{"id":174,"date":"2014-08-14T06:49:31","date_gmt":"2014-08-14T05:49:31","guid":{"rendered":"http:\/\/www.perillo.ch\/blog\/?p=174"},"modified":"2022-02-04T11:07:21","modified_gmt":"2022-02-04T10:07:21","slug":"enabling-and-disabling-cisco-discovery-protocol-cdp","status":"publish","type":"post","link":"http:\/\/www.perillo.ch\/blog\/enabling-and-disabling-cisco-discovery-protocol-cdp\/","title":{"rendered":"Activer et d\u00e9sactiv\u00e9 le Cisco Discovery Protocol (CDP)"},"content":{"rendered":"<p style=\"text-align: justify;\"><span class=\"hps\">Pour<\/span> <span class=\"hps\">une vari\u00e9t\u00e9 de<\/span> <span class=\"hps\">raisons<\/span> <span class=\"hps\">Cisco Discovery Protocol<\/span> <span class=\"hps atn\">(<\/span>CDP) <span class=\"hps atn\">peut avoir besoin d&rsquo;<\/span>\u00eatre activ\u00e9 <span class=\"hps\">ou<\/span> <span class=\"hps\">d\u00e9sactiv\u00e9<\/span> <span class=\"hps\">sur des parties<\/span> <span class=\"hps\">de<\/span> <span class=\"hps\">votre r\u00e9seau<\/span>. <span class=\"hps\">CDP<\/span>, une fois pleinement <span class=\"hps\">activ\u00e9,<\/span> <span class=\"hps\">vous permet essentiellement<\/span> <span class=\"hps\">d&rsquo;identifier<\/span> <span class=\"hps\">les p\u00e9riph\u00e9riques Cisco<\/span> <span class=\"hps\">sur<\/span> <span class=\"hps\">votre r\u00e9seau<\/span> <span class=\"hps\">et de voir<\/span> <span class=\"hps\">comment ils sont connect\u00e9s<\/span>.<\/p>\n<p><!--more--><\/p>\n<h3 style=\"text-align: justify;\">Activer\u00a0CDP<\/h3>\n<p><span class=\"hps\">M\u00eame si<\/span> <span class=\"hps\">CDP<\/span> <span class=\"hps\">est activ\u00e9 par d\u00e9faut<\/span> <span class=\"hps\">sur<\/span> <span class=\"hps\">\u200b\u200bvos<\/span> <span class=\"hps\">p\u00e9riph\u00e9riques Cisco<\/span>, <span class=\"hps\">vous pourriez<\/span> <span class=\"hps\">h\u00e9riter d&rsquo;un<\/span> <span class=\"hps\">r\u00e9seau o\u00f9<\/span> <span class=\"hps\">l&rsquo;administrateur<\/span> <span class=\"hps\">pr\u00e9c\u00e9dent avait<\/span> <span class=\"hps\">CDP<\/span> <span class=\"hps\">d\u00e9sactiv\u00e9<\/span> <span class=\"hps\">parce qu&rsquo;il n&rsquo;aimait pas<\/span>\u00a0<span class=\"hps\">CDP<\/span> <span class=\"hps atn\">(<\/span>ou <span class=\"hps\">pour une autre raison<\/span> <span class=\"hps\">tout aussi valable<\/span>).<\/p>\n<p style=\"text-align: justify;\"><span class=\"hps\">Si vous trouvez que<\/span> <span class=\"hps\">le CDP<\/span> <span class=\"hps\">n&rsquo;est pas<\/span> <span class=\"hps\">en cours d&rsquo;ex\u00e9cution<\/span> <span class=\"hps\">sur votre appareil<\/span>, vous pouvez activer <span class=\"hps\">CDP<\/span> <span class=\"hps\">en utilisant<\/span> <span class=\"hps\">la<\/span> <span class=\"hps\">commande d&rsquo;ex\u00e9cution<\/span> <span class=\"hps\">cdp<\/span> <span class=\"hps\">comme suit:<\/span><\/p>\n<pre>Switch1&gt;enable\r\nSwitch1#configure terminal\r\nEnter configuration commands, one per line. End with CNTL\/Z.\r\nSwitch1(config)#cdp ?\r\nadvertise-v2 CDP sends version-2 advertisements\r\nholdtime Specify the holdtime (in sec) to be sent in packets\r\nrun Enable CDP\r\ntimer Specify the rate at which CDP packets are sent (in sec)\r\nSwitch1(config)#cdp run\r\nSwitch1(config)#endDisabling CDP<\/pre>\n<p style=\"text-align: justify;\"><span id=\"result_box\" lang=\"fr\"><span class=\"hps\">Apr\u00e8s<\/span> <span class=\"hps\">\u00e7a CDP<\/span> <span class=\"hps\">est<\/span> <span class=\"hps\">en cours d&rsquo;ex\u00e9cution<\/span> <span class=\"hps\">sur votre appareil,<\/span> <span class=\"hps\">par d\u00e9faut<\/span>, le CDP <span class=\"hps\">est activ\u00e9 sur<\/span> <span class=\"hps\">toutes les interfaces<\/span> <span class=\"hps\">de l&rsquo;appareil.