Dell Force10 Z9000 FTOS Command Line Reference Guide for the Z9000 System FTOS - Page 1433
ntp authenticate, ntp authentication-key
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ntp authenticate Enable authentication of NTP traffic between the switch and the NTP time serving hosts. C-Series, E-Series, S-Series, Z-Series, S4810 Syntax Defaults Command Modes Command History ntp authenticate To disable NTP authentication, use the no ntp authentication command. Not enabled. CONFIGURATION Version 8.3.11.1 Version 8.3.7.0 Version 7.6.1.0 Version 7.5.1.0 pre-Version 6.1.1.0 Introduced on the Z9000. Introduced on the S4810. Introduced on the S-Series. Introduced on the C-Series. Introduced on the E-Series. Usage Information Related Commands You also must configure an authentication key for NTP traffic using the ntp authentication-key command. ntp authentication-key - configures the authentication key for NTP traffic. ntp trusted-key - configures a key to authenticate. ntp authentication-key Specify a key for authenticating the NTP server. C-Series, E-Series, S-Series, Z-Series Syntax Parameters ntp authentication-key number md5 [0 | 7] key number md5 0 Specify a number for the authentication key. The range is 1 to 4294967295. This number must be the same as the number parameter configured in the ntp trusted-key command. Specify that the authentication key is encrypted using MD5 encryption algorithm. Specify that authentication key is entered in an unencrypted format (default). 1433
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