{"id":1400,"date":"2024-11-19T08:22:00","date_gmt":"2024-11-19T01:22:00","guid":{"rendered":"https:\/\/focusnic.com\/blog\/?p=1400"},"modified":"2024-12-19T15:59:54","modified_gmt":"2024-12-19T08:59:54","slug":"fungsi-as-number-dalam-routing","status":"publish","type":"post","link":"https:\/\/focusnic.com\/blog\/fungsi-as-number-dalam-routing\/","title":{"rendered":"Fungsi AS Number dalam Routing"},"content":{"rendered":"\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-light-blue ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/focusnic.com\/blog\/fungsi-as-number-dalam-routing\/#Pengertian_Autonomous_System_Number\" >Pengertian Autonomous System Number<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/focusnic.com\/blog\/fungsi-as-number-dalam-routing\/#Peran_AS_Number_dalam_BGP_Routing\" >Peran AS Number dalam BGP Routing<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/focusnic.com\/blog\/fungsi-as-number-dalam-routing\/#BGP_Path_Selection\" >BGP Path Selection<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/focusnic.com\/blog\/fungsi-as-number-dalam-routing\/#AS_Path_Attributes\" >AS Path Attributes<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/focusnic.com\/blog\/fungsi-as-number-dalam-routing\/#Implementasi_Teknis_AS_Number\" >Implementasi Teknis AS Number<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/focusnic.com\/blog\/fungsi-as-number-dalam-routing\/#Konfigurasi_Router\" >Konfigurasi Router<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/focusnic.com\/blog\/fungsi-as-number-dalam-routing\/#Best_Practices_dalam_Penggunaan_AS_Number\" >Best Practices dalam Penggunaan AS Number<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/focusnic.com\/blog\/fungsi-as-number-dalam-routing\/#Security_Considerations\" >Security Considerations<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/focusnic.com\/blog\/fungsi-as-number-dalam-routing\/#Scalability_Planning\" >Scalability Planning<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/focusnic.com\/blog\/fungsi-as-number-dalam-routing\/#Kesimpulan\" >Kesimpulan<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Pengertian_Autonomous_System_Number\"><\/span>Pengertian Autonomous System Number<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>AS Number<\/strong> (Autonomous System Number) merupakan identifikator unik yang digunakan dalam infrastruktur internet global untuk mengidentifikasi jaringan atau sekumpulan jaringan yang beroperasi di bawah kebijakan routing yang sama. Setiap <strong>AS Number<\/strong> terdiri dari angka unik yang dialokasikan oleh <strong>IANA<\/strong> (Internet Assigned Numbers Authority) melalui <strong>RIR<\/strong> (Regional Internet Registry) ke organisasi seperti ISP, universitas, atau perusahaan besar.<\/p>\n\n\n\n<p><strong>AS Number<\/strong> tersedia dalam dua format:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>16-bit ASN<\/strong>\n<ul class=\"wp-block-list\">\n<li>Range: 0-65535<\/li>\n\n\n\n<li>Format asli<\/li>\n\n\n\n<li>Sering disebut sebagai 2-byte ASN<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>32-bit ASN<\/strong>\n<ul class=\"wp-block-list\">\n<li>Range: 0-4294967295<\/li>\n\n\n\n<li>Format yang lebih baru<\/li>\n\n\n\n<li>Dikenal sebagai 4-byte ASN<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p><\/p>\n\n\n\n<p><strong>AS Number<\/strong> dibagi menjadi beberapa kategori:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Public AS Numbers<\/strong>\n<ul class=\"wp-block-list\">\n<li>Digunakan di internet publik<\/li>\n\n\n\n<li>Harus unik secara global<\/li>\n\n\n\n<li>Dialokasikan oleh RIR<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Private AS Numbers<\/strong>\n<ul class=\"wp-block-list\">\n<li>Range: 64512-65534<\/li>\n\n\n\n<li>Digunakan dalam jaringan internal<\/li>\n\n\n\n<li>Tidak perlu registrasi<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Peran_AS_Number_dalam_BGP_Routing\"><\/span><strong>Peran AS Number dalam BGP Routing<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"BGP_Path_Selection\"><\/span><strong>BGP Path Selection<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><strong>Border Gateway Protocol<\/strong> (BGP) menggunakan AS Number untuk:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Path Vector<\/strong>\n<ul class=\"wp-block-list\">\n<li>Mencegah routing loop<\/li>\n\n\n\n<li>Menentukan jalur terbaik<\/li>\n\n\n\n<li>Mengidentifikasi asal dan tujuan traffic<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Policy Implementation<\/strong>\n<ul class=\"wp-block-list\">\n<li>Filter routing<\/li>\n\n\n\n<li>Traffic engineering<\/li>\n\n\n\n<li>Penerapan kebijakan routing<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"AS_Path_Attributes\"><\/span><strong>AS Path Attributes<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Beberapa atribut penting dalam AS Path:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>AS_PATH<\/strong>\n<ul class=\"wp-block-list\">\n<li>Urutan AS yang