{"id":2070,"date":"2025-07-10T09:31:00","date_gmt":"2025-07-10T02:31:00","guid":{"rendered":"https:\/\/idc.metaserv.vn\/?p=2070"},"modified":"2025-07-21T14:06:16","modified_gmt":"2025-07-21T07:06:16","slug":"10-sai-lam-khi-lua-chon-switch-p1","status":"publish","type":"post","link":"https:\/\/idc.metaserv.vn\/en\/2025\/07\/10\/10-sai-lam-khi-lua-chon-switch-p1\/","title":{"rendered":"10 L\u1ed7i Nghi\u00eam Tr\u1ecdng Th\u01b0\u1eddng G\u1eb7p Khi L\u1ef1a Ch\u1ecdn Switch Cho Doanh Nghi\u1ec7p (P1)"},"content":{"rendered":"

Trong \u0111\u00f3, switch m\u1ea1ng l\u00e0 thi\u1ebft b\u1ecb thi\u1ebft y\u1ebfu, \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u su\u1ea5t, t\u00ednh \u1ed5n \u0111\u1ecbnh v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng c\u1ee7a to\u00e0n b\u1ed9 h\u1ea1 t\u1ea7ng CNTT. Tuy nhi\u00ean, tr\u00ean th\u1ef1c t\u1ebf, nhi\u1ec1u doanh nghi\u1ec7p khi l\u1ef1a ch\u1ecdn switch th\u01b0\u1eddng m\u1eafc ph\u1ea3i nh\u1eefng sai l\u1ea7m t\u01b0\u1edfng ch\u1eebng nh\u1ecf, nh\u01b0ng h\u1eadu qu\u1ea3 l\u1ea1i kh\u00f4ng h\u1ec1 nh\u1ecf: gi\u00e1n \u0111o\u1ea1n ho\u1ea1t \u0111\u1ed9ng, ph\u00e1t sinh chi ph\u00ed, th\u1eadm ch\u00ed \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn an to\u00e0n th\u00f4ng tin. B\u00e0i vi\u1ebft d\u01b0\u1edbi \u0111\u00e2y t\u1ed5ng h\u1ee3p 10 l\u1ed7i ph\u1ed5 bi\u1ebfn khi l\u1ef1a ch\u1ecdn switch cho doanh nghi\u1ec7p<\/strong>, c\u00f9ng gi\u1ea3i ph\u00e1p th\u1ef1c ti\u1ec5n, gi\u00fap qu\u00fd doanh nghi\u1ec7p ra quy\u1ebft \u0111\u1ecbnh ch\u00ednh x\u00e1c v\u00e0 hi\u1ec7u qu\u1ea3 h\u01a1n trong \u0111\u1ea7u t\u01b0 h\u1ea1 t\u1ea7ng m\u1ea1ng.<\/p>\n\n\n\n

1. Kh\u00f4ng d\u1ef1 ph\u00f2ng s\u1ed1 l\u01b0\u1ee3ng c\u1ed5ng k\u1ebft n\u1ed1i<\/h2>\n\n\n\n

Khi l\u1ef1a ch\u1ecdn switch cho doanh nghi\u1ec7p<\/strong>, nhi\u1ec1u \u0111\u01a1n v\u1ecb th\u01b0\u1eddng ch\u1ec9 t\u00ednh to\u00e1n s\u1ed1 c\u1ed5ng t\u01b0\u01a1ng \u1ee9ng v\u1edbi s\u1ed1 thi\u1ebft b\u1ecb \u0111ang s\u1eed d\u1ee5ng. V\u00ed d\u1ee5, v\u1edbi kho\u1ea3ng 20 thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i, doanh nghi\u1ec7p c\u00f3 xu h\u01b0\u1edbng ch\u1ecdn switch 24 c\u1ed5ng v\u00ec cho r\u1eb1ng nh\u01b0 v\u1eady l\u00e0 \u0111\u1ee7 d\u00f9ng. Tuy nhi\u00ean, c\u00e1ch l\u00e0m n\u00e0y b\u1ecf qua y\u1ebfu t\u1ed1 m\u1edf r\u1ed9ng trong t\u01b0\u01a1ng lai, n\u01a1i m\u00e0 c\u00e1c thi\u1ebft b\u1ecb nh\u01b0 m\u00e1y in m\u1ea1ng, camera IP, access point Wi-Fi hay thi\u1ebft b\u1ecb IoT c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c b\u1ed5 sung th\u00eam b\u1ea5t c\u1ee9 l\u00fac n\u00e0o.<\/p>\n\n\n\n

