HP 6125XLG R2306-HP 6125XLG Blade Switch Network Management and Monitoring Com - Page 30

undo ntp-service authentication enable Default NTP authentication is disabled. Views System view Predefined user roles network-admin Usage guidelines Enable NTP authentication in networks that require time synchronization security to make sure NTP clients are only synchronized to authenticated NTP servers. To authenticate an NTP server, set an authentication key and specify it as a trusted key. Examples # Enable NTP authentication. system-view [Sysname] ntp-service authentication enable Related commands • ntp-service authentication-keyid • ntp-service reliable authentication-keyid ntp-service authentication-keyid Use ntp-service authentication-keyid to set an NTP authentication key. Use undo ntp-service authentication-keyid to remove the NTP authentication key. Syntax ntp-service authentication-keyid keyid authentication-mode md5 { cipher | simple } value undo ntp-service authentication-keyid keyed Default No NTP authentication key is set. Views System view Predefined user roles network-admin Parameters keyid: Specifies a key ID to identify an authentication key, in the range of 1 to 4294967295. authentication-mode md5 value: Uses the MD5 algorithm for key authentication. simple: Sets a plaintext authentication key. cipher: Sets a ciphertext authentication key. 28