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Services
Configure the device as an NTP server
Required Configuration Items
Enable the NTP service.
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At least one upstream NTP server for synchronization. The default setting is the Digi NTP
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server, time.devicecloud.com.
Additional Configuration Options
Additional upstream NTP servers.
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Access control list to limit downstream access to the IX20 device's NTP service.
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The time zone setting, if the default setting of UTC is not appropriate.
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To configure the IX20 device's NTP service:
WebUI
1. Log into the IX20 WebUI as a user with full Admin access rights.
2. On the menu, click System. Under Configuration, click Device Configuration.
The Configuration window is displayed.
3. Click Services > NTP.
4. Enable the IX20 device's NTP service by clicking Enable.
5. (Optional) Configure the access control list to limit downstream access to the IX20 device's
NTP service.
To limit access to specified IPv4 addresses and networks:
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a. Click IPv4 Addresses.
b. For Add Address, click .
c. For Address, enter the IPv4 address or network that can access the device's NTP
IX20 User Guide
service. Allowed values are:
A single IP address or host name.
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A network designation in CIDR notation, for example, 192.168.1.0/24.
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any: No limit to IPv4 addresses that can access the NTP service.
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Network Time Protocol
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