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    Source NAT Configuration Overview

    The main configuration tasks for source NAT are as follows:

    1. Configure a source NAT address pool that aligns with your network and security requirements (not needed for interface NAT).
    2. Configure pool utilization alarms (optional)—Specify thresholds for pool utilization.
    3. Configure address persistent (optional)—Ensures that the same IP address is assigned from the source NAT pool to a host for multiple concurrent sessions.
    4. Configure source NAT rules that align with your network and security requirements.
    5. Configure NAT proxy ARP entries for IP addresses in the same subnet of the ingress interface.

    Published: 2012-06-29