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Question 44 - JN0-280 discussion

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Exhibit:

Referring to the exhibit, which statement is correct?

A.

The configuration will commit successfully and BGP group 1 will operate as IBGP.

Answers
A.

The configuration will commit successfully and BGP group 1 will operate as IBGP.

B.

The configuration will commit successfully and BGP group 1 will operate as EBGP.

Answers
B.

The configuration will commit successfully and BGP group 1 will operate as EBGP.

C.

BGP group 1 requires a type external parameter.

Answers
C.

BGP group 1 requires a type external parameter.

D.

BGP group 1 requires a type internal parameter.

Answers
D.

BGP group 1 requires a type internal parameter.

Suggested answer: B

Explanation:

In the exhibit, BGP is configured with local AS 65101 and a neighbor at 172.16.1.1 in peer AS 65201. This setup involves two different Autonomous Systems (AS), indicating an External BGP (EBGP) configuration.

Step-by-Step Breakdown:

EBGP vs. IBGP:

EBGP is used between routers in different ASes. In this case, the local AS is 65101 and the peer AS is 65201, meaning the BGP session is EBGP.

IBGP is used between routers within the same AS, which is not applicable here as the AS numbers are different.

BGP Group Configuration:

The configuration does not require a type external parameter because Junos OS automatically recognizes the session as EBGP when the local and peer AS numbers are different.

The BGP session will operate as EBGP, and the configuration will commit successfully.

Juniper

Reference:

BGP Configuration: In Juniper, EBGP is automatically recognized when the local and peer AS numbers differ, without needing to specify type external.

asked 10/10/2024
Mark Singer
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