{"id":47451,"date":"2026-06-04T13:34:35","date_gmt":"2026-06-04T06:34:35","guid":{"rendered":"https:\/\/vinastech.vn\/?p=47451"},"modified":"2026-06-04T13:51:16","modified_gmt":"2026-06-04T06:51:16","slug":"thiet-ke-he-thong-mang-lan-cho-chung-cu","status":"publish","type":"post","link":"https:\/\/vinastech.vn\/thiet-ke-he-thong-mang-lan-cho-chung-cu\/","title":{"rendered":"Thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng m\u1ea1ng LAN cho chung c\u01b0"},"content":{"rendered":"<p>Trong h\u1ec7 th\u1ed1ng \u0111i\u1ec7n nh\u1eb9 c\u1ee7a m\u1ed9t t\u00f2a nh\u00e0 chung c\u01b0, m\u1ea1ng LAN l\u00e0 h\u1ea1 t\u1ea7ng l\u00f5i \u0111\u1ec3 k\u1ebft n\u1ed1i v\u00e0 truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u cho h\u1ea7u h\u1ebft c\u00e1c h\u1ec7 th\u1ed1ng c\u00f4ng ngh\u1ec7 nh\u01b0 camera IP, Wifi, ki\u1ec3m so\u00e1t ra v\u00e0o, Intercom, BMS, b\u00e3i \u0111\u1ed7 xe th\u00f4ng minh, h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd c\u01b0 d\u00e2n v\u00e0 c\u00e1c n\u1ec1n t\u1ea3ng Smart Building.<\/p>\n<p>N\u1ebfu h\u1ec7 th\u1ed1ng m\u1ea1ng LAN \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf kh\u00f4ng \u0111\u00fang ngay t\u1eeb \u0111\u1ea7u, c\u00e1c h\u1ec7 th\u1ed1ng ph\u00eda tr\u00ean s\u1ebd d\u1ec5 g\u1eb7p t\u00ecnh tr\u1ea1ng m\u1ea5t k\u1ebft n\u1ed1i, camera gi\u1eadt h\u00ecnh, truy c\u1eadp ch\u1eadm, kh\u00f3 m\u1edf r\u1ed9ng, kh\u00f3 v\u1eadn h\u00e0nh v\u00e0 kh\u00f3 x\u1eed l\u00fd s\u1ef1 c\u1ed1. V\u00ec v\u1eady, thi\u1ebft k\u1ebf m\u1ea1ng LAN cho chung c\u01b0 c\u1ea7n \u0111\u01b0\u1ee3c xem l\u00e0 m\u1ed9t h\u1ea1ng m\u1ee5c h\u1ea1 t\u1ea7ng k\u1ef9 thu\u1eadt tr\u1ecdng y\u1ebfu, kh\u00f4ng ch\u1ec9 l\u00e0 vi\u1ec7c k\u00e9o c\u00e1p v\u00e0 l\u1eafp switch \u0111\u01a1n thu\u1ea7n.<\/p>\n<p>M\u1ed9t h\u1ec7 th\u1ed1ng m\u1ea1ng LAN t\u1ed1t cho chung c\u01b0 c\u1ea7n \u0111\u00e1p \u1ee9ng c\u00e1c y\u00eau c\u1ea7u ch\u00ednh:<\/p>\n<ul>\n<li>Ho\u1ea1t \u0111\u1ed9ng \u1ed5n \u0111\u1ecbnh 24\/7.<\/li>\n<li>C\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng trong t\u01b0\u01a1ng lai.<\/li>\n<li>Ph\u00e2n t\u00e1ch r\u00f5 r\u00e0ng c\u00e1c h\u1ec7 th\u1ed1ng b\u1eb1ng VLAN.<\/li>\n<li>C\u00f3 d\u1ef1 ph\u00f2ng cho c\u00e1c tuy\u1ebfn uplink quan tr\u1ecdng.<\/li>\n<li>\u0110\u1ea3m b\u1ea3o b\u0103ng th\u00f4ng cho camera, Wifi v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd.<\/li>\n<li>D\u1ec5 v\u1eadn h\u00e0nh, d\u1ec5 b\u1ea3o tr\u00ec v\u00e0 d\u1ec5 khoanh v\u00f9ng s\u1ef1 c\u1ed1.<\/li>\n<li>\u0110\u00e1p \u1ee9ng y\u00eau c\u1ea7u an to\u00e0n th\u00f4ng tin cho h\u1ec7 th\u1ed1ng v\u1eadn h\u00e0nh t\u00f2a nh\u00e0.<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-47456\" src=\"https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/06\/Gemini_Generated_Image_v0c6aiv0c6aiv0c6.png\" alt=\"\" width=\"1195\" height=\"896\" srcset=\"https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/06\/Gemini_Generated_Image_v0c6aiv0c6aiv0c6.png 1195w, https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/06\/Gemini_Generated_Image_v0c6aiv0c6aiv0c6-533x400.png 533w, https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/06\/Gemini_Generated_Image_v0c6aiv0c6aiv0c6-1067x800.png 1067w, https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/06\/Gemini_Generated_Image_v0c6aiv0c6aiv0c6-768x576.png 768w, https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/06\/Gemini_Generated_Image_v0c6aiv0c6aiv0c6-600x450.png 600w\" sizes=\"auto, (max-width: 1195px) 100vw, 1195px\" \/><\/p>\n<h3>1. Nguy\u00ean t\u1eafc thi\u1ebft k\u1ebf Core Network cho chung c\u01b0<\/h3>\n<p>Core Network l\u00e0 ph\u1ea7n trung t\u00e2m c\u1ee7a to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng m\u1ea1ng trong t\u00f2a nh\u00e0. T\u1ea5t c\u1ea3 l\u01b0u l\u01b0\u1ee3ng t\u1eeb c\u00e1c t\u1ea7ng, c\u00e1c khu v\u1ef1c k\u1ef9 thu\u1eadt v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng ELV \u0111\u1ec1u h\u1ed9i t\u1ee5 v\u1ec1 Core Network.<\/p>\n<p>Trong th\u1ef1c t\u1ebf tri\u1ec3n khai, Core Network th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u1ea1i ph\u00f2ng k\u1ef9 thu\u1eadt trung t\u00e2m, ph\u00f2ng server, ph\u00f2ng MDF ho\u1eb7c trung t\u00e2m \u0111i\u1ec1u h\u00e0nh c\u1ee7a t\u00f2a nh\u00e0. \u0110\u00e2y l\u00e0 n\u01a1i b\u1ed1 tr\u00ed c\u00e1c thi\u1ebft b\u1ecb quan tr\u1ecdng nh\u01b0 Core Switch, Firewall, Router, m\u00e1y ch\u1ee7 qu\u1ea3n l\u00fd, h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef camera v\u00e0 c\u00e1c ph\u1ea7n m\u1ec1m v\u1eadn h\u00e0nh t\u1eadp trung.