1.) The "global" and "nat" configurations define a Dynamic PAT configuration. The firewall will accept any source address behind "inside" interface and will NAT them to PAT IP address 22.214.171.124 when they are connecting to a network behind "outside"
2.) The "static" configuration defines a Static NAT for a single host. This Static NAT overrides the earlier Dynamic PAT. It means that the local host defined in the Static NAT configuration will always use this NAT IP address towards the networks behind "outside" interface UNLESS a NAT0 configuration or Static Policy NAT overrides it.
3.) The "nat" configurations using the ID 0 are NAT0 / NAT Exempt configurations. The "access-list" used in the configuration define the situation where NO NAT is performed for the traffic. The "access-list" defines the source network/host and destination network/host for the situation when there is NO NAT performed
So in the above cases the "access-list" configurations will tell you when traffic from behind those interface will NOT be NATed.
Hope this clarifies things
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Table of ContentsIntroductionVersion HistoryPossible Future
UpdatesDocuments PurposeNAT Operation in ASA 8.3+ SectionsRule Types
Network Object NATTwice NAT / Manual NATRule Types used per SectionNAT
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