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ntp-service reliable authentication-keyid
Use ntp-service reliable authentication-keyid to specify the created authentication key as a trusted key.
Use undo ntp-service reliable authentication-keyid to remove the configuration.
Syntax
ntp-service reliable authentication-keyid keyid
undo ntp-service reliable authentication-keyid keyid
Default
No trust key is specified.
Views
System view
Predefined user roles
network-admin
Parameters
keyid: Specifies an authentication key number in the range of 1 to 4294967295.
Usage guidelines
When NTP authentication is enabled, a client can be synchronized only to a server that can provide a
trusted authentication key.
Before you use the command, make sure NTP authentication is enabled and an authentication key is
configured. The key automatically changes to untrusted after you delete the key. In this case, you do not
need to execute the undo ntp-service reliable authentication-keyid command.
You can set a maximum of 128 keys by executing the command.
Examples
# Enable NTP authentication, specify the MD5 algorithm, with the key ID of 37 and key value of
BetterKey.
<Sysname> system-view
[Sysname] ntp-service authentication enable
[Sysname] ntp-service authentication-keyid 37 authentication-mode md5 BetterKey
# Specify this key as a trusted key.
[Sysname] ntp-service reliable authentication-keyid 37
Related commands
• ntp-service authentication enable
• ntp-service authentication-keyid
ntp-service source
Use ntp-service source to specify the source interface for NTP messages.
Use undo ntp-service source to restore the default.
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