{"id":4259,"date":"2025-10-20T11:12:00","date_gmt":"2025-10-20T11:12:00","guid":{"rendered":"https:\/\/lp.szlogic.cn\/glossary\/virtual-extensible-lan-scalable-secure-network-virtualization\/"},"modified":"2026-06-22T06:11:18","modified_gmt":"2026-06-22T06:11:18","slug":"virtual-extensible-lan-scalable-secure-network-virtualization","status":"publish","type":"post","link":"https:\/\/resourceslp.szlogic.cn\/vi\/glossary\/virtual-extensible-lan-scalable-secure-network-virtualization","title":{"rendered":"Gi\u1ea3i m\u00e3 VXLAN: N\u1ec1n t\u1ea3ng c\u1ee7a c\u00e1c m\u1ea1ng \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y v\u00e0 trung t\u00e2m d\u1eef li\u1ec7u hi\u1ec7n \u0111\u1ea1i"},"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\/c26c1efe31d546b6b4045c0ae4a16bd8.webp\" alt=\"Virtual Extensible LAN\" class=\"wp-image-4257\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c26c1efe31d546b6b4045c0ae4a16bd8.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c26c1efe31d546b6b4045c0ae4a16bd8-300x178.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c26c1efe31d546b6b4045c0ae4a16bd8-1024x608.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c26c1efe31d546b6b4045c0ae4a16bd8-768x456.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/c26c1efe31d546b6b4045c0ae4a16bd8-18x12.webp 18w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Trong m\u1ed9t k\u1ef7 nguy\u00ean \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a b\u1edfi <strong>\u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y<\/strong>, d\u1eef li\u1ec7u l\u1edbn v\u00e0 kh\u1ea3 n\u0103ng k\u1ebft n\u1ed1i ph\u1ed5 bi\u1ebfn, c\u00e1c ki\u1ebfn tr\u00fac m\u1ea1ng truy\u1ec1n th\u1ed1ng \u0111ang ch\u1ecbu \u00e1p l\u1ef1c qu\u00e1 t\u1ea3i. Gi\u1edbi h\u1ea1n 4096 VLAN v\u00e0 c\u00e1c r\u00e0ng bu\u1ed9c c\u1ee7a c\u00e1c mi\u1ec1n l\u1edbp 2 (Layer 2) gi\u1edd \u0111\u00e2y kh\u00f4ng c\u00f2n \u0111\u1ee7 \u0111\u1ec3 \u0111\u00e1p \u1ee9ng c\u00e1c m\u00f4i tr\u01b0\u1eddng quy m\u00f4 l\u1edbn, \u0111\u1ed9ng v\u00e0 \u0111a ng\u01b0\u1eddi thu\u00ea (multi-tenant). H\u00e3y ch\u00e0o \u0111\u00f3n <strong>VXLAN (M\u1ea1ng LAN m\u1edf r\u1ed9ng \u1ea3o)<\/strong>, m\u1ed9t c\u00f4ng ngh\u1ec7 \u1ea3o h\u00f3a m\u1ea1ng mang t\u00ednh c\u00e1ch m\u1ea1ng, \u0111ang l\u00e0m l\u1ea1i c\u00e1ch ch\u00fang ta 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<p class=\"wp-block-paragraph\">H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n n\u00e0y s\u1ebd gi\u1ea3i th\u00edch chi ti\u1ebft v\u1ec1 <strong>VXLAN l\u00e0 g\u00ec<\/strong>, c\u00e1ch th\u1ee9c ho\u1ea1t \u0111\u1ed9ng, c\u00e1c l\u1ee3i \u00edch then ch\u1ed1t v\u00e0 l\u00fd do vi\u1ec7c l\u1ef1a ch\u1ecdn ph\u1ea7n c\u1ee9ng ph\u00f9 h\u1ee3p\u2014bao g\u1ed3m c\u1ea3 c\u00e1c thi\u1ebft b\u1ecb hi\u1ec7u n\u0103ng cao <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>transceiver quang h\u1ecdc LINK-PP<\/strong><\/a>, \u2014l\u00e0 \u0111i\u1ec1u t\u1ed1i quan tr\u1ecdng \u0111\u1ec3 tri\u1ec3n khai th\u00e0nh c\u00f4ng. C\u00f9ng b\u1eaft \u0111\u1ea7u ngay.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdd Nh\u1eefng \u0111i\u1ec3m c\u1ea7n ghi nh\u1edb ch\u00ednh<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p><strong>VXLAN<\/strong> VXLAN cho ph\u00e9p b\u1ea1n t\u1ea1o m\u1ed9t m\u1ea1ng l\u1edbn v\u1edbi t\u1edbi 16 tri\u1ec7u ph\u00e2n \u0111o\u1ea1n. Con s\u1ed1 n\u00e0y l\u1edbn h\u01a1n nhi\u1ec1u so v\u1edbi 4096 ph\u00e2n \u0111o\u1ea1n trong VLAN th\u00f4ng th\u01b0\u1eddng. \u0110i\u1ec1u n\u00e0y gi\u00fap trung t\u00e2m d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n d\u1ec5 d\u00e0ng m\u1edf r\u1ed9ng.