Setup VPN with SR520 router - help needed ASAP

Oh man! Ad-blocking software has been detected! :'(

This website is run by the community, for the community... and it needs advertisements in order to keep running. Blocking our ads means your killing our stats!
Please disable your ad-block, or become a premium member to hide all advertisements and this notice.

Need help ASAP.

Does anyone know how to create a site-to-site VPN using a Cisco SR520 router?

I cannot use the Cisco Config utility as it will not connect to the router. I must use the commands.

It is a PreShared key Authentication method, IKE encryption scheme, AES-256. Let me know what else you need.