{"id":7334,"date":"2022-04-19T15:52:50","date_gmt":"2022-04-19T12:52:50","guid":{"rendered":"https:\/\/vasexperts.com\/?p=7334"},"modified":"2025-08-13T14:19:00","modified_gmt":"2025-08-13T11:19:00","slug":"study-pptp-connection-test","status":"publish","type":"post","link":"https:\/\/vasexperts.com\/fr\/blog\/telecom\/study-pptp-connection-test\/","title":{"rendered":"Test de connexion PPTP"},"content":{"rendered":"<h2>Objet<\/h2>\r\n<ol>\r\n \t<li>Impl\u00e9menter le serveur PPTP et le client PPTP dans diff\u00e9rents conteneurs Docker sur les interfaces virtuelles (veth), simulant ainsi une connexion PPTP r\u00e9elle sur le m\u00eame h\u00f4te. Le sch\u00e9ma de connection est pr\u00e9sent\u00e9 sur la figure 1.<\/li>\r\n \t<li>Impl\u00e9menter la connexion sur les interfaces physiques de la carte test\u00e9e. Le sch\u00e9ma de connection est repr\u00e9sent\u00e9 sur la figure 2.<\/li>\r\n \t<li>Obtenir pour chaque m\u00e9thode de connexion PCAP et comparer les r\u00e9sultats obtenus.<\/li>\r\n<\/ol>\r\n\u00a0\r\n<div class=\"table\">\r\n<div class=\"table__body\">\r\n<div class=\"table__row\">\r\n<div class=\"table__cell table__cell--2\">Sp\u00e9cification du banc d\u2019essai :   <\/div>  \r\n<div class=\"table__cell table__cell--2\">   <\/div>  \r\n   <\/div>  \r\n<div class=\"table__row\">\r\n<div class=\"table__cell table__cell--2\">CPU   <\/div>  \r\n<div class=\"table__cell table__cell--2\">Intel(R) Xeon(R) CPU E3-1240 V2 @ 3.40GHz   <\/div>  \r\n   <\/div>  \r\n<div class=\"table__row\">\r\n<div class=\"table__cell table__cell--2\">M\u00e9moire   <\/div>  \r\n<div class=\"table__cell table__cell--2\">Total 16GiB @ 1600MHz   <\/div>  \r\n   <\/div>  \r\n<div class=\"table__row\">\r\n<div class=\"table__cell table__cell--2\">NIC   <\/div>  \r\n<div class=\"table__cell table__cell--2\">Ethernet Controller E810-C Dual-Port 100GbE QSFP   <\/div>  \r\n   <\/div>  \r\n<div class=\"table__row\">\r\n<div class=\"table__cell table__cell--2\">Syst\u00e8me d\u2019exploitation   <\/div>  \r\n<div class=\"table__cell table__cell--2\">Linux CentOS   <\/div>  \r\n   <\/div>  \r\n<div class=\"table__row\">\r\n<div class=\"table__cell table__cell--2\">Linux kernel version   <\/div>  \r\n<div class=\"table__cell table__cell--2\">4.18.0-348.el8.x86_64   <\/div>  \r\n   <\/div>  \r\n<div class=\"table__row\">\r\n<div class=\"table__cell table__cell--2\">Driver   <\/div>  \r\n<div class=\"table__cell table__cell--2\">ice 0.8.2-k   <\/div>  \r\n   <\/div>  \r\n   <\/div>  \r\n   <\/div>  \r\n\u00a0\r\n\r\n<h2>Impl\u00e9mentation<\/h2>\r\n<noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/04\/virtual-testing-1140x412-1-1024x370.png\" alt=\"virtual testing\" width=\"100%\" height=\"auto\" class=\"alignnone size-large