{"id":9214,"date":"2023-05-24T11:22:30","date_gmt":"2023-05-24T08:22:30","guid":{"rendered":"https:\/\/vasexperts.com\/?p=9214"},"modified":"2025-08-13T15:16:03","modified_gmt":"2025-08-13T12:16:03","slug":"vrf-lite-and-l3vpn-in-stingray-sg","status":"publish","type":"post","link":"https:\/\/vasexperts.com\/fr\/blog\/bng\/vrf-lite-and-l3vpn-in-stingray-sg\/","title":{"rendered":"VRF Lite et L3VPN \u00e0 Stingray SG"},"content":{"rendered":"Dans le cas de la mise en \u0153uvre d\u2019un VPN fournisseur, le FAI fournit au client plusieurs points d\u2019acc\u00e8s et cr\u00e9e des canaux entre eux au sein de son r\u00e9seau qu\u2019il paie.\r\n\r\nQuelle est la particularit\u00e9 d\u2019un VPN fournisseur par rapport \u00e0 un client ? Le fait que le fournisseur s\u2019engage \u00e0 fournir une certaine qualit\u00e9 de service (niveau de latence admissible, gigue, pourcentage de perte de paquets, p\u00e9riode maximale d\u2019indisponibilit\u00e9 des services, etc.) et des garanties de s\u00e9curit\u00e9.\r\n\r\n<h2>L2VPN ou L3VPN ?<\/h2>\r\n   <strong>  L\u2019utilisation de L2 et L3VPN a ses propres sp\u00e9cificit\u00e9s :    <\/strong>  L2VPN est plus souvent utilis\u00e9 s\u2019il existe une t\u00e2che pour fournir une connectivit\u00e9 entre les h\u00f4tes dans le m\u00eame domaine de diffusion redondant, tandis que L3VPN est utilis\u00e9 pour fournir diff\u00e9rents services (L3VPN + Internet, VRF-Aware NAT, etc.). L3VPN gagne de plus en plus en popularit\u00e9, et la version 13 de Stingray SG VRF Lite prend en charge VRF Lite, ce qui permet de mettre en \u0153uvre l\u2019une des variantes de L3VPN. \r\n\r\n<h2>Principes de VRF<\/h2>\r\n   <strong>  Le m\u00eame principe de routeurs virtuels est appel\u00e9 diff\u00e9remment par diff\u00e9rents fournisseurs :   <\/strong>   VRF chez Cisco, VPN-instance chez Huawei et Routing Instance chez Juniper. Ils sont tous des machines virtuelles qui sont essentiellement cr\u00e9\u00e9es sur le m\u00eame routeur physique et sont des VPN s\u00e9par\u00e9s, avec des tables de routage individuelles, des FIB et des listes d\u2019interfaces.\r\n\r\nChaque VRF est isol\u00e9 des autres VRF et du routeur physique lui-m\u00eame. VRF est local pour un routeur, n\u2019existe pas en dehors de celui-ci et n\u2019est pas associ\u00e9 \u00e0 VRF sur l\u2019autre. Cependant, comme dans le cas des serveurs virtuels, la communication entre eux est possible.\r\n\r\n<h2>VRF Lite<\/h2>\r\nVRF lite a \u00e9t\u00e9 impl\u00e9ment\u00e9 sur Stingray SG comme une premi\u00e8re \u00e9tape. Le pr\u00e9fixe lite signifie que Stingray SG ne partage que les tables de routage, mais ne place pas le trafic d\u2019un VRF s\u00e9par\u00e9 dans un tunnel unique (MPLS, VXLAN). VRF lite permet d\u2019isoler les services fournis entre eux et d\u2019optimiser le routage lors de l\u2019utilisation de diff\u00e9rents canaux.\r\n\r\n<noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2023\/05\/vrf-lite.png\" alt=\"VRF lite\" width=\"100%\" height=\"auto\" class=\"alignnone size-full wp-image-9217\" srcset=\"\/wp-content\/uploads\/2023\/05\/vrf-lite.png 1769w, \/wp-content\/uploads\/2023\/05\/vrf-lite-300x221.png 300w, \/wp-content\/uploads\/2023\/05\/vrf-lite-1024x756.png 1024w, \/wp-content\/uploads\/2023\/05\/vrf-lite-768x567.png 768w, \/wp-content\/uploads\/2023\/05\/vrf-lite-1536x1134.png 1536w\" sizes=\"(max-width: 1769px) 100vw, 1769px\"><\/noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2023\/05\/vrf-lite.png\" alt=\"VRF lite\" width=\"100%\" height=\"auto\" class=\"alignnone size-full wp-image-9217 lazyload\" sizes=\"(max-width: 1769px) 100vw, 1769px\" data-src=\"\/wp-content\/uploads\/2023\/05\/vrf-lite.png\" data-srcset=\"\/wp-content\/uploads\/2023\/05\/vrf-lite.png 