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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]

Does this correctly describe Network Analytics Engine (NAE) limitations on ArubaOS-CX switches?

Solution: You can run NAE with VSX, but only the primary VSX member will actually run agents during normal operation.

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
10 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
10 months ago
I agree, let's go with B.
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Shanda
10 months ago
B - No link-up delay settings needed for a VSX fabric.
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Barrett
10 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
10 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
10 months ago
B) No
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Herschel
10 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
10 months ago
A) Yes
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Glory
11 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
10 months ago
That's correct, the link-up delay settings are only needed when split-recovery is disabled.
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Rossana
10 months ago
No, it is not necessary to configure the link-up delay settings for VSX fabrics.
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Jeannetta
10 months ago
Yes, the link-up delay timer is only required when split-recovery is disabled.
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Lilli
11 months ago
So, should we go with option A) Yes then?
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Sherell
11 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
10 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
10 months ago
B
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Chantell
10 months ago
I agree, the link-up delay timer is not required when split-recovery is enabled.
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Sabrina
10 months ago
A
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Ling
11 months ago
I think the solution mentioned that it's only required when split-recovery is disabled.
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Lilli
11 months ago
Should we configure the link-up delay settings on the switches?
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