In order for NAT policy rules to be active,
bind NAT policy set stacks to a site. You can bind a single NAT policy
set stack to a site at a time.
Select ManagePoliciesBindings.
For a site, select a NAT stack from the NAT
Policy Set Stack drop-down and Save.
(Optional) You can assign a NAT policy set stack
to multiple sites at a time by selecting multiple sites, clicking Edit and
selecting the NAT stack for assigning to sites.
