{"id":504,"date":"2018-07-01T19:20:59","date_gmt":"2018-07-01T12:20:59","guid":{"rendered":"https:\/\/lagonet.vn\/?p=504"},"modified":"2018-07-01T19:20:59","modified_gmt":"2018-07-01T12:20:59","slug":"su-khac-nhau-giua-igp-va-egp","status":"publish","type":"post","link":"https:\/\/kb.lagonet.vn\/?p=504","title":{"rendered":"S\u1ef0 KH\u00c1C NHAU GI\u1eeeA IGP V\u00c0 EGP"},"content":{"rendered":"

Tr\u01b0\u1edbc ti\u00ean ch\u00fang ta ph\u1ea3i n\u1eafm \u0111\u01b0\u1ee3c BGP l\u00e0 g\u00ec t\u1ea1i \u0111\u00e2y<\/a><\/p>\n

BGP :\u00a0<\/b>giao th\u1ee9c \u0111\u1ecbnh tuy\u1ebfn ngo\u1ea1i
\nEIGRP, RIP, OSPF v\u00e0 ISIS<\/b>\u00a0: giao th\u1ee9c \u0111\u1ecbnh tuy\u1ebfn n\u1ed9i
\n
\nBGP<\/b>\u00a0l\u00e0 m\u1ed9t giao th\u1ee9c kh\u00e1 ph\u1ee9c t\u1ea1p \u0111\u01b0\u1ee3c d\u00f9ng nhi\u1ec1u tr\u00ean Internet v\u00e0 trong c\u00e1c c\u00f4ng ty \u0111a qu\u1ed1c gia. M\u1ee5c \u0111\u00edch ch\u00ednh c\u1ee7a BGP l\u00e0 k\u1ebft n\u1ed1i c\u00e1c m\u1ea1ng r\u1ea5t l\u1edbn ho\u1eb7c c\u00e1c\u00a0Autonomous-System<\/b>. C\u00e1c c\u00f4ng ty l\u1edbn c\u00f3 th\u1ec3 d\u00f9ng\u00a0BGP\u00a0<\/b>nh\u01b0 l\u00e0 m\u1ed9t k\u1ebft n\u1ed1i gi\u1eefa c\u00e1c m\u1ea1ng \u1edf c\u00e1c qu\u1ed1c gia kh\u00e1c nhau. M\u1ee5c \u0111\u00edch c\u1ee7a c\u00e1c giao th\u1ee9c\u00a0ngo\u1ea1i\u00a0<\/b>nh\u01b0\u00a0BGP\u00a0<\/b>l\u00e0 kh\u00f4ng ch\u1ec9 t\u00ecm ra m\u1ed9t \u0111\u01b0\u1eddng \u0111i v\u1ec1 m\u1ed9t m\u1ea1ng n\u00e0o \u0111\u00f3 m\u00e0 c\u00f2n cho ph\u00e9p ng\u01b0\u1eddi qu\u1ea3n tr\u1ecb t\u00ecm ra c\u00e1c\u00a0AS\u00a0<\/b>c\u1ee7a c\u00e1c network. C\u00e1c giao th\u1ee9c\u00a0n\u1ed9i\u00a0<\/b>nh\u01b0 EIGRP, RIP, OSPF v\u00e0 ISIS s\u1ebd t\u00ecm ra network m\u00e0 ng\u01b0\u1eddi qu\u1ea3n tr\u1ecb c\u1ea7n.<\/p>\n

Th\u01b0\u1eddng th\u00ec\u00a0BGP\u00a0<\/b>\u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u0111\u1ecbnh tuy\u1ebfn gi\u1eefa c\u00e1c ISP.<\/p>\n

N\u1ebfu d\u00f9ng IGP th\u00ec ch\u1ec9 c\u00f3 kh\u1ea3 n\u0103ng qu\u1ea3n l\u00ed h\u00e0ng ng\u00e0n \u0111\u01b0\u1eddng \u0111i (routes).<\/p>\n

C\u00f2n d\u00f9ng BGP th\u00ec l\u00ean t\u1edbi con s\u1ed1 h\u00e0ng tri\u1ec7u \u0111\u01b0\u1eddng \u0111i (routes).<\/p>\n

