Dynamic IPsec Between Statically addressed ASA and a Dynamically Addressed Router

Hello,

I am in the middle of an installation and I am configuring a Dynamic IPsec Between

Statically addressed ASA and a Dynamically Addressed Router.

The VPNs are up and active but I could not pass any traffic.

Although the counters increases and the access-lists are matching the traffic I can not have any traffic through.

Any ideas?

A.