On Wed, May 25, 2016 at 7:38 AM, David Barbe (dabarbe) <dabarbe at cisco.com> wrote: > Hi, > I try to use open connect to connect my router to vpn but i failed after enter my credential: > Here the last line: > Got CONNECT response: HTTP/1.1 200 OK > CSTP connected. DPD 30, Keepalive 20 > Connected tun0 as xxx.xxx.xxx.xxx, using SSL > DTLS handshake failed: Resource temporarily unavailable, try again. > What is means what I do wrong? The error reporting in that case is cryptic. Your TLS connection is up, but DTLS establishment timed out (probably the DTLS port is firewalled or so). It shouldn't affect your connection. regards, Nikos