{"id":11,"date":"2008-04-10T07:38:01","date_gmt":"2008-04-10T05:38:01","guid":{"rendered":"https:\/\/vpn.univ-fcomte.fr\/?p=11"},"modified":"2008-04-10T08:46:11","modified_gmt":"2008-04-10T06:46:11","slug":"vpn-et-mtu","status":"publish","type":"post","link":"https:\/\/vpn.univ-fcomte.fr\/?p=11","title":{"rendered":"VPN et MTU"},"content":{"rendered":"<p>Il est inutile de configurer la MTU dans les fichiers de configuration du client car celui-ci est n\u00e9goci\u00e9 avec le serveur.<br \/>\nLa RFC 2401 discute de la PMTU et le document <a href=\"http:\/\/www.cisco.com\/en\/US\/tech\/tk827\/tk369\/technologies_white_paper09186a00800d6979.shtml\">CISCO<\/a> nous pr\u00e9cise :<br \/>\n<strong> Tunnel Combination                    Specific MTU Needed      Recommended MTU<\/strong><br \/>\nGRE + IPsec (Transport mode) 1440 bytes                                       1400 bytes<br \/>\nGRE + IPsec (Tunnel mode)     1420 bytes                                       1400 bytes<\/p>\n<p>Nous avons donc fixer sur l&rsquo;interface du serveur VPN une MTU de 1400 octets.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Il est inutile de configurer la MTU dans les fichiers de configuration du client car celui-ci est n\u00e9goci\u00e9 avec le serveur. La RFC 2401 discute de la PMTU et le document CISCO nous pr\u00e9cise : Tunnel Combination Specific MTU Needed Recommended MTU GRE + IPsec (Transport mode) 1440 bytes 1400 bytes GRE + IPsec (Tunnel [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[38],"class_list":["post-11","post","type-post","status-publish","format-standard","hentry","category-informations-utilisateurs","tag-mtu"],"_links":{"self":[{"href":"https:\/\/vpn.univ-fcomte.fr\/index.php?rest_route=\/wp\/v2\/posts\/11","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/vpn.univ-fcomte.fr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/vpn.univ-fcomte.fr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/vpn.univ-fcomte.fr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/vpn.univ-fcomte.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=11"}],"version-history":[{"count":0,"href":"https:\/\/vpn.univ-fcomte.fr\/index.php?rest_route=\/wp\/v2\/posts\/11\/revisions"}],"wp:attachment":[{"href":"https:\/\/vpn.univ-fcomte.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=11"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vpn.univ-fcomte.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=11"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vpn.univ-fcomte.fr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=11"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}