On Fri, 2013-02-15 at 15:21 +0100, Michael Helmling wrote: > > when connecting to a VPN server with OpenConnect, the MTU on the created > tun interface is too high (1418) and TCP connections are broken as soon > as large packages are transmitted. The gateway operator told me that the > gateway sends a MTU of 1330 which is also what the Cisco AnyConnect > client sets on the cscotun0 interface. Manually setting the MTU to 1330 > on OpenConnect's interface fixes all problems. Please could you send me a log of OpenConnect (preferably 4.08 or 4.99) doing the wrong thing, with the '-v' argument? Can you make sure you have an up-to-date version of vpnc-script which honours the $INTERNAL_IP4_MTU environment variable? -- dwmw2 -------------- next part -------------- A non-text attachment was scrubbed... Name: smime.p7s Type: application/x-pkcs7-signature Size: 6171 bytes Desc: not available URL: <http://lists.infradead.org/pipermail/openconnect-devel/attachments/20130215/1fd4891c/attachment.bin>