Vi\u1ec7c kh\u00f4ng d\u1ef1 tr\u00f9 s\u1ed1 l\u01b0\u1ee3ng c\u1ed5ng s\u1ebd d\u1eabn \u0111\u1ebfn t\u00ecnh tr\u1ea1ng qu\u00e1 t\u1ea3i, bu\u1ed9c doanh nghi\u1ec7p ph\u1ea3i mua th\u00eam switch \u0111\u1ec3 b\u1ed5 sung, l\u00e0m t\u0103ng chi ph\u00ed \u0111\u1ea7u t\u01b0 v\u00e0 khi\u1ebfn h\u1ec7 th\u1ed1ng m\u1ea1ng tr\u1edf n\u00ean ph\u1ee9c t\u1ea1p h\u01a1n do ph\u1ea3i c\u1ea5u h\u00ecnh nhi\u1ec1u thi\u1ebft b\u1ecb \u0111\u1ed9c l\u1eadp.<\/p>\n\n\n\n

\n
\n
\"X\u00e1c
X\u00e1c \u0111\u1ecbnh \u0111\u00fang s\u1ed1 c\u1ed5ng l\u00e0 \u0111i\u1ec1u n\u00ean l\u00e0m khi l\u1ef1a ch\u1ecdn switch<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n

\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh linh ho\u1ea1t v\u00e0 ti\u1ebft ki\u1ec7m l\u00e2u d\u00e0i, khi l\u1ef1a ch\u1ecdn switch cho doanh nghi\u1ec7p, n\u00ean d\u1ef1 ph\u00f2ng kho\u1ea3ng 30\u201350% s\u1ed1 c\u1ed5ng so v\u1edbi nhu c\u1ea7u th\u1ef1c t\u1ebf. Ch\u1eb3ng h\u1ea1n, n\u1ebfu hi\u1ec7n t\u1ea1i c\u00f3 20 thi\u1ebft b\u1ecb, l\u1ef1a ch\u1ecdn ph\u00f9 h\u1ee3p s\u1ebd l\u00e0 switch t\u1eeb 24 \u0111\u1ebfn 48 c\u1ed5ng. \u0110\u1ed3ng th\u1eddi, c\u00f3 th\u1ec3 ph\u00e2n b\u1ed5 thi\u1ebft b\u1ecb cho c\u00e1c switch nh\u1ecf ri\u00eang bi\u1ec7t t\u1ea1i khu v\u1ef1c \u00edt ng\u01b0\u1eddi s\u1eed d\u1ee5ng nh\u01b0 ph\u00f2ng h\u1ecdp, gi\u00fap duy tr\u00ec s\u1ef1 \u1ed5n \u0111\u1ecbnh v\u00e0 d\u00e0nh c\u1ed5ng tr\u1ed1ng tr\u00ean switch ch\u00ednh cho c\u00e1c nhu c\u1ea7u ph\u00e1t sinh quan tr\u1ecdng.<\/p>\n\n\n\n

