One of Cisco Nexus Series interfaces has become errdisabled with the error message “DCX-No ACK...

Cisco 300-615 Question Answer

One of Cisco Nexus Series interfaces has become errdisabled with the error message “DCX-No ACK in 100 PDUs”. What is the cause of this error?

The host has not responded to the Control Sub-TLV DCBX exchanges of the switch.

The acknowledgement number in the server response has not incremented for 100 exchanges.

Cisco Discovery Protocol is disabled on the switch.

LLDP is disabled on the switch.

300-615 PDF/Engine

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