{"id":1012985,"date":"2023-08-18T10:10:29","date_gmt":"2023-08-18T10:10:29","guid":{"rendered":"https:\/\/beta-new.inhand.com\/?p=6779"},"modified":"2026-06-03T11:49:32","modified_gmt":"2026-06-03T11:49:32","slug":"why-use-vrrp-technology","status":"publish","type":"post","link":"https:\/\/www.inhand.com\/fr\/support\/blogs\/why-use-vrrp-technology","title":{"rendered":"Pourquoi utiliser la technologie VRRP\u00a0?"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"1012985\" class=\"elementor elementor-1012985\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f5deb9f e-con-full anli_box e-flex e-con e-parent\" data-id=\"f5deb9f\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-6c1a9e e-con-full anli_box_l e-flex e-con e-child\" data-id=\"6c1a9e\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-34437fe7 elementor-widget-mobile__width-inherit elementor-widget elementor-widget-heading\" data-id=\"34437fe7\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Pourquoi utiliser la technologie VRRP\u00a0?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-3775149e e-con-full e-flex e-con e-child\" data-id=\"3775149e\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-10a10b91 elementor-widget elementor-widget-heading\" data-id=\"10a10b91\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Blogs<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-6bac9b35 e-con-full e-flex e-con e-child\" data-id=\"6bac9b35\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-788fe74d elementor-widget-mobile__width-inherit elementor-widget elementor-widget-heading\" data-id=\"788fe74d\" data-element_type=\"widget\" id=\"maodian1\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Points cl\u00e9s \u00e0 retenir<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-257fbef5 elementor-widget elementor-widget-heading\" data-id=\"257fbef5\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Nous savons que pour permettre la communication entre p\u00e9riph\u00e9riques de diff\u00e9rents sous-r\u00e9seaux, il est n\u00e9cessaire de configurer le routage. Le prochain saut de la route de la passerelle pointe vers un routeur (RouterA) situ\u00e9 dans le segment de r\u00e9seau o\u00f9 se trouve l&#039;h\u00f4te. Le protocole VRRP (Virtual Router Redundancy Protocol) ajoute les routeurs pouvant assurer la fonction de passerelle \u00e0 un groupe de secours afin de former un routeur virtuel.<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-76ab826 elementor-widget elementor-widget-heading\" data-id=\"76ab826\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Pourquoi la technologie VRRP ?<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d5b642b elementor-widget elementor-widget-text-editor\" data-id=\"d5b642b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Nous savons que pour permettre la communication entre appareils situ\u00e9s entre diff\u00e9rents sous-r\u00e9seaux, il est n\u00e9cessaire de configurer le routage. Actuellement, deux m\u00e9thodes de routage sont couramment utilis\u00e9es\u00a0:<\/p><ul><li>\u00a0La premi\u00e8re est l&#039;apprentissage dynamique via les protocoles de routage\u00a0: RIP et OSPF.<\/li><li>La seconde m\u00e9thode consiste \u00e0 utiliser le routage statique\u00a0: configurez le routage statique pour le PC terminal.<\/li><\/ul><p>Chaque option pr\u00e9sente ses propres avantages et inconv\u00e9nients\u00a0:<\/p><ul><li>Le premier itin\u00e9raire peut automatiquement trouver le meilleur chemin, et l&#039;itin\u00e9raire voisin peut \u00e9galement apprendre \u00e0 obtenir la table de routage, mais l&#039;itin\u00e9raire dynamique consomme de la bande passante et du temps de traitement du processeur.<\/li><li>La deuxi\u00e8me voie ne n\u00e9cessite pas de temps de traitement CPU et n&#039;occupe pas la bande passante de la ligne, mais elle n\u00e9cessite la configuration de la passerelle sur le PC du terminal et la charge de travail est relativement importante.<\/li><\/ul><p>Ces deux itin\u00e9raires sont aujourd&#039;hui largement utilis\u00e9s.