{"id":4635,"date":"2025-10-22T11:12:00","date_gmt":"2025-10-22T11:12:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/knowledge-center\/vlan-vs-vxlan-key-differences-scalability-flexibility-cost\/"},"modified":"2026-06-22T06:04:58","modified_gmt":"2026-06-22T06:04:58","slug":"vlan-vs-vxlan-key-differences-scalability-flexibility-cost","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/vlan-vs-vxlan-key-differences-scalability-flexibility-cost","title":{"rendered":"L\u00e0m r\u00f5 c\u1ea5u tr\u00fac m\u1ea1ng: Ph\u00e2n t\u00edch chuy\u00ean s\u00e2u v\u1ec1 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa VLAN v\u00e0 VXLAN"},"content":{"rendered":"<figure class=\"wp-block-image aligncenter size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1200\" height=\"712\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8d58cea6f1594fbe9bd6058be6ddea7b.webp\" alt=\"VLAN vs VXLAN\" class=\"wp-image-4632\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8d58cea6f1594fbe9bd6058be6ddea7b.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8d58cea6f1594fbe9bd6058be6ddea7b-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8d58cea6f1594fbe9bd6058be6ddea7b-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8d58cea6f1594fbe9bd6058be6ddea7b-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/8d58cea6f1594fbe9bd6058be6ddea7b-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Trong th\u1ebf gi\u1edbi m\u1ea1ng, kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 ph\u00e2n \u0111o\u1ea1n l\u00e0 n\u1ec1n t\u1ea3ng cho hi\u1ec7u n\u0103ng v\u00e0 b\u1ea3o m\u1eadt. Trong v\u00e0i th\u1eadp k\u1ef7 qua, <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/vlan-network-segmentation-security-management-basics\/\"><strong>M\u1ea1ng c\u1ee5c b\u1ed9 \u1ea3o (VLAN)<\/strong><\/a> \u0111\u00e3 l\u00e0 gi\u1ea3i ph\u00e1p h\u00e0ng \u0111\u1ea7u kh\u00f4ng th\u1ec3 tranh c\u00e3i \u0111\u1ec3 t\u1ea1o ra c\u00e1c ph\u00e2n chia m\u1ea1ng logic. Tuy nhi\u00ean, khi c\u00f4ng ngh\u1ec7 ph\u00e1t tri\u1ec3n, nhu c\u1ea7u c\u1ee7a ch\u00fang ta c\u0169ng thay \u0111\u1ed5i. S\u1ef1 tr\u1ed7i d\u1eady c\u1ee7a c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u quy m\u00f4 l\u1edbn, \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y v\u00e0 c\u00e1c m\u00f4i tr\u01b0\u1eddng \u0111a ng\u01b0\u1eddi thu\u00ea (multi-tenancy) \u0111\u00e3 \u0111\u1ea9y VLAN truy\u1ec1n th\u1ed1ng \u0111\u1ebfn gi\u1edbi h\u1ea1n c\u1ee7a ch\u00fang.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e3y c\u00f9ng kh\u00e1m ph\u00e1 <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/virtual-extensible-lan-scalable-secure-network-virtualization\/\"><strong>M\u1ea1ng c\u1ee5c b\u1ed9 m\u1edf r\u1ed9ng \u1ea3o (VXLAN)<\/strong><\/a>, m\u1ed9t giao th\u1ee9c \u0111\u00f3ng g\u00f3i hi\u1ec7n \u0111\u1ea1i \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf nh\u1eb1m gi\u1ea3i quy\u1ebft ch\u00ednh nh\u1eefng th\u00e1ch th\u1ee9c n\u00e0y. N\u1ebfu b\u1ea1n \u0111ang l\u00ean k\u1ebf ho\u1ea1ch m\u1edf r\u1ed9ng m\u1ea1ng trung t\u00e2m d\u1eef li\u1ec7u ho\u1eb7c t\u1ed1i \u01b0u h\u00f3a vi\u1ec7c qu\u1ea3n l\u00fd c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111\u00e1m m\u00e2y, vi\u1ec7c hi\u1ec3u r\u00f5 s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa hai c\u00f4ng ngh\u1ec7 n\u00e0y l\u00e0 r\u1ea5t quan tr\u1ecdng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u00e0i vi\u1ebft n\u00e0y s\u1ebd l\u00e0m r\u00f5 VLAN v\u00e0 VXLAN, so s\u00e1nh c\u01a1 ch\u1ebf ho\u1ea1t \u0111\u1ed9ng, c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng v\u00e0 c\u00e1ch ch\u00fang \u0111\u1ecbnh h\u00ecnh ki\u1ebfn tr\u00fac m\u1ea1ng hi\u1ec7n \u0111\u1ea1i.