wp-image-7354\" srcset=\"\/wp-content\/uploads\/2022\/04\/virtual-testing-1140x412-1-1024x370.png 1024w, \/wp-content\/uploads\/2022\/04\/virtual-testing-1140x412-1-300x108.png 300w, \/wp-content\/uploads\/2022\/04\/virtual-testing-1140x412-1-768x278.png 768w, \/wp-content\/uploads\/2022\/04\/virtual-testing-1140x412-1.png 1140w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><\/noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/04\/virtual-testing-1140x412-1-1024x370.png\" alt=\"virtual testing\" width=\"100%\" height=\"auto\" class=\"alignnone size-large wp-image-7354 lazyload\" sizes=\"(max-width: 1024px) 100vw, 1024px\" data-src=\"\/wp-content\/uploads\/2022\/04\/virtual-testing-1140x412-1-1024x370.png\" data-srcset=\"\/wp-content\/uploads\/2022\/04\/virtual-testing-1140x412-1-1024x370.png 1024w, \/wp-content\/uploads\/2022\/04\/virtual-testing-1140x412-1-300x108.png 300w, \/wp-content\/uploads\/2022\/04\/virtual-testing-1140x412-1-768x278.png 768w, \/wp-content\/uploads\/2022\/04\/virtual-testing-1140x412-1.png 1140w\">\r\n<p style=\"text-align: center;\">Figure 1. Sch\u00e9ma de test sur les interfaces virtuelles.<\/p>\r\n\r\n<noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/04\/physical-testing-1140x466-1-1024x419.png\" alt=\"physical testing\" width=\"100%\" height=\"auto\" class=\"alignnone size-large wp-image-7356\" srcset=\"\/wp-content\/uploads\/2022\/04\/physical-testing-1140x466-1-1024x419.png 1024w, \/wp-content\/uploads\/2022\/04\/physical-testing-1140x466-1-300x123.png 300w, \/wp-content\/uploads\/2022\/04\/physical-testing-1140x466-1-768x314.png 768w, \/wp-content\/uploads\/2022\/04\/physical-testing-1140x466-1.png 1140w\" sizes=\"(max-width: 1024px) 100vw, 1024px\"><\/noscript><img decoding=\"async\" src=\"\/wp-content\/uploads\/2022\/04\/physical-testing-1140x466-1-1024x419.png\" alt=\"physical testing\" width=\"100%\" height=\"auto\" class=\"alignnone size-large wp-image-7356 lazyload\" sizes=\"(max-width: 1024px) 100vw, 1024px\" data-src=\"\/wp-content\/uploads\/2022\/04\/physical-testing-1140x466-1-1024x419.png\" data-srcset=\"\/wp-content\/uploads\/2022\/04\/physical-testing-1140x466-1-1024x419.png 1024w, \/wp-content\/uploads\/2022\/04\/physical-testing-1140x466-1-300x123.png 300w, \/wp-content\/uploads\/2022\/04\/physical-testing-1140x466-1-768x314.png 768w, \/wp-content\/uploads\/2022\/04\/physical-testing-1140x466-1.png 1140w\">\r\n<p style=\"text-align: center;\">Figure 2. Sch\u00e9ma de test sur les interfaces physiques.<\/p>\r\n\u00a0\r\n<h2>R\u00e9sultats<\/h2>\r\n1. PCAP c\u00f4t\u00e9 client dans un sch\u00e9ma avec des interfaces virtuelles (pptp_w_veth.pcap) :\r\n<pre>\"No.