<\/p><p><strong>Nous allons maintenant analyser uniquement les inconv\u00e9nients du routage statique, car la technologie VRRP est utilis\u00e9e pour le routage statique et non pour le routage dynamique.<\/strong><\/p><p>Pour le routage statique, configurez la passerelle par d\u00e9faut du poste de travail. Si le routeur faisant office de passerelle par d\u00e9faut tombe en panne, la communication de tous les h\u00f4tes utilisant cette passerelle comme prochain saut sera interrompue. Comme illustr\u00e9 dans la figure ci-dessous\u00a0;<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9dd7e68 elementor-widget elementor-widget-image\" data-id=\"9dd7e68\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1400\" height=\"477\" src=\"https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/blog2.1.png\" class=\"attachment-full size-full wp-image-1012689\" alt=\"Sch\u00e9ma de redondance du routeur VRRP montrant les passerelles principales et de secours pour la fiabilit\u00e9 du r\u00e9seau\" srcset=\"https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/blog2.1.png 1400w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/blog2.1-300x102.png 300w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/blog2.1-768x262.png 768w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/blog2.1-18x6.png 18w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/blog2.1-600x204.png 600w\" sizes=\"(max-width: 1400px) 100vw, 1400px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6c861a0 elementor-widget elementor-widget-text-editor\" data-id=\"6c861a0\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>\u00a0<\/p><p>Dans la figure ci-dessus, les h\u00f4tes AD sont tous configur\u00e9s avec une passerelle par d\u00e9faut\u00a0: 10.1.1.1. Le prochain saut de la route de cette passerelle pointe vers un routeur (RouterA) situ\u00e9 sur le segment r\u00e9seau o\u00f9 se trouve l&#039;h\u00f4te. RouterA envoie le message au r\u00e9seau externe, mais si RouterA tombe en panne, tous les h\u00f4tes seront dans l&#039;incapacit\u00e9 de communiquer avec les autres segments r\u00e9seau.<\/p><p>Pour r\u00e9soudre les probl\u00e8mes ci-dessus, nous pouvons ajouter un routeur RouterB, comme illustr\u00e9 dans la figure suivante\u00a0:<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a732aa7 elementor-widget elementor-widget-image\" data-id=\"a732aa7\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1400\" height=\"501\" src=\"https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/blog2.2.png\" class=\"attachment-full size-full wp-image-1012690\" alt=\"Sch\u00e9ma de r\u00e9seau illustrant la mise en \u0153uvre du protocole VRRP pour la redondance du routeur avec le routeur A dans le routage de passerelle.\" srcset=\"https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/blog2.2.png 1400w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/blog2.2-300x107.png 300w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/blog2.2-768x275.png 768w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/blog2.2-18x6.png 18w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/blog2.2-600x215.png 600w\" sizes=\"(max-width: 1400px) 100vw, 1400px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-9aef10b elementor-widget elementor-widget-text-editor\" data-id=\"9aef10b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><br><\/p><p>Lorsque le routeur A tombe en panne, tous les PC basculent automatiquement vers la passerelle du routeur B. Ainsi, la redondance du routeur est assur\u00e9e. Cette technologie est appel\u00e9e VRRP (Virtual Router Redundancy Protocol).<\/p>\n<p>Introduction au VRRP (m\u00e9canisme de transfert)<\/p>\n<p>1. Le protocole VRRP (Virtual Router Redundancy Protocol) ajoute les routeurs pouvant assurer la fonction de passerelle \u00e0 un groupe de secours afin de former un routeur virtuel. Le m\u00e9canisme d&#039;\u00e9lection du VRRP d\u00e9termine quel routeur prend en charge le transfert du trafic\u00a0; les h\u00f4tes du r\u00e9seau local n&#039;ont besoin de configurer que ce routeur virtuel comme passerelle par d\u00e9faut.