{"id":2772,"date":"2024-12-16T16:28:54","date_gmt":"2024-12-16T08:28:54","guid":{"rendered":"https:\/\/www.trugemtech.com\/?p=2772"},"modified":"2024-12-17T16:10:51","modified_gmt":"2024-12-17T08:10:51","slug":"comment-fonctionne-lip-passthrough-sur-un-routeur-industriel\uff1f","status":"publish","type":"post","link":"https:\/\/www.trugemtech.com\/fr\/comment-fonctionne-lip-passthrough-sur-un-routeur-industriel\uff1f\/","title":{"rendered":"Comment fonctionne l'IP Passthrough sur un routeur industriel\uff1f"},"content":{"rendered":"<p>Dans les r\u00e9seaux industriels, une connectivit\u00e9 fiable et efficace est essentielle pour la gestion des syst\u00e8mes et des appareils. Les routeurs industriels int\u00e8grent souvent une fonction appel\u00e9e \"IP passthrough\", qui permet \u00e0 un appareil connect\u00e9 de communiquer directement avec le r\u00e9seau externe \u00e0 l'aide d'une adresse IP publique. Mais comment fonctionne l'IP passthrough sur un routeur industriel ? Ce blog explore le concept, explique son fonctionnement, souligne ses avantages et fournit des conseils pratiques pour sa mise en place. <\/p>\n\n\n\n<div class=\"wp-block-yoast-seo-table-of-contents yoast-table-of-contents\"><h2>Table des mati\u00e8res<\/h2><ul><li><a href=\"#h-what-is-ip-passthrough\" data-level=\"2\">Qu'est-ce que l'IP Passthrough ?<\/a><\/li><li><a href=\"#h-how-does-ip-passthrough-work\" data-level=\"2\">Comment fonctionne l'IP Passthrough ?<\/a><\/li><li><a href=\"#h-what-is-the-advantage-of-ip-passthrough\" data-level=\"2\">Quel est l'avantage de l'IP Passthrough ?<\/a><\/li><li><a href=\"#h-when-do-we-need-ip-passthrough\" data-level=\"2\">Quand avons-nous besoin de l'IP Passthrough ?<\/a><\/li><li><a href=\"#h-is-ip-passthrough-safe\" data-level=\"2\">L'IP Passthrough est-il s\u00fbr ?<\/a><\/li><li><a href=\"#h-what-is-passthrough-mode\" data-level=\"2\">Qu'est-ce que le mode \"Passthrough\" ?<\/a><\/li><li><a href=\"#h-how-do-i-set-up-ip-passthrough-on-my-industrial-router\" data-level=\"2\">Comment configurer l'IP Passthrough sur mon routeur industriel ?<\/a><\/li><li><a href=\"#h-tips-for-setting-up-ip-passthrough\" data-level=\"2\">Conseils pour la configuration de l'IP Passthrough<\/a><\/li><li><a href=\"#h-frequently-asked-questions-faqs\" data-level=\"2\">Foire aux questions (FAQ)<\/a><\/li><\/ul><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-is-ip-passthrough\">Qu'est-ce que l'IP Passthrough ?<\/h2>\n\n\n\n<p>L'IP passthrough est une fonction de r\u00e9seau qui permet \u00e0 un routeur industriel d'attribuer son adresse IP publique directement \u00e0 un appareil connect\u00e9, en contournant l'allocation IP du r\u00e9seau local du routeur. Normalement, les routeurs utilisent le NAT (Network Address Translation) pour attribuer des adresses IP priv\u00e9es aux appareils du r\u00e9seau local. Cependant, avec l'IP passthrough, le routeur \"transmet\" l'adresse IP publique \u00e0 un seul appareil, tel qu'un serveur, un ordinateur ou un contr\u00f4leur industriel.<\/p>\n\n\n\n<p>Cette fonction est particuli\u00e8rement utile pour les applications qui n\u00e9cessitent un acc\u00e8s direct \u00e0 l'internet ou \u00e0 une IP publique pour des fonctions sp\u00e9cifiques, telles que la gestion \u00e0 distance ou les configurations VPN.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-how-does-ip-passthrough-work\">Comment fonctionne l'IP Passthrough ?