\",\"Time\",\"Source\",\"Destination\",\"Protocol\",\"Length\",\"Info\"\r\n\"1\",\"0.000000\",\"172.50.0.2\",\"172.40.0.2\",\"TCP\",\"74\",\"51246 > 1723 [SYN]\r\n\"2\",\"0.000028\",\"172.40.0.2\",\"172.50.0.2\",\"TCP\",\"74\",\"1723 > 51246 [SYN, ACK]\r\n\"3\",\"0.000040\",\"172.50.0.2\",\"172.40.0.2\",\"TCP\",\"66\",\"51246 > 1723 [ACK]\r\n\"4\",\"0.000205\",\"172.50.0.2\",\"172.40.0.2\",\"PPTP\",\"222\",\"Start-Control-Connection-Request\"\r\n\"5\",\"0.000214\",\"172.40.0.2\",\"172.50.0.2\",\"TCP\",\"66\",\"1723 > 51246 [ACK]\r\n\"6\",\"0.000911\",\"172.40.0.2\",\"172.50.0.2\",\"PPTP\",\"222\",\"Start-Control-Connection-Reply\"\r\n\"7\",\"0.000915\",\"172.50.0.2\",\"172.40.0.2\",\"TCP\",\"66\",\"51246 > 1723 [ACK]\r\n\"8\",\"1.000442\",\"172.50.0.2\",\"172.40.0.2\",\"PPTP\",\"234\",\"Outgoing-Call-Request\"\r\n\"9\",\"1.000970\",\"172.40.0.2\",\"172.50.0.2\",\"PPTP\",\"98\",\"Outgoing-Call-Reply\"\r\n\"10\",\"1.000979\",\"172.50.0.2\",\"172.40.0.2\",\"TCP\",\"66\",\"51246 > 1723 [ACK]\r\n\"11\",\"1.001157\",\"172.50.0.2\",\"172.40.0.2\",\"PPP LCP\",\"70\",\"Configuration Request\"\r\n\"12\",\"1.004528\",\"172.40.0.2\",\"172.50.0.2\",\"PPP LCP\",\"70\",\"Configuration Request\"\r\n\"13\",\"1.004620\",\"172.40.0.2\",\"172.50.0.2\",\"PPP LCP\",\"74\",\"Configuration Ack\"\r\n\"14\",\"1.004667\",\"172.50.0.2\",\"172.40.0.2\",\"PPP LCP\",\"74\",\"Configuration Ack\"\r\n\"15\",\"1.004724\",\"172.50.0.2\",\"172.40.0.2\",\"PPP IPCP\",\"64\",\"Configuration Request\"\r\n\"16\",\"1.004832\",\"172.40.0.2\",\"172.50.0.2\",\"PPP CCP\",\"64\",\"Configuration Request\"\r\n\"17\",\"1.004838\",\"172.40.0.2\",\"172.50.0.2\",\"PPP IPCP\",\"58\",\"Configuration Request\"\r\n\"18\",\"1.004864\",\"172.40.0.2\",\"172.50.0.2\",\"PPP IPCP\",\"58\",\"Configuration Reject\"\r\n\"19\",\"1.004908\",\"172.50.0.2\",\"172.40.0.2\",\"PPP CCP\",\"56\",\"Configuration Request\"\r\n\"20\",\"1.004920\",\"172.50.0.2\",\"172.40.0.2\",\"PPP CCP\",\"60\",\"Configuration Reject\"\r\n\"21\",\"1.004939\",\"172.50.0.2\",\"172.40.0.2\",\"PPP IPCP\",\"58\",\"Configuration Ack\"\r\n\"22\",\"1.004971\",\"172.50.0.2\",\"172.40.0.2\",\"PPP IPCP\",\"58\",\"Configuration Request\"\r\n\"23\",\"1.005033\",\"172.40.0.2\",\"172.50.0.2\",\"PPP CCP\",\"56\",\"Configuration Ack\"\r\n\"24\",\"1.005038\",\"172.40.0.2\",\"172.50.0.2\",\"PPP CCP\",\"56\",\"Configuration Request\"\r\n\"25\",\"1.005062\",\"172.40.0.2\",\"172.50.0.2\",\"PPP IPCP\",\"58\",\"Configuration Nak\"\r\n\"26\",\"1.005118\",\"172.50.0.2\",\"172.40.0.2\",\"PPP CCP\",\"56\",\"Configuration Ack\"\r\n\"27\",\"1.005148\",\"172.50.0.2\",\"172.40.0.2\",\"PPP IPCP\",\"58\",\"Configuration Request\"\r\n\"28\",\"1.005205\",\"172.40.0.2\",\"172.50.0.2\",\"PPP IPCP\",\"62\",\"Configuration Ack\"\r\n\"29\",\"1.505778\",\"172.50.0.2\",\"172.40.0.2\",\"GRE\",\"46\",\"Encapsulated PPP\"<\/pre>\r\n\r\n\r\n2.1 PCAP c\u00f4t\u00e9 client dans un sch\u00e9ma avec des interfaces physiques (pptp_w_810_client.pcap) :\r\n<pre>\"No.