2. B\u1ecf qua t\u1ed1c \u0111\u1ed9 Uplink<\/h2>\n\n\n\n

M\u1ed9t sai s\u00f3t k\u1ef9 thu\u1eadt th\u01b0\u1eddng g\u1eb7p khi l\u1ef1a ch\u1ecdn switch<\/strong> cho h\u1ec7 th\u1ed1ng m\u1ea1ng doanh nghi\u1ec7p l\u00e0 ch\u1ec9 t\u1eadp trung v\u00e0o t\u1ed1c \u0111\u1ed9 c\u1ee7a c\u00e1c c\u1ed5ng truy c\u1eadp (access port), v\u1ed1n ch\u1ee7 y\u1ebfu ph\u1ee5c v\u1ee5 k\u1ebft n\u1ed1i \u0111\u1ebfn m\u00e1y t\u00ednh v\u00e0 thi\u1ebft b\u1ecb \u0111\u1ea7u cu\u1ed1i v\u1edbi t\u1ed1c \u0111\u1ed9 ph\u1ed5 bi\u1ebfn 1Gbps. Trong khi \u0111\u00f3, y\u1ebfu t\u1ed1 then ch\u1ed1t l\u00e0 t\u1ed1c \u0111\u1ed9 uplink \u2013 t\u1ee9c kh\u1ea3 n\u0103ng truy\u1ec1n d\u1eef li\u1ec7u gi\u1eefa c\u00e1c switch ho\u1eb7c gi\u1eefa switch v\u1edbi router\/firewall \u2013 l\u1ea1i th\u01b0\u1eddng b\u1ecb xem nh\u1eb9 ho\u1eb7c b\u1ecf qua ho\u00e0n to\u00e0n.<\/p>\n\n\n\n

H\u1ec7 qu\u1ea3 c\u1ee7a vi\u1ec7c kh\u00f4ng \u0111\u1ea3m b\u1ea3o b\u0103ng th\u00f4ng uplink l\u00e0 hi\u1ec7n t\u01b0\u1ee3ng \u201cngh\u1ebdn c\u1ed5 chai\u201d, x\u1ea3y ra khi l\u01b0\u1ee3ng l\u1edbn d\u1eef li\u1ec7u t\u1eeb nhi\u1ec1u thi\u1ebft b\u1ecb b\u1ecb d\u1ed3n l\u00ean m\u1ed9t k\u1ebft n\u1ed1i t\u1ed1c \u0111\u1ed9 th\u1ea5p, g\u00e2y ch\u1eadm tr\u1ec5 trong truy c\u1eadp internet, d\u1ecbch v\u1ee5 n\u1ed9i b\u1ed9 ho\u1eb7c truy\u1ec1n t\u1ea3i file gi\u1eefa c\u00e1c ph\u00e2n \u0111o\u1ea1n m\u1ea1ng.<\/p>\n\n\n\n

Khi l\u1ef1a ch\u1ecdn switch<\/strong>, doanh nghi\u1ec7p n\u00ean \u01b0u ti\u00ean c\u00e1c thi\u1ebft b\u1ecb \u0111\u01b0\u1ee3c trang b\u1ecb \u00edt nh\u1ea5t 1\u20132 c\u1ed5ng uplink t\u1ed1c \u0111\u1ed9 cao, nh\u01b0 SFP ho\u1eb7c SFP+ (1Gbps\/10Gbps), \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o hi\u1ec7u n\u0103ng k\u1ebft n\u1ed1i gi\u1eefa c\u00e1c t\u1ea7ng m\u1ea1ng. Trong tr\u01b0\u1eddng h\u1ee3p kh\u00f4ng c\u00f3 c\u1ed5ng quang, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng k\u1ef9 thu\u1eadt g\u1ed9p b\u0103ng th\u00f4ng (Link Aggregation \u2013 LACP) b\u1eb1ng c\u00e1ch k\u1ebft h\u1ee3p 2 \u0111\u1ebfn 4 c\u1ed5ng Ethernet 1Gbps th\u00e0nh m\u1ed9t k\u00eanh uplink c\u00f3 t\u1ed1c \u0111\u1ed9 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng 2\u20134Gbps. C\u1ea5u h\u00ecnh \u0111\u00fang uplink kh\u00f4ng ch\u1ec9 n\u00e2ng cao hi\u1ec7u su\u1ea5t t\u1ed5ng th\u1ec3 m\u00e0 c\u00f2n gi\u00fap h\u1ea1 t\u1ea7ng m\u1ea1ng doanh nghi\u1ec7p v\u1eadn h\u00e0nh \u1ed5n \u0111\u1ecbnh, \u0111\u00e1p \u1ee9ng t\u1ed1t nhu c\u1ea7u ng\u00e0y c\u00e0ng t\u0103ng v\u1ec1 l\u01b0u l\u01b0\u1ee3ng d\u1eef li\u1ec7u.<\/p>\n\n\n\n

