Reference Guide

Data Center Bridging (DCB) | 311
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.
ETS is down
(show interfaces dcb output)
One of the following ETS-specific errors occurred in ETS validation:
- Unsupported PGID
- A priority group exceeds the maximum number of supported priorities.
- COSQ is mapped to more than one priority group.
- Invalid or unsupported transmission selection algorithm (TSA).
- Bandwidth is configured for an unconfigured priority group.
- Total ETS bandwidth mapped in priority groups is not equal to 100%.
- Priorities mapped to a queue use different TSAs.
- Total bandwidth assigned to priorities in one or more priority groups is not
equal to 100%.
Or one of the following ETS failure errors occurred:
- Incompatible priority group ID (PGID).
- Incompatible bandwidth (BW) allocation.
- Incompatible TSA.
- Incompatible TC BW.
- Incompatible TC TSA.
Table 15-6. Reasons why DCBx Oper Status is Down
Reason Description