\",\"Time\",\"Source\",\"Destination\",\"Protocol\",\"Length\",\"Info\"\r\n\"1\",\"0.000000\",\"172.30.0.2\",\"172.10.0.2\",\"TCP\",\"74\",\"33730 > 1723 [SYN]\r\n\"2\",\"0.000067\",\"172.10.0.2\",\"172.30.0.2\",\"TCP\",\"74\",\"1723 > 33730 [SYN, ACK]\r\n\"3\",\"0.000080\",\"172.30.0.2\",\"172.10.0.2\",\"TCP\",\"66\",\"33730 > 1723 [ACK]\r\n\"4\",\"0.000299\",\"172.30.0.2\",\"172.10.0.2\",\"PPTP\",\"222\",\"Start-Control-Connection-Request\"\r\n\"5\",\"0.000324\",\"172.10.0.2\",\"172.30.0.2\",\"TCP\",\"66\",\"1723 > 33730 [ACK]\r\n\"6\",\"0.001052\",\"172.10.0.2\",\"172.30.0.2\",\"PPTP\",\"222\",\"Start-Control-Connection-Reply\"\r\n\"7\",\"0.001058\",\"172.30.0.2\",\"172.10.0.2\",\"TCP\",\"66\",\"33730 > 1723 [ACK]\r\n\"8\",\"1.000567\",\"172.30.0.2\",\"172.10.0.2\",\"PPTP\",\"234\",\"Outgoing-Call-Request\"\r\n\"9\",\"1.001172\",\"172.10.0.2\",\"172.30.0.2\",\"PPTP\",\"98\",\"Outgoing-Call-Reply\"\r\n\"10\",\"1.001192\",\"172.30.0.2\",\"172.10.0.2\",\"TCP\",\"66\",\"33730 > 1723 [ACK]\r\n\"11\",\"1.001354\",\"172.30.0.2\",\"172.10.0.2\",\"PPP LCP\",\"70\",\"Configuration Request\"\r\n\"12\",\"3.997954\",\"172.30.0.2\",\"172.10.0.2\",\"PPP LCP\",\"70\",\"Configuration Request\"\r\n\"13\",\"7.001009\",\"172.30.0.2\",\"172.10.0.2\",\"PPP LCP\",\"70\",\"Configuration Request\"\r\n\"14\",\"10.004123\",\"172.30.0.2\",\"172.10.0.2\",\"PPP LCP\",\"70\",\"Configuration Request\"\r\n\"15\",\"13.007221\",\"172.30.0.2\",\"172.10.0.2\",\"PPP LCP\",\"70\",\"Configuration Request\"\r\n\"16\",\"16.010336\",\"172.30.0.2\",\"172.10.0.2\",\"PPP LCP\",\"70\",\"Configuration Request\"\r\n\"17\",\"19.013400\",\"172.30.0.2\",\"172.10.0.2\",\"PPP LCP\",\"70\",\"Configuration Request\"\r\n\"18\",\"22.016486\",\"172.30.0.2\",\"172.10.0.2\",\"PPP LCP\",\"70\",\"Configuration Request\"\r\n\"19\",\"25.019571\",\"172.30.0.2\",\"172.10.0.2\",\"PPP LCP\",\"70\",\"Configuration Request\"\r\n\"20\",\"28.022668\",\"172.30.0.2\",\"172.10.0.2\",\"PPP LCP\",\"70\",\"Configuration Request\"\r\n\"21\",\"31.032879\",\"172.30.0.2\",\"172.10.0.2\",\"PPTP\",\"82\",\"Call-Clear-Request\"\r\n\"22\",\"31.032941\",\"172.30.0.2\",\"172.10.0.2\",\"TCP\",\"66\",\"33730 > 1723 [FIN, ACK]\r\n\"23\",\"31.032999\",\"172.10.0.2\",\"172.30.0.2\",\"TCP\",\"66\",\"1723 > 33730 [FIN, ACK]\r\n\"24\",\"31.033008\",\"172.30.0.2\",\"172.10.0.2\",\"TCP\",\"66\",\"33730 > 1723 [ACK]<\/pre>\r\n\r\n\r\n2.2 PCAP c\u00f4t\u00e9 serveur dans un sch\u00e9ma avec des interfaces physiques (pptp_w_810_server.pcap) :\r\n\r\n<pre>\"No.