<\/p>\n<p>Khi thi\u1ebft k\u1ebf Core Network c\u1ea7n quan t\u00e2m \u0111\u1ebfn c\u00e1c y\u1ebfu t\u1ed1 sau:<\/p>\n<ul>\n<li>T\u1ed5ng s\u1ed1 t\u1ea7ng c\u1ee7a t\u00f2a nh\u00e0.<\/li>\n<li>S\u1ed1 l\u01b0\u1ee3ng camera IP.<\/li>\n<li>S\u1ed1 l\u01b0\u1ee3ng \u0111i\u1ec3m m\u1ea1ng.<\/li>\n<li>S\u1ed1 l\u01b0\u1ee3ng Access Point Wifi.<\/li>\n<li>S\u1ed1 l\u01b0\u1ee3ng thi\u1ebft b\u1ecb Access Control.<\/li>\n<li>S\u1ed1 l\u01b0\u1ee3ng h\u1ec7 th\u1ed1ng c\u1ea7n t\u00edch h\u1ee3p.<\/li>\n<li>Nhu c\u1ea7u b\u0103ng th\u00f4ng hi\u1ec7n t\u1ea1i v\u00e0 t\u01b0\u01a1ng lai.<\/li>\n<li>Y\u00eau c\u1ea7u d\u1ef1 ph\u00f2ng khi c\u00f3 s\u1ef1 c\u1ed1.<\/li>\n<li>Kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng th\u00eam t\u00f2a nh\u00e0, block ho\u1eb7c khu ti\u1ec7n \u00edch.<\/li>\n<\/ul>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c chung c\u01b0 quy m\u00f4 v\u1eeba v\u00e0 l\u1edbn, Core Network n\u00ean s\u1eed d\u1ee5ng switch Layer 3 c\u00f3 kh\u1ea3 n\u0103ng \u0111\u1ecbnh tuy\u1ebfn n\u1ed9i b\u1ed9, chia VLAN, ch\u1ea1y giao th\u1ee9c d\u1ef1 ph\u00f2ng, h\u1ed7 tr\u1ee3 uplink t\u1ed1c \u0111\u1ed9 cao v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng qu\u1ea3n tr\u1ecb t\u1eadp trung.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-47457\" src=\"https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/06\/Gemini_Generated_Image_lfj6malfj6malfj6-1.png\" alt=\"\" width=\"1024\" height=\"1024\" srcset=\"https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/06\/Gemini_Generated_Image_lfj6malfj6malfj6-1.png 1024w, https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/06\/Gemini_Generated_Image_lfj6malfj6malfj6-1-400x400.png 400w, https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/06\/Gemini_Generated_Image_lfj6malfj6malfj6-1-800x800.png 800w, https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/06\/Gemini_Generated_Image_lfj6malfj6malfj6-1-280x280.png 280w, https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/06\/Gemini_Generated_Image_lfj6malfj6malfj6-1-768x768.png 768w, https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/06\/Gemini_Generated_Image_lfj6malfj6malfj6-1-300x300.png 300w, https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/06\/Gemini_Generated_Image_lfj6malfj6malfj6-1-600x600.png 600w, https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/06\/Gemini_Generated_Image_lfj6malfj6malfj6-1-100x100.png 100w, https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/06\/Gemini_Generated_Image_lfj6malfj6malfj6-1-50x50.png 50w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/p>\n<h3>2. M\u00f4 h\u00ecnh m\u1ea1ng 3 l\u1edbp trong chung c\u01b0<\/h3>\n<p>M\u1ed9t trong nh\u1eefng m\u00f4 h\u00ecnh ph\u1ed5 bi\u1ebfn v\u00e0 hi\u1ec7u qu\u1ea3 khi thi\u1ebft k\u1ebf m\u1ea1ng LAN cho chung c\u01b0 l\u00e0 m\u00f4 h\u00ecnh 3 l\u1edbp, g\u1ed3m Core Layer, Distribution Layer v\u00e0 Access Layer.<\/p>\n<p>M\u00f4 h\u00ecnh n\u00e0y gi\u00fap ph\u00e2n t\u00e1ch r\u00f5 vai tr\u00f2 c\u1ee7a t\u1eebng l\u1edbp m\u1ea1ng, t\u0103ng t\u00ednh \u1ed5n \u0111\u1ecbnh, d\u1ec5 m\u1edf r\u1ed9ng v\u00e0 d\u1ec5 qu\u1ea3n tr\u1ecb.<\/p>\n<h3>2.1. Core Switch<\/h3>\n<p>Core Switch l\u00e0 thi\u1ebft b\u1ecb trung t\u00e2m c\u1ee7a to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng m\u1ea1ng.<\/p>\n<p>Vai tr\u00f2 ch\u00ednh c\u1ee7a Core Switch l\u00e0:<\/p>\n<ul>\n<li>H\u1ed9i t\u1ee5 to\u00e0n b\u1ed9 l\u01b0u l\u01b0\u1ee3ng t\u1eeb c\u00e1c Distribution Switch.<\/li>\n<li>\u0110\u1ecbnh tuy\u1ebfn gi\u1eefa c\u00e1c VLAN.<\/li>\n<li>K\u1ebft n\u1ed1i t\u1edbi Firewall, Router, Server, NVR, h\u1ec7 th\u1ed1ng l\u01b0u tr\u1eef v\u00e0 ph\u1ea7n m\u1ec1m qu\u1ea3n l\u00fd.<\/li>\n<li>\u0110\u1ea3m b\u1ea3o t\u1ed1c \u0111\u1ed9 truy\u1ec1n t\u1ea3i cao gi\u1eefa c\u00e1c ph\u00e2n v\u00f9ng m\u1ea1ng.<\/li>\n<li>L\u00e0 \u0111i\u1ec3m trung t\u00e2m \u0111\u1ec3 \u00e1p d\u1ee5ng c\u00e1c ch\u00ednh s\u00e1ch m\u1ea1ng quan tr\u1ecdng.<\/li>\n<\/ul>\n<p>Trong c\u00e1c t\u00f2a nh\u00e0 chung c\u01b0 cao t\u1ea7ng, Core Switch kh\u00f4ng n\u00ean ch\u1ec9 \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn theo s\u1ed1 l\u01b0\u1ee3ng c\u1ed5ng m\u00e0 ph\u1ea3i t\u00ednh theo n\u0103ng l\u1ef1c chuy\u1ec3n m\u1ea1ch, kh\u1ea3 n\u0103ng x\u1eed l\u00fd g\u00f3i tin, s\u1ed1 l\u01b0\u1ee3ng VLAN, s\u1ed1 l\u01b0\u1ee3ng route, kh\u1ea3 n\u0103ng d\u1ef1 ph\u00f2ng ngu\u1ed3n, d\u1ef1 ph\u00f2ng qu\u1ea1t v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng uplink.