<\/h2>\n\n\n\n<p>Pour comprendre <strong>comment<\/strong><strong> fait<\/strong><strong>IP<\/strong><strong> travers\u00e9e <\/strong><strong>travail<\/strong>Il est donc utile de savoir comment fonctionnent g\u00e9n\u00e9ralement les routeurs. Les routeurs attribuent des adresses IP priv\u00e9es aux appareils du r\u00e9seau local et utilisent le NAT pour traduire ces IP priv\u00e9es en IP publiques pour les communications internet.<\/p>\n\n\n\n<p>Lorsque la fonction IP passthrough est activ\u00e9e :<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>La fonction NAT du routeur est contourn\u00e9e pour un appareil sp\u00e9cifique.<\/li>\n\n\n\n<li>Le routeur attribue son adresse IP publique, obtenue aupr\u00e8s du fournisseur d'acc\u00e8s, directement \u00e0 l'appareil s\u00e9lectionn\u00e9.<\/li>\n\n\n\n<li>L'appareil choisi communique avec l'internet en utilisant l'IP publique comme s'il \u00e9tait directement connect\u00e9 au modem.<\/li>\n\n\n\n<li>Les autres appareils du r\u00e9seau continuent d'utiliser des adresses IP priv\u00e9es g\u00e9r\u00e9es par le routeur.<\/li>\n<\/ol>\n\n\n\n<p>En activant l'IP passthrough, le routeur agit essentiellement comme un pont entre le FAI et l'appareil d\u00e9sign\u00e9.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-is-the-advantage-of-ip-passthrough\">Quel est l'avantage de l'IP Passthrough ?<\/h2>\n\n\n\n<p>L'utilisation de l'IP passthrough dans les r\u00e9seaux industriels pr\u00e9sente plusieurs avantages :<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>Direct <\/strong><strong>Acc\u00e8s \u00e0 l'internet<\/strong>: L'appareil d\u00e9sign\u00e9 peut utiliser l'IP publique directement sans interf\u00e9rence du NAT du routeur.<\/li>\n\n\n\n<li><strong>Am\u00e9lior\u00e9e <\/strong><strong>VPN<\/strong><strong>Connectivit\u00e9<\/strong>: Certaines configurations VPN n\u00e9cessitent une IP publique pour fonctionner efficacement, ce que permet l'IP passthrough.<\/li>\n\n\n\n<li><strong>\u00c9limine le double <\/strong><strong>NAT<\/strong>: Lorsque plusieurs routeurs sont pr\u00e9sents, le double NAT peut entra\u00eener des probl\u00e8mes de connectivit\u00e9. L'IP passthrough \u00e9vite ce probl\u00e8me en contournant le NAT pour un seul appareil.<\/li>\n\n\n\n<li><strong>Gestion \u00e0 distance des appareils<\/strong>: Des dispositifs tels que des serveurs industriels ou des syst\u00e8mes de surveillance peuvent \u00eatre accessibles directement via l'internet pour une gestion en temps r\u00e9el.<\/li>\n\n\n\n<li><strong>Services d'h\u00e9bergement<\/strong>: L'IP passthrough est id\u00e9al pour les appareils h\u00e9bergeant des applications, car il permet aux utilisateurs externes de se connecter directement sans configuration suppl\u00e9mentaire.<\/li>\n<\/ol>\n\n\n\n<p>En utilisant l'IP passthrough, les r\u00e9seaux industriels peuvent simplifier la connectivit\u00e9 et am\u00e9liorer les performances des appareils critiques.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-when-do-we-need-ip-passthrough\">Quand avons-nous besoin de l'IP Passthrough ?<\/h2>\n\n\n\n<p>L'IP passthrough est n\u00e9cessaire dans plusieurs sc\u00e9narios cl\u00e9s :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Acc\u00e8s \u00e0 distance<\/strong>: Les appareils tels que les contr\u00f4leurs industriels, les cam\u00e9ras ou les serveurs n\u00e9cessitent des adresses IP publiques pour l'acc\u00e8s externe.