HPE7-A01 Exam - Topic 8 Question 38 Discussion

Actual exam question for HP's HPE7-A01 exam

Question #: 38
Topic #: 8

Two AOS-CX switches are configured with VSX at the the Access-Aggregation layer where servers attach to them An SVI interface is configured for VLAN 10 and serves as the default gateway for VLAN 10. The ISL link between the switches fails, but the keepalive interface functions. Active gateway has been configured on the VSX switches.

What is correct about access from the servers to the Core? (Select two.)

AServer 1 can access the core layer via the keepalrve link

BServer 2 can access the core layer via the keepalive link

CServer 2 cannot access the core layer.

DServer 1 can access the core layer via both uplinks

EServer 1 and Server 2 can communicate with each other via the core layer

FServer 1 can access the core layer on only one uplink

Show Suggested Answer

Suggested Answer: D

The system-mac command is used to configure a fixed MAC address for the VSX system. This MAC address is used as the source MAC address for all routed traffic from the VSX node.The system-mac command is highly recommended for preventing traffic disruptions when the primary VSX switch restores after the secondary VSX switch, such as during a primary switch hardware replacement or a power outage2. During the initial VSX configuration, the system-mac is assigned with a fixed MAC based on VSX ID.The system-mac command can be used to change this default MAC address if needed2. Therefore, answer D is correct.

by Kirk at Mar 04, 2025, 07:27 PM

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Gladis

3 months ago

Server 1 can access the core on both uplinks, right?

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Maryann

3 months ago

Wait, can the keepalive link really handle that?

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Catarina

3 months ago

Totally agree, Server 2 is stuck without access.

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Dacia

4 months ago

I think Server 2 cannot access the core layer.

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Erin

4 months ago

Server 1 can access the core layer via the keepalive link.

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Casie

4 months ago

I feel like I saw something about how servers can communicate with each other even if one uplink is down, but I can't remember the specifics.

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Isadora

4 months ago

If I recall correctly, since the ISL link is down, Server 1 should still have access through the active gateway, but I'm uncertain about Server 2's access.

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Ivory

4 months ago

I think I practiced a similar question where the keepalive link was mentioned, and it was clear that it doesn't carry user data. So, I might lean towards Server 2 not being able to access the core.

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Carlee

5 months ago

I remember that the keepalive link is primarily for maintaining the VSX connection, not for data traffic. So, I'm not sure if Server 1 can access the core through it.

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Luisa

5 months ago

Alright, I think I've got it. Since the SVI interface is the default gateway, and the keepalive link is still up, both Server 1 and Server 2 should be able to access the core layer. The active gateway configuration ensures that traffic can still flow, even with the ISL link failure.

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Theola

5 months ago

I'm a bit confused about the difference between the servers accessing the core layer via one uplink versus both uplinks. I'll need to re-read that part carefully to make sure I understand the implications.

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Alana

5 months ago

I think the key here is the active gateway configuration on the VSX switches. If that's set up correctly, then Server 1 should be able to access the core layer via the keepalive link, and Server 2 should also be able to access the core layer, even though the ISL link is down.

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Kayleigh

5 months ago

Okay, let me think this through. Since the SVI interface is the default gateway for VLAN 10, and the keepalive link is still up, I believe the servers should still be able to access the core layer. But I'm not 100% sure about the specifics of how that would work.

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Herman

5 months ago

This question seems straightforward, but I want to make sure I understand the key details before answering. The VSX switches have a keepalive link, even though the ISL link between them failed. That's an important detail.

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Rene

10 months ago

Wait, so the VSX switches are still keeping the VLAN 10 SVI up and running as the default gateway, even with the ISL link failure? That's pretty neat!

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Goldie

9 months ago

E) Server 1 and Server 2 can communicate with each other via the core layer

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Josefa

9 months ago

C) Server 2 cannot access the core layer.

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Fanny

9 months ago

A) Server 1 can access the core layer via the keepalive link

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Celeste

10 months ago

E seems like a trap. Since the ISL link is down, I don't think Server 1 and Server 2 can communicate with each other directly through the core layer.

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Carissa

8 months ago

F) Server 1 can access the core layer on only one uplink

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Gladis

9 months ago

C) Server 2 cannot access the core layer.

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Magda

9 months ago

A) Server 1 can access the core layer via the keepalive link

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Melodie

9 months ago

F) Server 1 can access the core layer on only one uplink

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Adela

9 months ago

C) Server 2 cannot access the core layer.

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Billye

9 months ago

A) Server 1 can access the core layer via the keepalive link

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Mary

10 months ago

Haha, I bet the exam writer is trying to trick us with that 'only one uplink' option. Clearly, with the VSX setup, Server 1 should be able to access the core layer via both uplinks.

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Brunilda

10 months ago

Hmm, I'm not sure about C. If the active gateway is configured on the VSX switches, Server 2 should still be able to access the core layer, even with the ISL link failure.

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Jesusita

10 months ago

Since the ISL link between the VSX switches has failed, I believe the correct answers are A and B. Server 1 and Server 2 can access the core layer via the keepalive link, as the active gateway is still functioning.

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