<\/p>\n<p>M\u1ed9t s\u1ed1 y\u00eau c\u1ea7u khuy\u1ebfn ngh\u1ecb \u0111\u1ed1i v\u1edbi Core Switch:<\/p>\n<ul>\n<li>H\u1ed7 tr\u1ee3 Layer 3.<\/li>\n<li>C\u00f3 c\u1ed5ng uplink 10Gbps ho\u1eb7c cao h\u01a1n.<\/li>\n<li>H\u1ed7 tr\u1ee3 stacking ho\u1eb7c virtual chassis.<\/li>\n<li>H\u1ed7 tr\u1ee3 ngu\u1ed3n d\u1ef1 ph\u00f2ng.<\/li>\n<li>H\u1ed7 tr\u1ee3 ACL, QoS, SNMP, Syslog.<\/li>\n<li>H\u1ed7 tr\u1ee3 qu\u1ea3n l\u00fd t\u1eadp trung.<\/li>\n<li>C\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng module quang.<\/li>\n<\/ul>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c d\u1ef1 \u00e1n quan tr\u1ecdng, n\u00ean tri\u1ec3n khai 2 Core Switch ch\u1ea1y d\u1ef1 ph\u00f2ng \u0111\u1ec3 tr\u00e1nh t\u00ecnh tr\u1ea1ng m\u1ed9t thi\u1ebft b\u1ecb l\u1ed7i l\u00e0m gi\u00e1n \u0111o\u1ea1n to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng m\u1ea1ng c\u1ee7a t\u00f2a nh\u00e0.<\/p>\n<h3>2.2. Distribution Switch<\/h3>\n<p>Distribution Switch l\u00e0 l\u1edbp trung gian gi\u1eefa Core Switch v\u00e0 Access Switch.<\/p>\n<p>Trong chung c\u01b0, Distribution Switch th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u1ea1i c\u00e1c ph\u00f2ng IDF, ph\u00f2ng k\u1ef9 thu\u1eadt t\u1ea7ng ho\u1eb7c c\u00e1c khu v\u1ef1c t\u1eadp trung thi\u1ebft b\u1ecb. Thi\u1ebft b\u1ecb n\u00e0y c\u00f3 nhi\u1ec7m v\u1ee5 gom l\u01b0u l\u01b0\u1ee3ng t\u1eeb nhi\u1ec1u Access Switch v\u00e0 truy\u1ec1n v\u1ec1 Core Switch th\u00f4ng qua tuy\u1ebfn uplink quang.<\/p>\n<p>Vai tr\u00f2 c\u1ee7a Distribution Switch:<\/p>\n<ul>\n<li>T\u1eadp trung k\u1ebft n\u1ed1i t\u1eeb c\u00e1c Access Switch.<\/li>\n<li>Truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u v\u1ec1 Core Switch.<\/li>\n<li>Th\u1ef1c hi\u1ec7n ph\u00e2n \u0111o\u1ea1n m\u1ea1ng theo khu v\u1ef1c.<\/li>\n<li>H\u1ed7 tr\u1ee3 d\u1ef1 ph\u00f2ng uplink.<\/li>\n<li>Gi\u1ea3m t\u1ea3i tr\u1ef1c ti\u1ebfp cho Core Switch.<\/li>\n<li>Gi\u00fap khoanh v\u00f9ng s\u1ef1 c\u1ed1 theo t\u1ea7ng ho\u1eb7c theo block.<\/li>\n<\/ul>\n<p>\u0110\u1ed1i v\u1edbi t\u00f2a nh\u00e0 nhi\u1ec1u t\u1ea7ng, m\u1ed7i c\u1ee5m t\u1ea7ng c\u00f3 th\u1ec3 b\u1ed1 tr\u00ed m\u1ed9t Distribution Switch. V\u00ed d\u1ee5, m\u1ed9t Distribution Switch c\u00f3 th\u1ec3 ph\u1ee5c v\u1ee5 3 \u0111\u1ebfn 5 t\u1ea7ng t\u00f9y theo m\u1eadt \u0111\u1ed9 thi\u1ebft b\u1ecb.<\/p>\n<p>Trong c\u00e1c d\u1ef1 \u00e1n nh\u1ecf h\u01a1n, c\u00f3 th\u1ec3 b\u1ecf qua l\u1edbp Distribution v\u00e0 k\u1ebft n\u1ed1i Access Switch tr\u1ef1c ti\u1ebfp v\u1ec1 Core Switch. Tuy nhi\u00ean v\u1edbi chung c\u01b0 cao t\u1ea7ng, m\u00f4 h\u00ecnh c\u00f3 Distribution s\u1ebd gi\u00fap h\u1ec7 th\u1ed1ng r\u00f5 r\u00e0ng h\u01a1n, d\u1ec5 v\u1eadn h\u00e0nh h\u01a1n v\u00e0 d\u1ec5 m\u1edf r\u1ed9ng h\u01a1n.<\/p>\n<h3>2.3. Access Switch<\/h3>\n<p>Access Switch l\u00e0 l\u1edbp k\u1ebft n\u1ed1i tr\u1ef1c ti\u1ebfp t\u1edbi c\u00e1c thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i.<\/p>\n<p>C\u00e1c thi\u1ebft b\u1ecb th\u01b0\u1eddng k\u1ebft n\u1ed1i v\u00e0o Access Switch g\u1ed3m:<\/p>\n<ul>\n<li>Camera IP.<\/li>\n<li>Access Point Wifi.<\/li>\n<li>B\u1ed9 \u0111i\u1ec1u khi\u1ec3n c\u1eeda.<\/li>\n<li>Intercom.<\/li>\n<li>M\u00e1y t\u00ednh ban qu\u1ea3n l\u00fd.<\/li>\n<li>Thi\u1ebft b\u1ecb BMS.<\/li>\n<li>Thi\u1ebft b\u1ecb IoT.<\/li>\n<li>M\u00e1y ch\u1ea5m c\u00f4ng.<\/li>\n<li>Thi\u1ebft b\u1ecb b\u00e3i xe th\u00f4ng minh.<\/li>\n<\/ul>\n<p>Access Switch trong h\u1ec7 th\u1ed1ng ELV th\u01b0\u1eddng c\u1ea7n h\u1ed7 tr\u1ee3 PoE ho\u1eb7c PoE+ \u0111\u1ec3 c\u1ea5p ngu\u1ed3n tr\u1ef1c ti\u1ebfp cho camera IP, Access Point Wifi v\u00e0 m\u1ed9t s\u1ed1 thi\u1ebft b\u1ecb ki\u1ec3m so\u00e1t ra v\u00e0o.<\/p>\n<p>Khi l\u1ef1a ch\u1ecdn Access Switch c\u1ea7n t\u00ednh to\u00e1n k\u1ef9:<\/p>\n<ul>\n<li>S\u1ed1 l\u01b0\u1ee3ng c\u1ed5ng c\u1ea7n s\u1eed d\u1ee5ng.<\/li>\n<li>C\u00f4ng su\u1ea5t PoE t\u1ed5ng.<\/li>\n<li>C\u00f4ng su\u1ea5t PoE tr\u00ean t\u1eebng c\u1ed5ng.<\/li>\n<li>S\u1ed1 l\u01b0\u1ee3ng uplink quang.<\/li>\n<li>Kh\u1ea3 n\u0103ng qu\u1ea3n tr\u1ecb VLAN.<\/li>\n<li>Kh\u1ea3 n\u0103ng gi\u00e1m s\u00e1t tr\u1ea1ng th\u00e1i thi\u1ebft b\u1ecb.<\/li>\n<li>M\u1ee9c \u0111\u1ed9 d\u1ef1 ph\u00f2ng c\u1ea7n thi\u1ebft.