<\/p>\n<p>2. VRRP est un protocole tol\u00e9rant aux pannes, ce qui am\u00e9liore la fiabilit\u00e9 et simplifie la configuration des h\u00f4tes. Dans un r\u00e9seau local (tel qu&#039;Ethernet) prenant en charge la multidiffusion ou la diffusion, VRRP peut maintenir une liaison par d\u00e9faut hautement fiable m\u00eame en cas de d\u00e9faillance d&#039;un p\u00e9riph\u00e9rique, \u00e9vitant ainsi les interruptions de r\u00e9seau suite \u00e0 la panne d&#039;une liaison, sans n\u00e9cessiter de modification de la configuration, notamment des protocoles de routage dynamique et de d\u00e9couverte de routes.<\/p>\n<p>3. Le protocole VRRP est impl\u00e9ment\u00e9 en deux versions\u00a0: VRRPv2 et VRRPv3. VRRPv2 est bas\u00e9 sur IPv4 et VRRPv3 sur IPv6.<\/p>\n<p>4. Routeur VRRP : Tous les routeurs ex\u00e9cutant le protocole VRRP sont appel\u00e9s routeurs VRRP.<\/p>\n<p>5. Groupe de secours VRRP\u00a0: Plusieurs routeurs sont r\u00e9partis en groupes, dont un routeur principal et les autres routeurs de secours. En g\u00e9n\u00e9ral, seul le routeur principal est actif, tandis que les routeurs de secours restent inactifs. En cas de d\u00e9faillance du routeur principal, l\u2019un des routeurs de secours prend le relais. Les routeurs appartenant \u00e0 ce groupe forment un groupe de secours.<\/p>\n<p>Comme illustr\u00e9 ci-dessous, le syst\u00e8me comprend deux routeurs et deux passerelles. L&#039;un des routeurs est d\u00e9sign\u00e9 comme routeur principal, les deux autres \u00e9tant des routeurs de secours. Le routeur principal assure le transfert des datagrammes, tandis que le routeur de secours reste inactif. En cas de d\u00e9faillance du routeur principal, le routeur de secours prend le relais et assure la continuit\u00e9 du transfert.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-123e60c elementor-widget elementor-widget-image\" data-id=\"123e60c\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1400\" height=\"500\" src=\"https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/blog2.3.png\" class=\"attachment-full size-full wp-image-1012691\" alt=\"Sch\u00e9ma de r\u00e9seau de routeurs illustrant le protocole de redondance VRRP pour la fiabilit\u00e9 en cas de panne\" srcset=\"https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/blog2.3.png 1400w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/blog2.3-300x107.png 300w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/blog2.3-768x274.png 768w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/blog2.3-18x6.png 18w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/blog2.3-600x214.png 600w\" sizes=\"(max-width: 1400px) 100vw, 1400px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a618876 elementor-widget elementor-widget-text-editor\" data-id=\"a618876\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>6. Routeur virtuel\u00a0: Un routeur virtuel est un ensemble de tous les routeurs d&#039;un groupe de secours VRRP. Il s&#039;agit d&#039;un concept logique, et non d&#039;une entit\u00e9 physique. Vu de l&#039;ext\u00e9rieur du groupe de secours, les routeurs semblent former un seul et m\u00eame ensemble\u00a0: routeur ma\u00eetre + tous les routeurs de secours = routeurs virtuels. Chaque routeur virtuel poss\u00e8de une adresse IP et une adresse MAC virtuelles. Si l&#039;adresse IP virtuelle est identique \u00e0 l&#039;adresse IP d&#039;un routeur du groupe de secours, ce routeur est alors consid\u00e9r\u00e9 comme le propri\u00e9taire de l&#039;adresse IP et fait office de routeur principal au sein du groupe.<\/p><p>Comme illustr\u00e9 ci-dessous\u00a0: RA, RB et RC sont des routeurs VRRP formant un groupe de secours VRRP. RA est le routeur principal, tandis que RB et RC sont les routeurs de secours. Ces trois routeurs apparaissent comme un seul, formant ainsi un groupe de routeurs virtuels. Ce routeur virtuel poss\u00e8de une adresse IP virtuelle 10.1.1.1 (l&#039;adresse IP du routeur principal RA). RA est le propri\u00e9taire de cette adresse IP et le routeur principal.