{"id":792,"date":"2019-04-08T11:39:49","date_gmt":"2019-04-08T09:39:49","guid":{"rendered":"http:\/\/blog.tobo.biz\/?p=792"},"modified":"2020-09-15T10:05:15","modified_gmt":"2020-09-15T08:05:15","slug":"cisco-anyconnect-und-unitymedia","status":"publish","type":"post","link":"https:\/\/blog.tobo.biz\/?p=792","title":{"rendered":"Cisco Anyconnect und Unitymedia"},"content":{"rendered":"\n<p>In vielen Unternehmen werden VPN-Zug\u00e4nge eingesetzt, die mittels Cisco Anyconnect realisiert werden. Bei Internetzug\u00e4ngen via Unitymedia sind oftmals Verbindungen m\u00f6glich, die \u00dcbertragungsgeschwindigkeit ist jedoch extrem niedrig, ein Arbeiten quasi nicht m\u00f6glich.<\/p>\n\n\n\n<p>Dies liegt in der Regel an den MTU-Einstellung von Unitymedia, die mit der  Standardeinstellung des Cisco Anyconnect nicht kompatibel ist. Die lokalen Einstellungen am eigenen PC lassen sich wie folgt auslesen: \u00b7 netsh interface ipv4 show subinterface \u2013 zeigt die Einstellungen aller Adapter f\u00fcr IPv4<\/p>\n\n\n\n<ul><li><em>netsh interface ipv6 show subinterface<\/em> (zeigt die Einstellungen aller Adapter f\u00fcr IPv6)<\/li><li><em>netsh interface ipv6 show subinterface<\/em> (zeigt die Einstellungen aller Adapter f\u00fcr IPv6)<\/li><\/ul>\n\n\n\n<p>Wenn man das einmal mit und ohne aktiven VPN ausf\u00fchrt, bekommt man heraus, wie der Adapter des VPN hei\u00dft und welcher MTU daf\u00fcr eingestellt ist. Im Anschluss kann man in  den Einstellungen des Routers die MTU Einstellung raussuchen. Diese beiden Einstellungen m\u00fcssen \u00fcbereinstimmen. \u00c4ndern kann man die Einstellung am Laptop wie folgt:<\/p>\n\n\n\n<ul><li>VPN-Tunnel mittels Cisco Anyconnect starten<\/li><li>\u00d6ffnen der CMD als Admin <ul><li>Windowstaste dr\u00fccken<\/li><li>Tippen von &#8222;cmd&#8220;<\/li><li>Rechtsklick auf die nun angezeigte &#8222;Eingabeaufforderung&#8220;<\/li><li>Als Administrator ausf\u00fchren<\/li><\/ul><\/li><li>Eingeben und ausf\u00fchren der folgenden Befehle (AdapterName bitte gegen den eigenen Adapternamen ersetzen, 1500 bitte gegen den eigenen MTU Wert ersetzen, falls abweichend):<ul><li>netsh interface ipv4 set subinterface \u201e<em>AdapterName<\/em>\u201c mtu=1500<\/li><li>netsh interface ipv6 set subinterface \u201e<em>AdapterNam<\/em>e\u201c mtu=1500 <\/li><\/ul><\/li><\/ul>\n\n\n\n<p>Zum permanenten setzen der Parameter kann der Parameter <em>store=persistent<\/em> hinten dran geh\u00e4ngt werden.<br><br>Nun m\u00fcsste die Verbindung wieder perfomant m\u00f6glich sein.<\/p>\n<a class=\"synved-social-button synved-social-button-share synved-social-size-48 synved-social-resolution-single synved-social-provider-facebook nolightbox\" data-provider=\"facebook\" target=\"_blank\" rel=\"nofollow\" title=\"Share on Facebook\" href=\"https:\/\/www.facebook.com\/sharer.php?u=https%3A%2F%2Fblog.tobo.biz%2Findex.php%3Frest_route%3D%252Fwp%252Fv2%252Fposts%252F792&#038;t=Cisco%20Anyconnect%20und%20Unitymedia&#038;s=100&#038;p&#091;url&#093;=https%3A%2F%2Fblog.tobo.biz%2Findex.php%3Frest_route%3D%252Fwp%252Fv2%252Fposts%252F792&#038;p&#091;images&#093;&#091;0&#093;=&#038;p&#091;title&#093;=Cisco%20Anyconnect%20und%20Unitymedia\" style=\"font-size: 0px; width:48px;height:48px;margin:0;margin-bottom:5px;margin-right:5px;\"><img