PFC Watch Dog

Table 1 PFCWD View

Command	Purpose
show pfcwd configuration	Display PFCWD configuration information.
show pfcwd stats	Display PFCWD statistics information.

show pfcwd configuration

[Command] show pfcwd configuration

[Purpose] Display PFCWD configuration information.

[View] Privileged User View

[Use Cases]

sonic# show pfcwd configuration
  PORT    ACTION    DETECTION TIME    RESTORATION TIME
------  --------  ----------------  ------------------

show pfcwd stats

[Command] show pfcwd configuration

[Purpose] Display PFCWD statistics information.

[View] Privileged User View

[Use Cases]

sonic# show pfcwd stats
  QUEUE    STATUS    STORM DETECTED/RESTORED    TX OK/DROP    RX OK/DROP    TX LAST OK/DROP    RX LAST OK/DROP
-------  --------  -------------------------  ------------  ------------  -----------------  -----------------

PFCWD Config

Table 2 PFCWD Config

Command	Purpose
pfcwd enable {all|interface_name} detection-time d_time [action pfcwd_action | restoration-time r_time]	Enable PFCWD.
pfcwd counter_poll	Enable PFCWD counter polling.
pfcwd interval poll_interval	Set the PFCWD polling interval.
pfcwd start_default	Start PFC WD by default configurations.

pfcwd enable {all|

[Command] pfcwd enable {all|interface_name} detection-time d_time [action pfcwd_action | restoration-time r_time]

[Purpose] Enable PFCWD.

[Parameters]

Parameter	Description
all	Applies to all interfaces
interface_name	Specify the interface, for example: 0/0
d_time	Detection time, range is [100,5000]
pfcwd_action	Action after detection of PFC pause storms, optional parameters are drop, forward, alert.
r_time	Recovery time, range is [100,60000]

[View] Global Configuration View

[Notes] Run command pfcwd disable {all|interface_name } to disable PFCWD.

[Use Cases]

sonic# configure
sonic(config)# pfcwd enable all detection-time 100 action drop restoration-time 400

pfcwd counter_poll

[Command] pfcwd counter_poll

[Purpose] Enable PFCWD counter polling.

[View] Global Configuration View

[Notes] Run command no pfcwd counter_poll to disable PFCWD counter polling.

[Use Cases]

sonic# configure
sonic(config)# pfcwd counter_poll

pfcwd interval

[Command] pfcwd interval poll_interval

[Purpose] Set the PFCWD polling interval.

[Parameters]

Parameter	Description
poll_interval	Polling interval in ms, range [100,3000]

[View] Global Configuration View

[Use Cases]

sonic# configure
sonic(config)# pfcwd interval 100

pfcwd start_default

[Command] pfcwd counter_poll

[Purpose] Start PFC WD by default configurations.

[View] Global Configuration View

[Use Cases]

sonic# configure
sonic(config)# pfcwd start_default