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HP Exam HPE2-W09 Topic 1 Question 61 Discussion

Actual exam question for HP's HPE2-W09 exam
Question #: 61
Topic #: 1
[All HPE2-W09 Questions]

Two ArubaOS-CX switches ate part of a Virtual Switching Extension (V5X) fabric. Is this a guideline for configuring the switches' link-up delay settings?

Solution: The link-up delay timer is only required when split-recovery is disabled.

Show Suggested Answer Hide Answer
Suggested Answer: B

Virtual Switching Extension (VSX) is a high-availability technology that allows two ArubaOS-CX switches to operate as a single logical device. VSX link-up delay is a feature that delays bringing downstream VSX links up, following a VSX device reboot or an ISL flap. This prevents traffic blackholing or loops due to transient conditions. The link-up delay timer is not only required when split-recovery is disabled. Split-recovery is another feature that prevents traffic blackholing or loops when the ISL link fails and then recovers. Split-recovery works by disabling the secondary VSX member's downstream links until it synchronizes with the primary member. However, split-recovery does not cover all scenarios where traffic blackholing or loops can occur, such as when both VSX members reboot simultaneously or when the ISL flaps rapidly.Therefore, it is recommended to configure the link-up delay timer even when split-recovery is enabled1. Therefore, this is not a valid guideline for configuring the switches' link-up delay settings.


by Mirta at May 29, 2024, 07:59 PM

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Alisha
7 months ago
Haha, I bet the exam writers are trying to trick us with this one. But I'm going with B - no link-up delay settings needed for a VSX fabric.
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Jillian
6 months ago
I agree, let's go with B.
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Shanda
7 months ago
B - No link-up delay settings needed for a VSX fabric.
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Barrett
7 months ago
This is a tricky one, but I think the correct answer is B. The solution states that the link-up delay timer is only required when split-recovery is disabled, which is not the case here.
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Eleonora
7 months ago
I agree with Sherell. The question specifically mentions that the switches are part of a VSX fabric, so the link-up delay timer is not needed.
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Maia
7 months ago
B) No
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Herschel
7 months ago
I think you're right. Since the switches are part of a VSX fabric, the link-up delay timer is not necessary.
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Audrie
7 months ago
A) Yes
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Glory
7 months ago
Hmm, I thought it was A. Aren't we supposed to configure the link-up delay settings for VSX fabrics?
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Norah
7 months ago
That's correct, the link-up delay settings are only needed when split-recovery is disabled.
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Rossana
7 months ago
No, it is not necessary to configure the link-up delay settings for VSX fabrics.
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Jeannetta
7 months ago
Yes, the link-up delay timer is only required when split-recovery is disabled.
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Lilli
8 months ago
So, should we go with option A) Yes then?
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Sherell
8 months ago
I'm pretty sure it's B. If the switches are part of a VSX fabric, the link-up delay timer is not required since split-recovery is enabled by default.
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Kasandra
7 months ago
Agreed. Split-recovery is enabled by default in a VSX fabric, so the link-up delay timer is not needed.
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Kasandra
7 months ago
B
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Chantell
7 months ago
I agree, the link-up delay timer is not required when split-recovery is enabled.
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Sabrina
7 months ago
A
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Ling
8 months ago
I think the solution mentioned that it's only required when split-recovery is disabled.
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Lilli
8 months ago
Should we configure the link-up delay settings on the switches?
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