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcc4 Nh\u1eefng \u0111i\u1ec3m n\u1ed5i b\u1eadt<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>VLAN<\/strong> Ho\u1ea1t \u0111\u1ed9ng t\u1ed1t tr\u00ean c\u00e1c m\u1ea1ng nh\u1ecf. N\u00f3 gi\u00fap b\u1ea1n qu\u1ea3n l\u00fd m\u1ecdi th\u1ee9 d\u1ec5 d\u00e0ng. B\u1ea1n kh\u00f4ng c\u1ea7n ph\u1ea7n c\u1ee9ng \u0111\u1eb7c bi\u1ec7t \u0111\u1ec3 s\u1eed d\u1ee5ng VLAN.<\/p><\/li><li><p><strong>VXLAN<\/strong> Ph\u00f9 h\u1ee3p v\u1edbi c\u00e1c m\u1ea1ng l\u1edbn v\u00e0 ph\u1ee9c t\u1ea1p. N\u00f3 cho ph\u00e9p b\u1ea1n k\u1ebft n\u1ed1i nhi\u1ec1u \u0111\u1ecba \u0111i\u1ec3m v\u1edbi nhau. VXLAN c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng theo nhu c\u1ea7u c\u1ee7a b\u1ea1n.<\/p><\/li><li><p>Ch\u1ecdn VLAN n\u1ebfu c\u1ea5u h\u00ecnh c\u1ee7a b\u1ea1n \u0111\u01a1n gi\u1ea3n. S\u1eed d\u1ee5ng VLAN \u0111\u1ec3 t\u00e1ch bi\u1ec7t c\u00e1c thi\u1ebft b\u1ecb. Ch\u1ecdn VXLAN n\u1ebfu b\u1ea1n mu\u1ed1n m\u1edf r\u1ed9ng v\u1ec1 sau. VXLAN mang l\u1ea1i cho b\u1ea1n nhi\u1ec1u l\u1ef1a ch\u1ecdn h\u01a1n.<\/p><\/li><li><p>VLAN chi ph\u00ed th\u1ea5p h\u01a1n v\u00ec s\u1eed d\u1ee5ng c\u00e1c b\u1ed9 chuy\u1ec3n m\u1ea1ch th\u00f4ng th\u01b0\u1eddng. VXLAN c\u00f3 th\u1ec3 y\u00eau c\u1ea7u ph\u1ea7n c\u1ee9ng t\u1ed1t h\u01a1n. \u0110i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 khi\u1ebfn chi ph\u00ed ban \u0111\u1ea7u cao h\u01a1n.<\/p><\/li><li><p>C\u1ea3 VLAN v\u00e0 VXLAN \u0111\u1ec1u l\u00e0m t\u0103ng t\u00ednh an to\u00e0n cho m\u1ea1ng b\u1eb1ng c\u00e1ch t\u00e1ch bi\u1ec7t c\u00e1c nh\u00f3m. VXLAN b\u1ea3o v\u1ec7 t\u1ed1t h\u01a1n khi b\u1ea1n c\u00f3 nhi\u1ec1u \u0111\u1ecba \u0111i\u1ec3m.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcc4 Gi\u1ea3i ph\u00e1p c\u1ed5 \u0111i\u1ec3n \u0111\u00e1ng tin c\u1eady: VLAN l\u00e0 g\u00ec?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/vlan-network-segmentation-security-management-basics\/\"><strong>VLAN<\/strong><\/a><strong> (M\u1ea1ng c\u1ee5c b\u1ed9 \u1ea3o)<\/strong> l\u00e0 ph\u01b0\u01a1ng ph\u00e1p t\u1ea1o ra c\u00e1c m\u1ea1ng \u0111\u1ed9c l\u1eadp v\u00e0 logic trong m\u1ed9t c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng m\u1ea1ng v\u1eadt l\u00fd duy nh\u1ea5t. H\u00e3y t\u01b0\u1edfng t\u01b0\u1ee3ng m\u1ed9t t\u00f2a nh\u00e0 v\u0103n ph\u00f2ng l\u1edbn: thay v\u00ec tri\u1ec3n khai m\u1ed9t m\u1ea1ng v\u1eadt l\u00fd ri\u00eang bi\u1ec7t cho t\u1eebng b\u1ed9 ph\u1eadn (T\u00e0i ch\u00ednh, Nh\u00e2n s\u1ef1, K\u1ef9 thu\u1eadt), b\u1ea1n c\u00f3 th\u1ec3 d\u00f9ng VLAN \u0111\u1ec3 t\u1ea1o ra c\u00e1c m\u1ea1ng \u1ea3o c\u00e1ch ly tr\u00ean c\u00f9ng m\u1ed9t t\u1eadp h\u1ee3p b\u1ed9 chuy\u1ec3n m\u1ea1ch.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"992\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/43ec8c75ebc44b9ba48e1d546285e36e.webp\" alt=\"VLAN\" class=\"wp-image-4633\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/43ec8c75ebc44b9ba48e1d546285e36e.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/43ec8c75ebc44b9ba48e1d546285e36e-300x248.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/43ec8c75ebc44b9ba48e1d546285e36e-1024x847.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/43ec8c75ebc44b9ba48e1d546285e36e-768x635.