{"id":27,"date":"2024-10-12T12:54:45","date_gmt":"2024-10-12T12:54:45","guid":{"rendered":"https:\/\/no1vn.io.vn\/?p=27"},"modified":"2024-10-14T07:45:53","modified_gmt":"2024-10-14T07:45:53","slug":"giao-thuc-vtp","status":"publish","type":"post","link":"https:\/\/no1vn.io.vn\/index.php\/2024\/10\/12\/giao-thuc-vtp\/","title":{"rendered":"Giao th\u1ee9c VTP"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">I. T\u1ed5ng quan<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1. Kh\u00e1i ni\u1ec7m v\u00e0 vai tr\u00f2 c\u1ee7a VTP<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">X\u00e9t trong h\u1ec7 th\u1ed1ng c\u00f3 30 Switch: t\u1ea5t c\u1ea3 c\u00e1c Switch \u0111\u1ec1u c\u00f3 VLAN 10, 20, 30, 40, 50 v\u00e0 t\u00ean c\u1ee7a c\u00e1c VLAN nh\u01b0 IT, Sale&#8230;. B\u00ecnh th\u01b0\u1eddng ta ph\u1ea3i \u0111i c\u1ea5u h\u00ecnh l\u1ea7n l\u01b0\u1ee3t 30 Switch nh\u01b0ng khi d\u00f9ng VTP th\u00ec ch\u1ec9 c\u1ea7n c\u1ea5u h\u00ecnh c\u00e1c VLAN tr\u00ean m\u1ed9t Switch Server sau \u0111\u00f3 \u0111\u1ed3ng nh\u1ea5t v\u1edbi c\u00e1c Switch c\u00f2n l\u1ea1i l\u00e0 xong.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">VTP l\u00e0 VLAN Trunking Protocol. L\u00e0 giao th\u1ee9c \u0111\u1ed9c quy\u1ec1n c\u1ee7a thi\u1ebft b\u1ecb Cisco. N\u00f3 cho ph\u00e9p tri\u1ec3n khai \u0111\u1ed3ng nh\u1ea5t nhi\u1ec1u VLAN c\u00f9ng m\u1ed9t l\u00fac xu\u1ed1ng nhi\u1ec1u Switch kh\u00e1c nhau trong h\u1ec7 th\u1ed1ng m\u1ea1ng l\u1edbn.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2.&nbsp;Ho\u1ea1t \u0111\u1ed9ng c\u1ee7a giao th\u1ee9c VTP<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">a. \u0110i\u1ec1u ki\u1ec7n \u0111\u1ec3 VTP ho\u1ea1t \u0111\u1ed9ng<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ta c\u00f3 t\u1ea5t c\u1ea3 c\u00e1c Switch \u0111\u01b0\u1ee3c k\u1ebft n\u1ed1i t\u1edbi m\u1ed9t Switch t\u1ed5ng b\u1eb1ng \u0111\u01b0\u1eddng Trunking.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">To\u00e0n b\u1ed9 c\u00e1c Switch n\u00e0y \u0111\u01b0\u1ee3c \u0111\u1eb7t trong m\u1ed9t mi\u1ec1n l\u00e0 Dnu n\u00f3 s\u1ebd trao \u0111\u1ed5i th\u00f4ng tin \u0111\u01b0\u1ee3c v\u1edbi nhau.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">b. C\u00e1c b\u01b0\u1edbc ho\u1ea1t \u0111\u1ed9ng<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u01b0\u1edbc 1: Khi c\u00f3 thay \u0111\u1ed5i th\u00f4ng tin tr\u00ean con Switch t\u1ed5ng nh\u01b0 s\u1eeda, x\u00f3a t\u00ean ho\u1eb7c th\u00f4ng tin VLAN th\u00ec ch\u1ec9 s\u1ed1 VTP Revision s\u1ebd t\u0103ng l\u00ean 1.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">=&gt; S\u1ed1 Revision l\u00e0 b\u1ed9 \u0111\u1ebfm khi c\u00f3 s\u1ef1 thay \u0111\u1ed5i trong c\u01a1 s\u1edf d\u1eef li\u1ec7u c\u1ee7a VLAN. M\u1ed7i l\u1ea7n s\u1eeda n\u00f3 s\u1ebd t\u0103ng l\u00ean 1.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u01b0\u1edbc 2: Khi Revision t\u0103ng ngay l\u1eadp t\u1ee9c c\u00e1c g\u00f3i tin s\u1ebd g\u1eedi t\u1edbi c\u00e1c Switch trong mi\u1ec1n th\u00f4ng qua \u0111\u01b0\u1eddng Trunk. C\u1ee9 5 ph\u00fat n\u00f3 l\u1ea1i g\u1eedi m\u1ed9t l\u1ea7n.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u01b0\u1edbc 3: C\u00e1c Switch c\u00f2n l\u1ea1i trong mi\u1ec1n s\u1ebd so s\u00e1nh ch\u1ec9 s\u1ed1 Revision. N\u1ebfu th\u1ea5y th\u00f4ng tin \u0111\u1ebfn c\u00f3 ch\u1ec9 s\u1ed1 Revision cao h\u01a1n n\u00f3 s\u1ebd c\u1eadp nh\u1eadt d\u1eef li\u1ec7u.