alt=\"Facebook\" title=\"Share on Facebook\" class=\"synved-share-image synved-social-image synved-social-image-share\" width=\"48\" height=\"48\" style=\"display: inline; width:48px;height:48px; margin: 0; padding: 0; border: none; box-shadow: none;\" src=\"https:\/\/blog.tobo.biz\/wp-content\/plugins\/social-media-feather\/synved-social\/image\/social\/regular\/96x96\/facebook.png\" \/><\/a><a class=\"synved-social-button synved-social-button-share synved-social-size-48 synved-social-resolution-single synved-social-provider-twitter nolightbox\" data-provider=\"twitter\" target=\"_blank\" rel=\"nofollow\" title=\"Share on Twitter\" href=\"https:\/\/twitter.com\/intent\/tweet?url=https%3A%2F%2Fblog.tobo.biz%2Findex.php%3Frest_route%3D%252Fwp%252Fv2%252Fposts%252F792&#038;text=Hey%20check%20this%20out\" style=\"font-size: 0px; width:48px;height:48px;margin:0;margin-bottom:5px;margin-right:5px;\"><img alt=\"twitter\" title=\"Share on Twitter\" class=\"synved-share-image synved-social-image synved-social-image-share\" width=\"48\" height=\"48\" style=\"display: inline; width:48px;height:48px; margin: 0; padding: 0; border: none; box-shadow: none;\" src=\"https:\/\/blog.tobo.biz\/wp-content\/plugins\/social-media-feather\/synved-social\/image\/social\/regular\/96x96\/twitter.png\" \/><\/a><a class=\"synved-social-button synved-social-button-share synved-social-size-48 synved-social-resolution-single synved-social-provider-reddit nolightbox\" data-provider=\"reddit\" target=\"_blank\" rel=\"nofollow\" title=\"Share on Reddit\" href=\"https:\/\/www.reddit.com\/submit?url=https%3A%2F%2Fblog.tobo.biz%2Findex.php%3Frest_route%3D%252Fwp%252Fv2%252Fposts%252F792&#038;title=Cisco%20Anyconnect%20und%20Unitymedia\" style=\"font-size: 0px; width:48px;height:48px;margin:0;margin-bottom:5px;margin-right:5px;\"><img alt=\"reddit\" title=\"Share on Reddit\" class=\"synved-share-image synved-social-image synved-social-image-share\" width=\"48\" height=\"48\" style=\"display: inline; width:48px;height:48px; margin: 0; padding: 0; border: none; box-shadow: none;\" src=\"https:\/\/blog.tobo.biz\/wp-content\/plugins\/social-media-feather\/synved-social\/image\/social\/regular\/96x96\/reddit.png\" \/><\/a><a class=\"synved-social-button synved-social-button-share synved-social-size-48 synved-social-resolution-single synved-social-provider-pinterest nolightbox\" data-provider=\"pinterest\" target=\"_blank\" rel=\"nofollow\" title=\"Pin it with Pinterest\" href=\"https:\/\/pinterest.com\/pin\/create\/button\/?url=https%3A%2F%2Fblog.tobo.biz%2Findex.php%3Frest_route%3D%252Fwp%252Fv2%252Fposts%252F792&#038;media=&#038;description=Cisco%20Anyconnect%20und%20Unitymedia\" style=\"font-size: 0px; width:48px;height:48px;margin:0;margin-bottom:5px;margin-right:5px;\"><img alt=\"pinterest\" title=\"Pin it with Pinterest\" class=\"synved-share-image synved-social-image synved-social-image-share\" width=\"48\" height=\"48\" style=\"display: inline; width:48px;height:48px; margin: 0; padding: 0; border: none; box-shadow: none;\" src=\"https:\/\/blog.tobo.biz\/wp-content\/plugins\/social-media-feather\/synved-social\/image\/social\/regular\/96x96\/pinterest.png\" \/><\/a><a class=\"synved-social-button synved-social-button-share synved-social-size-48 synved-social-resolution-single