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/43ec8c75ebc44b9ba48e1d546285e36e-15x12.webp 15w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng:<\/strong><br\/>VLAN ho\u1ea1t \u0111\u1ed9ng \u1edf t\u1ea7ng li\u00ean k\u1ebft d\u1eef li\u1ec7u (Layer 2) trong m\u00f4 h\u00ecnh OSI. Ch\u00fang ho\u1ea1t \u0111\u1ed9ng b\u1eb1ng c\u00e1ch ch\u00e8n m\u1ed9t th\u1ebb 4 byte \u2014 ID VLAN \u2014 v\u00e0o ti\u00eau \u0111\u1ec1 khung Ethernet. ID 12 bit n\u00e0y cho ph\u00e9p <strong>VLAN hi\u1ec7u qu\u1ea3<br><\/strong> t\u1ea1o ra t\u1ed1i \u0111a 4.094 m\u1ea1ng ri\u00eang bi\u1ec7t (v\u00ec ID 0 v\u00e0 4095 \u0111\u01b0\u1ee3c d\u00e0nh ri\u00eang).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>L\u1ee3i \u00edch ch\u00ednh:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>B\u1ea3o m\u1eadt n\u00e2ng cao:<\/strong> C\u00e1ch ly l\u01b0u l\u01b0\u1ee3ng nh\u1ea1y c\u1ea3m gi\u1eefa c\u00e1c b\u1ed9 ph\u1eadn ho\u1eb7c nh\u00f3m ng\u01b0\u1eddi d\u00f9ng.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Hi\u1ec7u n\u0103ng c\u1ea3i thi\u1ec7n:<\/strong> Gi\u1ea3m l\u01b0u l\u01b0\u1ee3ng ph\u00e1t s\u00f3ng b\u1eb1ng c\u00e1ch gi\u1edbi h\u1ea1n n\u00f3 trong m\u1ed9t mi\u1ec1n logic nh\u1ecf h\u01a1n.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Qu\u1ea3n l\u00fd \u0111\u01a1n gi\u1ea3n:<\/strong> C\u00e1c thay \u0111\u1ed5i m\u1ea1ng c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n m\u1ed9t c\u00e1ch logic m\u00e0 kh\u00f4ng c\u1ea7n \u0111\u1ea5u n\u1ed1i l\u1ea1i k\u1ebft n\u1ed1i v\u1eadt l\u00fd.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Tuy nhi\u00ean, gi\u1edbi h\u1ea1n 4.094 VLAN tr\u1edf th\u00e0nh m\u1ed9t r\u00e0ng bu\u1ed9c \u0111\u00e1ng k\u1ec3 trong c\u00e1c gi\u1ea3i ph\u00e1p trung t\u00e2m d\u1eef li\u1ec7u quy m\u00f4 l\u1edbn ho\u1eb7c <strong>doanh nghi\u1ec7p<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcc4 Gi\u1ea3i ph\u00e1p hi\u1ec7n \u0111\u1ea1i cho kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng: VXLAN l\u00e0 g\u00ec?<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/virtual-extensible-lan-scalable-secure-network-virtualization\/\"><strong>VXLAN<\/strong><\/a><strong> (M\u1ea1ng c\u1ee5c b\u1ed9 m\u1edf r\u1ed9ng \u1ea3o)<\/strong> l\u00e0 c\u00f4ng ngh\u1ec7 \u1ea3o h\u00f3a m\u1ea1ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf nh\u1eb1m kh\u1eafc ph\u1ee5c c\u00e1c gi\u1edbi h\u1ea1n v\u1ec1 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng c\u1ee7a VLAN. N\u00f3 th\u01b0\u1eddng \u0111\u01b0\u1ee3c m\u00f4 t\u1ea3 l\u00e0 \u201cm\u1ed9t l\u1edbp ph\u1ee7 Layer 2 tr\u00ean n\u1ec1n t\u1ea3ng Layer 3\u201d. N\u00f3i m\u1ed9t c\u00e1ch \u0111\u01a1n gi\u1ea3n, VXLAN bao b\u1ecdc to\u00e0n b\u1ed9 khung Ethernet Layer 2 b\u00ean trong c\u00e1c g\u00f3i UDP\/IP Layer 3, cho ph\u00e9p b\u1ea1n t\u1ea1o ra m\u1ed9t m\u1ea1ng logic kh\u1ed5ng l\u1ed3 c\u00f3 th\u1ec3 v\u01b0\u1ee3t qua c\u00e1c subnet IP v\u1eadt l\u00fd.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" width=\"1200\" height=\"985\" src=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4cca3c448c4b45c59b51457f6bd12651.webp\" alt=\"VXLAN\" class=\"wp-image-4634\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4cca3c448c4b45c59b51457f6bd12651.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4cca3c448c4b45c59b51457f6bd12651-300x246.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4cca3c448c4b45c59b51457f6bd12651-1024x841.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4cca3c448c4b45c59b51457f6bd12651-768x630.