hardMultiple SelectObjective-mapped
300-410 Practice Question: Which TWO statements correctly describe the…
Which TWO statements correctly describe the behavior of NAT with route maps and ACLs when using the 'ip nat inside source route-map' feature? (Choose TWO.)
⚠ Common exam trap
Cisco often tests the misconception that route-map match clauses like 'match ip next-hop' or 'set ip next-hop' are valid for NAT, when in fact they belong to PBR and have no effect on NAT translation decisions.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The route map can use 'match ip address' to select traffic for translation based on source IP.
The 'match ip address' command in a route map references an ACL that selects traffic based on source IP address. When used with 'ip nat inside source route-map', only packets matching the ACL are considered for NAT translation, allowing granular control over which inside hosts are translated.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
The route map can use 'match ip address' to select traffic for translation based on source IP.
Why this is correct
Correct. 'match ip address' references an ACL that selects source IPs for NAT.
- ✓
The route map can use 'match interface' to translate only when traffic exits a specific interface.
Why this is correct
Correct. 'match interface' in a NAT route map restricts translation to traffic exiting that interface.
- ✗
The route map can use 'match ip next-hop' to control translation based on the next-hop IP.
Why it's wrong here
Incorrect. 'match ip next-hop' is not supported in NAT route maps; it is used in PBR route maps.
- ✗
The route map is evaluated once per session at the creation of the translation entry.
Why it's wrong here
Incorrect. The route map is evaluated for every packet, not just at session creation.
- ✗
The route map can use 'set ip next-hop' to change the destination of translated packets.
Why it's wrong here
Incorrect. 'set ip next-hop' is not supported in NAT route maps; it is used in PBR.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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