Huawei Certified ICT Expert – Data Center Network (HCIE-DCN) — Question 14

Which of the following will not cause the VRRP backup group to oscillate?

Answer options

• A. The VRRP backup group preemption delay configuration on both ends is inconsistent
• B. Backup device interface packet loss
• C. The time interval of notification messages is too small
• D. The link that transmits VRRP notification packets flaps

Correct answer: A

Explanation

Option A is correct because having a consistent preemption delay on both ends ensures stability in the VRRP backup group. Options B, C, and D can all contribute to oscillation by causing confusion in the election process or by creating unnecessary traffic and delays.