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">c. X\u00e2y d\u1ef1ng Backup cho h\u1ec7 th\u1ed1ng<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 t\u0103ng t\u00ednh d\u1ef1 ph\u00f2ng ng\u01b0\u1eddi ta th\u01b0\u1eddng d\u00f9ng t\u1ed1i hi\u1ec3u 2 Switch ho\u1ea1t \u0111\u1ed9ng \u1edf ch\u1ebf \u0111\u1ed9 Server.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">=&gt; \u0110i\u1ec1u ki\u1ec7n b\u00ecnh th\u01b0\u1eddng: khi c\u00f3 s\u1ef1 thay \u0111\u1ed5i tr\u00ean Switch Server 1 th\u00ec Switch Server 2 s\u1ebd h\u1ecdc. N\u00f3 s\u1ebd \u0111\u1ea3m b\u1ea3o duy tr\u00ec cho th\u1ec7 th\u1ed1ng.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">=&gt; \u0110i\u1ec1u ki\u1ec7n thay \u0111\u1ed5i: khi m\u1ed9t Switch Server c\u1eafm v\u00e0o h\u1ec7 th\u1ed1ng m\u1edbi n\u1ebfu ch\u1ec9 s\u1ed1 Revision cao h\u01a1n Server hi\u1ec7n t\u1ea1i n\u00f3 s\u1ebd l\u00e0m sai l\u1ec7ch th\u00f4ng tin VLAN. B\u1edfi v\u1eady tr\u01b0\u1edbc khi c\u1eafm v\u00e0o ph\u1ea3i chuy\u1ec3n n\u00f3 sang mode Client ho\u1eb7c Transparen r\u1ed3i m\u1edbi chuy\u1ec3n l\u1ea1i mode Server.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">d. Ch\u1ed1ng t\u1ea5n c\u00f4ng DoS d\u00f9ng VTP<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0110\u1ec3 ch\u1ed1ng t\u1ea5n c\u00f4ng DoS ta \u0111\u1eb7t m\u1eadt kh\u1ea9u VTP<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">e. VTP Pruning<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u1ed1ng l\u00e3ng ph\u00ed l\u01b0u l\u01b0\u1ee3ng \u0111\u01b0\u1eddng truy\u1ec1n (d\u00e0nh cho h\u1ec7 th\u1ed1ng c\u00f3 VTP Server v\u00e0 VTP Transparent)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Khi b\u1eadt t\u00ednh n\u0103ng n\u00e0y t\u1eeb Switch Server c\u00e1c Switch Client s\u1ebd h\u1ecdc.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Khi Client nh\u1eadn \u0111\u01b0\u1ee3c VTP Pruning n\u00f3 s\u1ebd th\u00f4ng b\u00e1o l\u1ea1i c\u00f3 nh\u1eefng VLAN n\u00e0o tr\u00ean n\u00f3. Khi m\u1ed9t g\u00f3i tin t\u1eeb m\u1ed9t VLAN g\u1eedi \u0111i Switch Server s\u1ebd bi\u1ebft v\u00e0 kh\u00f4ng g\u1eedi v\u00e0o nh\u1eefng Switch kh\u00f4ng c\u00f3 VLAN \u0111\u00f3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Vd: h\u1ec7 th\u1ed1ng c\u00f3 3 Switch: SW1, SW2, SW3. SW1 l\u00e0 Server<\/p>\n\n\n\n<figure class=\"wp-block-image\"><a href=\"https:\/\/no1vn.io.vn\/wp-content\/uploads\/2024\/10\/VTP_1.png\"><img decoding=\"async\" src=\"https:\/\/no1vn.io.vn\/wp-content\/uploads\/2024\/10\/VTP_1.png\" alt=\"VTP_1\" class=\"wp-image-2900\"\/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">3. C\u00e1c mode ho\u1ea1t \u0111\u1ed9ng:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">a. Mode Server:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f3 quy\u1ec1n t\u1ea1o VLAN, S\u1eeda VLAN, X\u00f3a VLAN<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f3 quy\u1ec1n g\u1eedi th\u00f4ng tin \u0111i cho c\u00e1c Switch kh\u00e1c<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f3 th\u1ec3 h\u1ecdc th\u00f4ng tin t\u1eeb Switch kh\u00e1c sau \u0111\u00f3 chuy\u1ec3n \u0111i cho switch kh\u00e1c h\u1ecdc<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">b. Mode Client:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00f4ng th\u1ec3 t\u1ea1o, s\u1eeda, x\u00f3a VLAN<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N\u00f3 c\u00f3 th\u1ec3 g\u1eedi \u0111i th\u00f4ng tin \u0111i cho ng\u01b0\u1eddi kh\u00e1c h\u1ecdc.