<\/li>\n<\/ul>\n<p>M\u1ed9t l\u1ed7i th\u01b0\u1eddng g\u1eb7p trong th\u1ef1c t\u1ebf l\u00e0 ch\u1ecdn switch \u0111\u1ee7 s\u1ed1 c\u1ed5ng nh\u01b0ng thi\u1ebfu PoE Budget. V\u00ed d\u1ee5, m\u1ed9t switch 24 port PoE nh\u01b0ng t\u1ed5ng c\u00f4ng su\u1ea5t ch\u1ec9 250W s\u1ebd kh\u00f4ng \u0111\u1ee7 n\u1ebfu c\u1ea5p ngu\u1ed3n cho nhi\u1ec1u camera h\u1ed3ng ngo\u1ea1i ho\u1eb7c Access Point c\u00f4ng su\u1ea5t cao.<\/p>\n<h3>3. M\u00f4 h\u00ecnh th\u1ef1c t\u1ebf trong chung c\u01b0<\/h3>\n<p>Trong tri\u1ec3n khai th\u1ef1c t\u1ebf, h\u1ec7 th\u1ed1ng m\u1ea1ng LAN c\u1ee7a chung c\u01b0 th\u01b0\u1eddng \u0111\u01b0\u1ee3c b\u1ed1 tr\u00ed theo m\u00f4 h\u00ecnh trung t\u00e2m v\u00e0 ph\u00e2n t\u00e1n theo t\u1ea7ng.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-47459\" src=\"https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/06\/Gemini_Generated_Image_kh6k14kh6k14kh6k-1.png\" alt=\"\" width=\"1408\" height=\"768\" srcset=\"https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/06\/Gemini_Generated_Image_kh6k14kh6k14kh6k-1.png 1408w, https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/06\/Gemini_Generated_Image_kh6k14kh6k14kh6k-1-733x400.png 733w, https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/06\/Gemini_Generated_Image_kh6k14kh6k14kh6k-1-1400x764.png 1400w, https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/06\/Gemini_Generated_Image_kh6k14kh6k14kh6k-1-768x419.png 768w, https:\/\/vinastech.vn\/wp-content\/uploads\/2026\/06\/Gemini_Generated_Image_kh6k14kh6k14kh6k-1-600x327.png 600w\" sizes=\"auto, (max-width: 1408px) 100vw, 1408px\" \/><\/p>\n<h3>3.1. Core \u0111\u1eb7t t\u1ea1i ph\u00f2ng k\u1ef9 thu\u1eadt trung t\u00e2m<\/h3>\n<p>Core Switch th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111\u1eb7t t\u1ea1i ph\u00f2ng MDF, ph\u00f2ng server ho\u1eb7c ph\u00f2ng \u0111i\u1ec1u h\u00e0nh trung t\u00e2m.<\/p>\n<p>T\u1ea1i \u0111\u00e2y s\u1ebd t\u1eadp trung c\u00e1c thi\u1ebft b\u1ecb quan tr\u1ecdng nh\u01b0:<\/p>\n<ul>\n<li>Core Switch.<\/li>\n<li>Firewall.<\/li>\n<li>Router.<\/li>\n<li>M\u00e1y ch\u1ee7 qu\u1ea3n l\u00fd.<\/li>\n<li>NVR ho\u1eb7c server l\u01b0u tr\u1eef camera.<\/li>\n<li>H\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd Access Control.<\/li>\n<li>H\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd Wifi.<\/li>\n<li>H\u1ec7 th\u1ed1ng gi\u00e1m s\u00e1t m\u1ea1ng.<\/li>\n<\/ul>\n<p>Ph\u00f2ng k\u1ef9 thu\u1eadt trung t\u00e2m c\u1ea7n \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf \u0111\u1ea3m b\u1ea3o c\u00e1c \u0111i\u1ec1u ki\u1ec7n:<\/p>\n<ul>\n<li>C\u00f3 ngu\u1ed3n \u0111i\u1ec7n \u1ed5n \u0111\u1ecbnh.<\/li>\n<li>C\u00f3 UPS d\u1ef1 ph\u00f2ng.<\/li>\n<li>C\u00f3 \u0111i\u1ec1u h\u00f2a l\u00e0m m\u00e1t.<\/li>\n<li>C\u00f3 ti\u1ebfp \u0111\u1ecba.<\/li>\n<li>C\u00f3 ki\u1ec3m so\u00e1t ra v\u00e0o.<\/li>\n<li>C\u00f3 camera gi\u00e1m s\u00e1t.<\/li>\n<li>C\u00f3 t\u1ee7 rack ti\u00eau chu\u1ea9n.<\/li>\n<li>C\u00f3 s\u01a1 \u0111\u1ed3 \u0111\u1ea5u n\u1ed1i r\u00f5 r\u00e0ng.<\/li>\n<\/ul>\n<p>Kh\u00f4ng n\u00ean \u0111\u1eb7t Core Switch t\u1ea1i v\u1ecb tr\u00ed t\u1ea1m b\u1ee3, thi\u1ebfu \u0111i\u1ec1u h\u00f2a ho\u1eb7c d\u00f9ng chung v\u1edbi khu v\u1ef1c c\u00f3 nhi\u1ec1u b\u1ee5i, \u1ea9m, rung \u0111\u1ed9ng v\u00ec s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn tu\u1ed5i th\u1ecd thi\u1ebft b\u1ecb.<\/p>\n<h3>3.2. IDF b\u1ed1 tr\u00ed theo t\u1eebng t\u1ea7ng ho\u1eb7c c\u1ee5m t\u1ea7ng<\/h3>\n<p>IDF l\u00e0 \u0111i\u1ec3m t\u1eadp trung thi\u1ebft b\u1ecb m\u1ea1ng t\u1ea1i c\u00e1c t\u1ea7ng ho\u1eb7c c\u00e1c khu v\u1ef1c k\u1ef9 thu\u1eadt.<\/p>\n<p>T\u00f9y theo quy m\u00f4 c\u00f4ng tr\u00ecnh, c\u00f3 th\u1ec3 thi\u1ebft k\u1ebf:<\/p>\n<ul>\n<li>M\u1ed7i t\u1ea7ng m\u1ed9t IDF.<\/li>\n<li>Hai \u0111\u1ebfn ba t\u1ea7ng d\u00f9ng chung m\u1ed9t IDF.<\/li>\n<li>M\u1ed9t IDF cho t\u1eebng block.<\/li>\n<li>M\u1ed9t IDF cho t\u1eebng khu ch\u1ee9c n\u0103ng nh\u01b0 h\u1ea7m xe, s\u1ea3nh, khu ti\u1ec7n \u00edch.<\/li>\n<\/ul>\n<p>Vi\u1ec7c b\u1ed1 tr\u00ed IDF c\u1ea7n \u0111\u1ea3m b\u1ea3o chi\u1ec1u d\u00e0i c\u00e1p \u0111\u1ed3ng t\u1eeb switch t\u1edbi thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i kh\u00f4ng v\u01b0\u1ee3t qu\u00e1 gi\u1edbi h\u1ea1n k\u1ef9 thu\u1eadt, th\u00f4ng th\u01b0\u1eddng kh\u00f4ng qu\u00e1 90m \u0111\u1ed1i v\u1edbi tuy\u1ebfn c\u00e1p c\u1ed1 \u0111\u1ecbnh.