Users Guide

• 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.
Verifying the DCB Configuration
To display DCB configurations, use the following show commands.
Table 19. Displaying DCB Configurations
Command Output
show dot1p-queue mapping
Displays the current 802.1p priority-queue mapping.
show dcb linecard unit-number
Displays the data center bridging status, number of
PFC-enabled ports, and number of PFC-enabled
queues. You can optionally specify the linecard. The
range for line card is from 0 to 11.
show qos dcb-map
name
Displays the DCB map configured on the switch.
show interface port-type slot/port pfc
{summary | detail}
Displays the PFC configuration applied to ingress
traffic on an interface, including priorities and link
delay.
To clear PFC TLV counters, use the clear pfc
counters interface port-type slot/port
command.
show interface
port-type slot/port pfc
statistics
Displays counters for the PFC frames received and
transmitted (by dot1p priority class) on an interface.
You can use the show interface pfc
statistics command even without enabling DCB
on the system.
show interface
port-type slot/port ets
{summary | detail}
Displays the ETS configuration applied to egress
traffic on an interface, including priority groups with
priorities and bandwidth allocation.
To clear ETS TLV counters, enter the clear ets
counters interface port-type slot/port
command.
show interface
port-type slot/port DCBx
detail
Plays the DCBx configuration on an interface.
show linecard linecard-number port-set
port—set-number backplane all pfc
details
Displays the PFC configuration applied to ingress
traffic, including priorities and link delay.
show linecard linecard-number port-set
port—set-number backplane all ets
details
Displays the ETS configuration applied to ingress
traffic on stack-links, including priorities and link
delay.
Data Center Bridging (DCB) 321