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">c. Mode Transparent:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u00f3 th\u1ec3 t\u1ea1o, s\u1eeda, x\u00f3a VLAN nh\u01b0ng ch\u1ec9 trong n\u1ed9 b\u1ed9 c\u1ee7a Switch \u0111\u00f3 th\u00f4i<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u00f4ng \u0111\u1ed3ng b\u1ed9 c\u0169ng kh\u00f4ng g\u1eedi th\u00f4ng tin c\u1ea5u h\u00ecnh \u0111i cho ng\u01b0\u1eddi kh\u00e1c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">L\u00e0m tr\u1ea1m trung chuy\u1ec3n c\u00e1c th\u00f4ng tin qu\u1ea3ng b\u00e1 c\u1ee7a VTP t\u1edbi Client<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ch\u00fa \u00fd:&nbsp;Khi n\u00e0o th\u00ec d\u00f9ng Transparent: Tr\u00ean SW Server c\u00f3 5 VLAN: 2 t\u1edbi 5. Nh\u01b0ng VLAN 2 l\u00e0 ph\u00f2ng Sale c\u00f3 nhi\u1ec1u nh\u00e2n vi\u00ean n\u00ean c\u1ea7n c\u00f3 SW m\u1edf r\u1ed9ng nhi\u1ec1u c\u1ed5ng. L\u00fac n\u00e0y tr\u00ean SW transparent ch\u1ec9 c\u1ea7n c\u1ea5u m\u00ecnh m\u00ecnh VLAN 2. SW transparent s\u1ebd kh\u00f4ng c\u1eadp nh\u1eadt th\u00f4ng tin c\u1ee7a c\u00e1c VLAN kh\u00e1c.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4. C\u1ea5u h\u00ecnh VTP:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">a. C\u00e2u l\u1ec7nh c\u1ea5u h\u00ecnh t\u1ed5ng quan:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SW(config)#vtp&nbsp; mode [Server | Client | Transparent ]<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SW(config)#vtp&nbsp; domain&nbsp; domain-name<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SW(config)#vtp pasword&nbsp; abc<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SW(config)#vtp version number<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SW(config)#vtp pruning<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SW(config)#end<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">b. C\u00e2u l\u1ec7nh chi ti\u1ebft:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u00ean Switch Server:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u1edfi t\u1ea1o VTP Server:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SW(config)#vtp&nbsp; mode Server<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SW(config)#vtp&nbsp; domain&nbsp; dnu<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SW(config)#vtp pasword&nbsp; abc<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SW(config)#vtp version 2<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SW(config)#vtp pruning (Packet tracer kh\u00f4ng h\u1ed7 tr\u1ee3).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SW(config)#end<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">B\u1eadt \u0111\u01b0\u1eddng Trunking c\u1ee7a c\u1ed5ng k\u1ebft n\u1ed1i t\u1edbi c\u00e1c SW Client:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SW(config)#interface f0\/24<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SW(config-if)#switchport mode trunk<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u1edfi t\u1ea1o t\u00ean VLAN:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SW(config)#vlan 2<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SW(config)#name IT<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SW(config)#exit<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SW(config)#vlan 3<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SW(config)#name