Defining Dynamic Translations

Dynamic translations use access list rules, to determine whether or not to apply NAT to incoming traffic, and NAT address pools, from which a NAT translation can allocate IP addresses. You use dynamic translation when you want the NAT router to initiate and manage address translation and session flows between address realms on demand.

To configure dynamic translations:

• Define any access list rules that the NAT router uses to decide which packets need translation.
• Define an address pool from which the NAT router obtains addresses.
• Define inside and outside source translation rules for the NAT router to create NAT translations.
• Mark interfaces as inside or outside.
• (Optional) Modify any translation timeout values.

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