Exam JN0-648 topic 1 question 42 discussion

Actual exam question from Juniper's JN0-648

Question #: 42
Topic #: 1

Your network is configured for EVPN load balancing on three different access switches. During an outage, you notice that not all interfaces are receiving traffic as expected.
Which two requirements would you validate to identify this problem? (Choose two.)

A. Validate that the same esi value is configured on multiple interfaces on all switches.
B. Validate that the all-active flag is configured for multiple interfaces on each switch.
C. Validate that all-active is configured for only one interface per switch.
D. Validate that the same esi value is only configured on one interface per switch.

Show Suggested Answer

Suggested Answer: AC 🗳️

by Zeke9 at Sept. 22, 2020, 2:37 a.m.

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Dust2

4 years, 1 month ago

Is BD the right answer?

upvoted 1 times

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much2furious

4 years, 2 months ago

B: https://www.juniper.net/documentation/en_US/junos/topics/example/example-evpn-active-active-multihoming-configuring.html D: "Two interfaces (physical, logical, or aggregated Ethernet) cannot be configured with the same ESI value" https://www.juniper.net/documentation/en_US/junos/topics/reference/configuration-statement/esi-edit-interfaces.html

upvoted 3 times

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minciandy

4 years, 2 months ago

I think that the right answer is BD. The ESI value should be the same on all involved routers (D) and all-active flag should be configured on those links with same ESI (B)

upvoted 2 times

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Zeke9

4 years, 7 months ago

asfasf