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/4cca3c448c4b45c59b51457f6bd12651-15x12.webp 15w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>C\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng:<\/strong><br\/>VXLAN s\u1eed d\u1ee5ng m\u1ed9t \u0111\u1ecbnh danh ph\u00e2n \u0111o\u1ea1n 24 bit \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 \u0110\u1ecbnh danh m\u1ea1ng VXLAN (VNI). \u0110i\u1ec1u n\u00e0y cho ph\u00e9p <strong>16 tri\u1ec7u<\/strong> t\u1ea1o ra t\u1edbi 16 tri\u1ec7u m\u1ea1ng logic ri\u00eang bi\u1ec7t \u2014 m\u1ed9t b\u01b0\u1edbc \u0111\u1ed9t ph\u00e1 \u0111\u1ed1i v\u1edbi <strong>nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y<\/strong> v\u00e0 c\u00e1c doanh nghi\u1ec7p l\u1edbn. Vi\u1ec7c bao b\u1ecdc v\u00e0 gi\u1ea3i bao khung \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1edfi c\u00e1c thi\u1ebft b\u1ecb g\u1ecdi l\u00e0 VTEP (\u0110i\u1ec3m cu\u1ed1i \u0111\u01b0\u1eddng h\u1ea7m VXLAN).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>L\u1ee3i \u00edch ch\u00ednh:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>Quy m\u00f4 kh\u1ed5ng l\u1ed3:<\/strong> H\u1ed7 tr\u1ee3 t\u1ed1i \u0111a 16 tri\u1ec7u m\u1ea1ng logic (gi\u1ea3i quy\u1ebft <strong>gi\u1edbi h\u1ea1n c\u1ee7a VLAN trong c\u00e1c m\u1ea1ng l\u1edbn)<\/strong>).<\/p><\/li><li><p style=\"margin: 0px;\"><strong>N\u1ec1n t\u1ea3ng Layer 3:<\/strong> T\u1eadn d\u1ee5ng \u0111\u1ed9 b\u1ec1n v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng c\u1ee7a \u0111\u1ecbnh tuy\u1ebfn IP.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Di chuy\u1ec3n t\u1ea3i l\u00e0m vi\u1ec7c t\u1ed1i \u01b0u:<\/strong> Cho ph\u00e9p di chuy\u1ec3n m\u00e1y \u1ea3o li\u1ec1n m\u1ea1ch qua c\u00e1c subnet IP kh\u00e1c nhau \u2014 \u0111i\u1ec1u then ch\u1ed1t \u0111\u1ed1i v\u1edbi <strong>m\u00f4i tr\u01b0\u1eddng \u0111\u00e1m m\u00e2y linh ho\u1ea1t<\/strong>.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcc4 So s\u00e1nh VLAN v\u00e0 VXLAN: So s\u00e1nh tr\u1ef1c ti\u1ebfp<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e3y c\u00f9ng ph\u00e2n t\u00edch nh\u1eefng kh\u00e1c bi\u1ec7t c\u1ed1t l\u00f5i trong b\u1ea3ng r\u00f5 r\u00e0ng v\u00e0 ng\u1eafn g\u1ecdn d\u01b0\u1edbi \u0111\u00e2y.<\/p>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>\u0110\u1eb7c t\u00ednh<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>VLAN (M\u1ea1ng LAN \u1ea3o)<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>VXLAN (M\u1ea1ng LAN m\u1edf r\u1ed9ng \u1ea3o)<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>L\u1edbp OSI<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>L\u1edbp li\u00ean k\u1ebft d\u1eef li\u1ec7u (L\u1edbp 2)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>L\u1edbp ph\u1ee7 m\u1ea1ng tr\u00ean n\u1ec1n t\u1ea3ng Layer 3<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>\u0110\u1ecbnh danh<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>ID VLAN 12 bit (t\u1ed1i \u0111a 4.094)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>VNI 24 bit (~t\u1ed1i \u0111a 16 tri\u1ec7u)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Bao b\u1ecdc<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ch\u00e8n th\u1ebb v\u00e0o ti\u00eau \u0111\u1ec1 Ethernet<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Bao b\u1ecdc to\u00e0n b\u1ed9 khung trong g\u00f3i UDP\/IP<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>C\u00e2y khung lan (Spanning Tree)<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Th\u01b0\u1eddng y\u00eau c\u1ea7u, c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn c\u00e1c li\u00ean k\u1ebft b\u1ecb