Sale<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SW(config)#exit<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u00ean Switch Transparent:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SW(config)#vtp&nbsp; mode transparent<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SW(config)#vtp&nbsp; domain&nbsp; dnu<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SW(config)#vtp pasword&nbsp; abc<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SW(config)#vtp pruning&nbsp; (Packet tracer kh\u00f4ng h\u1ed7 tr\u1ee3).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SW(config)#end<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tr\u00ean Switch VTP Client:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kh\u1edfi t\u1ea1o VTP Client:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SW(config)#vtp&nbsp; mode client<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SW(config)#vtp&nbsp; domain&nbsp; dnu<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SW(config)#vtp pasword&nbsp; abc<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SW(config)#vtp pruning&nbsp; (Packet tracer kh\u00f4ng h\u1ed7 tr\u1ee3).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SW(config)#end<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">G\u00e1n c\u1ed5ng cho SW: Ph\u1ea3i g\u00e1n c\u1ed5ng cho SW v\u00ec VTP Server kh\u00f4ng g\u1eedi th\u00f4ng tin g\u00e1n c\u1ed5ng cho Client.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SW(config)#interface range f0\/1-10<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SW(config-if-range)#switchport access vlan 2<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SW(config-if-range)#exit<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SW(config)#interface range f0\/11-20<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SW(config-if-range)#switchport access vlan 3<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SW(config-if-range)#exit<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">c. C\u00e1c l\u1ec7nh ki\u1ec3m tra sau khi c\u1ea5u h\u00ecnh:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SW(config)# show vtp status<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SW(config)# show vtp pasword<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SW(config)# show vlan<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">SW(config)# Show interfaces trunk<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">II. Th\u1ef1c h\u00e0nh<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1. Y\u00eau c\u1ea7u chu\u1ea9n b\u1ecb<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3 catalyst Switch Cisco 2960<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">6 PCs<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">D\u00e2y c\u00e1p Fast Ethernet<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2. N\u1ed9i dung c\u00f4ng vi\u1ec7c c\u1ea7n th\u1ef1c hi\u1ec7n<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">K\u1ebft n\u1ed1i thi\u1ebft b\u1ecb theo m\u00f4 h\u00ecnh&nbsp;\u0111\u1ec3 th\u1ef1c hi\u1ec7n c\u00e1c nhi\u1ec7m v\u1ee5 c\u01a1 b\u1ea3n sau:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ea5u h\u00ecnh c\u01a1 b\u1ea3n cho Switch: Hostname, Console, Talnet, Enable password, Banner mode<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ea5u h\u00ecnh VTP<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">T\u1ea1o VLAN tr\u00ean