<\/p><\/li><li><p>V\u1edbi VXLAN, b\u1ea1n c\u00f3 th\u1ec3 k\u1ebft n\u1ed1i c\u00e1c thi\u1ebft b\u1ecb \u1edf c\u00e1c trung t\u00e2m d\u1eef li\u1ec7u kh\u00e1c nhau m\u00e0 kh\u00f4ng c\u1ea7n thay \u0111\u1ed5i m\u1ea1ng hi\u1ec7n t\u1ea1i. \u0110i\u1ec1u n\u00e0y \u0111\u1ea3m b\u1ea3o d\u1ecbch v\u1ee5 c\u1ee7a b\u1ea1n ti\u1ebfp t\u1ee5c ho\u1ea1t \u0111\u1ed9ng ngay c\u1ea3 khi x\u1ea3y ra s\u1ef1 c\u1ed1.<\/p><\/li><li><p>M\u1ed7i m\u1ea1ng \u1ea3o trong VXLAN \u0111\u1ec1u c\u00f3 m\u1ed9t \u0111\u1ecbnh danh ri\u00eang. \u0110i\u1ec1u n\u00e0y gi\u00fap d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c t\u00e1ch bi\u1ec7t v\u00e0 an to\u00e0n. B\u1ea1n c\u00f3 th\u1ec3 qu\u1ea3n l\u00fd nhi\u1ec1u nh\u00f3m ho\u1eb7c kh\u00e1ch h\u00e0ng trong c\u00f9ng m\u1ed9t h\u1ec7 th\u1ed1ng m\u00e0 kh\u00f4ng lo l\u1eafng.<\/p><\/li><li><p>VXLAN cho ph\u00e9p b\u1ea1n thi\u1ebft l\u1eadp m\u1ea1ng m\u1ed9t c\u00e1ch nhanh ch\u00f3ng. B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u1ea5u h\u00ecnh d\u1ef1a tr\u00ean m\u00e1y ch\u1ee7 (host-based), d\u1ef1a tr\u00ean c\u1ed5ng chuy\u1ec3n m\u1ea1ch (gateway-based) ho\u1eb7c c\u1ea5u h\u00ecnh lai (hybrid). H\u00e3y ch\u1ecdn ph\u01b0\u01a1ng \u00e1n ph\u00f9 h\u1ee3p nh\u1ea5t v\u1edbi trung t\u00e2m d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n.<\/p><\/li><li><p>B\u1ea1n c\u1ea7n l\u1eadp k\u1ebf ho\u1ea1ch k\u1ef9 l\u01b0\u1ee1ng \u0111\u1ec3 VXLAN ho\u1ea1t \u0111\u1ed9ng \u0111\u00fang c\u00e1ch. \u0110\u1ea3m b\u1ea3o ph\u1ea7n c\u1ee9ng c\u1ee7a b\u1ea1n t\u01b0\u01a1ng th\u00edch v\u1edbi VXLAN. Ki\u1ec3m tra m\u1ea1ng tr\u01b0\u1edbc khi tri\u1ec3n khai nh\u1eb1m ng\u0103n ch\u1eb7n s\u1ef1 c\u1ed1.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdd VXLAN l\u00e0 g\u00ec? T\u1ed5ng quan c\u1ea5p cao<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>VXLAN<\/strong>, or <strong>M\u1ea1ng LAN m\u1edf r\u1ed9ng \u1ea3o (Virtual Extensible LAN)<\/strong>, l\u00e0 m\u1ed9t giao th\u1ee9c bao b\u1ecdc (encapsulation) cho ph\u00e9p b\u1ea1n t\u1ea1o c\u00e1c m\u1ea1ng ch\u1ed3ng (overlay networks). H\u00e3y h\u00ecnh dung n\u00f3 nh\u01b0 m\u1ed9t \u201cm\u1ea1ng trong m\u1ea1ng\u201d. VXLAN ch\u1ea1y tr\u00ean m\u1ea1ng IP v\u1eadt l\u00fd hi\u1ec7n c\u00f3 (g\u1ecdi l\u00e0 underlay), nh\u01b0ng t\u1ea1o ra c\u00e1c ph\u00e2n \u0111o\u1ea1n l\u1edbp 2 (Layer 2) logic v\u00e0 c\u00f4 l\u1eadp, c\u00f3 th\u1ec3 v\u01b0\u1ee3t qua c\u00e1c ranh gi\u1edbi v\u1eadt l\u00fd \u2014 th\u1eadm ch\u00ed tr\u00ean kho\u1ea3ng c\u00e1ch \u0111\u1ecba l\u00fd r\u1ea5t xa.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ee5c ti\u00eau ch\u00ednh? V\u01b0\u1ee3t qua c\u00e1c gi\u1edbi h\u1ea1n v\u1ec1 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng c\u1ee7a VLAN truy\u1ec1n th\u1ed1ng. Trong khi VLAN s\u1eed d\u1ee5ng \u0111\u1ecbnh danh 12 bit, gi\u1edbi h\u1ea1n b\u1ea1n \u1edf kho\u1ea3ng 4094 m\u1ea1ng ri\u00eang bi\u1ec7t, th\u00ec VXLAN s\u1eed d\u1ee5ng m\u1ed9t <strong>\u0110\u1ecbnh danh m\u1ea1ng VXLAN (VNI) 24 bit<\/strong>. \u0110i\u1ec1u n\u00e0y t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi con s\u1ed1 \u0111\u00e1ng kinh ng\u1ea1c l\u00e0 <strong>16 tri\u1ec7u<\/strong> ph\u00e2n \u0111o\u1ea1n ri\u00eang bi\u1ec7t! Quy m\u00f4 kh\u1ed5ng l\u1ed3 n\u00e0y l\u00e0 y\u1ebfu t\u1ed1 thi\u1ebft y\u1ebfu \u0111\u1ed1i v\u1edbi c\u00e1c nh\u00e0 cung c\u1ea5p \u0111\u00e1m m\u00e2y hi\u1ec7n \u0111\u1ea1i v\u00e0 c\u00e1c t\u1eadp \u0111o\u00e0n l\u1edbn.