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Cisco Bug: CSCvt24321 - Disconnected fabric node showing as unregistered node because dhcpClient MO is never cleared

Last Modified

Oct 03, 2020

Products (1)

  • Cisco Application Policy Infrastructure Controller (APIC)

Known Affected Releases

4.2(3o)

Description (partial)

Symptom:
After physically removing a node from the fabric it can still be found in the "Nodes Pending Registration" tab on the APIC.

We can also see a dhcpClient object for the respective serial number:

apic1# moquery -c dhcpClient | egrep "^dn.*FDABCDEFGHI"
dn             : client-[FDABCDEFGHI]

Conditions:
Switch has been removed from fabric. Before removal it clean reloaded while still connected to the fabric, so it could be discovered again.
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