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300-510 · Question #60
300-510 Question #60: Real Exam Question with Answer & Explanation
The correct answer is C: #XR3 prefix-set NO_33 10.33.33.33/32 end-set ! route-policy ISIS_NO_33 if destination in NO_33 then drop else pass endif end-policy ! router isis 1 address-family ipv4 unicast propagate level 2 into level 1 route-policy ISIS_NO_33. See the full explanation below for the reasoning.
Routing Policy and Manipulation
Question
Refer to the exhibit. A network operator must stop 10.33.33.33/32 from being redistributed into Level 1 router XR1. Which configuration meets this need? A. B. C. D.
Options
- A#XR2 prefix-set NO_33 10.33.33.33/32 end-set ! route-policy ISIS_NO_33 if destination in NO_33 then drop else pass endif end-policy ! router isis 1 address-family ipv4 unicast propagate level 2 into level 1 route-policy ISIS_NO_33
- B#XR3 prefix-set NO_33 10.33.33.33/32 end-set ! route-policy ISIS_NO_33 if destination in NO_33 then drop endif end-policy ! router isis 1 address-family ipv4 unicast propagate level 2 into level 1 route-policy ISIS_NO_33
- C#XR3 prefix-set NO_33 10.33.33.33/32 end-set ! route-policy ISIS_NO_33 if destination in NO_33 then drop else pass endif end-policy ! router isis 1 address-family ipv4 unicast propagate level 2 into level 1 route-policy ISIS_NO_33
Topics
#IS-IS#Route Filtering#Redistribution#Route-map
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