Reference Guide

Data Center Bridging (DCB) | 69
DCBX Error Messages
An error in DCBX operation is displayed using the following syslog messages:
LLDP_MULTIPLE_PEER_DETECTED: DCBX is operationally disabled after detecting more than one DCBX
peer on the port interface.
LLDP_PEER_AGE_OUT: DCBX is disabled as a result of LLDP timing out on a DCBX peer interface.
DSM_DCBX_PEER_VERSION_CONFLICT: A local port expected to receive the IEEE, CIN, or CEE version
in a DCBX TLV from a remote peer but received a different, conflicting DCBX version.
DSM_DCBX_PFC_PARAMETERS_MATCH and DSM_DCBX_PFC_PARAMETERS_MISMATCH: A local DCBX port received
a compatible (match) or incompatible (mismatch) PFC configuration from a peer.
DSM_DCBX_ETS_PARAMETERS_MATCH and DSM_DCBX_ETS_PARAMETERS_MISMATCH: A local DCBX port received
a compatible (match) or incompatible (mismatch) ETS configuration from a peer.
LLDP_UNRECOGNISED_DCBX_TLV_RECEIVED: A local DCBX port received an unrecognized DCBX TLV from
a peer.
Debugging DCBX on an Interface
To enabled DCBX debug traces for all or a specific control path, use the following command:
Task Command Command Mode
Enable DCBX debugging, where:
• all: Enables all DCBX debugging operations.
• auto-detect-timer: Enables traces for DCBX
auto-detect timers.
• config-exchng: Enables traces for DCBX
configuration exchanges.
• fail: Enables traces for DCBX failures.
• mgmt: Enables traces for DCBX management
frames.
• resource: Enables traces for DCBX system
resource frames.
• sem: Enables traces for the DCBX state
machine.
• tlv: Enables traces for DCBX TLVs.
debug dcbx {all | auto-detect-timer |
config-exchng | fail | mgmt |
resource | sem | tlv}
EXEC PRIVILEGE