Clock
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sntp trusted-key
The sntp trusted-key Global Configuration mode command authenticates the identity of a system to which Sim-
ple Network Time Protocol (SNTP) will synchronize. To disable authentication of the identity of the system, use the
no form of this command.
Syntax
sntp trusted-key key-number
no sntp trusted-key key-number
Parameters
•
key-number — Key number of authentication key to be trusted. (Range: 1 - 4294967295)
Default Configuration
No keys are trusted.
Command Mode
Global Configuration mode
User Guidelines
The command is relevant for both received unicast and broadcast.
If there is at least 1 trusted key, then unauthenticated messages will be ignored.
Examples
The following example authenticates key 8.
Console(config)#
sntp authentication-key
8
md5
ClkKey
Console(config)#
sntp trusted-key
8
Console(config)#
sntp authenticate
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