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Question 6 - 4A0-115 discussion

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Based upon the exhibit,

which of the following statements about the forwarding of BUM traffic is FALSE?

A.
PE3 replicates the traffic and sends it to all PES in its VPLS I flooding list.
Answers
A.
PE3 replicates the traffic and sends it to all PES in its VPLS I flooding list.
B.
PE3 adds an ESI label to packets forwarded to PEI because PEI is connected to the same Ethernet segment.
Answers
B.
PE3 adds an ESI label to packets forwarded to PEI because PEI is connected to the same Ethernet segment.
C.
PEI forwards the traffic received from PE3 to CEI, and CEI discards it based upon the ESI label.
Answers
C.
PEI forwards the traffic received from PE3 to CEI, and CEI discards it based upon the ESI label.
D.
PE2 decapsulates the packets received from PE3 and forwards the frames to CE2.
Answers
D.
PE2 decapsulates the packets received from PE3 and forwards the frames to CE2.
Suggested answer: B

Explanation:

PE3 does not add an ESI label to packets forwarded to PE1 because PE1 is connected to the same Ethernet segment.PE3 adds an ESI label only to packets forwarded to PEs that are not connected to the same Ethernet segment, such as PE21.

Verified

Reference:Ethernet Virtual Private Networks (EVPNs)

asked 23/09/2024
Gale Morgan
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