Ntp-Service Access - 3Com 8807 Command Reference Manual

932 C 55: NTP C C
HAPTER ONFIGURATION OMMANDS
With this command, the system synchronizes the NTP server link from the local
device along time till the reference clock source, and displays brief information
about every NTP server.
Example
# Display brief information about every NTP server on the way from the local
device to the reference clock source.
<SW8800> display ntp-service trace
server 127.0.0.1,stratum 8, offset 0.000000, synch distance 0.00000
refid 127.127.1.0

ntp-service access

Syntax
ntp-service access { query | synchronization | server | peer } acl-number
undo ntp-service access { query | synchronization | server | peer }
View
System view
Parameter
query: Allows to control query authority.
synchronization: Only allows the server to access.
server: Allows query to server and access.
peer: Full access authority.
acl-number: IP address list number.
Description
Use the ntp-service access command to set the authority to access the local
equipment.
Use the undo ntp-service access command to cancel the access authority
settings.
By default, there is no limit to the access.
Set authority to access the NTP services on a local Ethernet Switch. This is a basic
and brief security measure, compared to authentication. An access request will be
matched with peer, server, synchronization, and query in an ascending order
of the limitation. The first matched authority will be given.
Example
# Give the authority of time request, query control and synchronization with the
local equipment to the peer in ACL 2000.
<SW8800> system-view
System View: return to User View with Ctrl+Z.
[SW8800] ntp-service access peer 2000