3Com 7750 Series, Справочник по командам

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3Com Switch 7750 Series
Command Reference Guide – NTP Chapter 1 NTP Configuration Commands
1-3
Field Meaning
Nominal
frequency
Nominal frequency of the local system hardware clock
Actual frequency Actual frequency of the local system hardware clock
Clock precision Precision of the local clock
Clock offset
Time difference between Offset of the local clock to the NTP
server clock
Root delay Total delay from local device to the master reference clock
Root dispersion Dispersion of the local clock relative to the NTP server clock
Peer dispersion Dispersion of the remote NTP server
Reference time Reference timestamp
1.1.3 display ntp-service trace
Syntax
display ntp-service trace
View
Any view
Parameter
None
Description
Use the display ntp-service trace command to display the brief information about
every NTP server on the way from the local device to the reference clock source.
Example
<3Com> display ntp-service trace
server 127.0.0.1,stratum 8, offset 0.000000, synch distance 0.00000
refid 127.127.1.0
1.1.4 ntp-service access
Syntax
ntp-service access { query | synchronization | server | peer } acl-number