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NTP 283
Configuring NTP ID Authentication
Enable NTP authentication, set the MD5 authentication key, and specify the
reliable key. A client will synchronize itself by a server only if the server can provide
a reliable key.
Perform the following configurations in system view.
Setting the NTP Authentication Key
This configuration task sets the NTP authentication key.
Perform the following configurations in system view.
Key number number ranges from 1 to 4294967295; the key value contains 1 to
32 ASCII characters.
Setting the Specified Key to Be Reliable
This configuration task is to set the specified key as reliable.
Perform the following configurations in system view.
Key number key-number ranges from 1 to 4294967295
Designating an Interface to Transmit the NTP Message
If the local equipment is configured to transmit all NTP messages, these packets
have the same source IP address, which is taken from the IP address of the
designated interface.
Table 325 Configuring NTP Authentication
Operation Command
Enable NTP authentication ntp-service authentication enable
Disable NTP authentication undo ntp-service authentication
enable
Table 326 Configuring the NTP Authentication Key
Operation Command
Configure the NTP authentication key ntp-service authentication-keyid
number authentication-mode md5
value
Remove the NTP authentication key undo ntp-service
authentication-keyid number
Table 327 Setting the Specified Key as Reliable
Operation Command
Set the specified key as reliable ntp-service reliable
authentication-keyid key-number
Cancel the specified reliable key. undo ntp-service reliable
authentication-keyid key-number