{"id":198,"date":"2014-11-25T09:10:42","date_gmt":"2014-11-25T07:10:42","guid":{"rendered":"https:\/\/vpn.univ-fcomte.fr\/?p=198"},"modified":"2014-11-25T09:10:42","modified_gmt":"2014-11-25T07:10:42","slug":"windows-wifi-ssid-ufc-vpn-probleme-mtu","status":"publish","type":"post","link":"https:\/\/vpn.univ-fcomte.fr\/?p=198","title":{"rendered":"windows + WIFI SSID ufc-vpn + probl\u00e8me MTU"},"content":{"rendered":"<p>Sous windows 7 en \u00e9tant sur le Wifi (ssid ufc-vpn), il est possible d&rsquo;avoir un souci de MTU.<br \/>\nC&rsquo;est G\u00e9rard Asensio qui nous remonte un probl\u00e8me d&rsquo;acc\u00e8s \u00e0 un serveur de jeton et sa solution :<\/p>\n<p><code>netsh interface ipv4>show interface<\/code><\/p>\n<p><code>Idx     M\u00e9t         MTU          \u00c9tat                Nom<br \/>\n---  ----------  ----------  ------------  ---------------------------<br \/>\n  1          50  4294967295  connected     Loopback Pseudo-Interface 1<br \/>\n 14          30        1500  connected     Connexion r\u00e9seau sans fil<br \/>\n 17           5        1500  disconnected  Connexion r\u00e9seau sans fil 2 <-- SSID ufc-vpn\n 13           5        1500  disconnected  Connexion au r\u00e9seau local\n 19          30        1300  connected     Connexion au r\u00e9seau local* 4 <---- connexion vpn<\/code><\/p>\n<p><strong>Pour que le jeton de licence passe, il faut un mtu de 1300 sur les interfaces physiques utilisables par le VPN ( wifi ou filaire ) :<\/strong><\/p>\n<p><code>netsh interface ipv4>set subinterface \"Connexion r\u00e9seau sans fil\" mtu=1300 store=persistent<br \/>\nOk.<\/code><\/p>\n<p><code>netsh interface ipv4>set subinterface \"Connexion au r\u00e9seau local\" mtu=1300 store=persistent<br \/>\nOk.<\/code><\/p>\n<p><code>netsh interface ipv4>show interface<\/code><\/p>\n<p><code>Idx     M\u00e9t         MTU          \u00c9tat                Nom<br \/>\n---  ----------  ----------  ------------  ---------------------------<br \/>\n  1          50  4294967295  connected     Loopback Pseudo-Interface 1<br \/>\n 14          30        1300  connected     Connexion r\u00e9seau sans fil<br \/>\n 17           5        1500  disconnected  Connexion r\u00e9seau sans fil 2  <-- SSID ufc-vpn\n 13           5        1300  disconnected  Connexion au r\u00e9seau local\n 19          30        1380  connected     Connexion au r\u00e9seau local* 4 <---- connexion vpn<\/code><\/p>\n<p><strong>Remettre un interface en mtu 1500 :<\/strong><\/p>\n<p><code>netsh interface ipv4>set subinterface \"Connexion r\u00e9seau sans fil 2\" mtu=1500 store=persistent<br \/>\nOk.<\/code><\/p>\n<p><code>netsh interface ipv4>set subinterface \"Connexion au r\u00e9seau local* 4\" mtu=1500 store=persistent<br \/>\nOk.<\/code><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sous windows 7 en \u00e9tant sur le Wifi (ssid ufc-vpn), il est possible d&rsquo;avoir un souci de MTU. C&rsquo;est G\u00e9rard Asensio qui nous remonte un probl\u00e8me d&rsquo;acc\u00e8s \u00e0 un serveur de jeton et sa solution : netsh interface ipv4>show interface Idx M\u00e9t MTU \u00c9tat Nom &#8212; &#8212;&#8212;&#8212;- &#8212;&#8212;&#8212;- &#8212;&#8212;&#8212;&#8212; &#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212; 1 50 4294967295 connected Loopback [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,20],"tags":[38,84,60],"class_list":["post-198","post","type-post","status-publish","format-standard","hentry","category-informations-techniques","category-problemes-utilisateurs","tag-mtu","tag-wifi","tag-windows"],"_links":{"self":[{"href":"https:\/\/vpn.univ-fcomte.fr\/index.php?rest_route=\/wp\/v2\/posts\/198","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=198"}],"version-history":[{"count":1,"href":"https:\/\/vpn.univ-fcomte.fr\/index.php?rest_route=\/wp\/v2\/posts\/198\/revisions"}],"predecessor-version":[{"id":199,"href":"https:\/\/vpn.univ-fcomte.fr\/index.php?rest_route=\/wp\/v2\/posts\/198\/revisions\/199"}],"wp:attachment":[{"href":"https:\/\/vpn.univ-fcomte.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=198"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/vpn.univ-fcomte.fr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=198"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/vpn.univ-fcomte.fr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=198"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}