ch\u1eb7n<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>\u0110\u01b0\u1ee3c tr\u00e1nh; s\u1eed d\u1ee5ng \u0111\u1ecbnh tuy\u1ebfn Layer 3 hi\u1ec7u qu\u1ea3<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>M\u1ea1ng LAN khu\u00f4n vi\u00ean, ph\u00e2n \u0111o\u1ea1n m\u1ea1ng doanh nghi\u1ec7p v\u1eeba v\u00e0 nh\u1ecf (SMB)<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Trung t\u00e2m d\u1eef li\u1ec7u quy m\u00f4 l\u1edbn, c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng \u0111\u00e1m m\u00e2y, m\u00f4i tr\u01b0\u1eddng \u0111a ng\u01b0\u1eddi thu\u00ea (multi-tenancy)<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>C\u1ea5u h\u00ecnh<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u01b0\u01a1ng \u0111\u1ed1i \u0111\u01a1n gi\u1ea3n tr\u00ean b\u1ed9 chuy\u1ec3n m\u1ea1ch<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ph\u1ee9c t\u1ea1p h\u01a1n, y\u00eau c\u1ea7u c\u1ea5u h\u00ecnh VTEP<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcc4 Tr\u01b0\u1eddng h\u1ee3p \u00e1p d\u1ee5ng n\u1ed5i b\u1eadt: L\u1ef1a ch\u1ecdn c\u00f4ng ngh\u1ec7 ph\u00f9 h\u1ee3p<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c l\u1ef1a ch\u1ecdn gi\u1eefa VLAN v\u00e0 VXLAN kh\u00f4ng ph\u1ea3i l\u00e0 v\u1ea5n \u0111\u1ec1 \u201cc\u00e1i n\u00e0o t\u1ed1t h\u01a1n\u201d, m\u00e0 l\u00e0 c\u00e1i n\u00e0o <strong>ph\u00f9 h\u1ee3p v\u1edbi y\u00eau c\u1ea7u m\u1ea1ng c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ti\u1ebfp t\u1ee5c s\u1eed d\u1ee5ng VLAN n\u1ebfu:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\">B\u1ea1n \u0111ang qu\u1ea3n l\u00fd m\u1ea1ng doanh nghi\u1ec7p v\u1eeba v\u00e0 nh\u1ecf ho\u1eb7c m\u1ea1ng khu\u00f4n vi\u00ean.<\/p><\/li><li><p style=\"margin: 0px;\">B\u1ea1n c\u1ea7n ph\u00e2n \u0111o\u1ea1n \u0111\u01a1n gi\u1ea3n nh\u1eb1m \u0111\u1ea3m b\u1ea3o an ninh ho\u1eb7c hi\u1ec7u n\u0103ng.<\/p><\/li><li><p style=\"margin: 0px;\">\u0110\u1ed9i ng\u0169 m\u1ea1ng c\u1ee7a b\u1ea1n quen thu\u1ed9c h\u01a1n v\u1edbi qu\u1ea3n l\u00fd Layer 2 truy\u1ec1n th\u1ed1ng.<\/p><\/li><li><p style=\"margin: 0px;\">B\u1ea1n s\u1ebd kh\u00f4ng bao gi\u1edd c\u1ea7n t\u1edbi h\u01a1n 4.000 m\u1ea1ng logic.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>N\u00e2ng c\u1ea5p l\u00ean VXLAN n\u1ebfu:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\">B\u1ea1n l\u00e0 <strong>nh\u00e0 cung c\u1ea5p d\u1ecbch v\u1ee5 \u0111\u00e1m m\u00e2y<\/strong> ho\u1eb7c qu\u1ea3n l\u00fd trung t\u00e2m d\u1eef li\u1ec7u quy m\u00f4 l\u1edbn.<\/p><\/li><li><p style=\"margin: 0px;\">B\u1ea1n y\u00eau c\u1ea7u m\u00f4i tr\u01b0\u1eddng \u0111a ng\u01b0\u1eddi thu\u00ea v\u1edbi h\u00e0ng ngh\u00ecn m\u1ea1ng c\u00e1ch ly.<\/p><\/li><li><p style=\"margin: 0px;\">B\u1ea1n c\u1ea7n kh\u1ea3 n\u0103ng di chuy\u1ec3n t\u1ea3i l\u00e0m vi\u1ec7c li\u1ec1n m\u1ea1ch qua c\u00e1c v\u1ecb tr\u00ed v\u1eadt l\u00fd kh\u00e1c nhau.<\/p><\/li><li><p style=\"margin: 0px;\">B\u1ea1n \u0111ang x\u00e2y d\u1ef1ng ki\u1ebfn tr\u00fac m\u1ea1ng spine-leaf hi\u1ec7n \u0111\u1ea1i.