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Exam HPE6-A73 topic 1 question 96 discussion

Actual exam question from HP's HPE6-A73
Question #: 96
Topic #: 1
[All HPE6-A73 Questions]

An administrator will be implementing tunneling between AOS-CX switches and Aruba gateways. Which list of protocols must minimally be allowed by an intermediate firewall between two sets of devices?

  • A. IP protocol 50 and UDP 8209
  • B. UDP 4500 and IP protocol 47
  • C. UDP 8211 and IP protocol 47
  • D. UDP 4500 and UDP 8209
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Suggested Answer: C 🗳️
by omen at Sept. 1, 2022, 8:27 a.m.

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johnhenri
6 months, 3 weeks ago
Selected Answer: C
From ACSP learning book Dynamic segmentation : "if any firewall or network infrastructure devices with ACLs are in the path, they must allow GRE and PAPI traffic. Enable GRE on IP protocol 47 and PAPI on UDP port 8211"
upvoted 1 times
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SeidorBruno
1 year, 3 months ago
Selected Answer: C
Pages 753 Study Guide Enable GRE on IP protocol 47 and PAPI on UDP port 8211. [Aruba Networks]
upvoted 1 times
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d_nat
2 years ago
Selected Answer: C
C is correct: PAPI and GRE are used. See Implementing ArubaOS-CX Switching Rev 20.21, page 164
upvoted 3 times
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cpfan
2 years ago
Selected Answer: C
- PAPI: UDP 8211 - GRE: Protocoll 47
upvoted 2 times
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spillo3000
2 years, 1 month ago
C correct
upvoted 1 times
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spillo3000
2 years, 1 month ago
B must be minimal IPsec (UDP ports 500 and 4500) and ESP (protocol 50). PAPI between a master and a local controlleris encapsulated in IPsec
upvoted 1 times
ripcurl
10 months, 2 weeks ago
And whats that relation between minimal and IPsec that you are trying to uncover?
upvoted 1 times
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omen
2 years, 1 month ago
Selected Answer: C
Correct Answer: C ACSP Study Guide Page 788 - Allow the following protocols/ports - PAPI: UDP 8211 - GRE: Protocoll 47
upvoted 3 times
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