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7f23151 elementor-widget elementor-widget-image\" data-id=\"7f23151\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1400\" height=\"474\" src=\"https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/blog2.4.png\" class=\"attachment-full size-full wp-image-1012692\" alt=\"Sch\u00e9ma de r\u00e9seau illustrant la technologie VRRP avec le routeur A pour la redondance et la haute disponibilit\u00e9 des routeurs.\" srcset=\"https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/blog2.4.png 1400w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/blog2.4-300x102.png 300w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/blog2.4-768x260.png 768w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/blog2.4-18x6.png 18w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/blog2.4-600x203.png 600w\" sizes=\"(max-width: 1400px) 100vw, 1400px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e29cf6e elementor-widget elementor-widget-text-editor\" data-id=\"e29cf6e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>\u00a0 \u00a0<\/p><p>\u00a07. Adresse IP virtuelle et adresse MAC : le routeur virtuel du groupe VRRP (groupe de secours) appara\u00eet comme une adresse MAC virtuelle unique, avec le format d&#039;adresse 00\u201300\u20135e-00\u201301-[VRID], et le VRID est le num\u00e9ro du groupe VRRP, allant de 0 \u00e0 255.<\/p><p>Dans la figure ci-dessus, trois routeurs sont dans un groupe, qui peut \u00eatre num\u00e9rot\u00e9 de 0 \u00e0 255.<\/p><p><strong>Note:<\/strong><\/p><p>1. Le routeur virtuel poss\u00e8de une adresse IP. Les h\u00f4tes du r\u00e9seau local doivent uniquement conna\u00eetre cette adresse IP et la d\u00e9finir comme adresse de saut suivant de la route par d\u00e9faut.<\/p><p>2. L&#039;adresse IP du routeur virtuel peut \u00eatre l&#039;adresse IP non attribu\u00e9e dans le segment de r\u00e9seau o\u00f9 se trouve le groupe de sauvegarde, ou elle peut \u00eatre la m\u00eame que l&#039;adresse IP d&#039;interface d&#039;un routeur dans le groupe de sauvegarde.<\/p><p>3. Les routeurs ayant la m\u00eame adresse IP que l&#039;adresse IP virtuelle sont appel\u00e9s propri\u00e9taires d&#039;adresse IP. Un seul propri\u00e9taire d&#039;adresse IP peut \u00eatre configur\u00e9 dans un m\u00eame groupe de sauvegarde VRRP.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1e87d53 e-con-full e-flex e-con e-child\" data-id=\"1e87d53\" data-element_type=\"container\">\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a14c13b e-con-full anli_l_st e-flex e-con e-child\" data-id=\"a14c13b\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;sticky&quot;:&quot;top&quot;,&quot;sticky_offset&quot;:90,&quot;sticky_effects_offset&quot;:100,&quot;sticky_anchor_link_offset&quot;:100,&quot;sticky_parent&quot;:&quot;yes&quot;,&quot;sticky_on&quot;:[&quot;desktop&quot;,&quot;tablet&quot;,&quot;mobile&quot;]}\">\n\t\t<div class=\"elementor-element elementor-element-1da7e082 e-con-full e-flex e-con e-child\" data-id=\"1da7e082\" data-element_type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-69473ed elementor-widget elementor-widget-heading\" data-id=\"69473ed\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">En savoir plus <\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-108ac635 elementor-widget elementor-widget-shortcode\" data-id=\"108ac635\" data-element_type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\">    <style>\n        \/* --- \u8fd9\u91cc\u7684\u53c2\u6570\u5168\u90e8\u4fdd\u7559\u4f60\u7684\u4fee\u6539 --- *\/\n        .vpro-wrapper {\n            width: 100%;\n            max-width: 25rem;\n            height: 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size-full wp-post-image\" alt=\"Sites de surveillance routi\u00e8re distribu\u00e9s connect\u00e9s via la solution SD-WAN d&#039;InHand\" srcset=\"https:\/\/www.inhand.com\/wp-content\/uploads\/2023\/10\/SD-WAN-networking-facilitates-distributed-road-monitoring.png 1360w, https:\/\/www.inhand.com\/wp-content\/uploads\/2023\/10\/SD-WAN-networking-facilitates-distributed-road-monitoring-300x119.png 300w, https:\/\/www.inhand.com\/wp-content\/uploads\/2023\/10\/SD-WAN-networking-facilitates-distributed-road-monitoring-768x305.png 