1769w, \/wp-content\/uploads\/2023\/05\/vrf-lite-300x221.png 300w, \/wp-content\/uploads\/2023\/05\/vrf-lite-1024x756.png 1024w, \/wp-content\/uploads\/2023\/05\/vrf-lite-768x567.png 768w, \/wp-content\/uploads\/2023\/05\/vrf-lite-1536x1134.png 1536w\">\r\n\r\nL\u2019isolation de service avec VRF implique de placer des r\u00e8gles de routage de diff\u00e9rents types d\u2019abonn\u00e9s ou d\u2019appareils dans diff\u00e9rentes tables pour d\u00e9finir une route sp\u00e9cifique. Un exemple serait l\u2019allocation du trafic d\u2019un d\u00e9codeur IPTV qui se trouve \u00e9galement dans le domaine L2 avec <a href=\"\/fr\/products\/bras-bng\/\" rel=\"noopener noreferrer\">BRAS<\/a>, comme le CPE. Le d\u00e9codeur IPTV acc\u00e8de uniquement aux ressources locales, le CPE acc\u00e8de \u00e0 Internet.\r\n\r\n<noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2023\/05\/fib-rib.png\" alt=\"FIB RIB\" width=\"100%\" height=\"auto\" class=\"alignnone size-full wp-image-9218\" srcset=\"\/wp-content\/uploads\/2023\/05\/fib-rib.png 863w, \/wp-content\/uploads\/2023\/05\/fib-rib-300x222.png 300w, \/wp-content\/uploads\/2023\/05\/fib-rib-768x569.png 768w\" sizes=\"(max-width: 863px) 100vw, 863px\"><\/noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2023\/05\/fib-rib.png\" alt=\"FIB RIB\" width=\"100%\" height=\"auto\" class=\"alignnone size-full wp-image-9218 lazyload\" sizes=\"(max-width: 863px) 100vw, 863px\" data-src=\"\/wp-content\/uploads\/2023\/05\/fib-rib.png\" data-srcset=\"\/wp-content\/uploads\/2023\/05\/fib-rib.png 863w, \/wp-content\/uploads\/2023\/05\/fib-rib-300x222.png 300w, \/wp-content\/uploads\/2023\/05\/fib-rib-768x569.png 768w\">\r\n\r\nLa mise en \u0153uvre de VRF dans Stingray SG est faite en utilisant Soft-Router, qui construit une table RIB et interagit avec le processus de base de Stingray SG (fastDPI). FastDpi fournit la construction de la table FIB. Cette division permet d\u2019obtenir des performances \u00e9lev\u00e9es avec une l\u00e9g\u00e8re augmentation de l\u2019utilisation de la RAM du serveur en cas de r\u00e9ception de Full View pour chaque VRF. \r\n\r\nLa mise en \u0153uvre de L3VPN \u00e0 l\u2019aide de VRF lite est possible de deux m\u00e9thodes. \r\n<ul>\r\n \t<li>La premi\u00e8re m\u00e9thode consiste    <strong>  \u00e0 placer le trafic d\u2019un VRF sp\u00e9cifique dans le tunnel GRE.   <\/strong>   Cette m\u00e9thode est utilis\u00e9e pour construire L3VPN sur Internet. Cette fonctionnalit\u00e9 est d\u00e9j\u00e0 disponible \u00e0 Stingray SG.<\/li>\r\n \t<li>La deuxi\u00e8me m\u00e9thode suppose que les points \u00e0 connecter se trouvent dans le r\u00e9seau de l\u2019op\u00e9rateur. Dans ce cas,    <strong>  nous recommandons d\u2019utiliser MPLS ou VXLAN.   <\/strong>   Vous pouvez impl\u00e9menter cette approche en connectant Stingray SG \u00e0 un routeur compatible MPLS, qui ajoutera des rep\u00e8res pour des VRF sp\u00e9cifiques. La prise en charge du MPLS \u00e0 part enti\u00e8re sur la base de Stingray SG est dans les plans de d\u00e9veloppement.<\/li>\r\n<\/ul>\r\n[product id=\u00a0\u00bb19\u2033 type=\u00a0\u00bbdark\u00a0\u00bb]","protected":false},"excerpt":{"rendered":"<p>L3VPN et L2VPN sont des services tr\u00e8s demand\u00e9s par les op\u00e9rateurs de t\u00e9l\u00e9communications et sont un facteur d\u00e9cisif lors du choix d&rsquo;un FAI pour les personnes morales.<\/p>\n","protected":false},"author":7,"featured_media":9220,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[49],"tags":[],"class_list":["post-9214","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bng"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>(English) VASExperts<\/title>\n<meta name=\"robots\" content=\"index, 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