128 Clock
User Guidelines
• The command is relevant for both Unicast and Broadcast.
Examples
The following example defines the authentication key for SNTP and grants authentication.
sntp trusted-key
The sntp trusted-key Global Configuration mode command authenticates the identity of a system to
which Simple Network Time Protocol (SNTP) will synchronize. Use the no form of this command to
disable authentication of the identity of the system.
Syntax
•
sntp trusted-key
key-number
•
no sntp trusted-key
key-number
•
key-number —
Key number of authentication key to be trusted. (Range: 1 - 4294967295)
Default Configuration
Not 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
Console(config)# sntp authentication-key 8 md5 ClkKey
Console(config)# sntp trusted-key 8
Console(config)# sntp authenticate
5400_CLI.book Page 128 Wednesday, December 17, 2008 4:33 PM
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