\",\"Time\",\"Source\",\"Destination\",\"Protocol\",\"Length\",\"Info\"\r\n\"1\",\"0.000000\",\"172.30.0.2\",\"172.10.0.2\",\"TCP\",\"74\",\"33730 > 1723 [SYN]\r\n\"2\",\"0.000026\",\"172.10.0.2\",\"172.30.0.2\",\"TCP\",\"74\",\"1723 > 33730 [SYN, ACK]\r\n\"3\",\"0.000069\",\"172.30.0.2\",\"172.10.0.2\",\"TCP\",\"66\",\"33730 > 1723 [ACK]\r\n\"4\",\"0.000290\",\"172.30.0.2\",\"172.10.0.2\",\"PPTP\",\"222\",\"Start-Control-Connection-Request\"\r\n\"5\",\"0.000298\",\"172.10.0.2\",\"172.30.0.2\",\"TCP\",\"66\",\"1723 > 33730 [ACK]\r\n\"6\",\"0.001014\",\"172.10.0.2\",\"172.30.0.2\",\"PPTP\",\"222\",\"Start-Control-Connection-Reply\"\r\n\"7\",\"0.001047\",\"172.30.0.2\",\"172.10.0.2\",\"TCP\",\"66\",\"33730 > 1723 [ACK]\r\n\"8\",\"1.000598\",\"172.30.0.2\",\"172.10.0.2\",\"PPTP\",\"234\",\"Outgoing-Call-Request\"\r\n\"9\",\"1.001134\",\"172.10.0.2\",\"172.30.0.2\",\"PPTP\",\"98\",\"Outgoing-Call-Reply\"\r\n\"10\",\"1.001189\",\"172.30.0.2\",\"172.10.0.2\",\"TCP\",\"66\",\"33730 > 1723 [ACK]\r\n\"11\",\"1.004629\",\"172.10.0.2\",\"172.30.0.2\",\"PPP LCP\",\"70\",\"Configuration Request\"\r\n\"12\",\"4.007764\",\"172.10.0.2\",\"172.30.0.2\",\"PPP LCP\",\"70\",\"Configuration Request\"\r\n\"13\",\"7.010842\",\"172.10.0.2\",\"172.30.0.2\",\"PPP LCP\",\"70\",\"Configuration Request\"\r\n\"14\",\"10.013949\",\"172.10.0.2\",\"172.30.0.2\",\"PPP LCP\",\"70\",\"Configuration Request\"\r\n\"15\",\"13.017035\",\"172.10.0.2\",\"172.30.0.2\",\"PPP LCP\",\"70\",\"Configuration Request\"\r\n\"16\",\"16.020115\",\"172.10.0.2\",\"172.30.0.2\",\"PPP LCP\",\"70\",\"Configuration Request\"\r\n\"17\",\"19.023193\",\"172.10.0.2\",\"172.30.0.2\",\"PPP LCP\",\"70\",\"Configuration Request\"\r\n\"18\",\"22.026271\",\"172.10.0.2\",\"172.30.0.2\",\"PPP LCP\",\"70\",\"Configuration Request\"\r\n\"19\",\"25.029348\",\"172.10.0.2\",\"172.30.0.2\",\"PPP LCP\",\"70\",\"Configuration Request\"\r\n\"20\",\"28.030753\",\"172.10.0.2\",\"172.30.0.2\",\"PPP LCP\",\"70\",\"Configuration Request\"\r\n\"21\",\"31.032901\",\"172.30.0.2\",\"172.10.0.2\",\"PPTP\",\"82\",\"Call-Clear-Request\"\r\n\"22\",\"31.032938\",\"172.30.0.2\",\"172.10.0.2\",\"TCP\",\"66\",\"33730 > 1723 [FIN, ACK]\r\n\"23\",\"31.032972\",\"172.10.0.2\",\"172.30.0.2\",\"TCP\",\"66\",\"1723 > 33730 [FIN, ACK]\r\n\"24\",\"31.032996\",\"172.30.0.2\",\"172.10.0.2\",\"TCP\",\"66\",\"33730 > 1723 [ACK]\r\n<\/pre>\r\n\r\n\r\n<h2>Analyse<\/h2>\r\n\u00c0 partir du PCAP captur\u00e9 dans le sch\u00e9ma d\u2019interface virtuelle c\u00f4t\u00e9 client (pptp_w_veth.pcap), il est \u00e9vident que la connexion PPTP r\u00e9ussit.\r\n\r\nDans le sch\u00e9ma sur les interfaces physiques (pptp_w_810_server\/client.pcap) une erreur de connexion se produit au moment de la transmission des paquets LCP encapsul\u00e9s par le GRE. Le client et le serveur envoient le paquet LCP (Configure-Request) mais ne les re\u00e7oivent pas.\r\n\r\n<h2>Conclusion<\/h2>\r\nLes tests ont montr\u00e9 que la carte Ethernet Intel E810 100GbE ne transmet pas les paquets GRE E lors de la tentative de connexion PPTP.