•
You must manually distribute NTP authentication keys on the NTP server and Cisco NX-OS devices
across the network.
•
Use NTP broadcast or multicast associations when time accuracy and reliability requirements are modest,
your network is localized, and the network has more than 20 clients. We recommend that you use NTP
broadcast or multicast associations in networks that have limited bandwidth, system memory, or CPU
resources.
Time accuracy is marginally reduced in NTP broadcast associations because information flows only one
way.
Note
Default Settings for NTP
The following table lists the default settings for NTP parameters:
Table 31: Default NTP Parameters
DefaultParameters
EnabledNTP
DisabledNTP authentication
EnabledNTP access
DisabledNTP logging
Configuring NTP
Enabling or Disabling NTP
Before You Begin
Make sure that you are in the correct VDC. To change the VDC, use the switchto vdc command.
Procedure
PurposeCommand or Action
Enters global configuration mode.switch# configure terminal
Step 1
Enables or disables NTP in VDC. NTP is enabled by
default.
switch(config)# [no] feature ntp
Step 2
Cisco Nexus 5600 Series NX-OS System Management Configuration Guide, Release 7.x
222 OL-31641-01
Configuring NTP
Default Settings for NTP
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