Services Network Time Protocol
AnywhereUSB® Plus User Guide
286
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To delete the default NTP server, time.devicecloud.com:
(config)> del service ntp server 0
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To add the NTP server to the beginning of the list, use the index value of 0 to indicate
that it should be added as the first server:
(config)> add service ntp server 0 time.server.com
(config)>
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To add the NTP server to the end of the list, use the index keyword end:
(config)> add service ntp server end time.server.com
(config)>
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To add the NTP server in another location in the list, use an index value to indicate the
appropriate position. For example:
(config)> add service ntp server 1 time.server.com
(config)>
Note This list is synchronized with the list of servers included with NTP client configuration,
and changes made to one will be reflected in the other. See Configure the system time for
more information about NTP client configuration.
5. (Optional) Configure the access control list to limit downstream access to the AnywhereUSB
Plus device's NTP service.
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To limit access to specified IPv4 addresses and networks:
(config)> add service ntp acl address end value
(config)>
Where value can be:
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A single IP address or host name.
l
A network designation in CIDR notation, for example, 192.168.1.0/24.
l
any: No limit to IPv4 addresses that can access the NTP server agent.
Repeat this step to list additional IP addresses or networks.
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To limit access to specified IPv6 addresses and networks:
(config)> add service ntp acl address6 end value
(config)>
Where value can be:
l
A single IP address or host name.
l
A network designation in CIDR notation, for example, 2001:db8::/48.
l
any: No limit to IPv6 addresses that can access the NTP server agent.
Repeat this step to list additional IP addresses or networks.
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To limit access to hosts connected through a specified interface on the AnywhereUSB
Plus device:
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