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Question 29 - JN0-682 discussion

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A customer wants to connect two data centers on different subnets using EVPN. What are two implications of using different IP subnets at each site? (Choose two.)

A.
Using different IP subnets at each site allows Layer 3 gateways to exchange only type-3 routes.
Answers
A.
Using different IP subnets at each site allows Layer 3 gateways to exchange only type-3 routes.
B.
MAC addresses will need to be advertised between the data centers.
Answers
B.
MAC addresses will need to be advertised between the data centers.
C.
MAC addresses will not need to be advertised between the data centers.
Answers
C.
MAC addresses will not need to be advertised between the data centers.
D.
Using different IP subnets at each site allows Layer 3 gateways to exchange only type-5 routes.
Answers
D.
Using different IP subnets at each site allows Layer 3 gateways to exchange only type-5 routes.
Suggested answer: B, D

Explanation:

When connecting two data centers on different subnets using EVPN, MAC addresses need to be advertised between the data centers to maintain Layer 2 connectivity. Using different subnets implies the need for Layer 3 gateways at each site, which typically involve exchanging type-5 routes in an EVPN context.

Reference:

EVPN for Data Center Interconnect

asked 18/09/2024
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