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdd VXLAN ho\u1ea1t \u0111\u1ed9ng nh\u01b0 th\u1ebf n\u00e0o? B\u00ed m\u1eadt c\u1ee7a k\u1ef9 thu\u1eadt bao b\u1ecdc (encapsulation)<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">L\u00f5i ch\u1ee9c n\u0103ng c\u1ee7a <strong>VXLAN<\/strong>\u2018n\u1eb1m \u1edf k\u1ef9 thu\u1eadt bao b\u1ecdc. N\u00f3 l\u1ea5y m\u1ed9t khung Ethernet l\u1edbp 2 (Layer 2) g\u1ed1c, bao b\u1ecdc to\u00e0n b\u1ed9 khung n\u00e0y b\u1eb1ng ti\u00eau \u0111\u1ec1 VXLAN, r\u1ed3i \u0111\u1eb7t g\u00f3i d\u1eef li\u1ec7u m\u1edbi n\u00e0y b\u00ean trong m\u1ed9t g\u00f3i UDP-IP chu\u1ea9n. G\u00f3i d\u1eef li\u1ec7u m\u1edbi n\u00e0y sau \u0111\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u1ecbnh tuy\u1ebfn qua m\u1ea1ng IP c\u1ee7a b\u1ea1n nh\u01b0 b\u1ea5t k\u1ef3 g\u00f3i IP n\u00e0o kh\u00e1c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00e1c th\u00e0nh ph\u1ea7n then ch\u1ed1t trong m\u1ed9t c\u1ea5u h\u00ecnh VXLAN bao g\u1ed3m:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>VTEP (\u0110i\u1ec3m cu\u1ed1i \u0111\u01b0\u1eddng h\u1ea7m VXLAN \u2013 VXLAN Tunnel Endpoint):<\/strong> \u0110\u00e2y l\u00e0 nh\u00e2n t\u1ed1 ch\u1ee7 ch\u1ed1t. VTEP l\u00e0 thi\u1ebft b\u1ecb th\u1ef1c hi\u1ec7n vi\u1ec7c bao b\u1ecdc v\u00e0 gi\u1ea3i bao b\u1ecdc. VTEP c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t switch v\u1eadt l\u00fd, m\u1ed9t vSwitch tr\u00ean n\u1ec1n t\u1ea3ng \u1ea3o h\u00f3a (hypervisor) ho\u1eb7c m\u1ed9t b\u1ed9 \u0111\u1ecbnh tuy\u1ebfn. M\u1ed7i VTEP c\u00f3 hai giao di\u1ec7n: m\u1ed9t giao di\u1ec7n IP trong m\u1ea1ng underlay v\u00e0 m\u1ed9t giao di\u1ec7n logic v\u00e0o m\u1ea1ng ch\u1ed3ng (overlay) VXLAN.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>VNI (\u0110\u1ecbnh danh m\u1ea1ng VXLAN \u2013 VXLAN Network Identifier):<\/strong> \u0110\u1ecbnh danh ph\u00e2n \u0111o\u1ea1n 24 bit d\u00f9ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh m\u1ea1ng ch\u1ed3ng c\u1ee5 th\u1ec3.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>M\u1ea1ng underlay:<\/strong> C\u01a1 s\u1edf h\u1ea1 t\u1ea7ng IP v\u1eadt l\u00fd (th\u01b0\u1eddng l\u00e0 ki\u1ebfn tr\u00fac spine-leaf) ch\u1ecbu tr\u00e1ch nhi\u1ec7m v\u1eadn chuy\u1ec3n c\u00e1c g\u00f3i VXLAN \u0111\u00e3 \u0111\u01b0\u1ee3c bao b\u1ecdc.<\/p><\/li>\n<\/ul>\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\/90ecaaf3676d440f831d5665590b3a06.webp\" alt=\"VXLAN\" class=\"wp-image-4258\" srcset=\"https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/90ecaaf3676d440f831d5665590b3a06.webp 1200w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/90ecaaf3676d440f831d5665590b3a06-300x246.webp 300w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/90ecaaf3676d440f831d5665590b3a06-1024x841.webp 1024w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/90ecaaf3676d440f831d5665590b3a06-768x630.webp 768w, https:\/\/resourceslp.szlogic.cn\/wp-content\/uploads\/2026\/05\/90ecaaf3676d440f831d5665590b3a06-15x12.webp 15w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">D\u01b0\u1edbi \u0111\u00e2y l\u00e0 quy tr\u00ecnh \u0111\u01a1n gi\u1ea3n t\u1eebng b\u01b0\u1edbc:<\/p>\n\n\n\n<ol class=\"wp-block-list\" >\n<li><p style=\"margin: 0px;\"><strong>Ph\u00e1t sinh khung d\u1eef li\u1ec7u (Frame Origination):<\/strong> M\u1ed9t m\u00e1y \u1ea3o g\u1eedi m\u1ed9t khung Ethernet chu\u1ea9n \u0111\u1ebfn m\u1ed9t m\u00e1y \u1ea3o kh\u00e1c trong c\u00f9ng ph\u00e2n \u0111o\u1ea1n VXLAN nh\u01b0ng tr\u00ean m\u1ed9t m\u00e1y ch\u1ee7 v\u1eadt l\u00fd kh\u00e1c.