LevelOne GTL-2691 - Manual (Page 812)

C HAPTER 24 | System Management Commands
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NTP Commands
ntp authenticate This command enables authentication for NTP client-server
communications. Use the no form to disable authentication.
S YNTAX
[no] ntp authenticate
D EFAULT S ETTING
Disabled
C OMMAND M ODE
Global Configuration
C OMMAND U SAGE
You can enable NTP authentication to ensure that reliable updates are
received from only authorized NTP servers. The authentication keys and
their associated key number must be centrally managed and manually
distributed to NTP servers and clients. The key numbers and key values
must match on both the server and client.
E XAMPLE
Console(config)#ntp authenticate
Console(config)#
R ELATED C OMMANDS
ntp authentication-key (812)
ntp authentication-
key
This command configures authentication keys and key numbers to use
when NTP authentication is enabled. Use the no form of the command to
clear a specific authentication key or all keys from the current list.
S YNTAX
ntp authentication-key number md5 key
no ntp authentication-key [number]
number - The NTP authentication key ID number. (Range: 1-65535)
md5 - Specifies that authentication is provided by using the
message digest algorithm 5.
key - An MD5 authentication key string. The key string can be up to
32 case-sensitive printable ASCII characters (no spaces).
D EFAULT S ETTING
None