<\/li>\n\n\n\n<li><strong>VPN<\/strong><strong> Connexions<\/strong>: Si un appareil doit \u00e9tablir un tunnel VPN, une IP publique permet d'\u00e9viter les complications li\u00e9es \u00e0 la NAT et garantit un fonctionnement sans faille.<\/li>\n\n\n\n<li><strong>Double <\/strong><strong>NAT<\/strong><strong> \u00c9limination<\/strong>: Dans les r\u00e9seaux comportant plusieurs routeurs, l'activation de l'IP passthrough permet d'\u00e9viter les probl\u00e8mes de double NAT susceptibles d'interrompre la communication.<\/li>\n\n\n\n<li><strong>H\u00e9bergement de services industriels<\/strong>: Pour les applications telles que les serveurs SCADA, l'h\u00e9bergement de donn\u00e9es ou les passerelles IoT, l'IP passthrough permet un acc\u00e8s fluide depuis l'ext\u00e9rieur du r\u00e9seau.<\/li>\n<\/ul>\n\n\n\n<p>En bref, l'IP passthrough est n\u00e9cessaire lorsqu'un appareil sp\u00e9cifique a besoin d'un acc\u00e8s IP public pour une communication transparente.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-is-ip-passthrough-safe\">L'IP Passthrough est-il s\u00fbr ?<\/h2>\n\n\n\n<p>La s\u00e9curit\u00e9 de l'IP passthrough d\u00e9pend des mesures de s\u00e9curit\u00e9 appropri\u00e9es. En contournant le NAT du routeur, l'appareil connect\u00e9 devient directement accessible depuis l'internet public. Cela peut l'exposer \u00e0 des cybermenaces potentielles.<\/p>\n\n\n\n<p>Pour garantir la s\u00e9curit\u00e9 de l'IP passthrough :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Utiliser un pare-feu<\/strong>: Assurez-vous que l'appareil connect\u00e9 dispose d'un pare-feu pour bloquer les acc\u00e8s non autoris\u00e9s.<\/li>\n\n\n\n<li><strong>Activer les fonctions de s\u00e9curit\u00e9<\/strong>: Utilisez des mots de passe forts, un syst\u00e8me de cryptage et un micrologiciel \u00e0 jour.<\/li>\n\n\n\n<li><strong>Restreindre l'acc\u00e8s<\/strong>: Autoriser uniquement les IP de confiance \u00e0 communiquer avec l'appareil.<\/li>\n\n\n\n<li><strong>Surveiller le trafic<\/strong>: Contr\u00f4ler r\u00e9guli\u00e8rement l'activit\u00e9 de l'appareil pour d\u00e9tecter tout comportement inhabituel.<\/li>\n<\/ul>\n\n\n\n<p>Avec une configuration et des pratiques de s\u00e9curit\u00e9 ad\u00e9quates, l'IP passthrough peut \u00eatre utilis\u00e9 en toute s\u00e9curit\u00e9 dans les environnements industriels.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-what-is-passthrough-mode\">Qu'est-ce que le mode \"Passthrough\" ?<\/h2>\n\n\n\n<p>Le mode Passthrough fait r\u00e9f\u00e9rence \u00e0 la capacit\u00e9 du routeur \u00e0 transmettre l'adresse IP publique directement \u00e0 un seul appareil connect\u00e9 tout en contournant le NAT. Dans ce mode :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Le routeur agit comme un pont.<\/li>\n\n\n\n<li>Un appareil sp\u00e9cifique re\u00e7oit l'adresse IP publique.<\/li>\n\n\n\n<li>Les autres appareils du r\u00e9seau continuent d'utiliser les IP priv\u00e9es attribu\u00e9es par le routeur.<\/li>\n<\/ul>\n\n\n\n<p>Le mode Passthrough est essentiellement le m\u00eame que le mode IP passthrough, permettant une communication directe entre l'appareil d\u00e9sign\u00e9 et l'internet public.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-how-do-i-set-up-ip-passthrough-on-my-industrial-router\">Comment configurer l'IP Passthrough sur mon routeur industriel ?