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Exam 300-620 topic 1 question 182 discussion

Actual exam question from Cisco's 300-620
Question #: 182
Topic #: 1
[All 300-620 Questions]



Refer to the exhibit. Server A is connected to the Cisco ACI fabric using two teamed interfaces. One interface in a team is configured as active and the other remains in standby mode. When a failover occurs and the standby interface becomes active, it uses its built-in MAC address to send traffic. Which bridge domain configuration must be applied to resolve the issue?

  • A. Configure Hardware proxy.
  • B. Set L2 Unknown Unicast to Flood.
  • C. Enable ARP flooding.
  • D. Activate Limit IP Learning to Subnet.
Show Suggested Answer Hide Answer
Suggested Answer: C 🗳️
by imanus at May 14, 2023, 11:48 a.m.

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ashwind123
1 month, 2 weeks ago
Selected Answer: C
C make sense.
upvoted 1 times
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Huberttheman
9 months, 1 week ago
Selected Answer: C
ARP flooding will help the fabric re-learn the endpoint
upvoted 2 times
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crooks_1988
1 year, 1 month ago
I would go for "Flood", when L2 unicast Flood is enabled, ARP Flooding is turned on
upvoted 2 times
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Mr_Certifiable
1 year, 5 months ago
C - flooding leaf 101 would not know when fails over to leaf 102. hence leaf 102 should immediately recognise topology change with arp flood
upvoted 1 times
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examz_collector
1 year, 5 months ago
Tricky one. The question says "it uses its built-in MAC address to send traffic" which might suggest that this is not a silent host and will be sending packets. If that is the case, the leaf will propagate this information to the spines and HW proxy might be correct answer. If this is silent host changing it's MAC address I would bet on flooding of unknown L2 traffic.
upvoted 2 times
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imanus
1 year, 5 months ago
why A?
upvoted 1 times
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