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Juniper JN0-363 Exam - Topic 4 Question 57 Discussion

Actual exam question for Juniper's JN0-363 exam

Question #: 57
Topic #: 4

[All JN0-363 Questions]

You want to share routes between two routing instances that you have configured?

What are two ways to accomplish this task? (Choose two.)

AUse a non-forwarding instance.

BConfigure an instance import policy

CCreate a forwarding instance.

DUse a RIB group.

Show Suggested Answer

Suggested Answer: B, D

static route with a next-hop of next-table pointing to the appropriate routing table which contains more accurate information rib-groups to mirror routing information from one route-table to another. However, in many cases, in order to make this work, interface-routes also need to be mirrored. RIB Group policy can be used to constrain the routing information instance-import and instance-export statements configured within the individual routing-instances to leak routes from one table to another. Again, policy can be used here to constrain the routing information. This method is more straightforward than the rib-group method A final approach is to use physical interfaces or logical-tunnels to stitch routing-instances and use a routing protocol or static routes across this connection between the two routing-instances.

To share routes between two routing instances on a Junos device, you can configure an instance import policy in one or both instances to import routes from the other instance. Alternatively, a RIB (Routing Information Base) group can be used to share routes between instances. Reference::

Routing Instances Overview, Juniper Networks Documentation

RIB Groups Configuration Guide, Juniper Networks Documentation

by Nicolette at Jun 15, 2025, 07:24 PM

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Leonie

7 months ago

Yeah, I agree with the RIB group option!

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Gregg

7 months ago

Wait, can you really use a non-forwarding instance? Sounds odd.

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Brittni

7 months ago

I’m not sure about that. Isn’t a forwarding instance more common?

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Leota

7 months ago

I think instance import policy is the way to go too.

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Talia

8 months ago

You can definitely use a RIB group for that!

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Bambi

8 months ago

I think RIB groups were mentioned in a similar question, but I’m not confident if they’re the right answer here.

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Rosann

8 months ago

I feel like creating a forwarding instance could be related, but I can't recall if it actually helps with sharing routes.

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Edna

8 months ago

I remember practicing with instance import policies; that seems like a solid choice for sharing routes between instances.

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Edward

9 months ago

I think using a non-forwarding instance might be one way to share routes, but I'm not completely sure about the second option.

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Melita

9 months ago

I'm not entirely sure about this one. I think options B and D are the correct answers, but I'm not 100% certain. I'll need to double-check my understanding of routing instances and how to share routes between them.

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Osvaldo

9 months ago

Okay, I've got this. The two ways to share routes are to configure an instance import policy (option B) and use a RIB group (option D). I'm confident I can explain those approaches in the exam.

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Lavonda

9 months ago

Hmm, I'm a bit confused on the difference between a forwarding and non-forwarding instance. I'll need to review that concept before attempting this question.

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Bettina

9 months ago

This looks like a pretty straightforward question. I think the key is to understand the difference between forwarding and non-forwarding instances, and how instance import policies and RIB groups can be used to share routes.

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Jacqueline

1 year ago

I'm not sure about that. I think it's A and C.

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Lajuana

1 year ago

Aha! I know this one. B and D are the correct answers. Configuring an instance import policy and using a RIB group are the way to go. Now, if only I could remember what a RIB group actually is...

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Anika

1 year ago

I agree with Leota. Configuring an instance import policy and using a RIB group should work.

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Chu

1 year ago

I'm going with B and D too. Although, I have to admit, a non-forwarding instance sounds like something you'd use to avoid paying your internet bill. Just a little routing humor there!

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Suzi

1 year ago

Haha, that's a good one! Non-forwarding instance does sound like a sneaky way to avoid bills.

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Armando

1 year ago

I'm going with B and D too.

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Leota

1 year ago

I think the answer is B and D.

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Ty

1 year ago

B and D sound right to me. Using a non-forwarding instance doesn't make much sense, and I'm pretty sure a forwarding instance is for something else. Time to brush up on my routing instance knowledge!

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Stephane

1 year ago

Hmm, I'm not sure about that. Wouldn't a forwarding instance be a better option? Maybe I'm just confused, but I feel like that's the way to go.

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Lizette

1 year ago

D) Use a RIB group.

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Sheridan

1 year ago

C) Create a forwarding instance.

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Eladia

1 year ago

B) Configure an instance import policy

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Jennie

1 year ago

A) Use a non-forwarding instance.

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Nieves

1 year ago

I think the correct answers are B and D. Configuring an instance import policy and using a RIB group are the two ways to share routes between routing instances.

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Charlette

1 year ago

That's correct. Those are the two methods to accomplish the task.

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Sarah

1 year ago

Yes, configuring an instance import policy and using a RIB group are the ways to share routes.

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Annabelle

1 year ago

I believe the correct answers are B and D.

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