Cisco Exam 300-610 Topic 8 Question 89 Discussion

Actual exam question for Cisco's 300-610 exam

Question #: 89
Topic #: 8

A Cisco engineer is configuring MPLS VPN BGP at a customer site that is connected to the provider site by more than one path MPLS VPN BGP Local Convergence link protection is enabled. After the engineer installs the main forwarding path and the redundant backup path within the BGP, they assign a unique route distinguisher to each VRF table on all PE devices that serve as a backup to the link. What is a prerequisite for this local convergence to work?

AInterautonomous system option A (back-to-back VRF) is active.

BBGP must support lossless switchover between operational paths

CIP/GRE is enabled.

DThe system is performing a PE-CE link protection on both ends

Show Suggested Answer

Suggested Answer: D

by Genevive at May 31, 2024, 06:36 PM

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Hyman

6 months ago

Option B makes the most sense to me. You can't have local convergence without the underlying BGP protocol being able to handle the switchover without any issues.

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Orville

6 months ago

Haha, I wonder if the Cisco engineer was so focused on setting up the redundant paths that they forgot to check the BGP capabilities. Rookie mistake!

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Pamella

5 months ago

Rookie mistake if they missed that detail.

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Sherrell

5 months ago

Yeah, that's a crucial prerequisite for local convergence to work.

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Tommy

6 months ago

I hope they remembered to check if BGP supports lossless switchover.

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Magnolia

6 months ago

I agree with you, Selma. Having lossless switchover is crucial for ensuring seamless failover in case of link failures.

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Selma

6 months ago

I think the prerequisite for local convergence to work is BGP must support lossless switchover between operational paths.

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Casie

6 months ago

I think the correct answer is B. MPLS VPN BGP local convergence is all about maintaining active and backup paths, and BGP needs to support that seamless switchover.

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