synved-social-provider-linkedin nolightbox\" data-provider=\"linkedin\" target=\"_blank\" rel=\"nofollow\" title=\"Share on Linkedin\" href=\"https:\/\/www.linkedin.com\/shareArticle?mini=true&#038;url=https%3A%2F%2Fblog.tobo.biz%2Findex.php%3Frest_route%3D%252Fwp%252Fv2%252Fposts%252F792&#038;title=Cisco%20Anyconnect%20und%20Unitymedia\" style=\"font-size: 0px; width:48px;height:48px;margin:0;margin-bottom:5px;margin-right:5px;\"><img alt=\"linkedin\" title=\"Share on Linkedin\" class=\"synved-share-image synved-social-image synved-social-image-share\" width=\"48\" height=\"48\" style=\"display: inline; width:48px;height:48px; margin: 0; padding: 0; border: none; box-shadow: none;\" src=\"https:\/\/blog.tobo.biz\/wp-content\/plugins\/social-media-feather\/synved-social\/image\/social\/regular\/96x96\/linkedin.png\" \/><\/a><a class=\"synved-social-button synved-social-button-share synved-social-size-48 synved-social-resolution-single synved-social-provider-mail nolightbox\" data-provider=\"mail\" rel=\"nofollow\" title=\"Share by email\" href=\"mailto:?subject=Cisco%20Anyconnect%20und%20Unitymedia&#038;body=Hey%20check%20this%20out:%20https%3A%2F%2Fblog.tobo.biz%2Findex.php%3Frest_route%3D%252Fwp%252Fv2%252Fposts%252F792\" style=\"font-size: 0px; width:48px;height:48px;margin:0;margin-bottom:5px;\"><img alt=\"mail\" title=\"Share by email\" class=\"synved-share-image synved-social-image synved-social-image-share\" width=\"48\" height=\"48\" style=\"display: inline; width:48px;height:48px; margin: 0; padding: 0; border: none; box-shadow: none;\" src=\"https:\/\/blog.tobo.biz\/wp-content\/plugins\/social-media-feather\/synved-social\/image\/social\/regular\/96x96\/mail.png\" \/><\/a>","protected":false},"excerpt":{"rendered":"<p>In vielen Unternehmen werden VPN-Zug\u00e4nge eingesetzt, die mittels Cisco Anyconnect realisiert werden. Bei Internetzug\u00e4ngen via Unitymedia sind oftmals Verbindungen m\u00f6glich, die \u00dcbertragungsgeschwindigkeit ist jedoch extrem niedrig, ein Arbeiten quasi nicht m\u00f6glich. Dies liegt in der Regel an den MTU-Einstellung von &hellip; <a href=\"https:\/\/blog.tobo.biz\/?p=792\">Weiterlesen <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[21,160],"tags":[154,157,159,158,156,61],"_links":{"self":[{"href":"https:\/\/blog.tobo.biz\/index.php?rest_route=\/wp\/v2\/posts\/792"}],"collection":[{"href":"https:\/\/blog.tobo.biz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.tobo.biz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.tobo.biz\/index.php?rest_route=\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.tobo.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=792"}],"version-history":[{"count":1,"href":"https:\/\/blog.tobo.biz\/index.php?rest_route=\/wp\/v2\/posts\/792\/revisions"}],"predecessor-version":[{"id":793,"href":"https:\/\/blog.tobo.biz\/index.php?rest_route=\/wp\/v2\/posts\/792\/revisions\/793"}],"wp:attachment":[{"href":"https:\/\/blog.tobo.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=792"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.tobo.biz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=792"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.tobo.biz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=792"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}