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Question 40 - JN0-280 discussion

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Referring to the exhibit, you notice that after committing the configuration, the ae0 and ae1 interfaces appear in a link down state.

Which statement is correct in this scenario?

A.

No operational interfaces have been added to the LAG interfaces.

Answers
A.

No operational interfaces have been added to the LAG interfaces.

B.

No traffic is traversing the LAG interfaces.

Answers
B.

No traffic is traversing the LAG interfaces.

C.

The LAG interfaces are in a passive state.

Answers
C.

The LAG interfaces are in a passive state.

D.

The LAG interfaces are in aggressive mode.

Answers
D.

The LAG interfaces are in aggressive mode.

Suggested answer: A

Explanation:

In the exhibit, the ae0 and ae1 interfaces are in a link down state. This occurs when no physical interfaces (member interfaces) have been added to the LAG (Link Aggregation Group) interfaces, or the member interfaces are not operational.

Step-by-Step Breakdown:

LAG Configuration:

A LAG interface (aggregated Ethernet interface) is a logical interface that combines multiple physical interfaces for redundancy and increased bandwidth. The LAG will only be operational if at least one member interface is active and configured correctly.

No Operational Member Interfaces:

If no member interfaces are added or if the member interfaces are down, the LAG will remain in a down state, as shown in the exhibit for ae0 and ae1.

Resolution:

Verify that physical interfaces have been added to the LAG using commands like:

LAG Interface Status: In Juniper, the link status of the LAG depends on its member interfaces, which must be operational for the LAG to function.

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asked 10/10/2024
Claudious Utete
40 questions
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