we are using ASA5505 having two interfaces inside(Security level 100) outside (security level 50)
We had statically natted I.P X.X.X.X (inside ) to Y.Y.Y.Y (Public I.P).We are able to ping this public I.P from Internet ,also nat is working successfully.
we are able to ping natted I.P from ouside i.e Y.Y.Y.Y but we are not able to ping it from inside .
below is the configuration done
static (inside,outside) Y.Y.Y.Y X.X.X.X netmask 255.255.255.255