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Huawei H12-351_V1.0 Exam - Topic 9 Question 61 Discussion

In a dual-link backup scenario, the active/standby link switchover mode is set to priority. When the active link recovers, the AP detects that the original active link has a higher priority and triggers a switchback. How many Echo intervals does the AP wait for before switching back to the original primary WAC?
C) 15
A) 20
B) 10
D) 5

Huawei H12-351_V1.0 Exam - Topic 9 Question 61 Discussion

Actual exam question for Huawei's H12-351_V1.0 exam
Question #: 61
Topic #: 9
[All H12-351_V1.0 Questions]

In a dual-link backup scenario, the active/standby link switchover mode is set to priority. When the active link recovers, the AP detects that the original active link has a higher priority and triggers a switchback. How many Echo intervals does the AP wait for before switching back to the original primary WAC?

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Suggested Answer: C

In a dual-link backup scenario, when the active link recovers, the AP waits for 15 Echo intervals before switching back to the original primary WAC. This prevents frequent link switchovers caused by unstable links.


by Shaun at May 17, 2026, 03:03 PM

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Audria
The AP waits for 10 Echo intervals before switching back.
upvoted 0 times
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Amira
5 days ago
I believe it’s 5 intervals based on the last practice exam we did, but I could be mixing it up with another topic.
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Laurel
10 days ago
I’m a bit confused about the exact number; I thought it was 20, but that seems high for a switchback scenario.
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Peggie
15 days ago
I remember practicing a similar question, and I feel like the answer was around 15 intervals.
upvoted 0 times
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Whitney
2 months ago
I think the AP waits for 10 Echo intervals before switching back, but I'm not completely sure.
upvoted 0 times
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