VTP Server, VTP Transparent<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">G\u00e1n Post cho c\u00e1c VLAN<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">C\u1ea5u h\u00ecnh trunking tr\u00ean c\u00e1c k\u1ebft n\u1ed1i c\u1ee7a switch<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3. Video h\u01b0\u1edbng d\u1eabn<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-embed-handler wp-block-embed-embed-handler wp-embed-aspect-4-3 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"[Qu\u1ea3n Tr\u1ecb M\u1ea1ng v\u00e0 B\u1ea3o M\u1eadt] - C\u1ea5u h\u00ecnh VTP\" width=\"640\" height=\"480\" src=\"https:\/\/www.youtube.com\/embed\/aO4E1Ea0xyw?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>I. T\u1ed5ng quan 1. Kh\u00e1i ni\u1ec7m v\u00e0 vai tr\u00f2 c\u1ee7a VTP X\u00e9t trong h\u1ec7 th\u1ed1ng c\u00f3 30 Switch:<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"content-type":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[9],"tags":[20,18,21,19],"class_list":["post-27","post","type-post","status-publish","format-standard","hentry","category-swith","tag-cisco","tag-giao-thuc-vtp","tag-switch-cisco","tag-vtp"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Giao th\u1ee9c VTP - Th\u01b0 Vi\u1ec7n C\u00f4ng Ngh\u1ec7<\/title>\n<meta name=\"description\" content=\"VTP l\u00e0 VLAN Trunking Protocol. L\u00e0 giao th\u1ee9c \u0111\u1ed9c quy\u1ec1n c\u1ee7a thi\u1ebft b\u1ecb Cisco. N\u00f3 cho ph\u00e9p tri\u1ec3n khai \u0111\u1ed3ng nh\u1ea5t nhi\u1ec1u VLAN c\u00f9ng m\u1ed9t l\u00fac xu\u1ed1ng nhi\u1ec1u Switch kh\u00e1c nhau trong h\u1ec7 th\u1ed1ng m\u1ea1ng l\u1edbn\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Giao th\u1ee9c VTP - Th\u01b0 Vi\u1ec7n C\u00f4ng Ngh\u1ec7\" \/>\n<meta property=\"og:description\" content=\"VTP l\u00e0 VLAN Trunking Protocol. L\u00e0 giao th\u1ee9c \u0111\u1ed9c quy\u1ec1n c\u1ee7a thi\u1ebft b\u1ecb Cisco. N\u00f3 cho ph\u00e9p tri\u1ec3n khai \u0111\u1ed3ng nh\u1ea5t nhi\u1ec1u VLAN c\u00f9ng m\u1ed9t l\u00fac xu\u1ed1ng nhi\u1ec1u Switch kh\u00e1c nhau trong h\u1ec7 th\u1ed1ng m\u1ea1ng l\u1edbn\" \/>\n<meta property=\"og:url\" content=\"https:\/\/no1vn.io.vn\/index.php\/2024\/10\/12\/giao-thuc-vtp\/\" \/>\n<meta property=\"og:site_name\" content=\"Th\u01b0 Vi\u1ec7n C\u00f4ng Ngh\u1ec7\" \/>\n<meta property=\"article:published_time\" content=\"2024-10-12T12:54:45+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-10-14T07:45:53+00:00\" \/>\n<meta name=\"author\" content=\"administrator\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"administrator\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/no1vn.io.vn\\\/index.php\\\/2024\\\/10\\\/12\\\/giao-thuc-vtp\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/no1vn.io.vn\\\/index.php\\\/2024\\\/10\\\/12\\\/giao-thuc-vtp\\\/\"},\"author\":{\"name\":\"administrator\",\"@id\":\"https:\\\/\\\/no1vn.io.vn\\\/#\\\/schema\\\/person\\\/984f4f7fdf745be5177900ad02b2a322\"},\"headline\":\"Giao th\u1ee9c VTP\",\"datePublished\":\"2024-10-12T12:54:45+00:00\",\"dateModified\":\"2024-10-14T07:45:53+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/no1vn.io.vn\\\/index.php\\\/2024\\\/10\\\/12\\\/giao-thuc-vtp\\\/\"},\"wordCount\":1367,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/no1vn.io.vn\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/no1vn.io.vn\\\/index.php\\\/2024\\\/10\\\/12\\\/giao-thuc-vtp\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/no1vn.io.vn\\\/wp-content\\\/uploads\\\/2024\\\/10\\\/VTP_1.png\",\"keywords\":[\"Cisco\",\"Giao