Specifying Which NTP Server a C-series Controller Contacts on Startup

When you boot a C-series Controller, it issues an ntpdate request, which polls a network server to determine the local date and time. Configure a server that the system uses to determine the time when the system boots. Otherwise, NTP cannot synchronize with a time server if the server’s time is very far off the local system’s time.

To configure the NTP boot server:

1. From configuration mode, access the configuration statement that configures NTP.

   [edit]

   user@host# edit system ntp

2. Specify the address or hostname of the network NTP server.

   [edit system ntp]

   user@host# set boot-server address

   For example:

   [edit system ntp]

   user@host# set boot-server 192.0.2.20

Related Topics

• NTP Support on C-series Controllers
• Configuration Statements for NTP on C-series Controllers
• Verifying NTP Configuration on a C-series Controller

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