Services
Configure the device as an NTP server
IX20 User Guide
415
(config)> del service ntp server 0
n
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)>
n
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)>
n
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
for
more information about NTP client configuration.
5. (Optional) Configure the access control list to limit downstream access to the IX20 device's
NTP service.
n
To limit access to specified IPv4 addresses and networks:
(config)> add service ntp acl address end
value
(config)>
Where
value
can be:
l
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.
n
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.
n
To limit access to hosts connected through a specified interface on the IX20 device:
(config)> add service ntp acl interface end
value
(config)>