3. Kh\u00f4ng ph\u00e2n bi\u1ec7t gi\u1eefa Managed v\u00e0 Unmanaged Switch<\/h2>\n\n\n\n

M\u1ed9t sai l\u1ea7m \u0111\u00e1ng l\u01b0u \u00fd khi l\u1ef1a ch\u1ecdn switch<\/strong> cho doanh nghi\u1ec7p l\u00e0 kh\u00f4ng ph\u00e2n bi\u1ec7t r\u00f5 gi\u1eefa hai lo\u1ea1i switch: Managed v\u00e0 Unmanaged. Nhi\u1ec1u h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c tri\u1ec3n khai ho\u00e0n to\u00e0n b\u1eb1ng switch kh\u00f4ng qu\u1ea3n l\u00fd (Unmanaged), xu\u1ea5t ph\u00e1t t\u1eeb mong mu\u1ed1n \u0111\u01a1n gi\u1ea3n h\u00f3a v\u1eadn h\u00e0nh ho\u1eb7c gi\u1ea3m chi ph\u00ed \u0111\u1ea7u t\u01b0 ban \u0111\u1ea7u. Tuy nhi\u00ean, \u0111i\u1ec1u n\u00e0y c\u00f3 th\u1ec3 d\u1eabn \u0111\u1ebfn nhi\u1ec1u gi\u1edbi h\u1ea1n v\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt v\u00e0 qu\u1ea3n tr\u1ecb m\u1ea1ng.<\/p>\n\n\n\n

Unmanaged switch tuy d\u1ec5 s\u1eed d\u1ee5ng nh\u01b0ng l\u1ea1i thi\u1ebfu ho\u00e0n to\u00e0n c\u00e1c t\u00ednh n\u0103ng quan tr\u1ecdng nh\u01b0 t\u1ea1o VLAN \u0111\u1ec3 ph\u00e2n t\u00e1ch m\u1ea1ng, \u01b0u ti\u00ean l\u01b0u l\u01b0\u1ee3ng (QoS), ph\u00e1t hi\u1ec7n v\u00f2ng l\u1eb7p m\u1ea1ng (Spanning Tree), ho\u1eb7c h\u1ed7 tr\u1ee3 x\u1eed l\u00fd s\u1ef1 c\u1ed1 t\u1eeb xa. Nh\u1eefng thi\u1ebfu s\u00f3t n\u00e0y khi\u1ebfn doanh nghi\u1ec7p kh\u00f3 ki\u1ec3m so\u00e1t lu\u1ed3ng d\u1eef li\u1ec7u, ti\u1ec1m \u1ea9n r\u1ee7i ro b\u1ea3o m\u1eadt v\u00e0 d\u1ec5 g\u1eb7p s\u1ef1 c\u1ed1 khi m\u1edf r\u1ed9ng h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n

C\u1eadp nh\u1eadt b\u1ea3o m\u1eadt h\u1ec7 th\u1ed1ng t\u1eeb Cisco<\/em><\/a><\/p>\n\n\n\n

\u0110\u1ed1i v\u1edbi t\u1ea7ng l\u00f5i (Core Layer) ho\u1eb7c c\u00e1c \u0111i\u1ec3m k\u1ebft n\u1ed1i ch\u00ednh nh\u01b0 switch ph\u00f2ng ban, n\u00ean \u01b0u ti\u00ean s\u1eed d\u1ee5ng Managed Switch \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng c\u1ea5u h\u00ecnh, gi\u00e1m s\u00e1t v\u00e0 ph\u00e2n quy\u1ec1n m\u1ea1ng hi\u1ec7u qu\u1ea3. Trong khi \u0111\u00f3, t\u1ea1i c\u00e1c khu v\u1ef1c nh\u1ecf, \u00edt thi\u1ebft b\u1ecb nh\u01b0 ph\u00f2ng h\u1ecdp t\u1eeb 3\u20134 c\u1ed5ng tr\u1edf xu\u1ed1ng, doanh nghi\u1ec7p c\u00f3 th\u1ec3 c\u00e2n nh\u1eafc d\u00f9ng Unmanaged Switch \u0111\u1ec3 ti\u1ebft ki\u1ec7m chi ph\u00ed m\u00e0 v\u1eabn \u0111\u1ea3m b\u1ea3o hi\u1ec7u qu\u1ea3 v\u1eadn h\u00e0nh. S\u1ef1 l\u1ef1a ch\u1ecdn \u0111\u00fang \u0111\u1eafn gi\u1eefa hai lo\u1ea1i switch s\u1ebd gi\u00fap h\u1ec7 th\u1ed1ng m\u1ea1ng v\u1eadn h\u00e0nh \u1ed5n \u0111\u1ecbnh, linh ho\u1ea1t v\u00e0 d\u1ec5 qu\u1ea3n l\u00fd trong d\u00e0i h\u1ea1n.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

