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Verifying the DCB Configuration
To display DCB configurations, use the following show commands.
Table 11. Displaying DCB Configurations
Command Output
show dot1p-queue mapping
Displays the current 802.1p priority-queue
mapping.
show dcb [linecard {all | unit-number}]
[sfm {all | 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 or
SFM number. The range for line card is from 0 to 3
and for SFM is from 0 to 5.
show qos priority-groups
Displays the ETS priority groups configured on the
switch, including the 802.1p priority classes and ID
of each group.
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.
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 sfm unit-number backplane all pfc
buffer-threshold
Displays the SFM configuration applied to ingress
traffic on stack-links, 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, including priorities and link delay.
Examples of the show Commands
The following example shows the show dot1p-queue mapping command.
Dell(conf)# show dot1p-queue-mapping
Dot1p Priority: 0 1 2 3 4 5 6 7
Queue : 0 0 0 1 2 3 3 3
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Data Center Bridging (DCB)