Juniper Exam JN0-663 Topic 6 Question 66 Discussion

Actual exam question for Juniper's JN0-663 exam

Question #: 66
Topic #: 6

Exhibit.

R2 has IS-IS adjacencies with R3 and R4 You want to ensure that R2 has both a level 1 and level 2 adjacency to both R3 and R4 but R2 only has one adjacency with R4.

Referring to the exhibit, which configuration change will solve this issue?

AChange the IS-IS area on R2 to match R4.

BChange the IS-IS area on R4 to match R2

CRemove the level 1 disable configuration from R4

DRemove the level 1 disable configuration from R2

Show Suggested Answer

Suggested Answer: D

https://supportportal.juniper.net/s/article/MX-Example-Configuring-LDP-based-VPLS-using-primary-backup-for-redundancy?language=en_US

In LDP signaled VPLS, when you have a multihomed CE to two different PEs you can configure a neighbor and a backup neighbor in remotes PEs. In this case PE-1. If the VPLS is signaled with BGP then you have to configure the preference in PE-2 and PE-3. The spanning tree option mentioned in other comments needs the configuration of spanning tree in the CE and you also need to configure a l2control instance in PEs attached to the CE.

by Jutta at Feb 25, 2023, 05:36 PM

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