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Exam 300-630 All Questions

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Exam 300-630 topic 1 question 30 discussion

Actual exam question from Cisco's 300-630
Question #: 30
Topic #: 1
[All 300-630 Questions]


Refer to the exhibit. An engineer wants to avoid connectivity problems for the endpoint EP1 when it reaches an external L3Out network through the gateway
10.2.2.254/24. Which two configurations must be implemented in BD-BD2? (Choose two.)

  • A. Disable unicast routing
  • B. Enable IP data plane learning for the VRF
  • C. Disable ARP flooding
  • D. Enable ARP flooding
  • E. Enable unicast routing
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Suggested Answer: AC 🗳️

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apot
Highly Voted 3 years, 1 month ago
I think A D
upvoted 10 times
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kamkol
Most Recent 6 months, 3 weeks ago
Selected Answer: AD
A. Disable unicast routing D. Enable ARP flooding disable unicast routing for gateway setup outside of ACI
upvoted 2 times
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NSF2
1 year, 6 months ago
A D seem to be correct options. https://unofficialaciguide.com/2021/07/16/aci-best-practice-configurations/ Do not enable Unicast Routing if ACI is not the L3 Gateway for your Subnet. Why would you ever enable unicast routing if ACI is not the L3 Gateway? Without Unicast routing enabled, ACI will not learn the IP address for Endpoints. This leads some customers to enable Unicast routing, because (understandably) they want to learn the IP endpoint and not just the mac-address of connected devices. The problem with this, is it can lead to asymmetric routing, which can result in packets being dropped or mis-routed.
upvoted 4 times
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