Users Guide

Verifying the DCB Conguration
To display DCB congurations, use the following show commands.
Table 16. Displaying DCB Congurations
Command Output
show qos dot1p-queue mapping
Displays the current 802.1p priority-queue mapping.
show dcb [stack-unit unit-number]
Displays the data center bridging status, number of PFC-enabled
ports, and number of PFC-enabled queues. On the master
switch in a stack, you can specify a stack-unit number. The
range is from 0 to 5.
show qos priority-groups
Displays the ETS priority groups congured 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 conguration applied to ingress trac 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 conguration applied to egress trac 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 conguration on an interface.
show stack-unit {0-11 | all} stack ports all
pfc details
Displays the PFC conguration applied to ingress trac,
including priorities and link delay.
show stack-unit {0-11 | all} stack ports all
ets details
Displays the ETS conguration applied to ingress trac on
stack-links, including priorities and link delay.
Examples of the show Commands
The following example shows the show dot1p-queue mapping command.
Dell(conf)# show qos dot1p-queue-mapping
Dot1p Priority: 0 1 2 3 4 5 6 7
Queue : 0 0 0 1 2 3 3 3
The following example shows the show dcb command.
Dell# show dcb
stack-unit 0 port-set 0
DCB Status : Enabled
PFC Port Count : 56 (current), 56 (configured)
PFC Queue Count : 2 (current), 2 (configured)
The following example shows the show qos priority-groups command.
Dell#show qos priority-groups
priority-group ipc
priority-list 4
set-pgid 2
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Data Center Bridging (DCB)