Dell S4048T-ON, Configuration Manual

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•
all
: enables all DCBx debugging operations.
•
auto-detect-timer
: enables traces for DCBx auto-detect timers.
•
config-exchng
: enables traces for DCBx configuration exchanges.
•
fail
: enables traces for DCBx failures.
•
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 20. Displaying DCB Configurations
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 configured on the switch, including
the 802.1p priority classes and ID of each group.
show interface port-type 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 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 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 DCBx detail Plays the DCBx configuration on an interface.
show stack-unit { 0-11 | all} stack ports all
pfc details
Displays the PFC configuration applied to ingress traffic, including
priorities and link delay.
show stack-unit { 0-11 | all} stack ports all
ets details
Displays the ETS configuration applied to ingress traffic 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
Data Center Bridging (DCB) 279