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Exam JN0-682 topic 1 question 20 discussion

Actual exam question from Juniper's JN0-682
Question #: 20
Topic #: 1
[All JN0-682 Questions]


Referring to the exhibit, you have a data center in which only the spine devices are using EVPN and VXLAN. The leaf nodes are multihomed in active-active mode to the spine nodes through ESI LAG interfaces. In this design, a link failure on the interface connecting the spine nodes would also cause all traffic from the spine to the leaf nodes to drop.
In this scenario, which command configured on which nodes would solve this problem?

  • A. the set protocols evpn no-core-isolation command on the spine nodes
  • B. the set protocols evpn no-core-isolation command on the leaf nodes
  • C. the disable protocols evpn no-core-isolation command on the spine nodes
  • D. the disable protocols evpn no-core-isolation command on the leaf nodes
Show Suggested Answer Hide Answer
Suggested Answer: A 🗳️

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YLeeNhu
Highly Voted 11 months ago
A is correct answer. In cases like this, you can set "no-core-isolation" at the [edit protocols evpn] configuration hierarchy level on each spine device to disable the core isolation feature https://www.juniper.net/documentation/us/en/software/junos/evpn-vxlan/topics/concept/evpn-vxlan-core-isolation-disabling.html
upvoted 5 times
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Psycho_naT
Most Recent 3 weeks, 4 days ago
Carefully reading question: "a link failure on the interface connecting the spine nodes would also cause all traffic from the spine to the leaf nodes to drop" (look to the picture, all links are failed) If link between spines fails and all traffic are dropped, then Core-Isolation feature is already deployed, then we need to Disable it. Correct C.
upvoted 1 times
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syddharth
11 months, 4 weeks ago
C is the correct answer https://www.juniper.net/documentation/us/en/software/junos/evpn-vxlan/topics/concept/evpn-vxlan-core-isolation-disabling.html
upvoted 1 times
[Removed]
4 months, 1 week ago
My God. How can u say C). is A
upvoted 1 times
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