<\/p>\n<p>IDF c\u1ea7n c\u00f3:<\/p>\n<ul>\n<li>T\u1ee7 rack.<\/li>\n<li>Patch Panel.<\/li>\n<li>Switch Access ho\u1eb7c Distribution.<\/li>\n<li>ODF quang n\u1ebfu c\u00f3 uplink quang.<\/li>\n<li>Thanh ngu\u1ed3n PDU.<\/li>\n<li>Ti\u1ebfp \u0111\u1ecba.<\/li>\n<li>Nh\u00e3n c\u00e1p r\u00f5 r\u00e0ng.<\/li>\n<li>S\u01a1 \u0111\u1ed3 k\u1ebft n\u1ed1i.<\/li>\n<\/ul>\n<p>M\u1ed9t IDF \u0111\u01b0\u1ee3c t\u1ed5 ch\u1ee9c t\u1ed1t s\u1ebd gi\u00fap \u0111\u1ed9i v\u1eadn h\u00e0nh d\u1ec5 ki\u1ec3m tra, thay th\u1ebf thi\u1ebft b\u1ecb v\u00e0 x\u1eed l\u00fd s\u1ef1 c\u1ed1 nhanh h\u01a1n.<\/p>\n<h3>3.3. Uplink quang gi\u1eefa IDF v\u00e0 Core<\/h3>\n<p>\u0110\u1ed1i v\u1edbi chung c\u01b0 cao t\u1ea7ng, uplink t\u1eeb IDF v\u1ec1 Core n\u00ean s\u1eed d\u1ee5ng c\u00e1p quang thay v\u00ec c\u00e1p \u0111\u1ed3ng.<\/p>\n<p>L\u00fd do l\u00e0:<\/p>\n<ul>\n<li>C\u00e1p quang h\u1ed7 tr\u1ee3 kho\u1ea3ng c\u00e1ch xa.<\/li>\n<li>B\u0103ng th\u00f4ng l\u1edbn.<\/li>\n<li>Ch\u1ed1ng nhi\u1ec5u t\u1ed1t.<\/li>\n<li>Ph\u00f9 h\u1ee3p cho tr\u1ee5c \u0111\u1ee9ng t\u00f2a nh\u00e0.<\/li>\n<li>D\u1ec5 n\u00e2ng c\u1ea5p t\u1eeb 1Gbps l\u00ean 10Gbps ho\u1eb7c cao h\u01a1n.<\/li>\n<\/ul>\n<p>Th\u00f4ng th\u01b0\u1eddng, uplink quang n\u00ean thi\u1ebft k\u1ebf t\u1ed1i thi\u1ec3u 2 tuy\u1ebfn ho\u1eb7c 2 s\u1ee3i d\u1ef1 ph\u00f2ng cho c\u00e1c khu v\u1ef1c quan tr\u1ecdng.<\/p>\n<p>V\u1edbi c\u00e1c khu v\u1ef1c c\u00f3 nhi\u1ec1u camera nh\u01b0 h\u1ea7m xe, s\u1ea3nh, c\u1ed5ng ra v\u00e0o ho\u1eb7c khu th\u01b0\u01a1ng m\u1ea1i, uplink n\u00ean d\u00f9ng 10Gbps \u0111\u1ec3 tr\u00e1nh ngh\u1ebdn b\u0103ng th\u00f4ng.<\/p>\n<p>Kh\u00f4ng n\u00ean gom qu\u00e1 nhi\u1ec1u camera \u0111\u1ed9 ph\u00e2n gi\u1ea3i cao v\u00e0o m\u1ed9t uplink 1Gbps n\u1ebfu kh\u00f4ng t\u00ednh to\u00e1n l\u01b0u l\u01b0\u1ee3ng tr\u01b0\u1edbc.<\/p>\n<h3>4. Thi\u1ebft k\u1ebf VLAN cho h\u1ec7 th\u1ed1ng m\u1ea1ng chung c\u01b0<\/h3>\n<p>VLAN l\u00e0 m\u1ed9t trong nh\u1eefng th\u00e0nh ph\u1ea7n quan tr\u1ecdng nh\u1ea5t khi thi\u1ebft k\u1ebf m\u1ea1ng LAN cho chung c\u01b0.<\/p>\n<p>VLAN gi\u00fap ph\u00e2n t\u00e1ch c\u00e1c h\u1ec7 th\u1ed1ng kh\u00e1c nhau tr\u00ean c\u00f9ng m\u1ed9t h\u1ea1 t\u1ea7ng m\u1ea1ng v\u1eadt l\u00fd. Nh\u1edd \u0111\u00f3, h\u1ec7 th\u1ed1ng v\u1eadn h\u00e0nh \u1ed5n \u0111\u1ecbnh h\u01a1n, b\u1ea3o m\u1eadt h\u01a1n v\u00e0 d\u1ec5 qu\u1ea3n l\u00fd h\u01a1n.<\/p>\n<p>N\u1ebfu kh\u00f4ng chia VLAN, t\u1ea5t c\u1ea3 thi\u1ebft b\u1ecb s\u1ebd n\u1eb1m chung m\u1ed9t m\u1ea1ng, d\u1eabn \u0111\u1ebfn nhi\u1ec1u r\u1ee7i ro:<\/p>\n<ul>\n<li>Broadcast t\u0103ng cao.<\/li>\n<li>Kh\u00f3 ki\u1ec3m so\u00e1t truy c\u1eadp.<\/li>\n<li>Camera c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u1ea1ng Internet.<\/li>\n<li>Ng\u01b0\u1eddi d\u00f9ng c\u00f3 th\u1ec3 truy c\u1eadp nh\u1ea7m v\u00e0o h\u1ec7 th\u1ed1ng k\u1ef9 thu\u1eadt.<\/li>\n<li>Kh\u00f3 khoanh v\u00f9ng s\u1ef1 c\u1ed1.<\/li>\n<li>T\u0103ng nguy c\u01a1 m\u1ea5t an to\u00e0n th\u00f4ng tin.<\/li>\n<\/ul>\n<h3>4.1. VLAN Camera<\/h3>\n<p>VLAN Camera d\u00f9ng ri\u00eang cho h\u1ec7 th\u1ed1ng camera IP.<\/p>\n<p>T\u1ea5t c\u1ea3 camera t\u1ea1i s\u1ea3nh, h\u00e0nh lang, h\u1ea7m xe, thang m\u00e1y, c\u1ed5ng ra v\u00e0o v\u00e0 khu v\u1ef1c c\u00f4ng c\u1ed9ng n\u00ean \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o VLAN n\u00e0y.<\/p>\n<p>M\u1ee5c ti\u00eau:<\/p>\n<ul>\n<li>T\u00e1ch l\u01b0u l\u01b0\u1ee3ng video kh\u1ecfi c\u00e1c h\u1ec7 th\u1ed1ng kh\u00e1c.<\/li>\n<li>Gi\u1ea3m nguy c\u01a1 camera b\u1ecb truy c\u1eadp tr\u00e1i ph\u00e9p.<\/li>\n<li>D\u1ec5 qu\u1ea3n l\u00fd \u0111\u1ecba ch\u1ec9 IP camera.<\/li>\n<li>D\u1ec5 ki\u1ec3m so\u00e1t b\u0103ng th\u00f4ng.<\/li>\n<li>D\u1ec5 c\u1ea5u h\u00ecnh ghi h\u00ecnh v\u1ec1 NVR ho\u1eb7c VMS.<\/li>\n<\/ul>\n<p>VLAN Camera ch\u1ec9 n\u00ean \u0111\u01b0\u1ee3c ph\u00e9p giao ti\u1ebfp v\u1edbi:<\/p>\n<ul>\n<li>NVR.<\/li>\n<li>VMS Server.<\/li>\n<li>M\u00e1y tr\u1ea1m gi\u00e1m s\u00e1t.<\/li>\n<li>Thi\u1ebft b\u1ecb qu\u1ea3n tr\u1ecb \u0111\u01b0\u1ee3c ph\u00e2n quy\u1ec1n.<\/li>\n<\/ul>\n<p>Kh\u00f4ng n\u00ean cho VLAN Camera truy c\u1eadp Internet tr\u1ef1c ti\u1ebfp n\u1ebfu kh\u00f4ng c\u00f3 nhu c\u1ea7u b\u1eaft bu\u1ed9c.<\/p>\n<h3>4.2. VLAN BMS<\/h3>\n<p>VLAN BMS d\u00e0nh cho h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd t\u00f2a nh\u00e0 v\u00e0 c\u00e1c thi\u1ebft b\u1ecb k\u1ef9 thu\u1eadt nh\u01b0 \u0111i\u1ec1u h\u00f2a, b\u01a1m, \u0111i\u1ec7n, thang m\u00e1y, m\u00e1y ph\u00e1t, c\u1ea3m bi\u1ebfn v\u00e0 c\u00e1c b\u1ed9 \u0111i\u1ec1u khi\u1ec3n.