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/data-center-interconnect-definition-benefits-and-role-of-optical-modules\/\"><strong>k\u1ebft n\u1ed1i trung t\u00e2m d\u1eef li\u1ec7u (DCI)<\/strong><\/a><strong> gi\u1ea3i ph\u00e1p<\/strong>, VXLAN cung c\u1ea5p n\u1ec1n t\u1ea3ng c\u1ea7n thi\u1ebft nh\u1eb1m x\u00e2y d\u1ef1ng c\u00e1c m\u1ea1ng linh ho\u1ea1t v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcc4 Nh\u00e2n t\u1ed1 th\u1ea7m l\u1eb7ng: Vai tr\u00f2 c\u1ee7a quang h\u1ecdc t\u1ed1c \u0111\u1ed9 cao trong VXLAN<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t cu\u1ed9c th\u1ea3o lu\u1eadn v\u1ec1 c\u00e1c l\u1edbp ph\u1ee7 m\u1ea1ng hi\u1ec7u n\u0103ng cao nh\u01b0 <strong>VXLAN<\/strong> s\u1ebd ch\u01b0a \u0111\u1ea7y \u0111\u1ee7 n\u1ebfu kh\u00f4ng \u0111\u1ec1 c\u1eadp \u0111\u1ebfn ph\u1ea7n c\u1ee9ng thi\u1ebft y\u1ebfu l\u00e0m n\u00ean t\u1ea5t c\u1ea3 \u0111i\u1ec1u \u0111\u00f3: <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>b\u1ed9 thu ph\u00e1t quang<\/strong><\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c \u0111\u00f3ng g\u00f3i VXLAN th\u00eam 50\u201354 byte d\u1eef li\u1ec7u ph\u1ee5 tr\u1ee3 v\u00e0o m\u1ed7i khung g\u1ed1c. M\u1eb7c d\u00f9 \u0111i\u1ec1u n\u00e0y cho ph\u00e9p kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng tuy\u1ec7t v\u1eddi, nh\u01b0ng c\u0169ng l\u00e0m t\u0103ng b\u0103ng th\u00f4ng th\u00f4 c\u1ea7n thi\u1ebft tr\u00ean c\u00e1c li\u00ean k\u1ebft v\u1eadt l\u00fd. Trong m\u1ed9t m\u00f4i tr\u01b0\u1eddng VXLAN c\u00f3 m\u1eadt \u0111\u1ed9 cao v\u1edbi h\u00e0ng terabit l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp \u0110\u00f4ng\u2013T\u00e2y, c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng v\u1eadt l\u00fd ph\u1ea3i v\u1eefng ch\u1eafc v\u00e0 c\u00f3 \u0111\u1ed9 tr\u1ec5 th\u1ea5p. \u0110\u00e2y ch\u00ednh l\u00e0 l\u00fac <strong>quang h\u1ecdc t\u1ed1c \u0111\u1ed9 cao<\/strong> tr\u1edf n\u00ean b\u1eaft bu\u1ed9c.<br>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Vi\u1ec7c l\u1ef1a ch\u1ecdn b\u1ed9 thu ph\u00e1t ph\u00f9 h\u1ee3p l\u00e0 r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 gi\u1ea3m thi\u1ec3u \u0111\u1ed9 tr\u1ec5 v\u00e0 \u0111\u1ea3m b\u1ea3o t\u00ednh to\u00e0n v\u1eb9n d\u1eef li\u1ec7u.<\/strong> For instance, a <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-27045-100g-qsfp28-sfp-dd.htm\"><strong>100G QSFP28<\/strong><\/a> m\u00f4-\u0111un quang l\u00e0 l\u1ef1a ch\u1ecdn ph\u1ed5 bi\u1ebfn cho c\u00e1c k\u1ebft n\u1ed1i spine-leaf trong l\u1edbp n\u1ec1n VXLAN. Khi ch\u1ecdn m\u00f4-\u0111un, h\u00e3y ch\u00fa \u00fd \u0111\u1ebfn \u0111\u1ed9 tin c\u1eady, m\u1ee9c ti\u00eau th\u1ee5 \u0111i\u1ec7n n\u0103ng th\u1ea5p v\u00e0 kh\u1ea3 n\u0103ng t\u01b0\u01a1ng th\u00edch v\u1edbi ph\u1ea7n c\u1ee9ng m\u1ea1ng c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\ud83d\ude80 M\u1eb9o chuy\u00ean gia<\/strong>: \u0110\u1ec3 \u0111\u1ea1t hi\u1ec7u su\u1ea5t t\u1ed1i \u01b0u trong m\u1ea1ng ch\u1ed3ng ch\u00e9o VXLAN c\u1ee7a b\u1ea1n, h\u00e3y \u0111\u1ea3m b\u1ea3o r\u1eb1ng l\u1edbp v\u1eadt l\u00fd \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng b\u1eb1ng c\u00e1c th\u00e0nh ph\u1ea7n ch\u1ea5t l\u01b0\u1ee3ng cao. M\u1ed9t b\u1ed9 thu ph\u00e1t hi\u1ec7u su\u1ea5t cao nh\u01b0 <strong>LINK-PP <\/strong><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/473115.htm\"><strong>C\u00e1c b\u1ed9 thu ph\u00e1t<\/strong><\/a> cung c\u1ea5p gi\u1ea3i ph\u00e1p \u0111\u00e1ng tin c\u1eady, \u0111\u1ed9 tr\u1ec5 th\u1ea5p cho <strong>li\u00ean k\u1ebft trung t\u00e2m d\u1eef li\u1ec7u 100G<\/strong> , \u0111\u1ea3m b\u1ea3o l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp VXLAN \u0111\u00e3 \u0111\u00f3ng g\u00f3i c\u1ee7a b\u1ea1n l\u01b0u th\u00f4ng tr\u01a1n tru m\u00e0 kh\u00f4ng tr\u1edf th\u00e0nh \u0111i\u1ec3m ngh\u1ebdn. Vi\u1ec7c t\u00edch h\u1ee3p <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.link-pp.com\/\"><strong>LINK-PP<\/strong><\/a> c\u00e1c th\u00e0nh ph\u1ea7n quang h\u1ecdc <strong>c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t ph\u1ea7n then ch\u1ed1t trong t\u1ed5ng th\u1ec3<\/strong> hi\u1ec7n \u0111\u1ea1i.