Ntp Trusted-Key - Cisco nexus 3000 series Command Reference Manual

Chapter System Management Commands
S e n d c o m m e n t s t o n e x u s 3 k - d o c f e e d b a c k @ c i s c o . c o m

ntp trusted-key

To configure one or more keys that a time source must provide in its Network Time Protocol (NTP)
packets in order for the device to synchronize to it, use the ntp trusted-key command. To remove the
NTP trusted key, use the no form of this command.
Syntax Description
number
Defaults
None
Command Modes Global configuration mode
Command History Release
6.0(2)U(2)1
Usage Guidelines This command provides protection against accidentally synchronizing the device to a time source that is
not trusted.
This command does not require a license.
Examples This example shows how to configure an NTP trusted key:
switch# configure terminal
switch(config)# ntp trusted-key 42
switch(config)#
This example shows how to remove the NTP trusted key:
switch# configure terminal
switch(config)# no ntp trusted-key 42
switch(config)#
Related Commands Command
show ntp trusted-keys Displays the status of NTP authentication.
OL-29557-04
ntp trusted-key number
no ntp trusted-key number
Trusted key number. The range is from 1 to 65535.
Modification
This command was introduced.
Description
Cisco Nexus 3000 Series NX-OS System Management Command Reference
ntp trusted-key
-SM-153