<\/span> <span class=\"hps\">\u00c0 certains moments<\/span>, vous <span class=\"hps\">pouvez d\u00e9sactiver<\/span> <span class=\"hps\">CDP<\/span> <span class=\"hps\">&#8211;<\/span> <span class=\"hps\">par exemple,<\/span> <span class=\"hps\">sur l&rsquo;interface externe<\/span> <span class=\"hps\">du routeur<\/span> <span class=\"hps\">connect\u00e9 \u00e0 Internet<\/span> <span class=\"hps\">\u00e0 votre FAI<\/span> <span class=\"hps\">parce que le FAI <\/span><span class=\"hps\">n&rsquo;a pas besoin de<\/span> <span class=\"hps\">plus d&rsquo;informations sur<\/span> <span class=\"hps\">la configuration du r\u00e9seau<\/span> <span class=\"hps\">interne<\/span>.<\/span><\/p>\n<div id=\"gt-edit\" style=\"text-align: justify; display: none;\">\n<div style=\"width: 100%;\">\n<p><textarea id=\"contribute-target\" class=\"goog-textarea\" dir=\"ltr\" style=\"height: auto; padding-right: 20px; overflow-x: auto; overflow-y: hidden; box-sizing: border-box;\" tabindex=\"0\" spellcheck=\"false\" name=\"edit-text\" rows=\"1\" wrap=\"SOFT\"><\/textarea><\/p>\n<div id=\"gt-clear\" class=\"clear-button goog-toolbar-button\" style=\"right: 0px; display: none;\" data-tooltip-align=\"t,c\" data-tooltip=\"Supprimer le texte\"><\/div>\n<\/div>\n<\/div>\n<div id=\"gt-res-tools\" style=\"text-align: justify;\"><\/div>\n<p style=\"text-align: justify;\"><span class=\"hps\">Cette m\u00e9thode<\/span> <span class=\"hps\">d\u00e9sactive<\/span> <span class=\"hps\">CDP<\/span> <span class=\"hps\">sur<\/span> <span class=\"hps\">une interface sp\u00e9cifique<\/span> <span class=\"hps\">o\u00f9 vous<\/span> <span class=\"hps\">choisissez de ne pas<\/span> <span class=\"hps\">transmettre des donn\u00e9es<\/span> <span class=\"hps\">CDP<\/span>, mais le laisse <span class=\"hps\">activ\u00e9 sur le p\u00e9riph\u00e9rique<\/span>, <span class=\"hps\">si<\/span> <span class=\"hps\">vous \u00eates toujours<\/span> <span class=\"hps\">en mesure de<\/span> <span class=\"hps\">recevoir des donn\u00e9es<\/span> <span class=\"hps\">CDP<\/span>. <span class=\"hps\">Pour d\u00e9sactiver<\/span> <span class=\"hps\">CDP<\/span> <span class=\"hps\">sur une interface,<\/span> <span class=\"hps\">utiliser le mode<\/span> <span class=\"hps\">de configuration d&rsquo;interface<\/span>, <span class=\"hps\">comme indiqu\u00e9 ici:<\/span><\/p>\n<pre>Switch1&gt;enable\r\nSwitch1#configure terminal\r\nEnter configuration commands, one per line. End with CNTL\/Z.\r\nSwitch1(config)#interface fastEthernet 0\/1\r\nSwitch1(config-if)#no cdp enable\r\nSwitch1(config)#<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>Pour une vari\u00e9t\u00e9 de raisons Cisco Discovery Protocol (CDP) peut avoir besoin d&rsquo;\u00eatre activ\u00e9 ou d\u00e9sactiv\u00e9 sur des parties de votre r\u00e9seau. CDP, une fois pleinement activ\u00e9, vous permet essentiellement d&rsquo;identifier les p\u00e9riph\u00e9riques Cisco sur votre r\u00e9seau et de voir comment ils sont connect\u00e9s.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[33,34,24],"tags":[5,6,39],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v18.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<meta name=\"description\" content=\"Pour une vari\u00e9t\u00e9 de raisons Cisco Discovery Protocol (CDP) peut avoir besoin d&#039;\u00eatre activ\u00e9 ou d\u00e9sactiv\u00e9 sur des parties de votre r\u00e9seau. 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