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>t\u1ed1i \u01b0u h\u00f3a c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng m\u1ea1ng<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>VLAN<\/strong> \ud83d\udcc4 K\u1ebft lu\u1eadn: Chu\u1ea9n b\u1ecb cho m\u1ea1ng c\u1ee7a b\u1ea1n s\u1eb5n s\u00e0ng cho t\u01b0\u01a1ng lai <strong>VXLAN<\/strong> v\u1eabn l\u00e0 c\u00f4ng c\u1ee5 m\u1ea1nh m\u1ebd, \u0111\u01a1n gi\u1ea3n v\u00e0 hi\u1ec7u qu\u1ea3 \u0111\u1ed1i v\u1edbi nhi\u1ec1u nhu c\u1ea7u ph\u00e2n \u0111o\u1ea1n m\u1ea1ng. Tuy nhi\u00ean, nh\u1eefng y\u00eau c\u1ea7u v\u1ec1 quy m\u00f4, t\u00ednh linh ho\u1ea1t v\u00e0 t\u00edch h\u1ee3p \u0111\u00e1m m\u00e2y trong k\u1ef7 nguy\u00ean s\u1ed1 \u0111\u00e3 khi\u1ebfn.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0110i\u1ec3m ch\u00ednh:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/vlan-network-segmentation-security-management-basics\/\"><strong>VLAN<\/strong><\/a> tr\u1edf th\u00e0nh ti\u00eau chu\u1ea9n m\u1eb7c \u0111\u1ecbnh cho c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u hi\u1ec7n \u0111\u1ea1i. <strong>l\u00e0 l\u1ef1a ch\u1ecdn h\u00e0ng \u0111\u1ea7u c\u1ee7a b\u1ea1n cho<\/strong>.<\/p><\/li><li><p style=\"margin: 0px;\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/virtual-extensible-lan-scalable-secure-network-virtualization\/\"><strong>VXLAN<\/strong><\/a> vi\u1ec7c ph\u00e2n \u0111o\u1ea1n m\u1ea1ng truy\u1ec1n th\u1ed1ng <strong>l\u00e0 gi\u1ea3i ph\u00e1p cho<\/strong> vi\u1ec7c kh\u1eafc ph\u1ee5c c\u00e1c v\u1ea5n \u0111\u1ec1 v\u1ec1 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng c\u1ee7a VLAN.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">v\u00e0 x\u00e2y d\u1ef1ng c\u00e1c m\u1ea1ng ch\u1ed3ng ch\u00e9o quy m\u00f4 l\u1edbn, linh ho\u1ea1t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcc4 C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQ)<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >B\u1eb1ng c\u00e1ch hi\u1ec3u r\u00f5 \u0111i\u1ec3m m\u1ea1nh v\u00e0 \u0111i\u1ec3m y\u1ebfu c\u1ee7a ch\u00fang, b\u1ea1n c\u00f3 th\u1ec3 ra quy\u1ebft \u0111\u1ecbnh s\u00e1ng su\u1ed1t ph\u00f9 h\u1ee3p v\u1edbi l\u1ed9 tr\u00ecnh t\u0103ng tr\u01b0\u1edfng v\u00e0 ph\u00e1t tri\u1ec3n c\u00f4ng ngh\u1ec7 c\u1ee7a doanh nghi\u1ec7p m\u00ecnh.<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">S\u1ef1 kh\u00e1c bi\u1ec7t ch\u00ednh gi\u1eefa VLAN v\u00e0 VXLAN l\u00e0 g\u00ec?.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >B\u1ea1n s\u1eed d\u1ee5ng VLAN cho c\u00e1c m\u1ea1ng nh\u1ecf, c\u1ee5c b\u1ed9. VXLAN ho\u1ea1t \u0111\u1ed9ng t\u1ed1t nh\u1ea5t cho c\u00e1c m\u1ea1ng quy m\u00f4 l\u1edbn ho\u1eb7c ph\u00e2n t\u00e1n. VLAN gi\u1eef l\u01b0u l\u01b0\u1ee3ng truy c\u1eadp trong m\u1ed9t khu v\u1ef1c duy nh\u1ea5t. VXLAN cho ph\u00e9p b\u1ea1n k\u1ebft n\u1ed1i c\u00e1c thi\u1ebft b\u1ecb \u1edf nhi\u1ec1u v\u1ecb tr\u00ed kh\u00e1c nhau.<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u1ed3ng th\u1eddi VLAN v\u00e0 VXLAN trong c\u00f9ng m\u1ed9t m\u1ea1ng kh\u00f4ng?.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >C\u00f3, b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u1ea3 hai trong c\u00f9ng m\u1ed9t m\u1ea1ng. B\u1ea1n c\u00f3 th\u1ec3 d\u00f9ng VLAN cho c\u00e1c nh\u00f3m c\u1ee5c b\u1ed9 v\u00e0 VXLAN \u0111\u1ec3 k\u1ebft n\u1ed1i c\u00e1c nh\u00f3m \u0111\u00f3 qua c\u00e1c \u0111\u1ecba \u0111i\u1ec3m kh\u00e1c nhau. \u0110i\u1ec1u n\u00e0y mang l\u1ea1i cho b\u1ea1n nhi\u1ec1u ki\u1ec3m so\u00e1t v\u00e0 linh ho\u1ea1t h\u01a1n.