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Cisco IOS in a Nutshell, 2nd Edition by James Boney

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Name

ntp update-calendar — global

Synopsis

ntp update-calendar
no ntp update-calendar

Configures

Network Time Protocol (NTP) service

Default

Disabled

Description

On high-end routers (7500, 5000, 6000, 1010, 8500, etc.), this command tells the router to update the calendar using NTP. Normally, the calendar is not updated through NTP; only the system clock is updated.

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