4. T\u00ednh sai nhu c\u1ea7u c\u1ea5p ngu\u1ed3n PoE (Power over Ethernet)<\/h2>\n\n\n\n

Trong qu\u00e1 tr\u00ecnh l\u1ef1a ch\u1ecdn switch<\/strong> cho doanh nghi\u1ec7p, vi\u1ec7c \u0111\u00e1nh gi\u00e1 kh\u00f4ng ch\u00ednh x\u00e1c nhu c\u1ea7u c\u1ea5p ngu\u1ed3n qua c\u00e1p m\u1ea1ng (PoE) l\u00e0 m\u1ed9t l\u1ed7i th\u01b0\u1eddng g\u1eb7p, \u0111\u1eb7c bi\u1ec7t khi tri\u1ec3n khai c\u00e1c thi\u1ebft b\u1ecb nh\u01b0 \u0111i\u1ec7n tho\u1ea1i IP, camera gi\u00e1m s\u00e1t, access point Wi-Fi ho\u1eb7c thi\u1ebft b\u1ecb IoT. Nhi\u1ec1u doanh nghi\u1ec7p ch\u1ec9 ch\u00fa \u00fd \u0111\u1ebfn s\u1ed1 l\u01b0\u1ee3ng c\u1ed5ng PoE m\u00e0 b\u1ecf qua y\u1ebfu t\u1ed1 quan tr\u1ecdng h\u01a1n: t\u1ed5ng c\u00f4ng su\u1ea5t c\u1ea5p ngu\u1ed3n (PoE Budget) c\u1ee7a switch c\u0169ng nh\u01b0 m\u1ee9c ti\u00eau th\u1ee5 th\u1ef1c t\u1ebf c\u1ee7a t\u1eebng thi\u1ebft b\u1ecb k\u1ebft n\u1ed1i.<\/p>\n\n\n\n

H\u1eadu qu\u1ea3 l\u00e0 switch kh\u00f4ng \u0111\u1ee7 kh\u1ea3 n\u0103ng cung c\u1ea5p ngu\u1ed3n \u0111\u1ed3ng th\u1eddi cho t\u1ea5t c\u1ea3 thi\u1ebft b\u1ecb, d\u1eabn \u0111\u1ebfn hi\u1ec7n t\u01b0\u1ee3ng m\u1ea5t k\u1ebft n\u1ed1i, ho\u1ea1t \u0111\u1ed9ng ch\u1eadp ch\u1eddn ho\u1eb7c th\u1eadm ch\u00ed kh\u00f4ng th\u1ec3 kh\u1edfi \u0111\u1ed9ng thi\u1ebft b\u1ecb \u1edf c\u00e1c c\u1ed5ng cu\u1ed1i. \u0110i\u1ec1u n\u00e0y kh\u00f4ng ch\u1ec9 \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn hi\u1ec7u su\u1ea5t m\u00e0 c\u00f2n g\u00e2y gi\u00e1n \u0111o\u1ea1n v\u1eadn h\u00e0nh.<\/p>\n\n\n\n