th\u1ee9c VTP\",\"Switch Cisco\",\"VTP\"],\"articleSection\":[\"Switch Cisco\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/no1vn.io.vn\\\/index.php\\\/2024\\\/10\\\/12\\\/giao-thuc-vtp\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/no1vn.io.vn\\\/index.php\\\/2024\\\/10\\\/12\\\/giao-thuc-vtp\\\/\",\"url\":\"https:\\\/\\\/no1vn.io.vn\\\/index.php\\\/2024\\\/10\\\/12\\\/giao-thuc-vtp\\\/\",\"name\":\"Giao th\u1ee9c VTP - Th\u01b0 Vi\u1ec7n C\u00f4ng Ngh\u1ec7\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/no1vn.io.vn\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/no1vn.io.vn\\\/index.php\\\/2024\\\/10\\\/12\\\/giao-thuc-vtp\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/no1vn.io.vn\\\/index.php\\\/2024\\\/10\\\/12\\\/giao-thuc-vtp\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/no1vn.io.vn\\\/wp-content\\\/uploads\\\/2024\\\/10\\\/VTP_1.png\",\"datePublished\":\"2024-10-12T12:54:45+00:00\",\"dateModified\":\"2024-10-14T07:45:53+00:00\",\"description\":\"VTP l\u00e0 VLAN Trunking Protocol. L\u00e0 giao th\u1ee9c \u0111\u1ed9c quy\u1ec1n c\u1ee7a thi\u1ebft b\u1ecb Cisco. N\u00f3 cho ph\u00e9p tri\u1ec3n khai \u0111\u1ed3ng nh\u1ea5t nhi\u1ec1u VLAN c\u00f9ng m\u1ed9t l\u00fac xu\u1ed1ng nhi\u1ec1u Switch kh\u00e1c nhau trong h\u1ec7 th\u1ed1ng m\u1ea1ng l\u1edbn\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/no1vn.io.vn\\\/index.php\\\/2024\\\/10\\\/12\\\/giao-thuc-vtp\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/no1vn.io.vn\\\/index.php\\\/2024\\\/10\\\/12\\\/giao-thuc-vtp\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/no1vn.io.vn\\\/index.php\\\/2024\\\/10\\\/12\\\/giao-thuc-vtp\\\/#primaryimage\",\"url\":\"https:\\\/\\\/no1vn.io.vn\\\/wp-content\\\/uploads\\\/2024\\\/10\\\/VTP_1.png\",\"contentUrl\":\"https:\\\/\\\/no1vn.io.vn\\\/wp-content\\\/uploads\\\/2024\\\/10\\\/VTP_1.png\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/no1vn.io.vn\\\/index.php\\\/2024\\\/10\\\/12\\\/giao-thuc-vtp\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/no1vn.io.vn\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Giao th\u1ee9c VTP\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/no1vn.io.vn\\\/#website\",\"url\":\"https:\\\/\\\/no1vn.io.vn\\\/\",\"name\":\"Th\u01b0 Vi\u1ec7n C\u00f4ng Ngh\u1ec7\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/no1vn.io.vn\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/no1vn.io.vn\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/no1vn.io.vn\\\/#organization\",\"name\":\"Th\u01b0 Vi\u1ec7n C\u00f4ng Ngh\u1ec7\",\"url\":\"https:\\\/\\\/no1vn.io.vn\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/no1vn.io.vn\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/no1vn.io.vn\\\/wp-content\\\/uploads\\\/2024\\\/10\\\/logo.jpg\",\"contentUrl\":\"https:\\\/\\\/no1vn.io.vn\\\/wp-content\\\/uploads\\\/2024\\\/10\\\/logo.jpg\",\"width\":903,\"height\":241,\"caption\":\"Th\u01b0 Vi\u1ec7n C\u00f4ng Ngh\u1ec7\"},\"image\":{\"@id\":\"https:\\\/\\\/no1vn.io.vn\\\/#\\\/schema\\\/logo\\\/image\\\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/no1vn.io.vn\\\/#\\\/schema\\\/person\\\/984f4f7fdf745be5177900ad02b2a322\",\"name\":\"administrator\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/605dbb44c2dcc93617f7177667f913506203097df09a078fa83a1d2eeb9babbe?