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Juniper

JN0-360 · Question #254

R1 and R2 have a Level 1 IS-IS adjacency. R2 participates in both Level 1 and Level 2, and is receiving routes from a Level 2 neighbor. A policy on R2 has been created to leak routes to Level 1, but…

The correct answer is C. The policy must be changed to specify from level 2 and to level 1. See the full explanation below for the reasoning.

Question

R1 and R2 have a Level 1 IS-IS adjacency. R2 participates in both Level 1 and Level 2, and is receiving routes from a Level 2 neighbor. A policy on R2 has been created to leak routes to Level 1, but R1 is not receiving the routes. Referring to the exhibit, what is the solution on R2? user@R2> show protocols { isis { export leak; interface ge-1/1/0.0; interface ge-1/1/1.0 { level 1 disable; } interface lo0.0; } } policy-options { policy-statement leak { term 1 { from level 1; to level 2; then accept; } } }

Options

  • AThe policy must be applied as an export policy at the interface level.
  • BThe policy must be changed to include from protocol isis.
  • CThe policy must be changed to specify from level 2 and to level 1.
  • DThe policy must be applied as an import policy.

How the community answered

(36 responses)
  • A
    14% (5)
  • B
    6% (2)
  • C
    72% (26)
  • D
    8% (3)

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