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Bao b\u1ecdc (Encapsulation):<\/strong> VTEP ngu\u1ed3n bao b\u1ecdc to\u00e0n b\u1ed9 khung l\u1edbp 2 b\u1eb1ng ti\u00eau \u0111\u1ec1 VXLAN (ch\u1ee9a VNI) v\u00e0 ti\u00eau \u0111\u1ec1 UDP-IP. \u0110\u1ecba ch\u1ec9 IP ngu\u1ed3n v\u00e0 \u0111\u00edch trong g\u00f3i d\u1eef li\u1ec7u m\u1edbi n\u00e0y l\u00e0 \u0111\u1ecba ch\u1ec9 IP c\u1ee7a c\u00e1c VTEP t\u01b0\u01a1ng \u1ee9ng.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>V\u1eadn chuy\u1ec3n (Transport):<\/strong> G\u00f3i UDP m\u1edbi \u0111\u01b0\u1ee3c t\u1ea1o ra n\u00e0y \u0111\u01b0\u1ee3c \u0111\u1ecbnh tuy\u1ebfn qua m\u1ea1ng underlay IP.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Gi\u1ea3i bao b\u1ecdc (De-encapsulation):<\/strong> VTEP \u0111\u00edch nh\u1eadn g\u00f3i d\u1eef li\u1ec7u, lo\u1ea1i b\u1ecf ti\u00eau \u0111\u1ec1 UDP-IP v\u00e0 ti\u00eau \u0111\u1ec1 VXLAN, sau \u0111\u00f3 chuy\u1ec3n khung Ethernet g\u1ed1c \u0111\u1ebfn m\u00e1y \u1ea3o \u0111\u00edch.<\/p><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Quy tr\u00ecnh n\u00e0y cho ph\u00e9p k\u1ebft n\u1ed1i l\u1edbp 2 \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng tr\u00ean m\u1ed9t m\u1ea1ng l\u1edbp 3, khi\u1ebfn c\u1ea5u tr\u00fac n\u1ec1n tr\u1edf n\u00ean kh\u00f4ng quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c m\u00e1y \u1ea3o.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdd So s\u00e1nh VXLAN v\u00e0 VLAN: So s\u00e1nh tr\u1ef1c ti\u1ebfp<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">V\u00ec sao n\u00ean chuy\u1ec3n t\u1eeb VLAN \u2014 m\u1ed9t c\u00f4ng ngh\u1ec7 \u0111\u00e3 \u0111\u01b0\u1ee3c thi\u1ebft l\u1eadp v\u1eefng ch\u1eafc? B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y n\u00eau b\u1eadt nh\u1eefng kh\u00e1c bi\u1ec7t then ch\u1ed1t khi\u1ebfn VXLAN tr\u1edf th\u00e0nh l\u1ef1a ch\u1ecdn v\u01b0\u1ee3t tr\u1ed9i cho c\u00e1c m\u00f4i tr\u01b0\u1eddng quy m\u00f4 l\u1edbn v\u00e0 \u0111\u1ed9ng.<\/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 truy\u1ec1n th\u1ed1ng<\/p><\/th><th colspan=\"1\" rowspan=\"1\"><p>VXLAN (M\u1ea1ng ch\u1ed3ng \u2013 Overlay Network)<\/p><\/th><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Gi\u1edbi h\u1ea1n quy m\u00f4<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Kho\u1ea3ng 4094 VLAN<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Kho\u1ea3ng 16 tri\u1ec7u VNI<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Giao th\u1ee9c C\u00e2y khung lan t\u1ecfa (Spanning Tree Protocol \u2013 STP)<\/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 l\u1edbp 3 hi\u1ec7u qu\u1ea3 trong m\u1ea1ng underlay<\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>Ph\u1ea1m vi m\u1ea1ng<br><\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Gi\u1edbi h\u1ea1n trong m\u1ed9t mi\u1ec1n l\u1edbp 2 duy nh\u1ea5t<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>C\u00f3 th\u1ec3 m\u1edf r\u1ed9ng qua c\u00e1c ranh gi\u1edbi l\u1edbp 3, r\u1ea5t ph\u00f9 h\u1ee3p cho <strong>k\u1ebft n\u1ed1i trung t\u00e2m d\u1eef li\u1ec7u \u0111a \u0111\u1ecba \u0111i\u1ec3m<\/strong><\/p><\/td><\/tr><tr><td colspan=\"1\" rowspan=\"1\"><p><strong>b\u1ea3ng \u0111\u1ecba ch\u1ec9 MAC<\/strong><\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ti\u00eau t\u1ed1n t\u00e0i nguy\u00ean tr\u00ean t\u1ea5t c\u1ea3 c\u00e1c switch trong VLAN<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Ch\u1ec9 gi\u1edbi h\u1ea1n trong c\u00e1c VTEP; gi\u1ea3m g\u00e1nh n\u1eb7ng l\u00ean ph\u1ea7n c\u1ee9ng v\u1eadt l\u00fd<\/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>Doanh nghi\u1ec7p nh\u1ecf v\u00e0 v\u1eeba, m\u1ea1ng t\u0129nh<\/p><\/td><td colspan=\"1\" rowspan=\"1\"><p>Trung t\u00e2m d\u1eef li\u1ec7u quy m\u00f4 l\u1edbn, m\u00f4i tr\u01b0\u1eddng \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y, <strong>\u1ea3o h\u00f3a m\u1ea1ng cho m\u00f4 h\u00ecnh \u0111a ng\u01b0\u1eddi thu\u00ea (multi-tenancy)<\/strong><\/p><\/td><\/tr><\/tbody>\n<\/table>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdd C\u00e1c l\u1ee3i \u00edch then ch\u1ed1t v\u00e0 l\u00fd do VXLAN l\u00e0 m\u1ed9t b\u01b0\u1edbc \u0111\u1ed9t ph\u00e1<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c \u00e1p d\u1ee5ng VXLAN mang l\u1ea1i nh\u1eefng l\u1ee3i th\u1ebf mang t\u00ednh chuy\u1ec3n \u0111\u1ed5i cho c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng m\u1ea1ng c\u1ee7a b\u1ea1n:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><strong>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng kh\u1ed5ng l\u1ed3:<\/strong> V\u1edbi 16 tri\u1ec7u ph\u00e2n \u0111o\u1ea1n, b\u1ea1n c\u00f3 th\u1ec3 t\u1ef1 tin h\u1ed7 tr\u1ee3 m\u00f4 h\u00ecnh \u0111a ng\u01b0\u1eddi thu\u00ea quy m\u00f4 l\u1edbn m\u00e0 kh\u00f4ng lo c\u1ea1n ki\u1ec7t \u0111\u1ecbnh danh.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>\u0110\u1eb7t v\u1ecb tr\u00ed kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c t\u1ed1i \u01b0u:<\/strong> T\u00e1ch r\u1eddi m\u1ea1ng logic kh\u1ecfi m\u1ea1ng v\u1eadt l\u00fd. B\u1ea1n c\u00f3 th\u1ec3 \u0111\u1eb7t m\u00e1y \u1ea3o \u1edf b\u1ea5t k\u1ef3 \u0111\u00e2u trong trung t\u00e2m d\u1eef li\u1ec7u, t\u1eeb \u0111\u00f3 cho ph\u00e9p di chuy\u1ec3n linh ho\u1ea1t kh\u1ed1i l\u01b0\u1ee3ng c\u00f4ng vi\u1ec7c v\u00e0 s\u1eed d\u1ee5ng t\u00e0i nguy\u00ean hi\u1ec7u qu\u1ea3.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Vi\u1ec7c s\u1eed d\u1ee5ng m\u1ea1ng \u0111\u01b0\u1ee3c n\u00e2ng cao:<\/strong> B\u1eb1ng c\u00e1ch t\u1eadn d\u1ee5ng l\u1edbp n\u1ec1n Layer 3 (v\u00ed d\u1ee5 nh\u01b0 m\u1ea1ng Clos), b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng t\u1ea5t c\u1ea3 c\u00e1c \u0111\u01b0\u1eddng d\u1eabn kh\u1ea3 d\u1ee5ng, lo\u1ea1i b\u1ecf nh\u1eefng thi\u1ebfu s\u00f3t v\u1ec1 hi\u1ec7u qu\u1ea3 c\u1ee7a Giao th\u1ee9c C\u00e2y Khung (Spanning Tree Protocol).<\/p><\/li><li><p style=\"margin: 0px;\"><strong>B\u1ea3o m\u1eadt v\u00e0 ph\u00e2n t\u00e1ch \u0111\u01b0\u1ee3c c\u1ea3i thi\u1ec7n:<\/strong> M\u1ed7i VNI cung c\u1ea5p kh\u1ea3 n\u0103ng ph\u00e2n t\u00e1ch m\u1ea1nh m\u1ebd, t\u01b0\u01a1ng t\u1ef1 nh\u01b0 VLAN nh\u01b0ng \u1edf quy m\u00f4 l\u1edbn h\u01a1n nhi\u1ec1u \u2014 \u0111i\u1ec1u n\u00e0y r\u1ea5t ph\u00f9 h\u1ee3p \u0111\u1ec3 b\u1ea3o v\u1ec7 m\u00f4i tr\u01b0\u1eddng ng\u01b0\u1eddi thu\u00ea trong c\u00e1c tri\u1ec3n khai \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y.<\/p><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdd Vai tr\u00f2 c\u1ee7a b\u1ed9 thu ph\u00e1t quang trong m\u1ed9t c\u1ea5u tr\u00fac VXLAN hi\u1ec7u n\u0103ng cao<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">M\u1ed9t <strong>VXLAN<\/strong> L\u1edbp ph\u1ee7 (overlay) ch\u1ec9 m\u1ea1nh ngang v\u1edbi l\u1edbp n\u1ec1n (underlay) c\u1ee7a n\u00f3. M\u1ea1ng l\u1edbp n\u1ec1n \u0111\u00f2i h\u1ecfi b\u0103ng th\u00f4ng cao, \u0111\u1ed9 tr\u1ec5 th\u1ea5p v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ef1c cao \u0111\u1ec3 x\u1eed l\u00fd ph\u1ea7n t\u1ea3i b\u1ed5 sung do vi\u1ec7c bao b\u1ecdc (encapsulation) g\u00e2y ra m\u00e0 kh\u00f4ng tr\u1edf th\u00e0nh \u0111i\u1ec3m ngh\u1ebdn. \u0110\u00e2y l\u00e0 l\u00fac c\u00e1c b\u1ed9 thu ph\u00e1t quang ch\u1ea5t l\u01b0\u1ee3ng cao ph\u00e1t huy vai tr\u00f2. <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> tr\u1edf n\u00ean then ch\u1ed1t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ed9 thu ph\u00e1t quang l\u00e0 nh\u1eefng th\u00e0nh