dilalui<\/li>\n\n\n\n<li>Metric untuk path selection<\/li>\n\n\n\n<li>Indikator jarak<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>AS_SET<\/strong>\n<ul class=\"wp-block-list\">\n<li>Kumpulan AS yang diagregasi<\/li>\n\n\n\n<li>Optimasi routing table<\/li>\n\n\n\n<li>Mendukung route summarization<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Implementasi_Teknis_AS_Number\"><\/span><strong>Implementasi Teknis AS Number<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Konfigurasi_Router\"><\/span><strong>Konfigurasi Router<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Langkah-langkah implementasi AS Number:<\/p>\n\n\n\n<p>1. Basic Configuration<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><\/li>\n<\/ol>\n\n\n\n<div class=\"wp-block-urvanov-syntax-highlighter-code-block\"><pre class=\"lang:sh decode:true \">router bgp [AS-NUMBER]\nneighbor [IP-ADDRESS] remote-as [REMOTE-AS]\nnetwork [PREFIX] mask [SUBNET-MASK]<\/pre><\/div>\n\n\n\n<p>2. Policy Configuration<\/p>\n\n\n\n<div class=\"wp-block-urvanov-syntax-highlighter-code-block\"><pre class=\"lang:sh decode:true \">route-map [NAME] permit [SEQUENCE]\nmatch as-path [ACCESS-LIST]\nset local-preference [VALUE]<\/pre><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Best_Practices_dalam_Penggunaan_AS_Number\"><\/span><strong>Best Practices dalam Penggunaan AS Number<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Security_Considerations\"><\/span><strong>Security Considerations<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Praktik keamanan meliputi:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Route Filtering<\/strong>\n<ul class=\"wp-block-list\">\n<li>Implementasi prefix lists<\/li>\n\n\n\n<li>AS path filtering<\/li>\n\n\n\n<li>Route maps<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>RPKI<\/strong>\n<ul class=\"wp-block-list\">\n<li>Resource certification<\/li>\n\n\n\n<li>Route origin validation<\/li>\n\n\n\n<li>Secure BGP announcements<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Scalability_Planning\"><\/span><strong>Scalability Planning<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Perencanaan skalabilitas mencakup:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Growth Management<\/strong>\n<ul class=\"wp-block-list\">\n<li>Capacity planning<\/li>\n\n\n\n<li>Address space allocation<\/li>\n\n\n\n<li>Routing table optimization<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Redundancy<\/strong>\n<ul class=\"wp-block-list\">\n<li>Multiple connections<\/li>\n\n\n\n<li>Backup paths<\/li>\n\n\n\n<li>Failover mechanisms<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Kesimpulan\"><\/span><strong>Kesimpulan<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p><strong>AS Number<\/strong> merupakan komponen fundamental dalam infrastruktur routing internet global. Dengan pemahaman yang mendalam tentang fungsi, implementasi, dan best practices dalam penggunaan AS Number, organisasi dapat membangun dan mengelola jaringan yang lebih efisien, aman, dan skalabel. Seiring evolusi teknologi jaringan, peran AS Number terus berkembang, memungkinkan inovasi baru dalam manajemen routing dan interconnectivity.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pengertian Autonomous System Number AS Number (Autonomous System Number) merupakan identifikator unik yang digunakan dalam infrastruktur internet global untuk mengidentifikasi jaringan atau sekumpulan jaringan yang beroperasi di bawah kebijakan routing yang sama. Setiap AS Number terdiri dari angka unik yang dialokasikan oleh IANA (Internet Assigned Numbers Authority) melalui RIR (Regional Internet Registry) ke organisasi seperti [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":1401,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[98,72],"class_list":{"0":"post-1400","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-informasi","8":"tag-bgp","9":"tag-network"},"_links":{"self":[{"href":"https:\/\/focusnic.com\/blog\/wp-json\/wp\/v2\/posts\/1400","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/focusnic.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/focusnic.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/focusnic.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/focusnic.com\/blog\/wp-json\/wp\/v2\/comments?post=1400"}],"version-history":[{"count":2,"href":"https:\/\/focusnic.com\/blog\/wp-json\/wp\/v2\/posts\/1400\/revisions"}],"predecessor-version":[{"id":1419,"href":"https:\/\/focusnic.com\/blog\/wp-json\/wp\/v2\/posts\/1400\/revisions\/1419"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/focusnic.com\/blog\/wp-json\/wp\/v2\/media\/1401"}],"wp:attachment":[{"href":"https:\/\/focusnic.com\/blog\/wp-json\/wp\/v2\/media?parent=1400"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/focusnic.com\/blog\/wp-json\/wp\/v2\/categories?post=1400"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/focusnic.com\/blog\/wp-json\/wp\/v2\/tags?post=1400"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}