Apply the ACL to the physical interface
Once you have created one or more ACLs you must apply them to the port or ports on the device where the edge switches connect. These ports will be controlled by the ACL based on the host state. Below is an example of the command needed to apply the ACL. This may vary depending on the device.
Configure term
interface FastEthernet1/0/11
ip access-group Nac in
end
write mem