ph\u1ea7n ch\u1ee7 l\u1ef1c chuy\u1ec3n \u0111\u1ed5i t\u00edn hi\u1ec7u \u0111i\u1ec7n sang \u00e1nh s\u00e1ng v\u00e0 ng\u01b0\u1ee3c l\u1ea1i, h\u1ed7 tr\u1ee3 vi\u1ec7c truy\u1ec1n d\u1eef li\u1ec7u t\u1ed1c \u0111\u1ed9 cao qua <a target=\"_blank\" rel=\"\" href=\"https:\/\/resourceslp.szlogic.cn\/vi\/knowledge-center\/fiber-optic-cable-what-it-is-and-how-it-works-explained\/\"><strong>c\u00e1p quang<\/strong><\/a>. Trong m\u1ed9t ki\u1ebfn tr\u00fac spine-leaf d\u00e0y \u0111\u1eb7c \u0111ang ch\u1ea1y <strong>VXLAN<\/strong>, c\u00e1c li\u00ean k\u1ebft gi\u1eefa c\u00e1c switch (ISLs) mang m\u1ed9t l\u01b0\u1ee3ng l\u1edbn l\u01b0u l\u01b0\u1ee3ng \u0111\u01b0\u1ee3c bao b\u1ecdc. Vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c b\u1ed9 thu ph\u00e1t quang k\u00e9m ch\u1ea5t l\u01b0\u1ee3ng c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn m\u1ea5t g\u00f3i, t\u0103ng \u0111\u1ed9 tr\u1ec5 v\u00e0 \u0111\u1ed9 bi\u1ebfn thi\u00ean \u0111\u1ed9 tr\u1ec5 (jitter), l\u00e0m suy gi\u1ea3m nghi\u00eam tr\u1ecdng hi\u1ec7u n\u0103ng c\u1ee7a c\u00e1c m\u1ea1ng l\u1edbp ph\u1ee7 (overlay networks).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 tri\u1ec3n khai <strong>H\u01b0\u1edbng d\u1eabn tri\u1ec3n khai VXLAN<\/strong> li\u1ec1n m\u1ea1ch v\u00e0 \u0111\u1ea1t hi\u1ec7u n\u0103ng t\u1ed1i \u01b0u, \u0111i\u1ec1u thi\u1ebft y\u1ebfu l\u00e0 ph\u1ea3i h\u1ee3p t\u00e1c v\u1edbi nh\u00e0 cung c\u1ea5p ph\u1ea7n c\u1ee9ng \u0111\u00e1ng tin c\u1eady. <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/store-25432-optics-transceivers-sfp-modules.htm\"><strong>LINK-PP<\/strong><\/a> cung c\u1ea5p lo\u1ea1t b\u1ed9 thu ph\u00e1t quang t\u01b0\u01a1ng th\u00edch, hi\u1ec7u n\u0103ng cao, \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf ri\u00eang cho c\u00e1c m\u00f4i tr\u01b0\u1eddng kh\u1eaft khe nh\u01b0 v\u1eady. M\u1ed9t l\u1ef1a ch\u1ecdn ho\u00e0n h\u1ea3o cho c\u00e1c k\u1ebft n\u1ed1i spine-leaf 25G ho\u1eb7c 100G trong trung t\u00e2m d\u1eef li\u1ec7u hi\u1ec7n \u0111\u1ea1i l\u00e0 <strong>LINK-PP SFP28-25G-LR<\/strong> and <strong>LI\u00caN K\u1ebeT-PP QSFP28-100G-LR4<\/strong> hay \u0111\u01a1n mode (SMF).<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><p style=\"margin: 0px;\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/476046.htm\"><strong>LINK-PP SFP28-25G-LR<\/strong><\/a><strong>:<\/strong> L\u00fd t\u01b0\u1edfng cho c\u00e1c k\u1ebft n\u1ed1i Ethernet 25 Gigabit, cung c\u1ea5p t\u1ea7m xa l\u00ean t\u1edbi 10 km v\u1edbi m\u1ee9c ti\u00eau th\u1ee5 \u0111i\u1ec7n th\u1ea5p v\u00e0 \u0111\u1ed9 \u1ed5n \u0111\u1ecbnh v\u01b0\u1ee3t tr\u1ed9i.<\/p><\/li><li><p style=\"margin: 0px;\"><a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/products\/472118.htm\"><strong>LI\u00caN K\u1ebeT-PP QSFP28-100G-LR4<\/strong><\/a><strong>:<\/strong> M\u1ed9t b\u1ed9 thu ph\u00e1t quang 100GbE m\u1eadt \u0111\u1ed9 cao h\u1ed7 tr\u1ee3 c\u00e1c li\u00ean k\u1ebft l\u00ean t\u1edbi 10 km, r\u1ea5t ph\u00f9 h\u1ee3p cho c\u00e1c li\u00ean k\u1ebft spine l\u00f5i nh\u1eb1m t\u1eadp h\u1ee3p l\u01b0u l\u01b0\u1ee3ng t\u1eeb h\u00e0ng tr\u0103m VTEP.<\/p><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c t\u00edch h\u1ee3p <strong>LINK-PP<\/strong> C\u00e1c b\u1ed9 thu ph\u00e1t quang \u0111\u1ea3m b\u1ea3o l\u1edbp n\u1ec1n VXLAN c\u1ee7a b\u1ea1n c\u00f3 th\u00f4ng l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 tin c\u1eady c\u1ea7n thi\u1ebft, t\u1ea1o n\u00ean n\u1ec1n t\u1ea3ng v\u1eefng ch\u1eafc cho c\u00e1c l\u1edbp ph\u1ee7 m\u1ea1ng \u1ea3o h\u00f3a. Khi l\u1eadp k\u1ebf ho\u1ea1ch cho <strong>Ki\u1ebfn tr\u00fac m\u1ea1ng trung t\u00e2m d\u1eef li\u1ec7u<\/strong>, \u0111\u1eebng bao gi\u1edd \u0111\u00e1nh gi\u00e1 th\u1ea5p t\u1ea7m quan tr\u1ecdng c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n quang h\u1ecdc ch\u1ea5t l\u01b0\u1ee3ng cao.