{"id":74227,"date":"2025-10-14T17:51:57","date_gmt":"2025-10-14T15:51:57","guid":{"rendered":"https:\/\/jotelulu.com\/pt-pt\/blog\/"},"modified":"2025-10-17T11:36:26","modified_gmt":"2025-10-17T09:36:26","slug":"vnf-funcoes-rede-virtual-jotelulu","status":"publish","type":"post","link":"https:\/\/jotelulu.com\/pt-pt\/blog\/vnf-funcoes-rede-virtual-jotelulu\/","title":{"rendered":"O que \u00e9 um VNF (Virtual Network Function) e como us\u00e1-lo na Jotelulu: redes L2, IP p\u00fablica shared e casos de uso"},"content":{"rendered":"<h1 data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"heading\" data-prosemirror-node-block=\"true\" data-pm-slice=\"1 1 []\">Virtual Network Functions (VNF) na Jotelulu<\/h1>\n<p>&nbsp;<\/p>\n<p data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\">De certeza que mais de uma vez j\u00e1 se viu nesta situa\u00e7\u00e3o:<\/p>\n<p>&nbsp;<\/p>\n<p data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\">Tem de instalar um <strong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\">Fortinet<\/strong>, um <strong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\">SonicWall <\/strong>ou um <strong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\">WatchGuard <\/strong>num ambiente cloud\u2026 e a coisa complica-se. Configura\u00e7\u00e3o manual, problemas com o NAT, falta de flexibilidade nas redes, horas perdidas para montar algo que deveria ser simples.<\/p>\n<p>&nbsp;<\/p>\n<p data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\">Na Jotelulu ouvimos estas queixas de muitos de voc\u00eas. E encontr\u00e1mos a solu\u00e7\u00e3o implementando imagens oficiais dos principais fabricantes de seguran\u00e7a diretamente na nossa plataforma. Agora, instalar um VNF j\u00e1 n\u00e3o \u00e9 um projeto intermin\u00e1vel, mas sim um processo <strong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\">automatizado, guiado e pronto em minutos<\/strong>.<\/p>\n<p>&nbsp;<\/p>\n<h2 data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"heading\" data-prosemirror-node-block=\"true\">O que \u00e9 um VNF e porque \u00e9 importante<\/h2>\n<p>&nbsp;<\/p>\n<p data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\">Um <strong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\">VNF (Fun\u00e7\u00e3o de Rede Virtual)<\/strong> n\u00e3o \u00e9 mais do que a vers\u00e3o em software dos cl\u00e1ssicos appliances f\u00edsicos de rede.<\/p>\n<p>&nbsp;<\/p>\n<p data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\">O que antes era um firewall com ventiladores e rack, agora \u00e9 uma m\u00e1quina virtual pronta para arrancar na cloud.<\/p>\n<p>&nbsp;<\/p>\n<p data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\">Isto muda as regras do jogo porque:<\/p>\n<p>&nbsp;<\/p>\n<ul class=\"ak-ul\" data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"bulletList\" data-prosemirror-node-block=\"true\">\n<li data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"listItem\" data-prosemirror-node-block=\"true\">\n<p data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\">Ganha <strong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\">flexibilidade<\/strong>: implementa onde quiser, quando quiser.<\/p>\n<\/li>\n<li data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"listItem\" data-prosemirror-node-block=\"true\">\n<p data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\">Ganha <strong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\">agilidade<\/strong>: passa de semanas de espera a minutos.<\/p>\n<\/li>\n<li data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"listItem\" data-prosemirror-node-block=\"true\">\n<p data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\">Ganha <strong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\">controlo<\/strong>: integra a seguran\u00e7a e a conectividade na mesma plataforma onde gere os seus servidores.<\/p>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2 data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"heading\" data-prosemirror-node-block=\"true\">Casos de uso reais<\/h2>\n<p>&nbsp;<\/p>\n<ul class=\"ak-ul\" data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"bulletList\" data-prosemirror-node-block=\"true\">\n<li data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"listItem\" data-prosemirror-node-block=\"true\">\n<p data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\"><strong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\">Firewall virtual<\/strong> para segmentar ambientes cr\u00edticos.