A customer wants to reduce LSP flooding in their IS-IS network. Which parameter should you change to accomplish this task?

The correct answer is C. [edit protocols isis interface <interface-name>]. When link-state PDUs are being flooded throughout an area, each router within a mesh group receives only a single copy of a link-state PDU instead of receiving one copy from each neighbor, thus minimizing the overhead associated with the flooding of link-state PDUs.

MPLS

Question

Exhibit

Options

A[edit protocols isis interface <interface-name>]
B[edit protocols isis interface <interface-name>]
C[edit protocols isis interface <interface-name>]
D[edit protocols isis]

How the community answered

(22 responses)

A
14% (3)
B
5% (1)
C
73% (16)
D
9% (2)

Explanation

When link-state PDUs are being flooded throughout an area, each router within a mesh group receives only a single copy of a link-state PDU instead of receiving one copy from each neighbor, thus minimizing the overhead associated with the flooding of link-state PDUs.

Topics

#IS-IS LSP flooding#flood reduction#interface parameters

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