Hello
after i update my iPhone 6s to 9.3 beta 1 i´m not more able to connect
over VPN (IPSec/L2TP) same on my iPad mini 4, iPod touch 6G.
On iOS 9.2.1 VPN works well, so looks like this is a bug of 9.3.
I send already a Feedback to Apple hopefully this will be fixed in beta 2.