{"id":156,"date":"2026-05-02T00:28:21","date_gmt":"2026-05-01T22:28:21","guid":{"rendered":"https:\/\/eryann.fr\/?p=156"},"modified":"2026-05-02T14:08:16","modified_gmt":"2026-05-02T12:08:16","slug":"fiche-proxmox-gestion-du-reseau-et-configuration-des-interfaces","status":"publish","type":"post","link":"https:\/\/eryann.fr\/index.php\/reseau\/fiche-proxmox-gestion-du-reseau-et-configuration-des-interfaces\/","title":{"rendered":"Fiche proxmox : gestion du r\u00e9seau et configuration des interfaces"},"content":{"rendered":"\n<p>Pour les \u00e9tudiants en BTS CIEL ou SIO, Proxmox permet de g\u00e9rer le r\u00e9seau \u00e0 la fois en ligne de commande et via une interface graphique.<br>La compr\u00e9hension des deux m\u00e9thodes est essentielle pour :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>configurer rapidement une infrastructure<\/li>\n\n\n\n<li>d\u00e9panner efficacement<\/li>\n\n\n\n<li>visualiser l\u2019architecture r\u00e9seau<\/li>\n<\/ul>\n\n\n\n<p>Cette fiche couvre :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>bridges<\/li>\n\n\n\n<li>VLAN<\/li>\n\n\n\n<li>configuration via GUI<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"683\" height=\"1024\" src=\"https:\/\/eryann.fr\/wp-content\/uploads\/2026\/05\/ad621f17-d5cb-4742-918c-0d519876262b-683x1024.png\" alt=\"\" class=\"wp-image-157\" srcset=\"https:\/\/eryann.fr\/wp-content\/uploads\/2026\/05\/ad621f17-d5cb-4742-918c-0d519876262b-683x1024.png 683w, https:\/\/eryann.fr\/wp-content\/uploads\/2026\/05\/ad621f17-d5cb-4742-918c-0d519876262b-200x300.png 200w, https:\/\/eryann.fr\/wp-content\/uploads\/2026\/05\/ad621f17-d5cb-4742-918c-0d519876262b-768x1152.png 768w, https:\/\/eryann.fr\/wp-content\/uploads\/2026\/05\/ad621f17-d5cb-4742-918c-0d519876262b.png 1024w\" sizes=\"auto, (max-width: 683px) 100vw, 683px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Configuration r\u00e9seau Proxmox (CLI)<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code># =========================================================<br># FICHIER PRINCIPAL<br># =========================================================<br><br>nano \/etc\/network\/interfaces<br><br>auto lo<br>iface lo inet loopback<br><br># Interface physique<br>auto eno1<br>iface eno1 inet manual<br><br># =========================================================<br># BRIDGE PRINCIPAL<br># =========================================================<br><br>auto vmbr0<br>iface vmbr0 inet static<br>    address 192.168.1.10\/24<br>    gateway 192.168.1.1<br>    bridge-ports eno1<br>    bridge-stp off<br>    bridge-fd 0<br><br># =========================================================<br># BRIDGE INTERNE<br># =========================================================<br><br>auto vmbr1<br>iface vmbr1 inet static<br>    address 10.10.10.1\/24<br>    bridge-ports none<br>    bridge-stp off<br>    bridge-fd 0<br><br># =========================================================<br># VLAN<br># =========================================================<br><br>auto vmbr0.10<br>iface vmbr0.10 inet static<br>    address 192.168.10.1\/24<br><br># =========================================================<br># REDEMARRAGE<br># =========================================================<br><br>systemctl restart networking<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Configuration via interface graphique Proxmox<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. Acc\u00e8s \u00e0 la configuration r\u00e9seau<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Se connecter \u00e0 l\u2019interface web Proxmox<\/li>\n\n\n\n<li>S\u00e9lectionner le n\u0153ud (serveur)<\/li>\n\n\n\n<li>Aller dans <strong>System \u2192 Network<\/strong><\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">2. Cr\u00e9ation d\u2019un bridge (vmbr0)<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Cliquer sur <strong>Create \u2192 Linux Bridge<\/strong><\/li>\n\n\n\n<li>Renseigner :\n<ul class=\"wp-block-list\">\n<li>Name : <code>vmbr0<\/code><\/li>\n\n\n\n<li>Bridge ports : <code>eno1<\/code><\/li>\n\n\n\n<li>IPv4\/CIDR : <code>192.168.1.10\/24<\/code><\/li>\n\n\n\n<li>Gateway : <code>192.168.1.1<\/code><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Valider<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">3. Cr\u00e9ation d\u2019un bridge interne (vmbr1)<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Create \u2192 Linux Bridge<\/strong><\/li>\n\n\n\n<li>Renseigner :\n<ul class=\"wp-block-list\">\n<li>Name : <code>vmbr1<\/code><\/li>\n\n\n\n<li>Bridge ports : vide<\/li>\n\n\n\n<li>IPv4 : <code>10.10.10.1\/24<\/code><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Valider<\/li>\n<\/ol>\n\n\n\n<p>Utilisation :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>r\u00e9seau isol\u00e9<\/li>\n\n\n\n<li>lab<\/li>\n\n\n\n<li>VM internes<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">4. Configuration VLAN<\/h3>\n\n\n\n<p>Deux m\u00e9thodes :<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">M\u00e9thode 1 : VLAN sur bridge<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Modifier <code>vmbr0<\/code><\/li>\n\n\n\n<li>Activer <strong>VLAN aware<\/strong><\/li>\n<\/ol>\n\n\n\n<h4 class=\"wp-block-heading\">M\u00e9thode 2 : VLAN tag sur VM<\/h4>\n\n\n\n<p>Dans une VM :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hardware \u2192 Network Device<\/li>\n\n\n\n<li>VLAN Tag : <code>10<\/code><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">5. Application des modifications<\/h3>\n\n\n\n<p>Apr\u00e8s modification :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>cliquer sur <strong>Apply Configuration<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Attention :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>risque de coupure r\u00e9seau si erreur<\/li>\n\n\n\n<li>pr\u00e9voir un acc\u00e8s console<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Attribution r\u00e9seau aux VM<\/h2>\n\n\n\n<p>Dans l\u2019interface Proxmox :<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>S\u00e9lectionner une VM<\/li>\n\n\n\n<li>Hardware \u2192 Network Device<\/li>\n\n\n\n<li>Choisir :\n<ul class=\"wp-block-list\">\n<li>Bridge : <code>vmbr0<\/code> (r\u00e9seau principal)<\/li>\n\n\n\n<li>Bridge : <code>vmbr1<\/code> (r\u00e9seau interne)<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Option VLAN :\n<ul class=\"wp-block-list\">\n<li>VLAN Tag : <code>10<\/code><\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Explication d\u00e9taill\u00e9e<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Bridge<\/h3>\n\n\n\n<p>Un bridge agit comme un switch virtuel :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>relie les VM entre elles<\/li>\n\n\n\n<li>connecte les VM au r\u00e9seau physique<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">VLAN<\/h3>\n\n\n\n<p>Permet de segmenter le r\u00e9seau :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>s\u00e9paration logique<\/li>\n\n\n\n<li>s\u00e9curit\u00e9<\/li>\n\n\n\n<li>organisation<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Interface graphique vs CLI<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>GUI \u2192 rapide, visuel<\/li>\n\n\n\n<li>CLI \u2192 pr\u00e9cis, scriptable<\/li>\n<\/ul>\n\n\n\n<p>Les deux modifient le m\u00eame fichier :<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/etc\/network\/interfaces<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Tests et v\u00e9rification<\/h2>\n\n\n\n<p>Sur Proxmox :<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ip a<br>ip route<\/code><\/pre>\n\n\n\n<p>Depuis une VM :<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>ping 192.168.1.1<br>ping 8.8.8.8<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Bonnes pratiques<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>toujours utiliser un bridge (pas d\u2019IP sur interface physique)<\/li>\n\n\n\n<li>sauvegarder la configuration avant modification<\/li>\n\n\n\n<li>documenter les VLAN<\/li>\n\n\n\n<li>tester apr\u00e8s chaque changement<\/li>\n\n\n\n<li>utiliser VLAN aware pour flexibilit\u00e9<\/li>\n\n\n\n<li>pr\u00e9voir acc\u00e8s console (iDRAC, KVM\u2026)<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">R\u00e9capitulatif des fichiers importants<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Fichier<\/th><th>R\u00f4le<\/th><\/tr><\/thead><tbody><tr><td>\/etc\/network\/interfaces<\/td><td>configuration r\u00e9seau<\/td><\/tr><tr><td>\/etc\/hosts<\/td><td>r\u00e9solution locale<\/td><\/tr><tr><td>\/etc\/resolv.conf<\/td><td>DNS<\/td><\/tr><tr><td>ip a \/ ip route<\/td><td>diagnostic<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p>Proxmox offre une gestion r\u00e9seau puissante et flexible :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>bridges pour connecter les VM<\/li>\n\n\n\n<li>VLAN pour segmenter<\/li>\n\n\n\n<li>GUI pour simplifier<\/li>\n<\/ul>\n\n\n\n<p>La ma\u00eetrise CLI + interface graphique permet :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>de d\u00e9ployer rapidement<\/li>\n\n\n\n<li>de diagnostiquer efficacement<\/li>\n\n\n\n<li>de construire des architectures r\u00e9seau compl\u00e8tes<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Pour les \u00e9tudiants en BTS CIEL ou SIO, Proxmox permet de g\u00e9rer le r\u00e9seau \u00e0 la fois en ligne de commande et via une interface graphique.La compr\u00e9hension des deux m\u00e9thodes est essentielle pour : Cette fiche couvre : Configuration r\u00e9seau Proxmox (CLI) Configuration via interface graphique Proxmox 1. Acc\u00e8s \u00e0 la configuration r\u00e9seau 2. Cr\u00e9ation [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[12,10],"tags":[],"class_list":["post-156","post","type-post","status-publish","format-standard","hentry","category-linux","category-reseau"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Fiche proxmox : gestion du r\u00e9seau et configuration des interfaces - Eryann Breizh SecOps<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/eryann.fr\/index.php\/reseau\/fiche-proxmox-gestion-du-reseau-et-configuration-des-interfaces\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Fiche proxmox : gestion du r\u00e9seau et configuration des interfaces - Eryann Breizh SecOps\" \/>\n<meta property=\"og:description\" content=\"Pour les \u00e9tudiants en BTS CIEL ou SIO, Proxmox permet de g\u00e9rer le r\u00e9seau \u00e0 la fois en ligne de commande et via une interface graphique.La compr\u00e9hension des deux m\u00e9thodes est essentielle pour : Cette fiche couvre : Configuration r\u00e9seau Proxmox (CLI) Configuration via interface graphique Proxmox 1. 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