display clock

Function

The display clock command displays synchronous Ethernet configurations or the attributes of a PTP clock source.

Format

display clock { config | source [ ptp ] } [ slot slot-id ]

Parameters

Parameter	Description	Value
config	Displays the current clock configurations.	-
source	Displays the attributes of all clock sources.	-
ptp	Displays the attributes of a PTP clock source.	-
slot slot-id	Displays configurations based on a slot ID.	The value range depends on the device configuration.

Views

All views

Default Level

1: Monitoring level

Usage Guidelines

After a clock source is configured, run the display clock config command to view clock configurations. During routing maintenance, run the display clock source command to view attributes of the clock source being traced or all clock sources.

Example

# Display synchronous Ethernet configurations on a switch.

<HUAWEI> display clock config

 ethernet synchronization   :enable                                             
 clock freq deviation detect:disable                                            
 clock unk map              :dnu                                                
 system pll run mode        :normal                                             
                                                                                
 switch config                                                                  
    sys pll                 :auto mode                                          
    SSM control             :on                                                 
    switch mode             :revertive                                          
    wtr                     :5min                                               
    holdoff time            :1000ms                                             
                                                                                
 source config                                                                  
 ptp                                                                            
    Sync enable                                                                 
    Pri(sys)                :1                                                  
    SSM                     :unk        
 XGigabitEthernet0/0/4                                                          
    Sync enable                                                                 
    Pri(sys)                :10                                                 
    SSM                     :sec

**Table 1** Description of the **display clock config** command output
Item	Description
ethernet synchronization	Whether synchronous Ethernet is enabled globally
clock freq deviation detect	Whether frequency offset check is enabled
clock unk map	SSM quality level mapped to the clock source with the SSM quality level of UNK
system pll run mode	PLL running mode
switch config	Switching configuration
sys pll	Clock source selection mode of the system phase-locked loop
SSM control	Whether the SSM quality level is used in clock source selection
switch mode	Switching mode
wtr	WTR time
holdoff time	Holdoff time
source config	Clock source configuration
ptp	PTP clock source
XGigabitEthernet0/0/4	Line clock source
Sync enable	Whether clock synchronization is enabled
Pri(sys)	Priority
SSM	SSM quality level