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Juniper JN0-664 Exam - Topic 3 Question 11 Discussion

When building an interprovider VPN, you notice on the PE router that you have hidden routes which are received from your BGP peer with family inet labeled-unica3t configured.Which parameter must you configure to solve this problem?
C) Under the family inet labeled-unicast hierarchy, add the resolve-vpn parameter.
A) Under the family inet labeled-unicast hierarchy, add the explicit null parameter.
B) Under the protocols ospf hierarchy, add the traffic-engineering parameter.
D) Under the protocols mpls hierarchy, add the traffic-engineering parameter

Juniper JN0-664 Exam - Topic 3 Question 11 Discussion

Actual exam question for Juniper's JN0-664 exam
Question #: 11
Topic #: 3
[All JN0-664 Questions]

When building an interprovider VPN, you notice on the PE router that you have hidden routes which are received from your BGP peer with family inet labeled-unica3t configured.

Which parameter must you configure to solve this problem?

Show Suggested Answer Hide Answer
Suggested Answer: C

The resolve-vpn parameter is a BGP option that allows a router to resolve labeled VPN-IPv4 routes using unlabeled IPv4 routes received from another BGP peer with family inet labeled-unicast configured. This option enables interprovider VPNs without requiring MPLS labels between ASBRs or using VRF tables on ASBRs. In this scenario, you need to configure the resolve-vpn parameter under [edit protocols bgp group external family inet labeled-unicast] hierarchy level on both ASBRs.


by Whitley at Sep 04, 2023, 02:40 AM

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Ona
10 months ago
Nope, explicit null is definitely the way to go!
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Ellsworth
10 months ago
I thought it was the resolve-vpn parameter?
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Portia
11 months ago
Wait, are we sure about that? Seems too simple.
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Bernadine
11 months ago
Totally agree, that's the right move!
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Dannette
11 months ago
You need to add the explicit null parameter.
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Aide
11 months ago
I remember discussing hidden routes, and I think the explicit null option makes sense. But what if it’s the resolve-vpn? I wish I had reviewed that section more thoroughly.
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Rosendo
11 months ago
I keep mixing up the OSPF and MPLS configurations. I thought the traffic-engineering parameter was important, but I can't recall which hierarchy it belongs to.
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Gerald
12 months ago
I'm not entirely sure, but I feel like the resolve-vpn parameter could be the right choice. We had a similar question in our study group.
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Christoper
12 months ago
I think we might need to add the explicit null parameter under the family inet labeled-unicast. I remember something about that from our last practice session.
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Sherron
12 months ago
This seems straightforward. The "resolve-vpn" parameter under the "family inet labeled-unicast" hierarchy is likely the solution to the problem described in the question.
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Rikki
12 months ago
Okay, I think I've got this. The "explicit null" parameter under the "family inet labeled-unicast" hierarchy should do the trick to solve the problem.
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Hyman
12 months ago
Hmm, the key seems to be the "family inet labeled-unicast" configuration on the PE router. I'm guessing we need to add a parameter under that hierarchy to resolve the issue.
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Claudio
12 months ago
This looks like a tricky one. I'll need to carefully read through the options and think about what the "hidden routes" and "family inet labeled-unicast" configuration might be indicating.
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Merilyn
12 months ago
I'm a bit confused by the terminology here. "Hidden routes" and "family inet labeled-unicast" aren't terms I'm super familiar with. I'll need to think this through carefully.
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Valentin
12 months ago
I think I know the answer to this one. Gateway-required virtual network integration should do the trick and restrict access to the web apps through the Front Door instance. I'm pretty confident in this solution.
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Lai
12 months ago
Whoa, this is a lot of networking stuff to remember. I better make sure I have the syntax for those nmcli commands down before I try this on the exam.
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