768w, https:\/\/www.inhand.com\/wp-content\/uploads\/2023\/10\/SD-WAN-networking-facilitates-distributed-road-monitoring-18x7.png 18w, https:\/\/www.inhand.com\/wp-content\/uploads\/2023\/10\/SD-WAN-networking-facilitates-distributed-road-monitoring-600x238.png 600w\" sizes=\"(max-width: 1360px) 100vw, 1360px\" \/>                                            <\/a>\n                <\/div>\n                <div class=\"vpro-content\">\n                    <div class=\"vpro-title\">\n                        <a href=\"https:\/\/www.inhand.com\/fr\/cases\/road-monitoring-sd-wan\">R\u00e9seau SD-WAN pour la surveillance routi\u00e8re distribu\u00e9e<\/a>\n                    <\/div>\n                <\/div>\n            <\/div>\n                    <div class=\"vpro-item\">\n                <div class=\"vpro-img-box\">\n                    <a href=\"https:\/\/www.inhand.com\/fr\/industries\/intelligent-public-transport-system-2\">\n                                                    <div style=\"width:100%;height:100%;display:flex;align-items:center;justify-content:center;background:#eee;color:#999;\">Aucune image<\/div>\n                                            <\/a>\n                <\/div>\n                <div class=\"vpro-content\">\n                    <div class=\"vpro-title\">\n                        <a href=\"https:\/\/www.inhand.com\/fr\/industries\/intelligent-public-transport-system-2\">Syst\u00e8me de transport public intelligent<\/a>\n                    <\/div>\n                <\/div>\n            <\/div>\n                    <div class=\"vpro-item\">\n                <div class=\"vpro-img-box\">\n                    <a href=\"https:\/\/www.inhand.com\/fr\/cases\/wireless-connectivity-for-dr-imaging-device\">\n                                                    <img loading=\"lazy\" decoding=\"async\" width=\"1780\" height=\"660\" src=\"https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/05\/Wireless-Connectivity-for-DR-Imaging-Device-banner.jpg\" class=\"attachment-full size-full wp-post-image\" alt=\"\" srcset=\"https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/05\/Wireless-Connectivity-for-DR-Imaging-Device-banner.jpg 1780w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/05\/Wireless-Connectivity-for-DR-Imaging-Device-banner-300x111.jpg 300w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/05\/Wireless-Connectivity-for-DR-Imaging-Device-banner-768x285.jpg 768w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/05\/Wireless-Connectivity-for-DR-Imaging-Device-banner-1536x570.jpg 1536w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/05\/Wireless-Connectivity-for-DR-Imaging-Device-banner-18x7.jpg 18w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/05\/Wireless-Connectivity-for-DR-Imaging-Device-banner-600x222.jpg 600w\" sizes=\"(max-width: 1780px) 100vw, 1780px\" \/>                                            <\/a>\n                <\/div>\n                <div class=\"vpro-content\">\n                    <div class=\"vpro-title\">\n                        <a href=\"https:\/\/www.inhand.com\/fr\/cases\/wireless-connectivity-for-dr-imaging-device\">Connectivit\u00e9 sans fil pour les appareils d&#039;imagerie DR<\/a>\n                    <\/div>\n                <\/div>\n            <\/div>\n                    <div class=\"vpro-item\">\n                <div class=\"vpro-img-box\">\n                    <a href=\"https:\/\/www.inhand.com\/fr\/cases\/5g-connectivity-for-business-travels\">\n                                                    <img loading=\"lazy\" decoding=\"async\" width=\"1780\" height=\"660\" src=\"https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/05\/5G-Connectivity-for-Business-Travels-banner.jpg\" class=\"attachment-full size-full wp-post-image\" alt=\"\" srcset=\"https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/05\/5G-Connectivity-for-Business-Travels-banner.jpg 1780w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/05\/5G-Connectivity-for-Business-Travels-banner-300x111.jpg 300w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/05\/5G-Connectivity-for-Business-Travels-banner-768x285.jpg 