How to set-up site to site vpn using two units Cisco SR520 with NAT?

[prashanth15]

Dear All,

I need your help in setting up site to site vpn between two office.Both office are using SR 520 with NAT enabled. Appreciate your help and any documents in seeting up the same?

Regards,

Prashanth

[josomm]

Maybe this can help?

http://www.cisco.com/en/US/docs/routers/access/500/520/software/configuration/guide/520scg_vpn_gre.html