Cisco Exam 300-510 Topic 15 Question 72 Discussion

Actual exam question for Cisco's 300-510 exam

Question #: 72
Topic #: 15

Refer to the exhibit.

Refer to the exhibit. An engineer is troubleshooting a network routing issue on this IS-IS network situated at the customer's regional hub. Router 2 that runs Cisco IOS XR Software cannot see the network 10.1.1.0/24 on router 1. The Layer 2 encapsulations are correct. The ARP connectivity for the Ethernet interface that runs IS-IS is working. Which action resolves the issue?

AOn router 1, remove the CISCOLIVE keyword after the Ip router Isis command under interface GigabitEthernet0/2.

BUnder the router isis command on router 1. change is-type level-1 to is-type level-2

COn router 1. add the CISCOLIVE keyword after the Ip router isis command under interface GigabitEthernet0/3.

DUnder the router isis command on router 2. change is-type level-1 to is-type level-2

Show Suggested Answer

Suggested Answer: D, E

by Lenna at Aug 04, 2023, 05:21 PM

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Peggie

4 days ago

I'm going with option D. Changing the IS-type on Router 2 seems like the most straightforward solution to this routing issue.

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Mari

8 days ago

Haha, I bet the engineer forgot to turn it off and on again! Seriously though, the key is in the IS-IS configuration, not the Layer 2 encapsulation.

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Novella

10 days ago

I think the CISCOLIVE keyword is the culprit here. Removing it from the interface on Router 1 should do the trick.

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Gary

12 days ago

The issue seems to be related to the IS-IS configuration on Router 2. Changing the IS-type from level-1 to level-2 on Router 2 should resolve the problem.

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