Discuss HP HPE7-A01 Exam Topic 3 Question 13

With the Aruba CX switch configuration, what is the Active Gateway feature that is used for and is unique to VSX configuration?

AVRRP and Active gateway are mutually exclusive on a VLAN

BVRID is set automatically as SVI vlan id

CVRIDs need to be non-overlapping with VRRP

DVRRP and Active Gateway can be configured on a single VLAN for interoperability

Suggested Answer: A

Active gateway is a first hop redundancy protocol that eliminates a single point of failure. The active gateway feature is used to increase the availability of the default gateway servicing hosts on the same subnet. An active gateway improves the reliability and performance of the host network by enabling a virtual router to act as the default gateway for that network.If you have enabled active gateway, VRRP is not required3. Active gateway is similar to VRRP in that routed traffic from the VSX node is sourced from the switch interface MAC and not the virtual MAC address (VMAC). Each active gateway sends a periodic broadcast hello packet to avoid VMAC aging on the access switches.The switch views the active gateway IP as a self IP address3.Active gateway is preferable over VRRP because with VRRP traffic is still pushed over the ISL link, resulting in latency in the network3. Therefore, VRRP and active gateway are mutually exclusive on a VLAN, and answer A is correct.

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23 comments · newest first

Val 11 months ago

Totally agree, D makes sense for interoperability!

Margart 11 months ago

Wait, are VRIDs really set automatically? That sounds odd.

Laila 11 months ago

Definitely, VRIDs should be non-overlapping with VRRP.

Bethanie 12 months ago

I think VRRP and Active Gateway can work together, right?

Soledad 12 months ago

Active Gateway is cool for redundancy in VSX setups!

Mammie 12 months ago

I feel like I read that VRID is automatically assigned based on the SVI VLAN ID, but I’m not completely confident about that.

Joni 1 year ago

I believe VRRP and Active Gateway can work together, but I need to double-check if they can be on the same VLAN.

Pearlene 1 year ago

I think I practiced a question about VRIDs needing to be unique, but I can't recall if that applies to VRRP as well.

Chauncey 1 year ago

I remember that the Active Gateway feature is important for redundancy in VSX, but I'm not sure how it interacts with VRRP.

Gladys 1 year ago

Okay, I think I've got this. The key is that Active Gateway is unique to VSX configurations, so it must be something specific to that environment. I'll focus on understanding how it works alongside VRRP.

Earnestine 1 year ago

Hmm, the wording is a bit technical. I'll need to make sure I understand the difference between VRRP and Active Gateway, and how they interact in a VSX setup.

Shayne 1 year ago

The options mention VRRP and Active Gateway, so I'm guessing this has to do with redundancy and failover features. I'll need to review how those work in a VSX configuration.

Hillary 1 year ago

This question seems to be asking about a specific feature of the Aruba CX switch configuration, so I'll need to focus on understanding the details of that feature.

Minna 1 year ago

I've got a good feeling about this one. The billing unit is the object that gets chosen during the invoicing process, based on the configured selection variant.

Lashon 1 year ago

Alright, time to put my knowledge to the test. I'm feeling confident about this one.

Serina 2 years ago

I think option D could also be a valid choice, optimizing path selection for better performance.

Ashley 2 years ago

I believe option C makes the most sense, having multiple VMACs for each stack.

Elroy 2 years ago

I agree with Shawn, having a backup gateway can definitely help maintain network uptime.

Shawn 2 years ago

I think Active Gateway is used for ensuring quick failover in case of switch failure.

Kina 2 years ago

That's interesting, I didn't know that about the VSX configuration

Herminia 2 years ago

I believe the Active Gateway supports sixteen different VMACs for each IPV4 and IPV6 stack simultaneously

Chandra 2 years ago

I agree, it allows for optimized path copying over the ISL link

Kina 2 years ago

I think the Active Gateway feature is used for load sharing in VLANs

HPE7-A01 Exam - Topic 3 Question 13 Discussion