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
ntp authenticate
To disable NTP authentication, use the no ntp authentication command.
Defaults Not enabled.
Command Modes CONFIGURATION
Command History
Version 8.3.11.1 Introduced on the Z9000.
Version 8.3.7.0 Introduced on the S4810.
Version 7.6.1.0 Introduced on the S-Series.
Version 7.5.1.0 Introduced on the C-Series.
pre-Version
6.1.1.0
Introduced on the E-Series.
Usage
Information
You also must configure an authentication key for NTP traffic using the ntp
authentication-key command.
Related
Commands
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
ntp authentication-key number md5 [0 | 7] key
Parameters
number
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.
md5 Specify that the authentication key is encrypted using MD5
encryption algorithm.
0 Specify that authentication key is entered in an unencrypted format
(default).
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