<\/h2>\n\n\n\n<p>Configuration de l'IP passthrough sur un <a href=\"https:\/\/www.trugemtech.com\/fr\/routeurs-industriels\/\">routeur industriel<\/a> est simple. Suivez les \u00e9tapes suivantes :<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>Acc\u00e9der \u00e0 la <\/strong><strong>Routeur<\/strong><strong> Param\u00e8tres<\/strong>: Connectez-vous \u00e0 l'interface web du routeur en utilisant son adresse IP.<\/li>\n\n\n\n<li><strong>Localiser <\/strong><strong>IP<\/strong><strong> Passage<\/strong>: Recherchez l'option IP passthrough dans les param\u00e8tres WAN ou LAN.<\/li>\n\n\n\n<li><strong>Attribuer le dispositif<\/strong>: Choisissez l'adresse MAC ou le nom d'h\u00f4te de l'appareil qui recevra l'IP publique.<\/li>\n\n\n\n<li><strong>Sauvegarder la configuration<\/strong>: Appliquez les param\u00e8tres et red\u00e9marrez le routeur pour activer l'IP passthrough.<\/li>\n\n\n\n<li><strong>V\u00e9rifier la <\/strong><strong>IP<\/strong><strong> Adresse<\/strong>: V\u00e9rifiez que l'appareil connect\u00e9 a bien obtenu l'adresse IP publique.<\/li>\n<\/ol>\n\n\n\n<p>Reportez-vous au manuel de votre routeur pour les instructions sp\u00e9cifiques au mod\u00e8le.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/www.trugemtech.com\/wp-content\/uploads\/2024\/08\/C505-4.png\" alt=\"Routeur industriel 5G C505\" class=\"wp-image-970\" style=\"width:auto;height:500px\" srcset=\"https:\/\/www.trugemtech.com\/wp-content\/uploads\/2024\/08\/C505-4.png 800w, https:\/\/www.trugemtech.com\/wp-content\/uploads\/2024\/08\/C505-4-300x300.png 300w, https:\/\/www.trugemtech.com\/wp-content\/uploads\/2024\/08\/C505-4-150x150.png 150w, https:\/\/www.trugemtech.com\/wp-content\/uploads\/2024\/08\/C505-4-768x768.png 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\" id=\"h-tips-for-setting-up-ip-passthrough\">Conseils pour la configuration de l'IP Passthrough<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>R\u00e9servez le <\/strong><strong>MAC<\/strong><strong> Adresse<\/strong>: Attribuer l'IP publique \u00e0 l'adresse MAC de l'appareil pour \u00e9viter les conflits.<\/li>\n\n\n\n<li><strong>D\u00e9sactiver<\/strong><strong>DHCP<\/strong><strong> pour le passage<\/strong>: Assurez-vous que l'appareil connect\u00e9 peut recevoir directement l'IP publique.<\/li>\n\n\n\n<li><strong>Activer la s\u00e9curit\u00e9<\/strong>: Utilisez des pare-feu et le cryptage pour prot\u00e9ger l'appareil.<\/li>\n\n\n\n<li><strong>Test <\/strong><strong>Connectivit\u00e9<\/strong>: V\u00e9rifiez que l'appareil peut envoyer et recevoir des donn\u00e9es correctement.<\/li>\n\n\n\n<li><strong>Contr\u00f4ler les performances<\/strong>: V\u00e9rifier r\u00e9guli\u00e8rement les performances du r\u00e9seau pour en assurer la stabilit\u00e9.<\/li>\n<\/ul>\n\n\n\n<p>En suivant ces conseils, l'installation et le fonctionnement de l'appareil se d\u00e9rouleront sans heurts.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-frequently-asked-questions-faqs\"><strong>Foire aux questions (FAQ)<\/strong><\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1734337069603\"><strong class=\"schema-faq-question\"><strong>IP Passthrough vs Bridge Mode<\/strong><\/strong> <p class=\"schema-faq-answer\"><em>Les deux permettent \u00e0 un appareil de communiquer directement en utilisant l'IP publique.<br\/>Le mode pont d\u00e9sactive toutes les fonctions de routage, tandis que l'IP passthrough attribue l'IP publique \u00e0 un seul appareil.