vpn site to site with 1720

[y.ibenjellal]

hello

i want to built a vpn site to site upon Internet with cisco 1720 router.

i 'd know if i must just have an IOS that support IPsec for creating this vpn?

and how can i test that my data are encrypted?

thanks in advance

[k.poplitz]

Yes, you must have a special IOS feature set for encryption. Use feature navigator to find the right one (www.cisco.com/go/fn). Once that’s installed, run through the config examples and docs here: http://www.cisco.com/pcgi-bin/Support/PSP/psp_view.pl?p=Internetworking:IPSec