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NSE6_SDW_AD-7.6 · Question #30

Refer to the exhibit, which shows the SD-WAN rule status and configuration. Based on the exhibit, which change in the measured packet loss will make HUB1-VPN3 the new preferred member?

The correct answer is D. When all three members have the same packet loss. The rule is in mode: priority with priority-members 6 4 5. The members' seq_nums map to: When the link-cost-factor is packet-loss, the lowest loss wins; but if the losses are tied, selection falls back to the priority-members order. With all three showing the same packet loss…

SD-WAN Monitoring and Troubleshooting

Question

Refer to the exhibit, which shows the SD-WAN rule status and configuration. Based on the exhibit, which change in the measured packet loss will make HUB1-VPN3 the new preferred member?

Exhibit

NSE6_SDW_AD-7.6 question #30 exhibit

Options

  • AWhen HUB1-VPN1 has 4% packet loss
  • BWhen HUB1-VPN1 has 12% packet loss
  • CWhen HUB1-VPN3 has 4% packet loss
  • DWhen all three members have the same packet loss

How the community answered

(42 responses)
  • A
    7% (3)
  • B
    26% (11)
  • C
    12% (5)
  • D
    55% (23)

Explanation

The rule is in mode: priority with priority-members 6 4 5. The members' seq_nums map to: When the link-cost-factor is packet-loss, the lowest loss wins; but if the losses are tied, selection falls back to the priority-members order. With all three showing the same packet loss, the tie- break picks seq_num 6 first - i.e., HUB1-VPN3 - making it the preferred member.

Topics

#SD-WAN rule status#packet loss threshold#SLA preferred member#member failover

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