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JN0-360 · Question #354

Referring to the exhibit, R1 and R2 are unable to form an IS-IS adjacency on interface ge-0/0/1.0. The ge-0/0/1.0 interface has the appropriate address families enabled. Which two actions will…

The correct answer is B. Enable Level 2 adjacencies on R1. D. Change the R2 loopback interface address to 49.3154.2222.2222.2222.00. B: We need to enable level 2 adjacencies on R1, as an L1 adjacency is formed only with routers in the same area.An L2 adjacency is formed with routers in the same area or a different area. D: IS-IS uses ISO network addresses. Each address identifies a point of connection to the…

Troubleshooting

Question

Referring to the exhibit, R1 and R2 are unable to form an IS-IS adjacency on interface ge-0/0/1.0. The ge-0/0/1.0 interface has the appropriate address families enabled. Which two actions will resolve the problem and allow the adjacency to come up? (Choose two.)

Exhibit

JN0-360 question #354 exhibit

Options

  • AChange the R2 loopback interface address to 49.3154.1111.1111.1111.00.
  • BEnable Level 2 adjacencies on R1.
  • CEnable Level 1 adjacencies on R1.
  • DChange the R2 loopback interface address to 49.3154.2222.2222.2222.00.

How the community answered

(41 responses)
  • A
    7% (3)
  • B
    78% (32)
  • C
    15% (6)

Explanation

B: We need to enable level 2 adjacencies on R1, as an L1 adjacency is formed only with routers in the same area.An L2 adjacency is formed with routers in the same area or a different area. D: IS-IS uses ISO network addresses. Each address identifies a point of connection to the network, such as a router interface, and is called a network service access point (NSAP). For example, the NET address 49.0001.1921.6800.1001.00 consists of the following parts: 1921.6800.1001--System identifier Incorrect Answers: C: Level 1 adjacencies on R1 are already enabled.

Topics

#IS-IS#adjacency failure#NET address#area mismatch

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