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HP Exam HPE7-A01 Topic 3 Question 13 Discussion

Actual exam question for HP's HPE7-A01 exam
Question #: 13
Topic #: 3
[All HPE7-A01 Questions]

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

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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.


by Mattie at Mar 16, 2024, 08:52 PM

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Serina
5 months ago
I think option D could also be a valid choice, optimizing path selection for better performance.
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Ashley
5 months ago
I believe option C makes the most sense, having multiple VMACs for each stack.
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Elroy
5 months ago
I agree with Shawn, having a backup gateway can definitely help maintain network uptime.
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Shawn
5 months ago
I think Active Gateway is used for ensuring quick failover in case of switch failure.
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Kina
6 months ago
That's interesting, I didn't know that about the VSX configuration
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Herminia
6 months ago
I believe the Active Gateway supports sixteen different VMACs for each IPV4 and IPV6 stack simultaneously
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Chandra
6 months ago
I agree, it allows for optimized path copying over the ISL link
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Kina
6 months ago
I think the Active Gateway feature is used for load sharing in VLANs
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