On Wed, Dec 3, 2014 at 4:56 AM, alect <mapengfei at gmail.com> wrote: > I'm now try to configure ipv6 addr for openconnect. > my vps provider assign me /64 block ipv6 address. You'd better debug on the client side as the issue is most probably there. Try with openconnect client first and -v. regards, Nikos