hello there,
 

i am new to the router setup,
where i was setting-up for open vpn using NO-IP.

=> I could able to login successfully to the DDNS.
=> I have port triggered the 1194 properly. 
=>i have enabled  the check box of open vpn

=>selected the service type to UDP

=> selected the net mask accordingly 

=> selected the option to Internet and Home Network

=>saved the settings and generated the certificate.
now, with the generated certificate i couldn't able to connect open vpn i am getting timeout error. |
please let me know the the things to observe / if there is any upgradation of server is needed.