{"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\/es\/blog\/bng\/vrf-lite-and-l3vpn-in-stingray-sg\/","title":{"rendered":"VRF Lite y L3VPN en Stingray SG"},"content":{"rendered":"En el caso de la implementaci\u00f3n de una VPN ISP, el ISP proporciona al cliente varios puntos de acceso y crea canales entre ellos dentro de su red, por los que paga.\r\n\r\n\u00bfCu\u00e1l es la diferencia entre una VPN ISP y VPN cliente? La diferencia radica en que el proveedor se compromete a proporcionar una determinada calidad de servicio (niveles aceptables de retardo, fluctuaci\u00f3n de fase, porcentaje de p\u00e9rdida de paquetes, periodo m\u00e1ximo de indisponibilidad del servicio, etc.) y garant\u00edas de seguridad. \r\n\r\n<h2>\u00bfL2VPN o L3VPN?<\/h2>\r\n   <strong>  El uso de L2 y L3VPN tiene sus propias especificidades:   <\/strong>   L2VPN se utiliza m\u00e1s a menudo si la tarea es proporcionar conectividad entre hosts en el mismo dominio de difusi\u00f3n con redundancia, mientras que L3VPN se utiliza para proporcionar diferentes servicios (L3VPN + Internet, VRF-Aware NAT, etc.). L3VPN est\u00e1 ganando popularidad y en la versi\u00f3n 13 de Stingray SG existe ahora soporte para VRF Lite, que permite implementar una de las variantes de L3VPN. \r\n\r\n<h2>Principios de VRF<\/h2>\r\n   <strong>  El mismo principio de los routers virtuales tiene nombres diferentes de un proveedor a otro:   <\/strong>   VRF en Cisco, VPN-instance en Huawei y Routing Instance en Juniper. Todos ellos son m\u00e1quinas virtuales que se crean esencialmente en el mismo router f\u00edsico y son VPN independientes, con tablas de enrutamiento, FIB y listas de interfaces individuales.\r\n\r\nCada VRF est\u00e1 aislado de otros VRF y del propio router f\u00edsico. El VRF es local para un router, no existe fuera del router y no est\u00e1 vinculado a un VRF en otro router. Sin embargo, al igual que ocurre con los servidores virtuales, es posible la comunicaci\u00f3n entre ellos.\r\n\r\n<h2>VRF Lite<\/h2>\r\nEn Stingray SG, VRF lite se implementa en primer lugar. El prefijo lite significa que Stingray SG solo comparte las tablas de enrutamiento pero no pone el tr\u00e1fico de un VRF individual en un t\u00fanel \u00fanico (MPLS, VXLAN). VRF lite permite aislar los servicios prestados entre s\u00ed y optimizar el enrutamiento al utilizar diferentes canales.\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\nEl aislamiento de servicios con ayuda VRF implica colocar reglas de enrutamiento de distintos tipos de abonados o dispositivos en tablas diferentes para especificar una ruta espec\u00edfica. Un ejemplo ser\u00eda la asignaci\u00f3n del tr\u00e1fico de un descodificador IPTV, que tambi\u00e9n se encuentra en el dominio L2 con <a href=\"\/es\/products\/bras-bng\/\" rel=\"noopener noreferrer\">BRAS<\/a>, al igual que el CPE. El descodificador IPTV solo accede a los recursos locales, el CPE obtiene acceso a 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 implementaci\u00f3n de VRF en Stingray SG se realiza con Soft-Router, que construye la tabla RIB y se comunica con el proceso principal de Stingray SG (fastDPI). El fastDPI asegura la construcci\u00f3n de la tabla FIB. Esta divisi\u00f3n permite un alto rendimiento con poco aumento en el uso de RAM del servidor cuando se recibe Full View por VRF. \r\n\r\nLa implementaci\u00f3n de L3VPN con ayuda VRF lite es posible de dos formas. \r\n<ul>\r\n \t<li>La primera opci\u00f3n es    <strong>  colocar el tr\u00e1fico de una VRF concreta en un t\u00fanel GRE.   <\/strong>   Este es el m\u00e9todo utilizado para construir una L3VPN a trav\u00e9s de Internet. Esta funcionalidad ya est\u00e1 disponible en Stingray SG.<\/li>\r\n \t<li>La segunda opci\u00f3n supone que los puntos a enlazar se encuentran dentro de la red del operador. En ese caso,    <strong>  recomendamos utilizar MPLS o VXLAN.   <\/strong>   Este enfoque puede realizarse conectando el Stingray SG a un router habilitado para MPLS, que a\u00f1adir\u00e1 etiquetas para VRF espec\u00edficas. El soporte completo de MPLS en Stingray SG est\u00e1 en los planes de desarrollo.<\/li>\r\n<\/ul>\r\n[product id=\u00bb19\u2033 type=\u00bbdark\u00bb]","protected":false},"excerpt":{"rendered":"<p>L3VPN y L2VPN: servicios exigidos por los operadores de telecomunicaciones, y son un factor decisivo a la hora de elegir un proveedor de internet para las personas jur\u00eddicas.<\/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>VAS Experts<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<script 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