Displaying And Debugging Ntp - 3Com 7700 Configuration Manual

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HAPTER YSTEM
Displaying and
Debugging NTP
ANAGEMENT
with peer, serve, serve only, and query only in an ascending order of the
limitation. The first matched authority will be given.
Perform the following configurations in system view.
Table 77 Set Authority to Access a Local Ethernet Switch
Operation
Set authority to access a local Ethernet switch ntp-service access { query |
Cancel settings of the authority to access a
local Ethernet switch
IP address ACL number is specified through the acl-number parameter and ranges
from 1 to 99. The meanings of other authority levels are as follows:
query: Allow control query for the local NTP service only.
■
synchronization: Allow request for local NTP time service only.
■
serve: Allow local NTP time service request and control query. However, the
■
local clock will not be synchronized by a remote server.
peer: Allow local NTP time service request and control query. And the local
■
clock will also be synchronized by a remote server.
Setting Maximum Local Sessions
This configuration task sets the maximum local sessions.
Perform the following configurations in system view.
Table 78 Set the Maximum Local Sessions
Operation
Set the maximum local sessions
Resume the maximum number of local sessions
number specifies the maximum number of local sessions, ranges from 0 to 100,
and defaults to 100.
After completing the previous configurations, you can use the display command
to show how NTP runs and verify the configurations according to the outputs. You
can use the debugging command, in user view, to debug NTP. SeeTable 79 for
the details of these commands.
Table 79 Display and Debug NTP
Operation
Display the status of NTP service
Display the status of sessions maintained by
NTP service
Display the brief information about every NTP
time server on the way from the local
equipment to the reference clock source.
Enable NTP debugging
Command
synchronization | serve | peer } acl-number
undo ntp-service access { query |
synchronization | serve | peer }
Command
ntp-service max-dynamic-sessions number
undo ntp-service max-dynamic-sessions
Command
display ntp-service status
display ntp-service sessions [ verbose ]
display ntp-service trace
debugging ntp-service