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/605dbb44c2dcc93617f7177667f913506203097df09a078fa83a1d2eeb9babbe?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/605dbb44c2dcc93617f7177667f913506203097df09a078fa83a1d2eeb9babbe?s=96&d=mm&r=g\",\"caption\":\"administrator\"},\"sameAs\":[\"https:\\\/\\\/no1vn.io.vn\"],\"url\":\"https:\\\/\\\/no1vn.io.vn\\\/index.php\\\/author\\\/administrator\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Giao th\u1ee9c VTP - Th\u01b0 Vi\u1ec7n C\u00f4ng Ngh\u1ec7","description":"VTP l\u00e0 VLAN Trunking Protocol. L\u00e0 giao th\u1ee9c \u0111\u1ed9c quy\u1ec1n c\u1ee7a thi\u1ebft b\u1ecb Cisco. N\u00f3 cho ph\u00e9p tri\u1ec3n khai \u0111\u1ed3ng nh\u1ea5t nhi\u1ec1u VLAN c\u00f9ng m\u1ed9t l\u00fac xu\u1ed1ng nhi\u1ec1u Switch kh\u00e1c nhau trong h\u1ec7 th\u1ed1ng m\u1ea1ng l\u1edbn","robots":{"index":"noindex","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"og_locale":"en_US","og_type":"article","og_title":"Giao th\u1ee9c VTP - Th\u01b0 Vi\u1ec7n C\u00f4ng Ngh\u1ec7","og_description":"VTP l\u00e0 VLAN Trunking Protocol. L\u00e0 giao th\u1ee9c \u0111\u1ed9c quy\u1ec1n c\u1ee7a thi\u1ebft b\u1ecb Cisco. N\u00f3 cho ph\u00e9p tri\u1ec3n khai \u0111\u1ed3ng nh\u1ea5t nhi\u1ec1u VLAN c\u00f9ng m\u1ed9t l\u00fac xu\u1ed1ng nhi\u1ec1u Switch kh\u00e1c nhau trong h\u1ec7 th\u1ed1ng m\u1ea1ng l\u1edbn","og_url":"https:\/\/no1vn.io.vn\/index.php\/2024\/10\/12\/giao-thuc-vtp\/","og_site_name":"Th\u01b0 Vi\u1ec7n C\u00f4ng Ngh\u1ec7","article_published_time":"2024-10-12T12:54:45+00:00","article_modified_time":"2024-10-14T07:45:53+00:00","author":"administrator","twitter_card":"summary_large_image","twitter_misc":{"Written by":"administrator","Est. reading time":"5 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/no1vn.io.vn\/index.php\/2024\/10\/12\/giao-thuc-vtp\/#article","isPartOf":{"@id":"https:\/\/no1vn.io.vn\/index.php\/2024\/10\/12\/giao-thuc-vtp\/"},"author":{"name":"administrator","@id":"https:\/\/no1vn.io.vn\/#\/schema\/person\/984f4f7fdf745be5177900ad02b2a322"},"headline":"Giao th\u1ee9c VTP","datePublished":"2024-10-12T12:54:45+00:00","dateModified":"2024-10-14T07:45:53+00:00","mainEntityOfPage":{"@id":"https:\/\/no1vn.io.vn\/index.php\/2024\/10\/12\/giao-thuc-vtp\/"},"wordCount":1367,"commentCount":0,"publisher":{"@id":"https:\/\/no1vn.io.vn\/#organization"},"image":{"@id":"https:\/\/no1vn.io.vn\/index.php\/2024\/10\/12\/giao-thuc-vtp\/#primaryimage"},"thumbnailUrl":"https:\/\/no1vn.io.vn\/wp-content\/uploads\/2024\/10\/VTP_1.png","keywords":["Cisco","Giao th\u1ee9c VTP","Switch Cisco","VTP"],"articleSection":["Switch Cisco"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/no1vn.io.vn\/index.php\/2024\/10\/12\/giao-thuc-vtp\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/no1vn.io.vn\/index.php\/2024\/10\/12\/giao-thuc-vtp\/","url":"https:\/\/no1vn.io.vn\/index.php\/2024\/10\/12\/giao-thuc-vtp\/","name":"Giao th\u1ee9c VTP - Th\u01b0 Vi\u1ec7n C\u00f4ng Ngh\u1ec7","isPartOf":{"@id":"https:\/\/no1vn.io.vn\/#website"},"primaryImageOfPage":{"@id":"https:\/\/no1vn.io.vn\/index.php\/2024\/10\/12\/giao-thuc-vtp\/#primaryimage"},"image":{"@id":"https:\/\/no1vn.io.vn\/index.php\/2024\/10\/12\/giao-thuc-vtp\/#primaryimage"},"thumbnailUrl":"https:\/\/no1vn.io.vn\/wp-content\/uploads\/2024\/10\/VTP_1.png","datePublished":"2024-10-12T12:54:45+00:00","dateModified":"2024-10-14T07:45:53+00:00","description":"VTP l\u00e0 