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdd B\u1eaft \u0111\u1ea7u v\u1edbi VXLAN: Nh\u1eefng y\u1ebfu t\u1ed1 c\u1ea7n c\u00e2n nh\u1eafc<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Vi\u1ec7c tri\u1ec3n khai VXLAN c\u00f3 th\u1ec3 tr\u00f4ng kh\u00e1 daunting, nh\u01b0ng b\u1ea1n c\u00f3 th\u1ec3 chia nh\u1ecf n\u00f3 th\u00e0nh c\u00e1c b\u01b0\u1edbc d\u1ec5 qu\u1ea3n l\u00fd:<\/p>\n\n\n\n<ol class=\"wp-block-list\" >\n<li><p style=\"margin: 0px;\"><strong>Thi\u1ebft k\u1ebf m\u1ed9t l\u1edbp n\u1ec1n b\u1ec1n v\u1eefng:<\/strong> X\u00e2y d\u1ef1ng m\u1ed9t c\u1ea5u tr\u00fac IP (fabric) c\u00f3 t\u00ednh s\u1eb5n s\u00e0ng cao v\u00e0 \u0111\u1ed9 tr\u1ec5 th\u1ea5p (th\u01b0\u1eddng l\u00e0 ki\u1ebfn tr\u00fac spine-leaf).<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Ch\u1ecdn m\u1eb7t ph\u1eb3ng \u0111i\u1ec1u khi\u1ec3n c\u1ee7a b\u1ea1n:<\/strong> Quy\u1ebft \u0111\u1ecbnh gi\u1eefa c\u1ea5u h\u00ecnh th\u1ee7 c\u00f4ng (kh\u00f4ng hi\u1ec7u qu\u1ea3 khi m\u1edf r\u1ed9ng quy m\u00f4) ho\u1eb7c m\u1eb7t ph\u1eb3ng \u0111i\u1ec1u khi\u1ec3n \u0111\u1ed9ng nh\u01b0 EVPN (Ethernet VPN), v\u1ed1n l\u00e0 th\u1ef1c ti\u1ec5n t\u1ed1t nh\u1ea5t c\u1ee7a ng\u00e0nh \u0111\u1ec3 t\u1ef1 \u0111\u1ed9ng h\u00f3a vi\u1ec7c tri\u1ec3n khai VXLAN.<\/p><\/li><li><p style=\"margin: 0px;\"><strong>Ch\u1ecdn ph\u1ea7n c\u1ee9ng t\u01b0\u01a1ng th\u00edch:<\/strong> \u0110\u1ea3m b\u1ea3o c\u00e1c switch, router v\u00e0 hypervisor c\u1ee7a b\u1ea1n h\u1ed7 tr\u1ee3 VXLAN v\u00e0 c\u00f3 \u0111\u1ee7 s\u1ee9c m\u1ea1nh x\u1eed l\u00fd cho c\u00e1c nhi\u1ec7m v\u1ee5 bao b\u1ecdc (encapsulation). \u0110\u1eebng qu\u00ean t\u00ecm ngu\u1ed3n cung c\u1ea5p c\u00e1c th\u00e0nh ph\u1ea7n quang h\u1ecdc \u0111\u00e1ng tin c\u1eady t\u1eeb c\u00e1c nh\u00e0 cung c\u1ea5p uy t\u00edn nh\u01b0 <a target=\"_blank\" rel=\"\" href=\"https:\/\/www.l-p.com\/page\/aboutus.htm\"><strong>LINK-PP<\/strong><\/a>.<\/p><\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdd K\u1ebft lu\u1eadn: T\u01b0\u01a1ng lai h\u00f3a m\u1ea1ng c\u1ee7a b\u1ea1n v\u1edbi VXLAN<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>VXLAN<\/strong> VXLAN kh\u00f4ng c\u00f2n l\u00e0 c\u00f4ng ngh\u1ec7 chuy\u00ean bi\u1ec7t n\u1eefa; thay v\u00e0o \u0111\u00f3, n\u00f3 l\u00e0 n\u1ec1n t\u1ea3ng cho th\u1ebf h\u1ec7 m\u1ea1ng ti\u1ebfp theo \u2014 linh ho\u1ea1t, m\u1edf r\u1ed9ng quy m\u00f4 v\u00e0 an to\u00e0n. B\u1eb1ng c\u00e1ch t\u00e1ch r\u1eddi t\u1ea7ng d\u1ecbch v\u1ee5 m\u1ea1ng kh\u1ecfi c\u01a1 s\u1edf h\u1ea1 t\u1ea7ng v\u1eadt l\u00fd, VXLAN mang l\u1ea1i s\u1ef1 linh ho\u1ea1t ch\u01b0a t\u1eebng c\u00f3 cho c\u00e1c k\u1ecbch b\u1ea3n \u0111i\u1ec7n to\u00e1n \u0111\u00e1m m\u00e2y, trung t\u00e2m d\u1eef li\u1ec7u v\u00e0 th\u1eadm ch\u00ed c\u1ea3 m\u1ea1ng WAN doanh nghi\u1ec7p.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Hi\u1ec3u r\u00f5 <strong>C\u00e1c l\u1ee3i \u00edch c\u1ee7a VXLAN so v\u1edbi m\u1ea1ng truy\u1ec1n th\u1ed1ng<\/strong> l\u00e0 b\u01b0\u1edbc \u0111\u1ea7u ti\u00ean. B\u01b0\u1edbc ti\u1ebfp theo l\u00e0 x\u00e2y d\u1ef1ng m\u1ed9t n\u1ec1n t\u1ea3ng hi\u1ec7u n\u0103ng cao \u0111\u1ec3 h\u1ed7 tr\u1ee3 n\u00f3.