Users Guide

Switch Management Commands 1925
sntp authenticate
Use the sntp authenticate command in Global Configuration mode to
require server authentication for received Network Time Protocol (NTP)
traffic. To disable the feature, use the no form of this command.
Syntax
sntp authenticate
no sntp authenticate
Default Configuration
No authentication.
Command Mode
Global Configuration mode
User Guidelines
The command is relevant for both Unicast and Broadcast.
Example
The following example, after defining the authentication key for SNTP, grants
authentication.
console(config)# sntp authentication-key 8 md5 ClkKey
console(config)# sntp trusted-key 8
console(config)# sntp authenticate
sntp authentication-key
Use the sntp authentication-key command in Global Configuration mode to
define an authentication key for Simple Network Time Protocol (SNTP). To
remove the authentication key for SNTP, use the no form of this command.
Syntax
sntp authentication-key key-number md5 value
no sntp authentication-key number
• key-number—number (Range: 1–4294967295)