<br\/>Le mode IP passthrough conserve la fonctionnalit\u00e9 de routeur pour les autres appareils, tandis que le mode pont est id\u00e9al pour les configurations ne n\u00e9cessitant aucun routage.<\/em><\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1734336865926\"><strong class=\"schema-faq-question\"><strong>IP Passthrough vs Port Forwarding<\/strong><\/strong> <p class=\"schema-faq-answer\"><em>Les deux permettent au trafic externe d'atteindre un appareil.<br\/>Le transfert de port n'ouvre que des ports sp\u00e9cifiques, tandis que l'IP passthrough attribue l'int\u00e9gralit\u00e9 de l'IP publique.<br\/>La redirection de port est plus s\u00fbre pour des applications sp\u00e9cifiques, tandis que l'IP passthrough permet un acc\u00e8s externe complet \u00e0 un appareil.<\/em><\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1734337127293\"><strong class=\"schema-faq-question\"><strong>IP Passthrough vs DMZ<\/strong><\/strong> <p class=\"schema-faq-answer\"><em>Tous deux exposent un appareil \u00e0 l'internet public.<br\/>La DMZ ouvre tous les ports tout en utilisant la NAT ; l'IP passthrough contourne enti\u00e8rement la NAT.<br\/>La DMZ est plus facile \u00e0 configurer mais moins s\u00fbre ; l'IP passthrough offre un acc\u00e8s public direct mais n\u00e9cessite davantage de gestion de la s\u00e9curit\u00e9.<\/em><\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1734337150872\"><strong class=\"schema-faq-question\"><strong>Puis-je utiliser l'IP Passthrough avec n'importe quel modem ou routeur ?<\/strong><\/strong> <p class=\"schema-faq-answer\"><em>Non, tous les modems ou routeurs ne prennent pas en charge l'IP passthrough. V\u00e9rifiez les sp\u00e9cifications de l'appareil ou le manuel de l'utilisateur pour vous en assurer.<\/em><\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1734337166421\"><strong class=\"schema-faq-question\"><strong>Comment l'IP Passthrough affecte-t-il les autres appareils du r\u00e9seau ?<\/strong><\/strong> <p class=\"schema-faq-answer\"><em>L'IP passthrough n'attribue l'IP publique qu'\u00e0 un seul appareil. Les autres appareils continuent d'utiliser des IP priv\u00e9es g\u00e9r\u00e9es par le routeur et ne sont pas affect\u00e9s.<\/em><\/p> <\/div> <\/div>","protected":false},"excerpt":{"rendered":"<p>In industrial networking, reliable and efficient connectivity is critical for managing systems and devices. Industrial routers often include a feature called IP passthrough, which enables a connected device to communicate directly with the external network using a public IP address. But how does IP passthrough work on an industrial router? This blog will explore the&hellip;&nbsp;<a href=\"https:\/\/www.trugemtech.com\/fr\/comment-fonctionne-lip-passthrough-sur-un-routeur-industriel\uff1f\/\" class=\"\" rel=\"bookmark\">Lire la suite \"<span class=\"screen-reader-text\">Comment fonctionne l'IP Passthrough sur un routeur industriel\uff1f<\/span><\/a><\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","_themeisle_gutenberg_block_has_review":false,"_ti_tpc_template_sync":false,"_ti_tpc_template_id":"","footnotes":""},"categories":[8],"tags":[107],"class_list":["post-2772","post","type-post","status-publish","format-standard","hentry","category-blog","tag-router"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.6 (Yoast SEO v23.8) - 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