\r\n\r\nNous pensons que cette information sera utile \u00e0 la communaut\u00e9 des FAI et aidera \u00e0 choisir le bon \u00e9quipement de r\u00e9seau. Nous esp\u00e9rons que Intel fera attention \u00e0 ce probl\u00e8me, sera en mesure de le corriger et d\u2019am\u00e9liorer la qualit\u00e9 des services.\r\n\r\n\r\n<em>   <strong>  Auteurs :   <\/strong>  \r\nDmitry Moldavanov, CTO\r\nKirill Marchenko, Ing\u00e9nieur de r\u00e9seau<\/em>\r\n\r\n[subscription id=\u00a0\u00bb11987\u2033]Abonnez-vous \u00e0 notre newsletter et restez inform\u00e9 des derniers d\u00e9veloppements et offres sp\u00e9ciales.[\/subscription]","protected":false},"excerpt":{"rendered":"<p>Dans cet article, nous vous d\u00e9voilons le processus de test d&rsquo;une connexion PPTP sur des interfaces virtuelles et physiques en utilisant une carte r\u00e9seau Intel Ethernet E810-C 100GbE.<\/p>\n","protected":false},"author":7,"featured_media":7380,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[48],"tags":[],"class_list":["post-7334","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-telecom"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>(English) VASExperts<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/vasexperts.com\/blog\/telecom\/study-pptp-connection-test\/\",\"url\":\"https:\/\/vasexperts.com\/blog\/telecom\/study-pptp-connection-test\/\",\"name\":\"[:en]Study \u2014 PPTP connection test \u2014 VAS Experts Blog[:es]Ensayo de una conexi\u00f3n PPTP \u2014 VAS Experts Blog[:fr]Test de connexion PPTP \u2014 VAS Experts Blog[:br]Estudo \u2014 Teste de conex\u00e3o PPTP \u2014 VAS Experts\",\"isPartOf\":{\"@id\":\"https:\/\/vasexperts.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/vasexperts.com\/blog\/telecom\/study-pptp-connection-test\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/vasexperts.com\/blog\/telecom\/study-pptp-connection-test\/#primaryimage\"},\"thumbnailUrl\":\"\/wp-content\/uploads\/2022\/04\/pptp-connection-test-study.jpg\",\"datePublished\":\"2022-04-19T12:52:50+00:00\",\"dateModified\":\"2025-08-13T11:19:00+00:00\",\"author\":{\"@id\":\"https:\/\/vasexperts.com\/#\/schema\/person\/f4edcaef26fe49b6b59baf8ac5b62170\"},\"description\":\"[:en]Step-by-step process for testing a PPTP connection on virtual and physical interfaces using an Intel Ethernet E810-C 100GbE network card.[:es]El proceso de ensayo una conexi\u00f3n PPTP en interfaces virtuales y f\u00edsicas utilizando una tarjeta de red Intel Ethernet E810-C 100GbE.[:fr]Le processus de test d'une connexion PPTP sur des interfaces virtuelles et physiques en utilisant une carte r\u00e9seau Intel Ethernet E810-C 100GbE.[:br]Processo passo a passo para testar uma conex\u00e3o PPTP em interfaces virtuais e f\u00edsicas usando uma placa de rede Intel Ethernet E810-C 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