 c\u00e1c y\u1ebfu t\u1ed1 t\u01b0\u01a1ng th\u00edch k\u1ef9 thu\u1eadt.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"675\" src=\"https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/75fce7388f984b2dbd4b1e6fa84103e4.jpg\" alt=\"How to Choose the Right SFP Module (OEM vs. Alternative)\" class=\"wp-image-2479\" srcset=\"https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/75fce7388f984b2dbd4b1e6fa84103e4.jpg 1200w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/75fce7388f984b2dbd4b1e6fa84103e4-300x169.jpg 300w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/75fce7388f984b2dbd4b1e6fa84103e4-1024x576.jpg 1024w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/75fce7388f984b2dbd4b1e6fa84103e4-768x432.jpg 768w, https:\/\/resources.l-p.com\/wp-content\/uploads\/2026\/05\/75fce7388f984b2dbd4b1e6fa84103e4-18x10.jpg 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">OEM so v\u1edbi module b\u00ean th\u1ee9 ba<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\ud83d\udd37 Module OEM (Nh\u00e0 s\u1ea3n xu\u1ea5t thi\u1ebft b\u1ecb g\u1ed1c)<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/478227.htm\">c\u00e1c m\u00f4-\u0111un OEM<br><\/a> \u0110\u01b0\u1ee3c s\u1ea3n xu\u1ea5t ho\u1eb7c ch\u1ee9ng nh\u1eadn b\u1edfi nh\u00e0 cung c\u1ea5p switch (v\u00ed d\u1ee5: Cisco, Juniper).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u01afu \u0111i\u1ec3m:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>\u0110\u1ea3m b\u1ea3o m\u1ee9c \u0111\u1ed9 t\u01b0\u01a1ng th\u00edch cao nh\u1ea5t<\/p><\/li>\n\n\n\n<li><p>\u0110\u01b0\u1ee3c h\u1ed7 tr\u1ee3 \u0111\u1ea7y \u0111\u1ee7 b\u1edfi firmware nh\u00e0 cung c\u1ea5p<\/p><\/li>\n\n\n\n<li><p>R\u1ee7i ro th\u1ea5p nh\u1ea5t v\u1ec1 l\u1ed7i \u201ctransceiver kh\u00f4ng \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3\u201d<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>H\u1ea1n ch\u1ebf:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Chi ph\u00ed cao h\u01a1n<\/p><\/li>\n\n\n\n<li><p>Linh ho\u1ea1t h\u1ea1n ch\u1ebf trong m\u00f4i tr\u01b0\u1eddng \u0111a nh\u00e0 cung c\u1ea5p<\/p><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\ud83d\udd36 Module b\u00ean th\u1ee9 ba (t\u01b0\u01a1ng th\u00edch)<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u01b0\u1ee3c s\u1ea3n xu\u1ea5t b\u1edfi c\u00e1c nh\u00e0 cung c\u1ea5p \u0111\u1ed9c l\u1eadp v\u00e0 \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ec3 \u0111\u00e1p \u1ee9ng th\u00f4ng s\u1ed1 k\u1ef9 thu\u1eadt OEM.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u01afu \u0111i\u1ec3m:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Chi ph\u00ed th\u1ea5p h\u01a1n<\/p><\/li>\n\n\n\n<li><p>T\u01b0\u01a1ng th\u00edch r\u1ed9ng r\u00e3i tr\u00ean nhi\u1ec1u th\u01b0\u01a1ng hi\u1ec7u<\/p><\/li>\n\n\n\n<li><p>Tri\u1ec3n khai linh ho\u1ea1t cho m\u1ea1ng h\u1ed7n h\u1ee3p<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>H\u1ea1n ch\u1ebf:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u00f3 th\u1ec3 y\u00eau c\u1ea7u m\u00e3 h\u00f3a t\u01b0\u01a1ng th\u00edch (l\u1eadp tr\u00ecnh EEPROM)<\/p><\/li>\n\n\n\n<li><p>M\u1ed9t s\u1ed1 switch v\u1eabn c\u00f3 th\u1ec3 ch\u1eb7n ch\u00fang t\u00f9y thu\u1ed9c v\u00e0o ch\u00ednh s\u00e1ch firmware<\/p><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">M\u00e3 h\u00f3a t\u01b0\u01a1ng th\u00edch r\u1ea5t quan tr\u1ecdng<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t trong nh\u1eefng y\u1ebfu t\u1ed1 quan tr\u1ecdng nh\u1ea5t khi ch\u1ecdn module SFP l\u00e0 m\u00e3 h\u00f3a module.