Comment 7 for bug 907682

Kevin - it is now working for me on a fresh i386 install of 12.04 using the same packages you list. In 11.10 it would only work using the Sun JDK and plugin. On 12.04 amd64, I have to install the i386 packages for Firefox and Java, but then it works. This is a known issue with the VPN client and not (I believe) fixable by Ubuntu.

If you are still having problems and you are already using i386 packages, then I think you are probably suffering from a different bug. But I don't have any suggestions of how to diagnose further.