<\/p>\n<p>\u0110\u00e2y l\u00e0 VLAN r\u1ea5t quan tr\u1ecdng v\u00ec li\u00ean quan tr\u1ef1c ti\u1ebfp \u0111\u1ebfn v\u1eadn h\u00e0nh k\u1ef9 thu\u1eadt c\u1ee7a t\u00f2a nh\u00e0.<\/p>\n<p>VLAN BMS c\u1ea7n \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t truy c\u1eadp ch\u1eb7t ch\u1ebd. Ch\u1ec9 m\u00e1y ch\u1ee7 BMS, m\u00e1y tr\u1ea1m k\u1ef9 thu\u1eadt v\u00e0 c\u00e1c thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c ph\u00e2n quy\u1ec1n m\u1edbi \u0111\u01b0\u1ee3c ph\u00e9p giao ti\u1ebfp v\u1edbi VLAN n\u00e0y.<\/p>\n<h3>4.3. VLAN Internet c\u01b0 d\u00e2n<\/h3>\n<p>VLAN Internet c\u01b0 d\u00e2n d\u00f9ng cho d\u1ecbch v\u1ee5 truy c\u1eadp Internet c\u1ee7a c\u01b0 d\u00e2n ho\u1eb7c khu v\u1ef1c c\u00f4ng c\u1ed9ng.<\/p>\n<p>VLAN n\u00e0y c\u1ea7n \u0111\u01b0\u1ee3c t\u00e1ch bi\u1ec7t ho\u00e0n to\u00e0n v\u1edbi VLAN Camera, VLAN BMS v\u00e0 VLAN Ban qu\u1ea3n l\u00fd.<\/p>\n<p>Nguy\u00ean t\u1eafc quan tr\u1ecdng l\u00e0 ng\u01b0\u1eddi d\u00f9ng Internet kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p truy c\u1eadp v\u00e0o h\u1ec7 th\u1ed1ng k\u1ef9 thu\u1eadt c\u1ee7a t\u00f2a nh\u00e0.<\/p>\n<p>N\u1ebfu tri\u1ec3n khai Wifi c\u01b0 d\u00e2n ho\u1eb7c Wifi kh\u00e1ch, c\u1ea7n c\u00f3 c\u01a1 ch\u1ebf:<\/p>\n<ul>\n<li>Captive Portal.<\/li>\n<li>Gi\u1edbi h\u1ea1n b\u0103ng th\u00f4ng.<\/li>\n<li>C\u00f4 l\u1eadp ng\u01b0\u1eddi d\u00f9ng.<\/li>\n<li>Ghi log truy c\u1eadp n\u1ebfu c\u00f3 y\u00eau c\u1ea7u.<\/li>\n<li>T\u00e1ch bi\u1ec7t v\u1edbi m\u1ea1ng qu\u1ea3n tr\u1ecb.<\/li>\n<\/ul>\n<h3>4.4. VLAN Ban qu\u1ea3n l\u00fd<\/h3>\n<p>VLAN Ban qu\u1ea3n l\u00fd d\u00e0nh cho m\u00e1y t\u00ednh v\u0103n ph\u00f2ng, m\u00e1y in, \u0111i\u1ec7n tho\u1ea1i IP v\u00e0 c\u00e1c thi\u1ebft b\u1ecb l\u00e0m vi\u1ec7c c\u1ee7a Ban qu\u1ea3n l\u00fd t\u00f2a nh\u00e0.<\/p>\n<p>VLAN n\u00e0y c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u1ea5p quy\u1ec1n truy c\u1eadp m\u1ed9t ph\u1ea7n t\u1edbi c\u00e1c h\u1ec7 th\u1ed1ng nh\u01b0:<\/p>\n<ul>\n<li>Camera Client.<\/li>\n<li>Ph\u1ea7n m\u1ec1m qu\u1ea3n l\u00fd c\u01b0 d\u00e2n.<\/li>\n<li>H\u1ec7 th\u1ed1ng b\u00e3i xe.<\/li>\n<li>H\u1ec7 th\u1ed1ng Access Control.<\/li>\n<\/ul>\n<p>Tuy nhi\u00ean quy\u1ec1n truy c\u1eadp c\u1ea7n \u0111\u01b0\u1ee3c ph\u00e2n quy\u1ec1n r\u00f5 r\u00e0ng, tr\u00e1nh \u0111\u1ec3 to\u00e0n b\u1ed9 m\u00e1y t\u00ednh v\u0103n ph\u00f2ng c\u00f3 th\u1ec3 truy c\u1eadp tr\u1ef1c ti\u1ebfp v\u00e0o thi\u1ebft b\u1ecb k\u1ef9 thu\u1eadt.<\/p>\n<h3>4.5. VLAN K\u1ef9 thu\u1eadt<\/h3>\n<p>VLAN K\u1ef9 thu\u1eadt d\u00e0nh cho \u0111\u1ed9i ng\u0169 v\u1eadn h\u00e0nh, k\u1ef9 s\u01b0 b\u1ea3o tr\u00ec v\u00e0 thi\u1ebft b\u1ecb qu\u1ea3n tr\u1ecb h\u1ec7 th\u1ed1ng.<\/p>\n<p>\u0110\u00e2y l\u00e0 VLAN c\u00f3 quy\u1ec1n truy c\u1eadp cao h\u01a1n so v\u1edbi VLAN Ban qu\u1ea3n l\u00fd.<\/p>\n<p>VLAN K\u1ef9 thu\u1eadt th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng \u0111\u1ec3:<\/p>\n<ul>\n<li>Qu\u1ea3n tr\u1ecb switch.<\/li>\n<li>Truy c\u1eadp firewall.<\/li>\n<li>C\u1ea5u h\u00ecnh camera.<\/li>\n<li>C\u1ea5u h\u00ecnh Access Control.<\/li>\n<li>Qu\u1ea3n l\u00fd server.<\/li>\n<li>Ki\u1ec3m tra thi\u1ebft b\u1ecb m\u1ea1ng.<\/li>\n<\/ul>\n<p>VLAN n\u00e0y c\u1ea7n c\u00f3 m\u1eadt kh\u1ea9u m\u1ea1nh, gi\u1edbi h\u1ea1n \u0111\u1ecba ch\u1ec9 truy c\u1eadp v\u00e0 ghi log \u0111\u1ea7y \u0111\u1ee7.<\/p>\n<h3>5. V\u00ed d\u1ee5 ph\u00e2n ho\u1ea1ch VLAN cho chung c\u01b0<\/h3>\n<p>M\u1ed9t m\u00f4 h\u00ecnh VLAN tham kh\u1ea3o c\u00f3 th\u1ec3 tri\u1ec3n khai nh\u01b0 sau:<\/p>\n<table>\n<thead>\n<tr>\n<th>VLAN<\/th>\n<th>T\u00ean VLAN<\/th>\n<th>M\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>VLAN 10<\/td>\n<td>Management<\/td>\n<td>Qu\u1ea3n tr\u1ecb thi\u1ebft b\u1ecb m\u1ea1ng<\/td>\n<\/tr>\n<tr>\n<td>VLAN 20<\/td>\n<td>Camera<\/td>\n<td>Camera IP, NVR, VMS<\/td>\n<\/tr>\n<tr>\n<td>VLAN 30<\/td>\n<td>Access Control<\/td>\n<td>Ki\u1ec3m so\u00e1t ra v\u00e0o, thang m\u00e1y<\/td>\n<\/tr>\n<tr>\n<td>VLAN 40<\/td>\n<td>BMS<\/td>\n<td>H\u1ec7 th\u1ed1ng k\u1ef9 thu\u1eadt t\u00f2a nh\u00e0<\/td>\n<\/tr>\n<tr>\n<td>VLAN 50<\/td>\n<td>Parking<\/td>\n<td>B\u00e3i xe th\u00f4ng minh<\/td>\n<\/tr>\n<tr>\n<td>VLAN 60<\/td>\n<td>Intercom<\/td>\n<td>Chu\u00f4ng h\u00ecnh, li\u00ean l\u1ea1c n\u1ed9i b\u1ed9<\/td>\n<\/tr>\n<tr>\n<td>VLAN 