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HPE7-A08 · Question #13

You are reviewing the configuration of a VSX lag and have noticed the command lacp fallback. Why might this have been configured?

The correct answer is C. To support devices that require PXE Boot. lacp fallback is used so that a port can forward traffic even before LACP negotiation completes, which is required for devices that need immediate network access during PXE boot (before their NIC brings up LACP).

Perform HPE Aruba Networking CX Switch Configurations

Question

You are reviewing the configuration of a VSX lag and have noticed the command lacp fallback. Why might this have been configured?

Options

  • AFor operation using a single partner LACP interface.
  • BFor backward compatibility with LACP v1.
  • CTo support devices that require PXE Boot.
  • DTo allow operation with active or passive LACP.

How the community answered

(30 responses)
  • A
    3% (1)
  • B
    7% (2)
  • C
    90% (27)

Explanation

lacp fallback is used so that a port can forward traffic even before LACP negotiation completes, which is required for devices that need immediate network access during PXE boot (before their NIC brings up LACP).

Topics

#LACP fallback#LAG#PXE boot#VSX

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