768w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/05\/5G-Connectivity-for-Business-Travels-banner-1536x570.jpg 1536w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/05\/5G-Connectivity-for-Business-Travels-banner-18x7.jpg 18w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/05\/5G-Connectivity-for-Business-Travels-banner-600x222.jpg 600w\" sizes=\"(max-width: 1780px) 100vw, 1780px\" \/>                                            <\/a>\n                <\/div>\n                <div class=\"vpro-content\">\n                    <div class=\"vpro-title\">\n                        <a href=\"https:\/\/www.inhand.com\/fr\/cases\/5g-connectivity-for-business-travels\">La connectivit\u00e9 5G pour les voyages d&#039;affaires<\/a>\n                    <\/div>\n                <\/div>\n            <\/div>\n                    <div class=\"vpro-item\">\n                <div class=\"vpro-img-box\">\n                    <a href=\"https:\/\/www.inhand.com\/fr\/cases\/5g-connectivity-for-small-retail-stores\">\n                                                    <img loading=\"lazy\" decoding=\"async\" width=\"1780\" height=\"660\" src=\"https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/05\/5G-Connectivity-for-Small-Retail-Stores-banner.jpg\" class=\"attachment-full size-full wp-post-image\" alt=\"\" srcset=\"https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/05\/5G-Connectivity-for-Small-Retail-Stores-banner.jpg 1780w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/05\/5G-Connectivity-for-Small-Retail-Stores-banner-300x111.jpg 300w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/05\/5G-Connectivity-for-Small-Retail-Stores-banner-768x285.jpg 768w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/05\/5G-Connectivity-for-Small-Retail-Stores-banner-1536x570.jpg 1536w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/05\/5G-Connectivity-for-Small-Retail-Stores-banner-18x7.jpg 18w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/05\/5G-Connectivity-for-Small-Retail-Stores-banner-600x222.jpg 600w\" sizes=\"(max-width: 1780px) 100vw, 1780px\" \/>                                            <\/a>\n                <\/div>\n                <div class=\"vpro-content\">\n                    <div class=\"vpro-title\">\n                        <a href=\"https:\/\/www.inhand.com\/fr\/cases\/5g-connectivity-for-small-retail-stores\">La connectivit\u00e9 5G pour les petits commerces de d\u00e9tail<\/a>\n                    <\/div>\n                <\/div>\n            <\/div>\n                    <div class=\"vpro-item\">\n                <div class=\"vpro-img-box\">\n                    <a href=\"https:\/\/www.inhand.com\/fr\/cases\/5g-connectivity-for-rv-travel\">\n                                                    <img loading=\"lazy\" decoding=\"async\" width=\"1780\" height=\"660\" src=\"https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/05\/5G-Connectivity-for-RV-Travel-banner.jpg\" class=\"attachment-full size-full wp-post-image\" alt=\"\" srcset=\"https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/05\/5G-Connectivity-for-RV-Travel-banner.jpg 1780w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/05\/5G-Connectivity-for-RV-Travel-banner-300x111.jpg 300w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/05\/5G-Connectivity-for-RV-Travel-banner-768x285.jpg 768w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/05\/5G-Connectivity-for-RV-Travel-banner-1536x570.jpg 1536w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/05\/5G-Connectivity-for-RV-Travel-banner-18x7.jpg 18w, https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/05\/5G-Connectivity-for-RV-Travel-banner-600x222.jpg 600w\" sizes=\"(max-width: 1780px) 100vw, 1780px\" \/>                                            <\/a>\n                <\/div>\n                <div class=\"vpro-content\">\n                    <div class=\"vpro-title\">\n                        <a href=\"https:\/\/www.inhand.com\/fr\/cases\/5g-connectivity-for-rv-travel\">La connectivit\u00e9 5G pour les voyages en camping-car<\/a>\n                    <\/div>\n                <\/div>\n            <\/div>\n        \n        <div class=\"vpro-bottom-spacer\"><\/div>\n    <\/div>\n    <\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Pourquoi utiliser la technologie VRRP\u00a0? Nous savons que pour permettre la communication entre des p\u00e9riph\u00e9riques situ\u00e9s sur diff\u00e9rents sous-r\u00e9seaux, il est n\u00e9cessaire de configurer le routage. Actuellement, deux m\u00e9thodes de routage sont couramment utilis\u00e9es\u00a0: la premi\u00e8re est l\u2019apprentissage dynamique\u2026<\/p>","protected":false},"author":1,"featured_media":960008,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[817],"tags":[],"case_tag":[],"class_list":["post-1012985","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blogs"],"blocksy_meta":[],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.6 (Yoast SEO v26.6) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>VRRP Gateway Redundancy: Eliminating Static Routing Failure<\/title>\n<meta name=\"description\" content=\"VRRP technology creates a virtual router from backup groups, ensuring automatic failover when a gateway fails. Supports VRRPv2 (IPv4) &amp; VRRPv3 (IPv6) for uninterrupted network communication without dynamic routing overhead.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.inhand.com\/fr\/support\/blogs\/why-use-vrrp-technology\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Why Use VRRP technology?\" \/>\n<meta property=\"og:description\" content=\"We know that in order to realize device communication between different subnets, we need to configure routing.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.inhand.com\/fr\/support\/blogs\/why-use-vrrp-technology\" \/>\n<meta property=\"og:site_name\" content=\"InHand Networks\" \/>\n<meta property=\"article:published_time\" content=\"2023-08-18T10:10:29+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-06-03T11:49:32+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/vrrp.png\" \/>\n\t<meta property=\"og:image:width\" content=\"600\" \/>\n\t<meta property=\"og:image:height\" content=\"352\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Why Use VRRP technology?\" \/>\n<meta name=\"twitter:description\" content=\"We know that in order to realize device communication between different subnets, we need to configure routing.\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.inhand.com\/fr\/support\/blogs\/why-use-vrrp-technology#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.inhand.com\/fr\/support\/blogs\/why-use-vrrp-technology\"},\"author\":{\"name\":\"admin\",\"@id\":\"https:\/\/www.inhand.com\/fr\/#\/schema\/person\/f28b5f5eb652f2ac06a75a465b789734\"},\"headline\":\"Why Use VRRP technology?\",\"datePublished\":\"2023-08-18T10:10:29+00:00\",\"dateModified\":\"2026-06-03T11:49:32+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.inhand.com\/fr\/support\/blogs\/why-use-vrrp-technology\"},\"wordCount\":42,\"publisher\":{\"@id\":\"https:\/\/www.inhand.com\/fr\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.inhand.com\/fr\/support\/blogs\/why-use-vrrp-technology#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/vrrp.png\",\"articleSection\":[\"blog\"],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.inhand.com\/fr\/support\/blogs\/why-use-vrrp-technology\",\"url\":\"https:\/\/www.inhand.com\/fr\/support\/blogs\/why-use-vrrp-technology\",\"name\":\"VRRP Gateway Redundancy: Eliminating Static Routing Failure\",\"isPartOf\":{\"@id\":\"https:\/\/www.inhand.com\/fr\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.inhand.com\/fr\/support\/blogs\/why-use-vrrp-technology#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.inhand.com\/fr\/support\/blogs\/why-use-vrrp-technology#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.inhand.com\/wp-content\/uploads\/2026\/03\/vrrp.png\",\"datePublished\":\"2023-08-18T10:10:29+00:00\",\"dateModified\":\"2026-06-03T11:49:32+00:00\",\"description\":\"VRRP technology creates a virtual router from backup groups, ensuring automatic failover when a gateway fails. 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