\u0110\u1ec3 \u0111\u1ea3m b\u1ea3o t\u00ednh \u1ed5n \u0111\u1ecbnh v\u00e0 ph\u00f9 h\u1ee3p v\u1ec1 m\u1eb7t k\u1ef9 thu\u1eadt, khi l\u1ef1a ch\u1ecdn switch h\u1ed7 tr\u1ee3 PoE, doanh nghi\u1ec7p c\u1ea7n c\u1ed9ng d\u1ed3n c\u00f4ng su\u1ea5t ti\u00eau th\u1ee5 t\u1ed1i \u0111a c\u1ee7a t\u1ea5t c\u1ea3 thi\u1ebft b\u1ecb d\u1ef1 ki\u1ebfn k\u1ebft n\u1ed1i. V\u00ed d\u1ee5, 10 access point Wi-Fi ti\u00eau th\u1ee5 12W m\u1ed7i thi\u1ebft b\u1ecb s\u1ebd c\u1ea7n t\u1ed5ng c\u00f4ng su\u1ea5t 120W. Switch ph\u00f9 h\u1ee3p trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y n\u00ean c\u00f3 PoE Budget t\u1ed1i thi\u1ec3u t\u1eeb 150W tr\u1edf l\u00ean, t\u1ee9c d\u1ef1 ph\u00f2ng kho\u1ea3ng 20\u201330% so v\u1edbi t\u1ed5ng nhu c\u1ea7u.<\/p>\n\n\n\n

B\u00ean c\u1ea1nh \u0111\u00f3, c\u1ea7n l\u01b0u \u00fd \u0111\u1ebfn c\u00e1c chu\u1ea9n PoE m\u00e0 switch h\u1ed7 tr\u1ee3, bao g\u1ed3m PoE (802.3af \u2013 kho\u1ea3ng 15.4W\/c\u1ed5ng), PoE+ (802.3at \u2013 kho\u1ea3ng 30W\/c\u1ed5ng), v\u00e0 PoE++ (802.3bt \u2013 60W \u0111\u1ebfn 90W\/c\u1ed5ng), \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o t\u01b0\u01a1ng th\u00edch v\u1edbi thi\u1ebft b\u1ecb hi\u1ec7n t\u1ea1i v\u00e0 trong t\u01b0\u01a1ng lai.<\/p>\n\n\n\n

5. Kh\u00f4ng l\u1eadp k\u1ebf ho\u1ea1ch VLAN ngay t\u1eeb \u0111\u1ea7u<\/h2>\n\n\n\n

M\u1ed9t sai l\u1ea7m nghi\u00eam tr\u1ecdng trong qu\u00e1 tr\u00ecnh l\u1ef1a ch\u1ecdn switch<\/strong> cho doanh nghi\u1ec7p l\u00e0 kh\u00f4ng thi\u1ebft l\u1eadp k\u1ebf ho\u1ea1ch ph\u00e2n t\u00e1ch m\u1ea1ng n\u1ed9i b\u1ed9 (VLAN) m\u1ed9t c\u00e1ch b\u00e0i b\u1ea3n. Vi\u1ec7c \u0111\u01b0a t\u1ea5t c\u1ea3 thi\u1ebft b\u1ecb\u2014bao g\u1ed3m m\u00e1y t\u00ednh, m\u00e1y in, camera gi\u00e1m s\u00e1t, thi\u1ebft b\u1ecb IoT, v\u00e0 h\u1ec7 th\u1ed1ng Wi-Fi\u2014v\u00e0o chung m\u1ed9t m\u1ea1ng LAN t\u01b0\u1edfng ch\u1eebng \u0111\u01a1n gi\u1ea3n nh\u01b0ng l\u1ea1i ti\u1ec1m \u1ea9n nhi\u1ec1u r\u1ee7i ro v\u1ec1 b\u1ea3o m\u1eadt v\u00e0 hi\u1ec7u n\u0103ng.<\/p>\n\n\n\n

5 ti\u00eau ch\u00ed l\u1ef1a ch\u1ecdn switch m\u1ea1ng cho v\u0103n ph\u00f2ng d\u01b0\u1edbi 100 thi\u1ebft b\u1ecb<\/em><\/a><\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

M\u1ea1ng d\u00f9ng chung d\u1ec5 tr\u1edf th\u00e0nh m\u00f4i tr\u01b0\u1eddng l\u00fd t\u01b0\u1edfng cho vi\u1ec7c ph\u00e1t t\u00e1n m\u00e3 \u0111\u1ed9c, truy c\u1eadp tr\u00e1i ph\u00e9p ho\u1eb7c khai th\u00e1c l\u1ed7 h\u1ed5ng t\u1eeb c\u00e1c thi\u1ebft b\u1ecb kh\u00f4ng \u0111\u01b0\u1ee3c ki\u1ec3m so\u00e1t. Ngo\u00e0i ra, broadcast traffic t\u1eeb nhi\u1ec1u nh\u00f3m thi\u1ebft b\u1ecb kh\u00e1c nhau c\u00f3 th\u1ec3 g\u00e2y ngh\u1ebdn b\u0103ng th\u00f4ng, l\u00e0m gi\u1ea3m hi\u1ec7u su\u1ea5t truy c\u1eadp trong to\u00e0n h\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n

