{"id":65,"date":"2008-05-23T11:45:20","date_gmt":"2008-05-23T09:45:20","guid":{"rendered":"https:\/\/vpn.univ-fcomte.fr\/?p=65"},"modified":"2008-10-21T17:44:06","modified_gmt":"2008-10-21T15:44:06","slug":"probleme-linux-route-vers-le-serveur-vpn-absente","status":"publish","type":"post","link":"https:\/\/vpn.univ-fcomte.fr\/?p=65","title":{"rendered":"Probl\u00e8me Linux : route vers le serveur VPN absente"},"content":{"rendered":"<p>Lors de l&rsquo;\u00e9tablissement L2TP\/PPP entre le client et le serveur, L2TP change la route par d\u00e9faut de la machine pour indiquer PPP \u00e0 la place. ex :<br \/>\n<code><small>0.0.0.0         0.0.0.0         0.0.0.0         U     0      0        0 ppp0<\/small><\/code><br \/>\nOr en effectuant cette op\u00e9ration le syst\u00e8me doit aussi ajouter une route pour garantir le lien vers le serveur VPN ex :<br \/>\n<code><small>194.57.91.250   172.21.7.254    255.255.255.255 UGH   0      0        0 eth1<\/small><\/code><br \/>\ndans cet exemple le serveur VPN est 194.57.91.250 et la passerelle par d\u00e9faut 172.21.7.254 sur l&rsquo;interface eth1.<\/p>\n<p>Si cette route est absente le lien entre le client et le serveur est imm\u00e9diatement mis en d\u00e9faut et la connexion se coupe au bout de quelques minutes =&gt; aucun \u00e9change avec quiconque n&rsquo;est possible sans cette route.<\/p>\n<p>Solution : <strong>relancer ipsec<\/strong>. Cette op\u00e9ration doit \u00eatre \u00e9galement effectu\u00e9e apr\u00e8s chaque changement (up\/down) d&rsquo;interface.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Lors de l&rsquo;\u00e9tablissement L2TP\/PPP entre le client et le serveur, L2TP change la route par d\u00e9faut de la machine pour indiquer PPP \u00e0 la place. ex : 0.0.0.0 0.0.0.0 0.0.0.0 U 0 0 0 ppp0 Or en effectuant cette op\u00e9ration le syst\u00e8me doit aussi ajouter une route pour garantir le lien vers le serveur VPN [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[7,6,10,90,91],"class_list":["post-65","post","type-post","status-publish","format-standard","hentry","category-problemes-utilisateurs","tag-l2tp","tag-linux","tag-optionsl2tpdclient","tag-route","tag-serveur-vpn"],"_links":{"self":[{"href":"https:\/\/vpn.univ-fcomte.fr\/index.php?rest_route=\/wp\/v2\/posts\/65","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=65"}],"version-history":[{"count":0,"href":"https:\/\/vpn.univ-fcomte.fr\/index.php?rest_route=\/wp\/v2\/posts\/65\/revisions"}],"wp:attachment":[{"href":"https:\/\/vpn.univ-fcomte.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=65"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vpn.univ-fcomte.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=65"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vpn.univ-fcomte.fr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=65"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}