3com S7906E Guide De Référence

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1-4 
display ntp-service trace 
Syntax 
display ntp-service trace 
View 
Any view 
Default Level 
1: Monitor level 
Parameters 
None 
Description 
Use the display ntp-service trace command view the brief information of each NTP server along the 
NTP server chain from the local device back to the primary reference source.  
The display ntp-service trace command takes effect only if routes are available between the local 
device and all the devices on the NTP server chain; otherwise, this command will fail to display all the 
NTP servers on the NTP chain due to timeout. 
Examples 
# View the brief information of each NTP server from the local device back to the primary reference 
source.  
<Sysname> display ntp-service trace 
 server 127.0.0.1,stratum 2, offset -0.013500, synch distance 0.03154 
 server 133.1.1.1,stratum 1, offset -0.506500, synch distance 0.03429 
 refid LOCL 
The information above shows an NTP server chain for the server 127.0.0.1: The server 127.0.0.1 is 
synchronized to the server 133.1.1.1, and the server 133.1.1.1 is synchronized to the local clock 
source. 
Table 1-3 display ntp-service trace command output description 
Field 
Description 
server 
IP address of the NTP server 
stratum 
The stratum level of the corresponding system clock  
offset 
The clock offset relative to the upper-level clock  
synch distance 
The synchronization distance relative to the upper-level clock, in 
seconds, and calculated from dispersion and roundtrip delay values.
refid 
Identifier of the primary reference source. When the stratum level of 
the primary reference clock is 0, it is displayed as LOCL; otherwise, 
it is displayed as the IP address of the primary reference clock.