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HPE6-A85 Exam - Topic 10 Question 43 Discussion

When using the OSPF dynamic routing protocol on an Aruba CX switch, what must match on the neighboring devices to exchange routes?
A) Hello timers
B) DR configuration
C) ECMP method
D) BDR configuration

HPE6-A85 Exam - Topic 10 Question 43 Discussion

Actual exam question for HP's HPE6-A85 exam
Question #: 43
Topic #: 10
[All HPE6-A85 Questions]

When using the OSPF dynamic routing protocol on an Aruba CX switch, what must match on the neighboring devices to exchange routes?

Show Suggested Answer Hide Answer
Suggested Answer: A

OSPF Open Shortest Path First. OSPF is a link-state routing protocol that uses a hierarchical structure to create a routing topology for IP networks. OSPF routers exchange routing information with their neighbors using Hello packets, which are sent periodically on each interface. To establish an adjacency Adjacency is a relationship formed between selected neighboring routers for the purpose of exchanging routing information., OSPF routers must agree on several parameters, including Hello timers, which specify how often Hello packets are sent on an interface. If the Hello timers do not match between neighboring routers, they will not form an adjacency and will not exchange routes. Reference: https://www.arubanetworks.com/techdocs/ArubaOS_86_Web_Help/Content/arubaos-solutions/osfp/osfp.htm


by Tu at Jun 14, 2025, 12:48 PM

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Tabetha
6 months ago
I thought ECMP method was important too, but maybe not for OSPF?
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Ena
6 months ago
I agree, Hello timers are crucial for OSPF neighbors.
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Pansy
6 months ago
It's definitely the Hello timers that need to match.
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Howard
6 months ago
Wait, are you sure it's not the DR configuration?
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Jamika
6 months ago
BDR configuration? I didn't think that was a requirement!
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Kayleigh
7 months ago
I thought it was Hello timers too, but I also remember something about BDR configuration from a practice question. Maybe both are important?
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Marshall
7 months ago
I feel like ECMP method isn't the right answer here. It seems more related to load balancing than neighbor relationships.
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Felton
7 months ago
I remember discussing DR and BDR configurations, but I can't recall if they need to match for OSPF to work properly.
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Mariann
7 months ago
I think it might be the Hello timers that need to match, but I'm not entirely sure. We practiced something similar in class.
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Remona
7 months ago
I'm a bit confused here. Is it the ECMP (Equal-Cost Multi-Path) method or the BDR (Backup Designated Router) configuration that needs to match? I'm not sure about this one.
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Teri
8 months ago
Wait, isn't it the DR (Designated Router) configuration that needs to match on neighboring OSPF devices? I'm leaning towards B.
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Mose
8 months ago
Okay, let's see. For OSPF, the neighboring devices need to have the same hello timers, right? I'm going to go with A.
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Raymon
8 months ago
Hmm, I'm not too familiar with Aruba CX switches and OSPF. I'll need to think this through carefully.
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Crista
8 months ago
This looks like a straightforward OSPF configuration question. I'm pretty confident I can figure this out.
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Irving
11 months ago
I'm just going to go with 'all of the above' and hope for the best. Aruba's OSPF is probably like playing networking bingo - you never know what combination is going to win.
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Frederic
10 months ago
User 2: I'm not sure, but I'll go with D) BDR configuration.
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Merilyn
10 months ago
User 1: I think it's A) Hello timers.
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Annamaria
10 months ago
User 2: Yeah, that sounds right. Let's go with that.
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Myong
10 months ago
User 1: I think it's A) Hello timers.
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Belen
11 months ago
I'm not sure, but I think it's either A) Hello timers or D) BDR configuration.
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Naomi
11 months ago
Wait, did you say Aruba? I thought this was a Cisco exam! Those Aruba switches are like the Bermuda Triangle of networking - you never know what's going to happen.
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Marcos
10 months ago
Clorinda: Yeah, as long as we make sure the hello timers match on the neighboring devices.
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Clorinda
10 months ago
User 2: Really? I thought we were a Cisco shop. Are they compatible with OSPF?
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Alease
11 months ago
User 1: Yeah, we're using Aruba switches for this network.
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Dexter
11 months ago
Hmm, I'm pretty sure it's the DR configuration that needs to match. Those Aruba guys love their redundancy, so the BDR has to be in sync too.
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Ernestine
10 months ago
Make sure the Hello timers are also configured the same for proper route exchange.
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Derick
11 months ago
Yes, the BDR configuration also needs to match for redundancy.
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Phil
11 months ago
I think you're right, the DR configuration needs to match for OSPF to work properly.
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Iesha
11 months ago
I agree with Harris, because Hello timers need to match for OSPF to work properly.
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France
12 months ago
Wow, that's a tough one! I bet the hello timers need to match, but who knows what other voodoo magic Aruba's OSPF implementation requires. Time to hit the lab and test it out!
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Alline
11 months ago
B) DR configuration
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Talia
11 months ago
A) Hello timers
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Harris
12 months ago
I think the answer is A) Hello timers.
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