Heads Up :
The post you are writing will appear in a public forum. Please ensure all content is appropriate for public consumption. Review the employee guidelines for the community here.
Long story short, we converted an old firewall from ASA 7.2.4 to 9.0.2 recently and well...80% of the config carried over with all everything in the config functioning as intended....except NAT. I've been racking my mind around the nat rules and why ...
The below configuration doesnt make sense on the basis of the other configurations you posted. According to the below configuration there is a host 192.168.30.31 behind the DMZ interface that is then NATed towards the CUSTOMER using a NAT IP address ...
Ah, sorry about the names in the old config, here's the original with replacement IP'sglobal (customer) 1 interface
global (Internet) 1 interface
nat (inside) 1 192.168.222.0 255.255.255.0
nat (DMZ) 1 192.168.100.0 255.255.255.0
static (inside,custom...