Ngo\u00e0i ra BGP c\u00f2n c\u00f3 m\u1ed9t s\u1ed1 thu\u1ed9c t\u00ednh c\u00f3 th\u1ec3 cho ph\u00e9p ta ch\u1ecdn \u0111\u01b0\u1eddng \u0111i d\u1ec5 h\u01a1n IGP.<\/p>\n

Khi b\u1ea1n h\u1ecdc BGP b\u1ea1n s\u1ebd \u0111\u01b0\u1ee3c bi\u1ebft \u0111\u1ebfn m\u1ed9t trong nh\u1eefng thu\u1ed9c t\u00ednh l\u00e0 AS path.<\/p>\n

M\u1ed7i ISP s\u1ebd \u0111\u01b0\u1ee3c IANA c\u1ea5p m\u1ed9t s\u1ed1 g\u1ecdi l\u00e0 AS number, ISP s\u1ebd d\u00f9ng s\u1ed1 n\u00e0y \u0111\u1ea1i di\u1ec7n cho c\u00e1c routes thu\u1ed9c ISP \u0111\u00f3 khi ch\u1ea1y BGP.<\/p>\n

D\u1ef1a v\u00e0o c\u00e1c s\u1ed1 n\u00e0y m\u00e0 ta c\u00f3 th\u1ec3 c\u1ea5u h\u00ecnh ch\u1ec9 nh\u1eadn routes t\u1eeb ISP n\u00e0o, ch\u1ecdn \u0111\u01b0\u1eddng \u0111i t\u1eeb AS1 -> AS7 ->AS9 m\u00e0 kh\u00f4ng ch\u1ecdn qua c\u00e1c AS c\u1ee7a ISP kh\u00e1c.<\/p>\n

\n

C\u00f2n \u0111\u1ec3 m\u00f4 t\u1ea3 b\u1eb1ng b\u1ea3ng, ch\u00fang ta c\u00f3 m\u1ed9t s\u1ed1 b\u1ea3ng so s\u00e1nh sau:<\/p>\n

\"igp-egp-01\"
S\u1ef1 kh\u00e1c nhau gi\u1eefa IGP v\u00e0 EGP – 01<\/figcaption><\/figure>\n

 <\/p>\n

\"igp-egp-02\"
S\u1ef1 kh\u00e1c nhau gi\u1eefa IGP v\u00e0 EGP – 02<\/figcaption><\/figure>\n
\"igp-egp-03\"
S\u1ef1 kh\u00e1c nhau gi\u1eefa IGP v\u00e0 EGP – 03<\/figcaption><\/figure>\n

 <\/p>\n

\"igp-egp-04\"
S\u1ef1 kh\u00e1c nhau gi\u1eefa IGP v\u00e0 EGP – 04<\/figcaption><\/figure>\n
\"igp-egp-05\"
S\u1ef1 kh\u00e1c nhau gi\u1eefa IGP v\u00e0 EGP – 05<\/figcaption><\/figure>\n
\"igp-egp-06\"
S\u1ef1 kh\u00e1c nhau gi\u1eefa IGP v\u00e0 EGP – 06<\/figcaption><\/figure>\n

 <\/p>\n

\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

Tr\u01b0\u1edbc ti\u00ean ch\u00fang ta ph\u1ea3i n\u1eafm \u0111\u01b0\u1ee3c BGP l\u00e0 g\u00ec t\u1ea1i \u0111\u00e2y BGP :\u00a0giao th\u1ee9c \u0111\u1ecbnh tuy\u1ebfn ngo\u1ea1i EIGRP, RIP, […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[29,31,25,16,27,28,21,6],"tags":[36,114],"class_list":["post-504","post","type-post","status-publish","format-standard","hentry","category-ccie-rs","category-ccnp-route","category-cisco","category-courses","category-jncie","category-jncip","category-juniper","category-networking","tag-bgp","tag-su-khac-nhau-igp-va-bgp"],"_links":{"self":[{"href":"https:\/\/kb.lagonet.vn\/index.php?rest_route=\/wp\/v2\/posts\/504","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kb.lagonet.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kb.lagonet.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kb.lagonet.vn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kb.lagonet.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=504"}],"version-history":[{"count":0,"href":"https:\/\/kb.lagonet.vn\/index.php?rest_route=\/wp\/v2\/posts\/504\/revisions"}],"wp:attachment":[{"href":"https:\/\/kb.lagonet.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=504"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kb.lagonet.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=504"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kb.lagonet.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=504"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}