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Exam HPE6-A73 topic 1 question 48 discussion

Actual exam question from HP's HPE6-A73

Question #: 48
Topic #: 1

An administrator is managing a pair of core AOS-CX switches configured for VSX. Connected to this core are pairs of aggregation layer AOS-CX switches configured for VSX. OSPF is running between the aggregation and core layers. To speed up OSPF convergence, the administrator has configured BFD between the core and aggregation switches.
What is a best practice the administrator should implement to reduce CPU processing on the switches if a BFD neighbor fails?

A. Disable ICMP redirects
B. Implement graceful restart
C. Increase the BFD echo timers
D. Increase the VSX keepalive timer

Show Suggested Answer

Suggested Answer: A 🗳️

by acot333 at April 13, 2021, 5:05 p.m.

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cloud29

Highly Voted 3 years ago

The question is ""What is a best practice the administrator should implement to reduce CPU processing on the switches if a BFD neighbor fails?" I think the Correct answer is A According to Study Guide: "In some cases, the ech could have a source and destination on the same subnet, which would usually trigger the switch to send an ICMP redirect. The extra processing can cause issues on the Switch. Disabling ICMP redirects prevenets these issues."

upvoted 9 times

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SeidorBruno

Most Recent 9 months, 3 weeks ago

Selected Answer: A

Page 415 Study Guide: It is also best practice to disable ICMP redirects on the switches that use BFD in echo mode. Before you enable OSPF BFD, you should disable ICMP redirects on the AOS- CX switch. In some cases, the echo could have a source and destination on the same subnet, which would usually trigger the switch to send an ICMP redirect. The extra processing can cause issues on the switch. Disabling ICMP redirects prevents these issues. [Aruba Networks]

upvoted 3 times

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E_Nick

1 year, 6 months ago

Selected Answer: A

the Correct answer is A According to Study Guide

upvoted 1 times

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AM1234

2 years, 10 months ago

Correct answer is A

upvoted 4 times

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fasty

3 years ago

A is Correct

upvoted 3 times

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acot333

3 years ago

B should be correct