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Ip nat inside source list command

As explained in Acing the CCNA Exam: Volume 2 Advanced Networking and Security

The ip nat inside source list command maps an access control list to a NAT pool for dynamic source-address translation.

The ip nat inside source list command binds an ACL identifying inside local addresses to a NAT pool of inside global addresses, completing dynamic NAT configuration. section 9.3.2

Configure the supporting elements before applying the command:

  • Assign pool addresses first-come, first-served; drop permitted packets when the pool is exhausted, but forward ACL-denied packets untranslated. section 9.3.2

Configuration and verification

R1(config)# ip nat inside source list 1 pool POOL1 R1# show ip nat translations The translation table displays inside global and inside local addresses, including protocol and port mappings for active flows.

How Acing the CCNA Exam: Volume 2 Advanced Networking and Security covers it

How deep it goes
Explains configuration dependencies, allocation order, exhaustion behavior, ACL distinctions, and translation verification.
Examples
Uses ACL 1, POOL1, 10.0.0.0/24, 192.0.2.1–192.0.2.5, and show ip nat translations.
What it assumes
Assumes familiarity with ACLs, NAT terminology, and inside/outside interface roles.
What you can do after
Configure and verify dynamic NAT while distinguishing pool exhaustion from ACL-denied traffic.
How it connects
Connects access control lists, NAT pools, inside local addresses, inside global addresses, and dynamic NAT.
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Related concepts

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