VLAN Trunking Protocol. L\u00e0 giao th\u1ee9c \u0111\u1ed9c quy\u1ec1n c\u1ee7a thi\u1ebft b\u1ecb Cisco. N\u00f3 cho ph\u00e9p tri\u1ec3n khai \u0111\u1ed3ng nh\u1ea5t nhi\u1ec1u VLAN c\u00f9ng m\u1ed9t l\u00fac xu\u1ed1ng nhi\u1ec1u Switch kh\u00e1c nhau trong h\u1ec7 th\u1ed1ng m\u1ea1ng l\u1edbn","breadcrumb":{"@id":"https:\/\/no1vn.io.vn\/index.php\/2024\/10\/12\/giao-thuc-vtp\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/no1vn.io.vn\/index.php\/2024\/10\/12\/giao-thuc-vtp\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/no1vn.io.vn\/index.php\/2024\/10\/12\/giao-thuc-vtp\/#primaryimage","url":"https:\/\/no1vn.io.vn\/wp-content\/uploads\/2024\/10\/VTP_1.png","contentUrl":"https:\/\/no1vn.io.vn\/wp-content\/uploads\/2024\/10\/VTP_1.png"},{"@type":"BreadcrumbList","@id":"https:\/\/no1vn.io.vn\/index.php\/2024\/10\/12\/giao-thuc-vtp\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/no1vn.io.vn\/"},{"@type":"ListItem","position":2,"name":"Giao th\u1ee9c VTP"}]},{"@type":"WebSite","@id":"https:\/\/no1vn.io.vn\/#website","url":"https:\/\/no1vn.io.vn\/","name":"Th\u01b0 Vi\u1ec7n C\u00f4ng Ngh\u1ec7","description":"","publisher":{"@id":"https:\/\/no1vn.io.vn\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/no1vn.io.vn\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/no1vn.io.vn\/#organization","name":"Th\u01b0 Vi\u1ec7n C\u00f4ng Ngh\u1ec7","url":"https:\/\/no1vn.io.vn\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/no1vn.io.vn\/#\/schema\/logo\/image\/","url":"https:\/\/no1vn.io.vn\/wp-content\/uploads\/2024\/10\/logo.jpg","contentUrl":"https:\/\/no1vn.io.vn\/wp-content\/uploads\/2024\/10\/logo.jpg","width":903,"height":241,"caption":"Th\u01b0 Vi\u1ec7n C\u00f4ng Ngh\u1ec7"},"image":{"@id":"https:\/\/no1vn.io.vn\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/no1vn.io.vn\/#\/schema\/person\/984f4f7fdf745be5177900ad02b2a322","name":"administrator","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/605dbb44c2dcc93617f7177667f913506203097df09a078fa83a1d2eeb9babbe?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/605dbb44c2dcc93617f7177667f913506203097df09a078fa83a1d2eeb9babbe?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/605dbb44c2dcc93617f7177667f913506203097df09a078fa83a1d2eeb9babbe?s=96&d=mm&r=g","caption":"administrator"},"sameAs":["https:\/\/no1vn.io.vn"],"url":"https:\/\/no1vn.io.vn\/index.php\/author\/administrator\/"}]}},"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/no1vn.io.vn\/index.php\/wp-json\/wp\/v2\/posts\/27","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/no1vn.io.vn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/no1vn.io.vn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/no1vn.io.vn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/no1vn.io.vn\/index.php\/wp-json\/wp\/v2\/comments?post=27"}],"version-history":[{"count":3,"href":"https:\/\/no1vn.io.vn\/index.php\/wp-json\/wp\/v2\/posts\/27\/revisions"}],"predecessor-version":[{"id":283,"href":"https:\/\/no1vn.io.vn\/index.php\/wp-json\/wp\/v2\/posts\/27\/revisions\/283"}],"wp:attachment":[{"href":"https:\/\/no1vn.io.vn\/index.php\/wp-json\/wp\/v2\/media?parent=27"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/no1vn.io.vn\/index.php\/wp-json\/wp\/v2\/categories?post=27"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/no1vn.io.vn\/index.php\/wp-json\/wp\/v2\/tags?post=27"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}