70<\/td>\n<td>Office<\/td>\n<td>Ban qu\u1ea3n l\u00fd t\u00f2a nh\u00e0<\/td>\n<\/tr>\n<tr>\n<td>VLAN 80<\/td>\n<td>Resident Internet<\/td>\n<td>Internet c\u01b0 d\u00e2n<\/td>\n<\/tr>\n<tr>\n<td>VLAN 90<\/td>\n<td>Guest Wifi<\/td>\n<td>Wifi kh\u00e1ch<\/td>\n<\/tr>\n<tr>\n<td>VLAN 100<\/td>\n<td>Server<\/td>\n<td>M\u00e1y ch\u1ee7 qu\u1ea3n l\u00fd, l\u01b0u tr\u1eef<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Vi\u1ec7c \u0111\u1eb7t s\u1ed1 VLAN c\u00f3 th\u1ec3 thay \u0111\u1ed5i t\u00f9y theo ti\u00eau chu\u1ea9n c\u1ee7a t\u1eebng ch\u1ee7 \u0111\u1ea7u t\u01b0, nh\u01b0ng c\u1ea7n th\u1ed1ng nh\u1ea5t ngay t\u1eeb giai \u0111o\u1ea1n thi\u1ebft k\u1ebf \u0111\u1ec3 tr\u00e1nh nh\u1ea7m l\u1eabn trong qu\u00e1 tr\u00ecnh tri\u1ec3n khai v\u00e0 v\u1eadn h\u00e0nh.<\/p>\n<h3>6. Kinh nghi\u1ec7m th\u1ef1c t\u1ebf khi thi\u1ebft k\u1ebf m\u1ea1ng LAN cho chung c\u01b0<\/h3>\n<h3>Kh\u00f4ng d\u00f9ng chung VLAN camera v\u00e0 Internet<\/h3>\n<p>\u0110\u00e2y l\u00e0 l\u1ed7i r\u1ea5t ph\u1ed5 bi\u1ebfn trong c\u00e1c c\u00f4ng tr\u00ecnh tri\u1ec3n khai thi\u1ebfu quy ho\u1ea1ch.<\/p>\n<p>Camera IP t\u1ea1o ra l\u01b0u l\u01b0\u1ee3ng video li\u00ean t\u1ee5c, \u0111\u1eb7c bi\u1ec7t v\u1edbi camera \u0111\u1ed9 ph\u00e2n gi\u1ea3i 4MP, 5MP ho\u1eb7c 8MP. N\u1ebfu d\u00f9ng chung v\u1edbi m\u1ea1ng Internet c\u01b0 d\u00e2n ho\u1eb7c m\u1ea1ng v\u0103n ph\u00f2ng, h\u1ec7 th\u1ed1ng d\u1ec5 x\u1ea3y ra ngh\u1ebdn b\u0103ng th\u00f4ng, t\u0103ng broadcast v\u00e0 kh\u00f3 ki\u1ec3m so\u00e1t truy c\u1eadp.<\/p>\n<p>Ngo\u00e0i ra, camera l\u00e0 thi\u1ebft b\u1ecb nh\u1ea1y c\u1ea3m v\u1ec1 an ninh. N\u1ebfu \u0111\u1ec3 chung m\u1ea1ng v\u1edbi ng\u01b0\u1eddi d\u00f9ng Internet, nguy c\u01a1 b\u1ecb d\u00f2 qu\u00e9t, truy c\u1eadp tr\u00e1i ph\u00e9p ho\u1eb7c khai th\u00e1c l\u1ed7 h\u1ed5ng s\u1ebd cao h\u01a1n.<\/p>\n<h3>Lu\u00f4n thi\u1ebft k\u1ebf d\u1ef1 ph\u00f2ng uplink<\/h3>\n<p>C\u00e1c tuy\u1ebfn uplink t\u1eeb IDF v\u1ec1 Core l\u00e0 \u0111\u01b0\u1eddng truy\u1ec1n x\u01b0\u01a1ng s\u1ed1ng c\u1ee7a h\u1ec7 th\u1ed1ng. N\u1ebfu uplink b\u1ecb l\u1ed7i, to\u00e0n b\u1ed9 thi\u1ebft b\u1ecb t\u1ea1i t\u1ea7ng ho\u1eb7c khu v\u1ef1c \u0111\u00f3 c\u00f3 th\u1ec3 m\u1ea5t k\u1ebft n\u1ed1i.<\/p>\n<p>V\u00ec v\u1eady, \u0111\u1ed1i v\u1edbi c\u00e1c khu v\u1ef1c quan tr\u1ecdng nh\u01b0 h\u1ea7m xe, s\u1ea3nh, ph\u00f2ng k\u1ef9 thu\u1eadt v\u00e0 h\u1ec7 th\u1ed1ng camera an ninh, n\u00ean thi\u1ebft k\u1ebf uplink d\u1ef1 ph\u00f2ng.<\/p>\n<p>C\u00f3 th\u1ec3 tri\u1ec3n khai:<\/p>\n<ul>\n<li>2 \u0111\u01b0\u1eddng uplink quang v\u1ec1 Core.<\/li>\n<li>Link Aggregation \u0111\u1ec3 g\u1ed9p b\u0103ng th\u00f4ng.<\/li>\n<li>Spanning Tree ho\u1eb7c c\u01a1 ch\u1ebf d\u1ef1 ph\u00f2ng t\u01b0\u01a1ng \u0111\u01b0\u01a1ng.<\/li>\n<li>Ring topology cho m\u1ed9t s\u1ed1 h\u1ec7 th\u1ed1ng c\u00f4ng nghi\u1ec7p ho\u1eb7c BMS.<\/li>\n<\/ul>\n<h3>Thi\u1ebft k\u1ebf kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng 30\u201350%<\/h3>\n<p>M\u1ed9t h\u1ec7 th\u1ed1ng m\u1ea1ng chung c\u01b0 kh\u00f4ng n\u00ean thi\u1ebft k\u1ebf v\u1eeba \u0111\u1ee7 t\u1ea1i th\u1eddi \u0111i\u1ec3m b\u00e0n giao.<\/p>\n<p>Trong th\u1ef1c t\u1ebf v\u1eadn h\u00e0nh, sau 1 \u0111\u1ebfn 3 n\u0103m th\u01b0\u1eddng ph\u00e1t sinh th\u00eam:<\/p>\n<ul>\n<li>Camera b\u1ed5 sung.<\/li>\n<li>Access Point Wifi.<\/li>\n<li>C\u1eeda ki\u1ec3m so\u00e1t m\u1edbi.<\/li>\n<li>Thi\u1ebft b\u1ecb IoT.<\/li>\n<li>M\u00e0n h\u00ecnh qu\u1ea3ng c\u00e1o.<\/li>\n<li>H\u1ec7 th\u1ed1ng \u0111o \u0111\u1ebfm th\u00f4ng minh.<\/li>\n<li>N\u1ec1n t\u1ea3ng qu\u1ea3n l\u00fd c\u01b0 d\u00e2n.<\/li>\n<\/ul>\n<p>Do \u0111\u00f3, khi thi\u1ebft k\u1ebf n\u00ean d\u1ef1 ph\u00f2ng t\u1ed1i thi\u1ec3u 30% \u0111\u1ebfn 50% v\u1ec1:<\/p>\n<ul>\n<li>S\u1ed1 c\u1ed5ng switch.<\/li>\n<li>Dung l\u01b0\u1ee3ng t\u1ee7 rack.<\/li>\n<li>S\u1ed1 core c\u00e1p quang.<\/li>\n<li>Dung l\u01b0\u1ee3ng uplink.<\/li>\n<li>Kh\u00f4ng gian \u0111\u1ecba ch\u1ec9 IP.<\/li>\n<li>PoE Budget.<\/li>\n<li>Dung l\u01b0\u1ee3ng ngu\u1ed3n UPS.<\/li>\n<\/ul>\n<h3>T\u00ednh to\u00e1n b\u0103ng th\u00f4ng camera ngay t\u1eeb \u0111\u1ea7u<\/h3>\n<p>Camera l\u00e0 h\u1ec7 th\u1ed1ng ti\u00eau t\u1ed1n b\u0103ng th\u00f4ng l\u1edbn nh\u1ea5t trong m\u1ea1ng ELV.<\/p>\n<p>Khi thi\u1ebft k\u1ebf c\u1ea7n t\u00ednh theo:<\/p>\n<ul>\n<li>S\u1ed1 l\u01b0\u1ee3ng camera.<\/li>\n<li>\u0110\u1ed9 ph\u00e2n gi\u1ea3i.<\/li>\n<li>Chu\u1ea9n n\u00e9n H.264 ho\u1eb7c H.265.