<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">VLAN hay VXLAN d\u1ec5 thi\u1ebft l\u1eadp h\u01a1n?.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >B\u1ea1n s\u1ebd th\u1ea5y VLAN d\u1ec5 thi\u1ebft l\u1eadp h\u01a1n. H\u1ea7u h\u1ebft c\u00e1c b\u1ed9 chuy\u1ec3n m\u1ea1ch \u0111\u1ec1u h\u1ed7 tr\u1ee3 VLAN ngay t\u1eeb khi xu\u1ea5t x\u01b0\u1edfng. Vi\u1ec7c thi\u1ebft l\u1eadp VXLAN \u0111\u00f2i h\u1ecfi nhi\u1ec1u k\u1ebf ho\u1ea1ch h\u01a1n v\u00e0 \u0111\u00f4i khi c\u1ea7n ph\u1ea7n c\u1ee9ng ho\u1eb7c ph\u1ea7n m\u1ec1m \u0111\u1eb7c bi\u1ec7t.<\/h3>\n\n\n\n<figure class=\"wp-block-table\">\n<table class=\"has-fixed-layout\">\n<colgroup><col style=\"min-width: 25px;\"\/><col style=\"min-width: 25px;\"\/><\/colgroup><tbody><tr><th colspan=\"1\" rowspan=\"1\"><p>C\u00f4ng ngh\u1ec7<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>S\u1ed1 l\u01b0\u1ee3ng nh\u00f3m<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>VLAN<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>T\u1ed1i \u0111a 4.096<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p>VXLAN<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Tr\u00ean 16 tri\u1ec7u<\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">V\u1edbi VXLAN, b\u1ea1n c\u00f3 nhi\u1ec1u kh\u00f4ng gian h\u01a1n \u0111\u1ec3 m\u1edf r\u1ed9ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >Khi n\u00e0o b\u1ea1n n\u00ean ch\u1ecdn VXLAN thay v\u00ec VLAN?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">H\u00e3y ch\u1ecdn VXLAN n\u1ebfu m\u1ea1ng c\u1ee7a b\u1ea1n c\u1ea7n k\u1ebft n\u1ed1i nhi\u1ec1u \u0111\u1ecba \u0111i\u1ec3m ho\u1eb7c x\u1eed l\u00fd s\u1ed1 l\u01b0\u1ee3ng l\u1edbn thi\u1ebft b\u1ecb. Ch\u1ecdn VLAN cho c\u00e1c c\u1ea5u h\u00ecnh \u0111\u01a1n gi\u1ea3n, c\u1ee5c b\u1ed9. VXLAN mang l\u1ea1i cho b\u1ea1n nhi\u1ec1u l\u1ef1a ch\u1ecdn h\u01a1n \u0111\u1ec3 ph\u00e1t tri\u1ec3n trong t\u01b0\u01a1ng lai.<\/p>","protected":false},"excerpt":{"rendered":"<p>VLAN so v\u1edbi VXLAN: So s\u00e1nh kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng, t\u00ednh linh ho\u1ea1t v\u00e0 chi ph\u00ed \u0111\u1ec3 l\u1ef1a ch\u1ecdn gi\u1ea3i ph\u00e1p ph\u00e2n \u0111o\u1ea1n m\u1ea1ng ph\u00f9 h\u1ee3p nh\u1ea5t cho c\u00e1c h\u1ec7 th\u1ed1ng nh\u1ecf ho\u1eb7c m\u00f4i tr\u01b0\u1eddng quy m\u00f4 l\u1edbn d\u1ef1a tr\u00ean \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y.<\/p>","protected":false},"author":1,"featured_media":4632,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[1],"tags":[13,14,18,24,26],"class_list":["post-4635","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge-center","tag-100g-modules","tag-10g-sfp-transceivers","tag-40g-qsfp-transceivers","tag-link-pp","tag-optics-transceivers"],"blocksy_meta":[],"acf":[],"_links":{"self":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/4635","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=4635"}],"version-history":[{"count":4,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/4635\/revisions"}],"predecessor-version":[{"id":10987,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/4635\/revisions\/10987"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/4632"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=4635"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=4635"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=4635"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}