<\/p>\n<\/li>\n<li data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"listItem\" data-prosemirror-node-block=\"true\">\n<p data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\"><strong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\">VPN Concentrator<\/strong> para acessos remotos.<\/p>\n<\/li>\n<li data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"listItem\" data-prosemirror-node-block=\"true\">\n<p data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\"><strong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\">Balanceador virtual<\/strong> para aplica\u00e7\u00f5es que exigem alta disponibilidade.<\/p>\n<\/li>\n<li data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"listItem\" data-prosemirror-node-block=\"true\">\n<p data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\"><strong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\">IDS\/IPS<\/strong> para refor\u00e7ar a seguran\u00e7a sem depender de hardware f\u00edsico.<\/p>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2 data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"heading\" data-prosemirror-node-block=\"true\">O que implement\u00e1mos na Jotelulu<\/h2>\n<p>&nbsp;<\/p>\n<p data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\">Al\u00e9m das imagens oficiais dos fabricantes (Fortinet, SonicWall, WatchGuard, etc.), adicion\u00e1mos novas capacidades \u00e0 plataforma que tornam tudo isto poss\u00edvel:<\/p>\n<p>&nbsp;<\/p>\n<h4 data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"heading\" data-prosemirror-node-block=\"true\">Redes Layer 2 (L2)<\/h4>\n<p data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\">Imagine ter um switch virtual na cloud. Essas s\u00e3o as redes L2: tr\u00e1fego baseado em <strong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\">MAC address<\/strong>, sem servi\u00e7os de rede (IP, gateway ou DNS) predefinidos.<\/p>\n<p>&nbsp;<\/p>\n<ul class=\"ak-ul\" data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"bulletList\" data-prosemirror-node-block=\"true\">\n<li data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"listItem\" data-prosemirror-node-block=\"true\">\n<p data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\">Permitem replicar topologias complexas, como num CPD f\u00edsico.<\/p>\n<\/li>\n<li data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"listItem\" data-prosemirror-node-block=\"true\">\n<p data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\">Pode configurar um IP no deployment para preparar acessos remotos desde o seu pr\u00f3prio VNF (firewall, router, etc.).<\/p>\n<\/li>\n<li data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"listItem\" data-prosemirror-node-block=\"true\">\n<p data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\">Se n\u00e3o configurar o gateway, essa interface n\u00e3o ter\u00e1 sa\u00edda para a Internet: o controlo \u00e9 100% seu.<\/p>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\">As L2 s\u00e3o liberdade e controlo. Voc\u00ea decide como configurar a rede, n\u00f3s damos a base para o fazer.<\/p>\n<p>&nbsp;<\/p>\n<h4 data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"heading\" data-prosemirror-node-block=\"true\">IP P\u00fablica Shared<\/h4>\n<p data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\">Quando implementa um VNF precisa de mais do que conectividade interna: precisa exp\u00f4-lo ao mundo. Para isso existem as <strong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\">IP P\u00fablicas Shared<\/strong>.<\/p>\n<p>&nbsp;<\/p>\n<ul class=\"ak-ul\" data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"bulletList\" data-prosemirror-node-block=\"true\">\n<li data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"listItem\" data-prosemirror-node-block=\"true\">\n<p data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\">S\u00e3o IPs p\u00fablicas exclusivas para VNFs.<\/p>\n<\/li>\n<li data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"listItem\" data-prosemirror-node-block=\"true\">\n<p data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\">Conectam diretamente ao servidor, sem NAT pelo meio.<\/p>\n<\/li>\n<li data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"listItem\" data-prosemirror-node-block=\"true\">\n<p data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\">Por n\u00e3o haver NAT, a <strong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\">seguran\u00e7a depende inteiramente do seu VNF<\/strong>: configure-o bem, filtre acessos e bloqueie o que n\u00e3o deva entrar.