\u0110\u1ec3 b\u1ea3o v\u1ec7 h\u1ea1 t\u1ea7ng m\u1ea1ng v\u00e0 t\u1ed1i \u01b0u hi\u1ec7u qu\u1ea3 v\u1eadn h\u00e0nh, doanh nghi\u1ec7p c\u1ea7n s\u1eed d\u1ee5ng Managed Switch \u2013 lo\u1ea1i switch cho ph\u00e9p t\u1ea1o v\u00e0 qu\u1ea3n l\u00fd VLAN. C\u00e1c VLAN n\u00ean \u0111\u01b0\u1ee3c ph\u00e2n chia theo ch\u1ee9c n\u0103ng ho\u1eb7c lo\u1ea1i thi\u1ebft b\u1ecb, ch\u1eb3ng h\u1ea1n: VLAN cho m\u00e1y t\u00ednh nh\u00e2n vi\u00ean, VLAN cho m\u00e1y in v\u0103n ph\u00f2ng, VLAN ri\u00eang cho h\u1ec7 th\u1ed1ng camera gi\u00e1m s\u00e1t, v\u00e0 VLAN cho Wi-Fi d\u00e0nh cho kh\u00e1ch.<\/p>\n\n\n\n

\u0110\u1ed3ng th\u1eddi, c\u1ea7n c\u1ea5u h\u00ecnh router ho\u1eb7c firewall \u1edf ch\u1ebf \u0111\u1ed9 Router-on-a-Stick \u0111\u1ec3 \u0111\u00f3ng vai tr\u00f2 c\u1ed5ng giao ti\u1ebfp gi\u1eefa c\u00e1c VLAN, \u0111\u1ea3m b\u1ea3o ki\u1ec3m so\u00e1t l\u01b0u l\u01b0\u1ee3ng v\u00e0 duy tr\u00ec t\u00ednh b\u1ea3o m\u1eadt gi\u1eefa c\u00e1c ph\u00e2n v\u00f9ng m\u1ea1ng. Vi\u1ec7c n\u00e0y kh\u00f4ng ch\u1ec9 gi\u00fap h\u1ec7 th\u1ed1ng m\u1ea1ng doanh nghi\u1ec7p v\u1eadn h\u00e0nh m\u01b0\u1ee3t m\u00e0 m\u00e0 c\u00f2n n\u00e2ng cao kh\u1ea3 n\u0103ng ki\u1ec3m so\u00e1t v\u00e0 gi\u00e1m s\u00e1t to\u00e0n di\u1ec7n.<\/p>\n\n\n\n

Vi\u1ec7c l\u1ef1a ch\u1ecdn switch cho doanh nghi\u1ec7p<\/strong> kh\u00f4ng ch\u1ec9 l\u00e0 m\u1ed9t quy\u1ebft \u0111\u1ecbnh k\u1ef9 thu\u1eadt \u0111\u01a1n l\u1ebb, m\u00e0 c\u00f2n l\u00e0 y\u1ebfu t\u1ed1 then ch\u1ed1t \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u qu\u1ea3 v\u1eadn h\u00e0nh, t\u00ednh b\u1ea3o m\u1eadt v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng c\u1ee7a to\u00e0n b\u1ed9 h\u1ec7 th\u1ed1ng m\u1ea1ng. M\u01b0\u1eddi l\u1ed7i ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c ph\u00e2n t\u00edch trong b\u00e0i vi\u1ebft l\u00e0 nh\u1eefng sai s\u00f3t m\u00e0 nhi\u1ec1u doanh nghi\u1ec7p th\u01b0\u1eddng ch\u1ee7 quan b\u1ecf qua, d\u1eabn \u0111\u1ebfn h\u1eadu qu\u1ea3 \u0111\u00e1ng ti\u1ebfc v\u1ec1 sau. Metaserv hy v\u1ecdng r\u1eb1ng nh\u1eefng chia s\u1ebb n\u00e0y s\u1ebd gi\u00fap qu\u00fd doanh nghi\u1ec7p c\u00f3 th\u00eam g\u00f3c nh\u00ecn th\u1ef1c ti\u1ec5n v\u00e0 \u0111\u01b0a ra quy\u1ebft \u0111\u1ecbnh \u0111\u1ea7u t\u01b0 \u0111\u00fang \u0111\u1eafn, b\u1ec1n v\u1eefng.<\/p>\n\n\n\n