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" ><strong>\ud83d\udcdd FAQ<\/strong><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" >\u0110i\u1ec3m cu\u1ed1i \u0111\u01b0\u1eddng h\u1ea7m VXLAN (VTEP) l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">VTEP l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb ho\u1eb7c ph\u1ea7n m\u1ec1m bao b\u1ecdc d\u1eef li\u1ec7u m\u1ea1ng c\u1ee7a b\u1ea1n trong c\u00e1c g\u00f3i tin VXLAN. B\u1ea1n s\u1eed d\u1ee5ng VTEP \u0111\u1ec3 g\u1eedi v\u00e0 nh\u1eadn l\u01b0u l\u01b0\u1ee3ng gi\u1eefa c\u00e1c ph\u1ea7n kh\u00e1c nhau c\u1ee7a m\u1ea1ng \u1ea3o.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >\u0110i\u1ec1u g\u00ec khi\u1ebfn VXLAN v\u01b0\u1ee3t tr\u1ed9i h\u01a1n VLAN \u0111\u1ed1i v\u1edbi c\u00e1c m\u1ea1ng quy m\u00f4 l\u1edbn?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">VXLAN cho ph\u00e9p b\u1ea1n t\u1ea1o ra h\u00e0ng tri\u1ec7u ph\u00e2n \u0111o\u1ea1n. B\u1ea1n c\u00f3 th\u1ec3 m\u1edf r\u1ed9ng m\u1ea1ng c\u1ee7a m\u00ecnh l\u1edbn h\u01a1n nhi\u1ec1u so v\u1edbi VLAN. B\u1ea1n c\u0169ng gi\u1eef c\u00e1c nh\u00f3m v\u00e0 d\u1eef li\u1ec7u kh\u00e1c nhau t\u00e1ch bi\u1ec7t.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >B\u1ea1n c\u1ea7n nh\u1eefng g\u00ec \u0111\u1ec3 thi\u1ebft l\u1eadp VXLAN trong trung t\u00e2m d\u1eef li\u1ec7u c\u1ee7a m\u00ecnh?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea1n c\u1ea7n c\u00e1c switch ho\u1eb7c m\u00e1y ch\u1ee7 h\u1ed7 tr\u1ee3 VXLAN. B\u1ea1n c\u0169ng c\u1ea7n m\u1ed9t k\u1ebf ho\u1ea1ch cho c\u00e1c l\u1edbp ph\u1ee7 v\u00e0 VTEP. H\u00e3y ki\u1ec3m tra thi\u1ebft l\u1eadp c\u1ee7a b\u1ea1n tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng cho c\u00e1c c\u00f4ng vi\u1ec7c quan tr\u1ecdng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" >B\u1ea1n c\u00f3 th\u1ec3 g\u1eb7p nh\u1eefng v\u1ea5n \u0111\u1ec1 n\u00e0o khi s\u1eed d\u1ee5ng VXLAN?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1ea1n c\u00f3 th\u1ec3 c\u1ea7n ph\u1ea7n c\u1ee9ng m\u1edbi. B\u1ea1n ph\u1ea3i qu\u1ea3n l\u00fd c\u00e1c l\u1edbp ph\u1ee7 v\u00e0 VTEP. Vi\u1ec7c g\u1ee1 l\u1ed7i c\u00f3 th\u1ec3 t\u1ed1n nhi\u1ec1u th\u1eddi gian h\u01a1n do c\u00f3 th\u00eam m\u1ed9t l\u1edbp. Vi\u1ec7c l\u1eadp k\u1ebf ho\u1ea1ch k\u1ef9 l\u01b0\u1ee1ng s\u1ebd gi\u00fap b\u1ea1n tr\u00e1nh \u0111\u01b0\u1ee3c h\u1ea7u h\u1ebft c\u00e1c v\u1ea5n \u0111\u1ec1.<\/p>","protected":false},"excerpt":{"rendered":"<p>M\u1ea1ng LAN m\u1edf r\u1ed9ng \u1ea3o (Virtual Extensible LAN) cho ph\u00e9p \u1ea3o h\u00f3a m\u1ea1ng quy m\u00f4 l\u1edbn, an to\u00e0n v\u00e0 linh ho\u1ea1t, h\u1ed7 tr\u1ee3 h\u00e0ng tri\u1ec7u ph\u00e2n \u0111o\u1ea1n nh\u1eb1m \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee7a trung t\u00e2m d\u1eef li\u1ec7u hi\u1ec7n \u0111\u1ea1i.<\/p>","protected":false},"author":1,"featured_media":4257,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[27],"tags":[13,14,17,18,24,26],"class_list":["post-4259","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-glossary","tag-100g-modules","tag-10g-sfp-transceivers","tag-400g-optical-modules","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\/4259","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=4259"}],"version-history":[{"count":5,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/4259\/revisions"}],"predecessor-version":[{"id":10997,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/posts\/4259\/revisions\/10997"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media\/4257"}],"wp:attachment":[{"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/media?parent=4259"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/categories?post=4259"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/resourceslp.szlogic.cn\/vi\/wp-json\/wp\/v2\/tags?post=4259"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}