Reference Guide

Command History
This guide is platform-specific. For command information about other platforms, refer to the
relevant FTOS Command Line Reference Guide .
The following is a list of the FTOS version history for this command.
Version 9.2.(0.0) Down status messages added.
Version 8.3.19.0 Introduced on the S4820T.
Version 8.3.12.0 Introduced on the S4810.
Version 8.3.16.0 Introduced on the MXL 10/40GbE Switch IO Module.
Usage
Information
To clear the PFC TLV counters, use the clear pfc counters interface port-
type slot/port
command.
The following describes the show interface pfc summary command shown in the
following example.
Field Description
Interface Interface type with stack-unit and port number.
Admin mode is on
Admin is enabled
PFC admin mode is on or off with a list of the configured PFC
priorities. When the PFC admin mode is on, PFC advertisements are
enabled to be sent and received from peers; received PFC
configuration take effect. The admin operational status for a DCBX
exchange of PFC configuration is enabled or disabled.
Remote is enabled,
Priority list Remote
Willing Status is
enabled
Operational status (enabled or disabled) of peer device for DCBX
exchange of PFC configuration with a list of the configured PFC
priorities. Willing status of peer device for DCBX exchange (Willing
bit received in PFC TLV): enabled or disable.
Local is enabled DCBX operational status (enabled or disabled) with a list of the
configured PFC priorities.
Operational status
(local port)
Port state for current operational PFC configuration:
• Init: Local PFC configuration parameters were exchanged
with the peer.
• Recommend: Remote PFC configuration parameters were
received from the peer.
• Internally propagated: PFC configuration
parameters were received from the configuration source.
PFC DCBX Oper
status
Operational status for the exchange of the PFC configuration on the
local port: match (up) or mismatch (down).
State Machine Type Type of state machine used for DCBX exchanges of the PFC
parameters: Feature — for legacy DCBX versions; Symmetric — for
an IEEE version.
TLV Tx Status Status of the PFC TLV advertisements: enabled or disabled.
PFC Link Delay Link delay (in quanta) used to pause specified priority traffic.
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