ASA and NAT

ASA NAT order of operation

#####Previo 8.3
 With source NAT:
  1. Routing
  2. Inbound ACL
  3. NAT

With destination NAT:
  1 .ACL
  2. UN-NAT (destination NAT)
  3. Routing

#####Post 8.3
With source NAT:
  1. Routing
  2. Inbound ACL
  3.NAT

With destination NAT:
  1. UN-NAT (destination NAT)
  2. ACL
  3. Routing