<\/li>\n<li>S\u1ed1 khung h\u00ecnh m\u1ed7i gi\u00e2y.<\/li>\n<li>Ch\u1ebf \u0111\u1ed9 ghi h\u00ecnh li\u00ean t\u1ee5c hay theo s\u1ef1 ki\u1ec7n.<\/li>\n<li>L\u01b0u l\u01b0\u1ee3ng t\u1eeb camera v\u1ec1 NVR.<\/li>\n<li>L\u01b0u l\u01b0\u1ee3ng xem tr\u1ef1c ti\u1ebfp t\u1eeb m\u00e1y tr\u1ea1m.<\/li>\n<\/ul>\n<p>N\u1ebfu kh\u00f4ng t\u00ednh to\u00e1n, uplink t\u1eeb t\u1ea7ng v\u1ec1 Core c\u00f3 th\u1ec3 b\u1ecb qu\u00e1 t\u1ea3i, g\u00e2y hi\u1ec7n t\u01b0\u1ee3ng gi\u1eadt h\u00ecnh, m\u1ea5t khung h\u00ecnh ho\u1eb7c m\u1ea5t k\u1ebft n\u1ed1i camera.<\/p>\n<h3>Qu\u1ea3n l\u00fd \u0111\u1ecba ch\u1ec9 IP theo khu v\u1ef1c<\/h3>\n<p>\u0110\u1ecba ch\u1ec9 IP n\u00ean \u0111\u01b0\u1ee3c quy ho\u1ea1ch r\u00f5 r\u00e0ng theo h\u1ec7 th\u1ed1ng v\u00e0 khu v\u1ef1c.<\/p>\n<p>V\u00ed d\u1ee5:<\/p>\n<ul>\n<li>Camera t\u1ea7ng 1 d\u00f9ng d\u1ea3i IP ri\u00eang.<\/li>\n<li>Camera t\u1ea7ng h\u1ea7m d\u00f9ng d\u1ea3i IP ri\u00eang.<\/li>\n<li>Access Control d\u00f9ng d\u1ea3i IP ri\u00eang.<\/li>\n<li>BMS d\u00f9ng d\u1ea3i IP ri\u00eang.<\/li>\n<li>Server v\u00e0 NVR d\u00f9ng d\u1ea3i IP ri\u00eang.<\/li>\n<\/ul>\n<p>Vi\u1ec7c quy ho\u1ea1ch IP t\u1ed1t gi\u00fap \u0111\u1ed9i v\u1eadn h\u00e0nh d\u1ec5 nh\u1eadn bi\u1ebft thi\u1ebft b\u1ecb, d\u1ec5 x\u1eed l\u00fd s\u1ef1 c\u1ed1 v\u00e0 tr\u00e1nh tr\u00f9ng \u0111\u1ecba ch\u1ec9 IP.<\/p>\n<h3>Chu\u1ea9n h\u00f3a c\u00e1ch \u0111\u1eb7t t\u00ean thi\u1ebft b\u1ecb<\/h3>\n<p>T\u00ean thi\u1ebft b\u1ecb n\u00ean th\u1ec3 hi\u1ec7n r\u00f5 v\u1ecb tr\u00ed v\u00e0 ch\u1ee9c n\u0103ng.<\/p>\n<p>V\u00ed d\u1ee5:<\/p>\n<ul>\n<li>SW-IDF-T05-01: Switch IDF t\u1ea7ng 5.<\/li>\n<li>CAM-B1-PARK-012: Camera h\u1ea7m B1 khu v\u1ef1c \u0111\u1ed7 xe.<\/li>\n<li>AP-Lobby-01: Access Point s\u1ea3nh ch\u00ednh.<\/li>\n<li>ACS-TowerA-Lift-01: Thi\u1ebft b\u1ecb Access Control thang m\u00e1y t\u00f2a A.<\/li>\n<\/ul>\n<p>C\u00e1ch \u0111\u1eb7t t\u00ean th\u1ed1ng nh\u1ea5t gi\u00fap v\u1eadn h\u00e0nh chuy\u00ean nghi\u1ec7p h\u01a1n v\u00e0 gi\u1ea3m nh\u1ea7m l\u1eabn khi x\u1eed l\u00fd s\u1ef1 c\u1ed1.<\/p>\n<p>Thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng m\u1ea1ng LAN cho chung c\u01b0 kh\u00f4ng ch\u1ec9 l\u00e0 l\u1ef1a ch\u1ecdn switch v\u00e0 k\u00e9o c\u00e1p m\u1ea1ng. \u0110\u00e2y l\u00e0 qu\u00e1 tr\u00ecnh thi\u1ebft k\u1ebf m\u1ed9t h\u1ea1 t\u1ea7ng truy\u1ec1n d\u1eabn \u1ed5n \u0111\u1ecbnh, an to\u00e0n v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng cho to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng \u0111i\u1ec7n nh\u1eb9 c\u1ee7a t\u00f2a nh\u00e0.<\/p>\n<p>M\u1ed9t ki\u1ebfn tr\u00fac m\u1ea1ng t\u1ed1t c\u1ea7n c\u00f3 Core Network m\u1ea1nh, ph\u00e2n l\u1edbp r\u00f5 r\u00e0ng, uplink quang \u0111\u1ee7 b\u0103ng th\u00f4ng, VLAN \u0111\u01b0\u1ee3c quy ho\u1ea1ch ch\u1eb7t ch\u1ebd v\u00e0 kh\u1ea3 n\u0103ng d\u1ef1 ph\u00f2ng cho c\u00e1c tuy\u1ebfn quan tr\u1ecdng.<\/p>\n<p>V\u1edbi kinh nghi\u1ec7m tri\u1ec3n khai th\u1ef1c t\u1ebf, VinaSTech khuy\u1ebfn ngh\u1ecb c\u00e1c ch\u1ee7 \u0111\u1ea7u t\u01b0 n\u00ean thi\u1ebft k\u1ebf h\u1ec7 th\u1ed1ng m\u1ea1ng LAN ngay t\u1eeb giai \u0111o\u1ea1n \u0111\u1ea7u c\u1ee7a d\u1ef1 \u00e1n, \u0111\u1ed3ng b\u1ed9 v\u1edbi h\u1ec7 th\u1ed1ng camera, Access Control, BMS v\u00e0 c\u00e1c n\u1ec1n t\u1ea3ng Smart Building. \u0110i\u1ec1u n\u00e0y gi\u00fap gi\u1ea3m chi ph\u00ed c\u1ea3i t\u1ea1o, n\u00e2ng cao t\u00ednh \u1ed5n \u0111\u1ecbnh v\u00e0 t\u1ea1o n\u1ec1n t\u1ea3ng c\u00f4ng ngh\u1ec7 b\u1ec1n v\u1eefng cho to\u00e0n b\u1ed9 t\u00f2a nh\u00e0.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Trong h\u1ec7 th\u1ed1ng \u0111i\u1ec7n nh\u1eb9 c\u1ee7a m\u1ed9t t\u00f2a nh\u00e0 chung c\u01b0, m\u1ea1ng LAN l\u00e0 h\u1ea1 t\u1ea7ng l\u00f5i \u0111\u1ec3 k\u1ebft n\u1ed1i v\u00e0 truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u cho h\u1ea7u h\u1ebft c\u00e1c h\u1ec7 th\u1ed1ng c\u00f4ng ngh\u1ec7 nh\u01b0 camera IP, Wifi, ki\u1ec3m so\u00e1t ra v\u00e0o, Intercom, BMS, b\u00e3i \u0111\u1ed7 xe th\u00f4ng minh, h\u1ec7 th\u1ed1ng qu\u1ea3n l\u00fd c\u01b0 d\u00e2n v\u00e0 c\u00e1c n\u1ec1n t\u1ea3ng Smart Building.<\/p>\n","protected":false},"author":1,"featured_media":47455,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-47451","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-khong-phan-loai"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ 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