An HP switch is a member of an Intelligent Resilient Framework (IRF) virtual device that has two
members. What is a proper situation for issuing the mad restore command on this switch?
A.
The IRF link has failed, and MAD has caused a new member to become master. The
administrator wants to restore the previous master’s MAC address.
B.
The IRF link has failed, and MAD placed this member in recovery mode. The administrator
wants the switch to automatically repair the failed link.
C.
The IRF link has failed, and the administrator needs to put this switch in MAD recovery mode.
D.
The IRF link has failed, and MAD placed this member in recovery mode. The active member
has gone offline.
Explanation:
http://www.manualslib.com/manual/579819/Hp-6125xlg.html?page=27Restore the
normal MAD state of the IRF fabric in Recovery state.Use mad restore to restore the normal MAD
state of the IRF fabric in Recovery state. When MAD detects that an IRF fabric has split into
multiple IRF fabrics, only the one whose master has the lowest member ID among all the masters
can still forward traffic. All the other fabrics are set in Recovery state and cannot forward traffic.
D?
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D
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d
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D?
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After placing one device in recovery mode, MAD tries to automatically repair the failed IRF links. If the repair operation fails, however, you will need to manually repair the failed links. When the link is recovered, the IRF virtual device that is in recovery state automatically reboots, and the IRF virtual devices both in active state and in recovery state automatically merge into one—just as they were before the IRF split stack occurred.
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Typically, recovery occurs automatically in this way. You would only need to implement recovery manually with the mad restore command in the rare event that MAD places one IRF device in recovery mode and the active device then fails. In that case, entering mad restore activates the IRF device shutdown by MAD recovery.
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B is the Correct Answer
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B
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