\u0110\u1eebng b\u1ecf l\u1ee1 ph\u1ea7n 2 – ch\u00fang t\u00f4i s\u1ebd ti\u1ebfp t\u1ee5c ph\u00e2n t\u00edch c\u00e1c l\u1ed7i th\u01b0\u1eddng g\u1eb7p kh\u00e1c v\u00e0 gi\u1ea3i ph\u00e1p tri\u1ec3n khai hi\u1ec7u qu\u1ea3 trong vi\u1ec7c l\u1ef1a ch\u1ecdn switch!<\/p>\n\n\n\n

\n\n\n\n

C\u00f4ng ty TNHH METASERV<\/strong>
Email: sales@metaserv.vn
Hotline: \u202d096 308 7773\u202c | 1800 558 820
Thi ch\u1ee9ng ch\u1ec9: 028 3933 8888
\u0110\u1ecba ch\u1ec9: 287B \u0110i\u1ec7n Bi\u00ean Ph\u1ee7, Ph\u01b0\u1eddng Xu\u00e2n H\u00f2a, TP. H\u1ed3 Ch\u00ed Minh
Fanpage:\u00a0IDC METASERV<\/a><\/p>","protected":false},"excerpt":{"rendered":"

Trong \u0111\u00f3, switch m\u1ea1ng l\u00e0 thi\u1ebft b\u1ecb thi\u1ebft y\u1ebfu, \u1ea3nh h\u01b0\u1edfng tr\u1ef1c ti\u1ebfp \u0111\u1ebfn hi\u1ec7u su\u1ea5t, t\u00ednh \u1ed5n \u0111\u1ecbnh v\u00e0 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng c\u1ee7a to\u00e0n b\u1ed9 h\u1ea1 t\u1ea7ng CNTT. Tuy nhi\u00ean, tr\u00ean th\u1ef1c t\u1ebf, nhi\u1ec1u doanh nghi\u1ec7p khi l\u1ef1a ch\u1ecdn switch th\u01b0\u1eddng m\u1eafc ph\u1ea3i nh\u1eefng sai l\u1ea7m t\u01b0\u1edfng ch\u1eebng […]<\/p>","protected":false},"author":3,"featured_media":2150,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"rank_math_lock_modified_date":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[23],"tags":[31,57],"class_list":["post-2070","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","tag-blog","tag-switch-cisco"],"jetpack_featured_media_url":"https:\/\/idc.metaserv.vn\/wp-content\/uploads\/2025\/07\/anh-nho-Website-cover-292-x-195-px-5.png","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/idc.metaserv.vn\/en\/wp-json\/wp\/v2\/posts\/2070","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.metaserv.vn\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.metaserv.vn\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.metaserv.vn\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.metaserv.vn\/en\/wp-json\/wp\/v2\/comments?post=2070"}],"version-history":[{"count":5,"href":"https:\/\/idc.metaserv.vn\/en\/wp-json\/wp\/v2\/posts\/2070\/revisions"}],"predecessor-version":[{"id":2103,"href":"https:\/\/idc.metaserv.vn\/en\/wp-json\/wp\/v2\/posts\/2070\/revisions\/2103"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/idc.metaserv.vn\/en\/wp-json\/wp\/v2\/media\/2150"}],"wp:attachment":[{"href":"https:\/\/idc.metaserv.vn\/en\/wp-json\/wp\/v2\/media?parent=2070"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.metaserv.vn\/en\/wp-json\/wp\/v2\/categories?post=2070"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.metaserv.vn\/en\/wp-json\/wp\/v2\/tags?post=2070"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}