How do I connect my Ipsec Xauth PSK VPN on Android 5.1.1?

[AC Question]

How to connect Ipsec Xauth PSK VPN on android 5.1.1

I am using one plus two phone set and trying to connect to VPN on my phone with my company account but can't able to do that.

Can somebody please help me in doing that?

I have created a VPN profile and filled below information.

Name: VPN
Type: IPSec Xauth PSK
Server address: vpn.rohit.net
IPSec identifier: <----->
IPSec pre-shared key: *******
and I have saved my profile


then I gave username and password of my account.


But It is failing.