Cisco Exam 350-501 Topic 3 Question 108 Discussion

Actual exam question for Cisco's 350-501 exam

Question #: 108
Topic #: 3

Refer to the exihibit.

Refer to the exhibit. The operations team is implementing an LDP-based configuration in the service provider core network with these requirements:

R1 must establish LDP peering with the loopback IP address as its Router-ID.

Session protection must be enabled on R2.

How must the team update the network configuration to successfully enable LDP peering between R1 and R2?

AChange the LDP password on R2 to Cisco.

BConfigure mpls ldp router-id loopback0 on R1 and R2.

CConfigure LDP session protection on R1.

DChange the discover hello hold time and interval to their default values.

Show Suggested Answer

Suggested Answer: A

Solution

router bgp 65413

add ipv4

nei 2.2.2.2 allowas-in

nei 4.4.4.4 allowas-in

add ipv6

nei 2001:db8:4:4:4::4 allowas-in

end

copy run start

=======================

router bgp 65413

nei 1.1.1.1 as-override

nei 3.3.3.3 as-override

end

copy run start

=======================

router bgp 65413

nei 10.3.4.2 remot 65412

nei 2001:db8:3:4::2 remot 65412

nei 2001:db8:4:4:4:4::4 remot 65412

nei 2001:db8:4:4:4:4::4 ebgp-multihop 10

add ip4

nei 10.3.4.2 act

add ipv6

nei 2001:db8:4:4:4:4::4 activate

nei 2001:db8:4:4:4:4::4 ebgp-multihop 10

nei 2001:db8:3:4::2 act

end

copy run start

===================

router bgp 65412

nei 10.3.4.1 remot 65413

nei 2001:db8:3:3:3:3::3 remot 65413

nei 2001:db8:3:3:3:3::3 ebgp-multihop 10

nei 2001:db8:3:4::1 remot 65413

add ipv4

nei 10.3.4.1 remot act

nei 10.3.4.1 prefix-limit 10

add ipv6

nei 2001:db8:3:3:3:3::3 activate

nei 2001:db8:3:3:3:3::3 ebgp-multihop 10

nei 2001:db8:3:3:3:3::3 prefix-limit 10

nei 2001:db8:3:4::1 activate

nei 2001:db8:3:4::1 prefix-limit 10

end

copy run start

by Kayleigh at Feb 10, 2025, 10:38 PM

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Levi

13 days ago

Option B seems like the way to go. Setting the LDP router-ID on both R1 and R2 is key to establishing the peering session.

upvoted 0 times

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Glendora

19 days ago

I'm not sure about that. Maybe we should also consider enabling LDP session protection on R1 for added security.

upvoted 0 times

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Argelia

23 days ago

I agree with Robt. Setting the router-id to loopback0 will ensure successful LDP peering.

upvoted 0 times

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Robt

24 days ago

I think the answer is B) Configure mpls ldp router-id loopback0 on R1 and R2.

upvoted 0 times

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