<\/p>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\">Uma Shared IP \u00e9 pot\u00eancia bruta: acesso direto \u00e0 Internet, sem intermedi\u00e1rios. Voc\u00ea p\u00f5e o firewall, voc\u00ea decide.<\/p>\n<p>&nbsp;<\/p>\n<h2 data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"heading\" data-prosemirror-node-block=\"true\">O que significa isto para os nossos partners?<\/h2>\n<p>&nbsp;<\/p>\n<ul class=\"ak-ul\" data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"bulletList\" data-prosemirror-node-block=\"true\">\n<li data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"listItem\" data-prosemirror-node-block=\"true\">\n<p data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\">Pode <strong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\">oferecer aos seus clientes<\/strong> firewalls, VPNs e balanceadores de fabricantes l\u00edderes sem complica\u00e7\u00f5es de implementa\u00e7\u00e3o.<\/p>\n<\/li>\n<li data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"listItem\" data-prosemirror-node-block=\"true\">\n<p data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\">Reduz <strong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\">custos e tempos<\/strong>: j\u00e1 n\u00e3o precisa comprar hardware nem fazer instala\u00e7\u00f5es f\u00edsicas.<\/p>\n<\/li>\n<li data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"listItem\" data-prosemirror-node-block=\"true\">\n<p data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\">Ganha <strong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\">flexibilidade<\/strong>: projete arquiteturas de rede na cloud com a mesma liberdade que em on-prem.<\/p>\n<\/li>\n<li data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"listItem\" data-prosemirror-node-block=\"true\">\n<p data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\">Posiciona-se como um <strong data-prosemirror-content-type=\"mark\" data-prosemirror-mark-name=\"strong\">fornecedor completo<\/strong>, capaz de fornecer servidores, seguran\u00e7a e conectividade a partir de um \u00fanico painel.<\/p>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\"><strong>Em resumo:<\/strong><\/p>\n<p>&nbsp;<\/p>\n<p data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\">Os VNF na Jotelulu n\u00e3o s\u00e3o apenas mais uma funcionalidade. S\u00e3o a pe\u00e7a que faltava para que partners como voc\u00ea possam implementar infraestruturas completas de rede e seguran\u00e7a em minutos, com as ferramentas de sempre (Fortinet, SonicWall, WatchGuard), mas com a agilidade da cloud.<\/p>\n<p>&nbsp;<\/p>\n<h4 data-prosemirror-content-type=\"node\" data-prosemirror-node-name=\"paragraph\" data-prosemirror-node-block=\"true\">Deixamos em seguida alguns tutoriais que lhe poder\u00e3o ser \u00fateis:<\/h4>\n<ul>\n&nbsp;<\/p>\n<li><a href=\"https:\/\/jotelulu.com\/pt-pt\/suporte\/tutoriais\/migrar-fortigate-on-premise-ou-cloud-para-jotelulu\/\" target=\"_blank\" rel=\"noopener\">Migrar um FortiGate de On-premise ou Cloud para a Jotelulu: guia completo com configura\u00e7\u00e3o e licen\u00e7a<\/a><\/li>\n<p>&nbsp;<\/p>\n<li><a href=\"https:\/\/jotelulu.com\/pt-pt\/suporte\/tutoriais\/como-instalar-um-fortigate-vnf-na-cloud-com-a-jotelulu\/\" target=\"_blank\" rel=\"noopener\">Como instalar um FortiGate VNF na cloud com a Jotelulu<\/a><\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Virtual Network Functions (VNF) na Jotelulu &nbsp; De certeza que mais de uma vez j\u00e1 se viu nesta situa\u00e7\u00e3o: &nbsp; Tem de instalar um Fortinet, um SonicWall ou um WatchGuard num ambiente cloud\u2026 e a coisa complica-se. Configura\u00e7\u00e3o manual, problemas com o NAT, falta de flexibilidade nas redes, horas perdidas para montar algo que deveria [&hellip;]<\/p>\n","protected":false},"author":33,"featured_media":67702,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[321],"tags":[],"class_list":["post-74227","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-novidades-de-produto"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>VNF na Jotelulu: Fun\u00e7\u00f5es de Rede Virtual Automatizadas e Seguras na Cloud<\/title>\n<meta name=\"description\" content=\"Descubra como implementar VNFs (Virtual Network Functions) na Jotelulu de forma automatizada e r\u00e1pida. 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