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Switch th\u01b0\u1eddng \u0111\u1ecdc EEPROM c\u1ee7a module \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Vendor identity<\/p><\/li>\n\n\n\n<li><p>T\u1ed1c \u0111\u1ed9 h\u1ed7 tr\u1ee3 (1G \/ 10G)<\/p><\/li>\n\n\n\n<li><p>T\u00ednh t\u01b0\u01a1ng th\u00edch giao th\u1ee9c<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">N\u1ebfu m\u00e3 h\u00f3a kh\u00f4ng kh\u1edbp v\u1edbi gi\u00e1 tr\u1ecb mong \u0111\u1ee3i:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>C\u1ed5ng c\u00f3 th\u1ec3 t\u1eeb ch\u1ed1i module<\/p><\/li>\n\n\n\n<li><p>Ho\u1eb7c hi\u1ec3n th\u1ecb c\u1ea3nh b\u00e1o \u201ctransceiver kh\u00f4ng \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3\u201d<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u01b0\u1ee3c m\u00e3 h\u00f3a \u0111\u00fang c\u00e1ch <a target=\"_self\" href=\"https:\/\/www.l-p.com\/products\/476865.htm\">t\u01b0\u01a1ng th\u00edch \u0111\u00e3 \u0111\u01b0\u1ee3c m\u00e3 h\u00f3a theo nh\u00e0 cung c\u1ea5p<\/a> L\u00e0 \u0111i\u1ec1u thi\u1ebft y\u1ebfu \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o ho\u1ea1t \u0111\u1ed9ng tr\u01a1n tru trong c\u1ea3 m\u00f4i tr\u01b0\u1eddng 1G v\u00e0 10G.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">S\u1ef1 \u0111\u00e1nh \u0111\u1ed5i gi\u1eefa chi ph\u00ed v\u00e0 hi\u1ec7u n\u0103ng<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Khi ch\u1ecdn module SFP, h\u00e3y c\u00e2n nh\u1eafc:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>M\u00f4-\u0111un OEM:<\/strong> Chi ph\u00ed cao h\u01a1n, \u0111\u1ed9 tin c\u1eady t\u1ed1i \u0111a<\/p><\/li>\n\n\n\n<li><p><strong>Module t\u01b0\u01a1ng th\u00edch:<\/strong> Ti\u1ebft ki\u1ec7m chi ph\u00ed, m\u1edf r\u1ed9ng quy m\u00f4 d\u1ec5 d\u00e0ng cho c\u00e1c tri\u1ec3n khai l\u1edbn<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Trong nhi\u1ec1u m\u1ea1ng doanh nghi\u1ec7p, c\u00e1c b\u1ed9 quang h\u1ecdc t\u01b0\u01a1ng th\u00edch \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng r\u1ed9ng r\u00e3i cho:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>M\u1edf r\u1ed9ng l\u1edbp truy c\u1eadp<\/p><\/li>\n\n\n\n<li><p>Tri\u1ec3n khai s\u1ee3i quang quy m\u00f4 l\u1edbn<\/p><\/li>\n\n\n\n<li><p>T\u1ed1i \u01b0u ng\u00e2n s\u00e1ch m\u00e0 kh\u00f4ng \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u n\u0103ng<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u00eca kh\u00f3a n\u1eb1m \u1edf vi\u1ec7c c\u00e2n b\u1eb1ng hi\u1ec7u qu\u1ea3 chi ph\u00ed v\u1edbi t\u00ednh t\u01b0\u01a1ng th\u00edch \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m tra.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u1ec1 xu\u1ea5t module \u0111a t\u1ed1c \u0111\u1ed9<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ed1i v\u1edbi c\u00e1c m\u1ea1ng n\u01a1i b\u1ea1n th\u01b0\u1eddng \u0111\u1eb7t c\u00e2u h\u1ecfi \u201cc\u00f3 th\u1ec3 d\u00f9ng SFP 1Gb tr\u00ean c\u1ed5ng 10Gb kh\u00f4ng\u201d, gi\u1ea3i ph\u00e1p linh ho\u1ea1t nh\u1ea5t th\u01b0\u1eddng l\u00e0 module SFP \u0111a t\u1ed1c \u0111\u1ed9 ho\u1eb7c hai t\u1ed1c \u0111\u1ed9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c module n\u00e0y c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Ho\u1ea1t \u0111\u1ed9ng 1G trong m\u1ea1ng truy c\u1eadp<\/p><\/li>\n\n\n\n<li><p>T\u00edch h\u1ee3p li\u1ec1n m\u1ea1ch v\u00e0o c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng SFP+ 10G (n\u1ebfu \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3)<\/p><\/li>\n\n\n\n<li><p>Qu\u1ea3n l\u00fd kho \u0111\u01a1n gi\u1ea3n h\u01a1n<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u00fang \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch trong:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>M\u1ea1ng doanh nghi\u1ec7p h\u1ed7n h\u1ee3p t\u1ed1c \u0111\u1ed9<\/p><\/li>\n\n\n\n<li><p>N\u00e2ng c\u1ea5p m\u1ea1ng t\u1eebng b\u01b0\u1edbc (di chuy\u1ec3n t\u1eeb 1G \u2192 10G)<\/p><\/li>\n\n\n\n<li><p>Tri\u1ec3n khai t\u1ea1i bi\u00ean trung t\u00e2m d\u1eef li\u1ec7u<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Conclusion<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c hi\u1ec3u r\u00f5 SFP 1G c\u00f3 ho\u1ea1t \u0111\u1ed9ng tr\u00ean c\u1ed5ng SFP+ 10G hay kh\u00f4ng cu\u1ed1i c\u00f9ng ph\u1ee5 thu\u1ed9c v\u00e0o nhi\u1ec1u y\u1ebfu t\u1ed1 h\u01a1n l\u00e0 ch\u1ec9 t\u00ednh t\u01b0\u01a1ng th\u00edch v\u1eadt l\u00fd \u2014 c\u1ea7n \u0111\u00e1nh gi\u00e1 kh\u1ea3 n\u0103ng c\u1ed5ng, c\u00e1c h\u1ea1n ch\u1ebf firmware v\u00e0 vi\u1ec7c l\u1ef1a ch\u1ecdn module.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Trong h\u1ea7u h\u1ebft c\u00e1c tr\u01b0\u1eddng h\u1ee3p, th\u00e0nh c\u00f4ng ph\u1ee5 thu\u1ed9c v\u00e0o vi\u1ec7c l\u1ef1a ch\u1ecdn:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p>Module t\u01b0\u01a1ng th\u00edch ho\u1eb7c OEM ph\u00f9 h\u1ee3p<\/p><\/li>\n\n\n\n<li><p>Switch h\u1ed7 tr\u1ee3 ho\u1ea1t \u0111\u1ed9ng \u0111a t\u1ed1c \u0111\u1ed9<\/p><\/li>\n\n\n\n<li><p>C\u1ea5u h\u00ecnh c\u1ed5ng ch\u00ednh x\u00e1c<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\ud83d\udc49 N\u1ebfu b\u1ea1n \u0111ang t\u00ecm ki\u1ebfm c\u00e1c module SFP \u0111\u00e1ng tin c\u1eady v\u00e0 ho\u00e0n to\u00e0n t\u01b0\u01a1ng th\u00edch, h\u00e3y kh\u00e1m ph\u00e1 <a target=\"_self\" href=\"https:\/\/www.l-p.com\/\"><strong>LINK-PP Oficial Store<\/strong><\/a> \u0111\u1ec3 c\u00f3 c\u00e1c gi\u1ea3i ph\u00e1p \u0111\u00e3 \u0111\u01b0\u1ee3c ki\u1ec3m tra h\u1ed7 tr\u1ee3 c\u1ea3 tri\u1ec3n khai 1G v\u00e0 10G.<\/p>","protected":false},"excerpt":{"rendered":"<p>C\u00f3 th\u1ec3 s\u1eed d\u1ee5ng SFP 1Gb trong c\u1ed5ng 10Gb kh\u00f4ng? H\u1ecdc c\u00e1ch tu\u00e2n th\u1ee7 quy \u0111\u1ecbnh, gi\u1edbi h\u1ea1n, c\u00e1c m\u1eb9o c\u1ea5u h\u00ecnh v\u00e0 c\u00e1ch ch\u1ecdn \u0111\u00fang module SFP an to\u00e0n.<\/p>","protected":false},"author":1,"featured_media":2480,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[14,15,26],"class_list":["post-2481","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-center","tag-10g-sfp-transceivers","tag-link-pp-1g-sfp-modules","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/posts\/2481","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/comments?post=2481"}],"version-history":[{"count":4,"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/posts\/2481\/revisions"}],"predecessor-version":[{"id":10702,"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/posts\/2481\/revisions\/10702"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/media\/2480"}],"wp:attachment":[{"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/media?parent=2481"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/categories?post=2481"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resources.l-p.com\/vi\/wp-json\/wp\/v2\/tags?post=2481"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}